first submission
This commit is contained in:
qiyongshuang
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|
||||
</tool>
|
||||
</toolChain>
|
||||
</folderInfo>
|
||||
<sourceEntries>
|
||||
<entry excluding="Startup|Peripheral|Ld|Debug|Core" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Debug"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
|
||||
<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D8W.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
|
||||
</cconfiguration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
<project id="999.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.275846018" name="Executable file" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
|
||||
</cproject>
|
||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>Clock_Select</name>
|
||||
<comment/>
|
||||
<projects/>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
|
||||
<triggers>clean,full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
||||
</natures>
|
||||
<filteredResources>
|
||||
<filter>
|
||||
<id>1595986042669</id>
|
||||
<name/>
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
<id>org.eclipse.ui.ide.multiFilter</id>
|
||||
<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
|
||||
</matcher>
|
||||
</filter>
|
||||
</filteredResources>
|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="780769540803999752" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/Clock_Select.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,103 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Clock source selection routine:
|
||||
This example demonstrates two external clock source modes of TIM1.
|
||||
External clock source mode 1: PA8 is used as clock input pin,
|
||||
External clock source mode 2: PA12 is used as clock input pin.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/* External Clock Mode Definition */
|
||||
#define ETR_CLK_MODE1 0
|
||||
#define ETR_CLK_MODE2 1
|
||||
|
||||
/* External Clock Mode Selection */
|
||||
#define ETR_CLK ETR_CLK_MODE1
|
||||
//#define ETR_CLK ETR_CLK_MODE2
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_ETRClockMode1_Init
|
||||
*
|
||||
* @brief Configures the External clock Mode1.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_ETRClockMode1_Init(void)
|
||||
{
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0x3EB);
|
||||
TIM_ETRClockMode1Config(TIM1, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_Inverted, 0x0);
|
||||
/* GPIOA8 Input as TIM Clock Source */
|
||||
TIM_TIxExternalClockConfig(TIM1, TIM_TIxExternalCLK1Source_TI1, TIM_ICPolarity_Rising, 0x00);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_ETRClockMode2_Init
|
||||
*
|
||||
* @brief Configures the External clock Mode2.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_ETRClockMode2_Init(void)
|
||||
{
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0x3EB);
|
||||
/* GPIOA12 Input as TIM Clock Source */
|
||||
TIM_ETRClockMode2Config(TIM1, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_Inverted, 0x0);
|
||||
TIM_SelectInputTrigger(TIM1, TIM_TS_ETRF);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n", SystemCoreClock);
|
||||
|
||||
#if(ETR_CLK == ETR_CLK_MODE1)
|
||||
TIM1_ETRClockMode1_Init();
|
||||
|
||||
#elif(ETR_CLK == ETR_CLK_MODE2)
|
||||
TIM1_ETRClockMode2_Init();
|
||||
|
||||
#endif
|
||||
|
||||
while(1)
|
||||
{
|
||||
if(TIM_GetFlagStatus(TIM1, TIM_FLAG_CC1) != RESET)
|
||||
{
|
||||
TIM_ClearFlag(TIM1, TIM_FLAG_CC1);
|
||||
}
|
||||
|
||||
if(TIM_GetFlagStatus(TIM1, TIM_FLAG_Update) != RESET)
|
||||
{
|
||||
printf("Count Update\r\n");
|
||||
|
||||
TIM_ClearFlag(TIM1, TIM_FLAG_Update);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
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@@ -0,0 +1,143 @@
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source.2052761852" name="Display source (--source|-S)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source" useByScannerDiscovery="false" value="false" valueType="boolean"/>
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||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders.439659821" name="Display all headers (--all-headers|-x)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders" useByScannerDiscovery="false" value="true" valueType="boolean"/>
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<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.disassemble.1859590835" name="Disassemble (--disassemble|-d)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.disassemble" useByScannerDiscovery="false" value="true" valueType="boolean"/>
|
||||
</tool>
|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.712424314" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
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||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1404031980" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format" useByScannerDiscovery="false"/>
|
||||
</tool>
|
||||
</toolChain>
|
||||
</folderInfo>
|
||||
<sourceEntries>
|
||||
<entry excluding="Startup|Peripheral|Ld|Debug|Core" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Debug"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
|
||||
<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D8W.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
|
||||
</cconfiguration>
|
||||
</storageModule>
|
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|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
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||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
|
||||
</cproject>
|
||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>ComplementaryOutput_DeadTime</name>
|
||||
<comment/>
|
||||
<projects/>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
|
||||
<triggers>clean,full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
||||
</natures>
|
||||
<filteredResources>
|
||||
<filter>
|
||||
<id>1595986042669</id>
|
||||
<name/>
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
<id>org.eclipse.ui.ide.multiFilter</id>
|
||||
<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
|
||||
</matcher>
|
||||
</filter>
|
||||
</filteredResources>
|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="819861277792048744" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/ComplementaryOutput_DeadTime.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,108 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Complementary output and deadband insertion mode routines:
|
||||
TIM1_CH1(PA8),TIM1_CH1N(PB13)
|
||||
This example demonstrates three complementary output modes with dead zone of TIM1: complementary
|
||||
output with dead zone insertion, dead zone waveform delay Greater than the negative pulse, the dead
|
||||
zone waveform delay is greater than the positive pulse.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_Dead_Time_Init
|
||||
*
|
||||
* @brief Initializes TIM1 complementary output and dead time.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
* ccp - the pulse value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_Dead_Time_Init(u16 arr, u16 psc, u16 ccp)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
||||
TIM_OCInitTypeDef TIM_OCInitStructure = {0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
|
||||
TIM_BDTRInitTypeDef TIM_BDTRInitStructure = {0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_TIM1, ENABLE);
|
||||
|
||||
/* TIM1_CH1 */
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
|
||||
/* TIM1_CH1N */
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
|
||||
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
||||
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
|
||||
TIM_OCInitStructure.TIM_Pulse = ccp;
|
||||
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
|
||||
TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;
|
||||
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
|
||||
TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;
|
||||
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
|
||||
|
||||
TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Disable;
|
||||
TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Disable;
|
||||
TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_OFF;
|
||||
TIM_BDTRInitStructure.TIM_DeadTime = 0xFF;
|
||||
TIM_BDTRInitStructure.TIM_Break = TIM_Break_Disable;
|
||||
TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;
|
||||
TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;
|
||||
TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure);
|
||||
|
||||
TIM_CtrlPWMOutputs(TIM1, ENABLE);
|
||||
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Disable);
|
||||
TIM_ARRPreloadConfig(TIM1, ENABLE);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n", SystemCoreClock);
|
||||
|
||||
/* Complementary output with dead-time insertion */
|
||||
TIM1_Dead_Time_Init(100, 48 - 1, 50);
|
||||
/* Dead-time waveforms with delay greater than the negative pulse */
|
||||
// TIM1_Dead_Time_Init( 100, 48-1, 10 );
|
||||
/* Dead-time waveforms with delay greater than the positive pulse. */
|
||||
// TIM1_Dead_Time_Init( 100, 48-1, 90 );
|
||||
|
||||
while(1);
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
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<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.flags.1125808200" name="Linker flags (-Xlinker [option])" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.flags" useByScannerDiscovery="false" valueType="stringList"/>
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||||
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|
||||
<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
|
||||
<additionalInput kind="additionalinput" paths="$(LIBS)"/>
|
||||
</inputType>
|
||||
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||||
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||||
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||||
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||||
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||||
<listOptionValue builtIn="false" value="Link.ld"/>
|
||||
</option>
|
||||
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||||
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||||
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|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver.1292785366" name="GNU RISC-V Cross Archiver" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver"/>
|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
</toolChain>
|
||||
</folderInfo>
|
||||
<sourceEntries>
|
||||
<entry excluding="Startup|Peripheral|Ld|Debug|Core" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Debug"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
|
||||
<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D8W.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
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|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
|
||||
</cconfiguration>
|
||||
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|
||||
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||||
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|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
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|
||||
|
||||
</cproject>
|
||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>ExtTrigger_Start_Two_Timer</name>
|
||||
<comment/>
|
||||
<projects/>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
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||||
<triggers>clean,full,incremental,</triggers>
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<arguments/>
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||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
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<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
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</natures>
|
||||
<filteredResources>
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<filter>
|
||||
<id>1595986042669</id>
|
||||
<name/>
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
<id>org.eclipse.ui.ide.multiFilter</id>
|
||||
<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
|
||||
</matcher>
|
||||
</filter>
|
||||
</filteredResources>
|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
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||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
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||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="787364977113993800" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
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|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/ExtTrigger_Start_Two_Timer.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,92 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
external trigger routines to start two timers synchronously:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates the TIM_CH1(PA8) pin pull-up input, the pin detects a
|
||||
rising edge, then starts TIM1 and TIM2.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/*********************************************************************
|
||||
* @fn ExtTrigger_Start_Two_TIM
|
||||
*
|
||||
* @brief Starting 2 timers synchronously in response to an external trigger.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void ExtTrigger_Start_Two_TIM(u16 arr, u16 psc)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure={0};
|
||||
TIM_ICInitTypeDef TIM_ICInitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE );
|
||||
RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM2, ENABLE );
|
||||
|
||||
TIM_CounterModeConfig( TIM2, TIM_CounterMode_Up );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure);
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0x00;
|
||||
TIM_TimeBaseInit( TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
|
||||
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
|
||||
TIM_ICInitStructure.TIM_ICFilter = 0x00;
|
||||
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Falling;
|
||||
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
|
||||
TIM_ICInit( TIM1, &TIM_ICInitStructure );
|
||||
|
||||
TIM_SelectInputTrigger( TIM1, TIM_TS_TI1FP1 );
|
||||
TIM_SelectSlaveMode( TIM1, TIM_SlaveMode_Trigger );
|
||||
TIM_SelectMasterSlaveMode( TIM1, TIM_MasterSlaveMode_Enable );
|
||||
TIM_SelectOutputTrigger( TIM1, TIM_TRGOSource_Enable );
|
||||
TIM_SelectInputTrigger( TIM2, TIM_TS_ITR0 );
|
||||
TIM_SelectSlaveMode( TIM2, TIM_SlaveMode_Trigger );
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
Delay_Init();
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
|
||||
ExtTrigger_Start_Two_TIM( 0xFFFF, 48000-1);
|
||||
|
||||
while(1)
|
||||
{
|
||||
printf("TIM1 cnt:%d\r\n", TIM1->CNT);
|
||||
printf("TIM2 cnt:%d\r\n", TIM2->CNT);
|
||||
Delay_Ms(100);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
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||||
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||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
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<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D8W.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
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</cproject>
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||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>Input_Capture</name>
|
||||
<comment/>
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||||
<projects/>
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||||
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<id>1595986042669</id>
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||||
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|
||||
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|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
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@@ -0,0 +1,14 @@
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||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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||||
<project>
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||||
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<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
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<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
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||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="830610262477639080" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
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||||
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|
||||
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|
||||
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|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/Input_Capture.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,66 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void TIM1_CC_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_CC_IRQHandler
|
||||
*
|
||||
* @brief This function handles TIM1 Capture Compare Interrupt exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_CC_IRQHandler(void)
|
||||
{
|
||||
if( TIM_GetITStatus( TIM1, TIM_IT_CC1 ) != RESET )
|
||||
{
|
||||
printf( "CH1_Val:%d\r\n", TIM_GetCapture1( TIM1 ) );
|
||||
TIM_SetCounter( TIM1, 0 );
|
||||
}
|
||||
|
||||
if( TIM_GetITStatus( TIM1, TIM_IT_CC2 ) != RESET )
|
||||
{
|
||||
printf( "CH2_Val:%d\r\n", TIM_GetCapture2( TIM1 ) );
|
||||
}
|
||||
|
||||
TIM_ClearITPendingBit( TIM1, TIM_IT_CC1 | TIM_IT_CC2 );
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,94 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Input capture routine:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates the TIM_CH1(PA8) pin floating input, which detects an
|
||||
edge transition to trigger a TIM1 capture interrupt,The rising edge triggers the
|
||||
TIM_IT_CC1 interrupt, and the falling edge triggers the TIM_IT_CC2 interrupt.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/*********************************************************************
|
||||
* @fn Input_Capture_Init
|
||||
*
|
||||
* @brief Initializes TIM1 input capture.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
* ccp - the pulse value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void Input_Capture_Init(u16 arr, u16 psc)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
||||
TIM_ICInitTypeDef TIM_ICInitStructure = {0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
|
||||
NVIC_InitTypeDef NVIC_InitStructure = {0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE);
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
GPIO_ResetBits(GPIOA, GPIO_Pin_8);
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0x00;
|
||||
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
|
||||
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
|
||||
TIM_ICInitStructure.TIM_ICFilter = 0x00;
|
||||
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
|
||||
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
|
||||
|
||||
TIM_PWMIConfig(TIM1, &TIM_ICInitStructure);
|
||||
|
||||
NVIC_InitStructure.NVIC_IRQChannel = TIM1_CC_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
|
||||
TIM_ITConfig(TIM1, TIM_IT_CC1 | TIM_IT_CC2, ENABLE);
|
||||
|
||||
TIM_SelectInputTrigger(TIM1, TIM_TS_TI1FP1);
|
||||
TIM_SelectSlaveMode(TIM1, TIM_SlaveMode_Reset);
|
||||
TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n", SystemCoreClock);
|
||||
|
||||
Input_Capture_Init(0xFFFF, 48000 - 1);
|
||||
|
||||
while(1);
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
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||||
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|
||||
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||||
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|
||||
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
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||||
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|
||||
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|
||||
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|
||||
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|
||||
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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||||
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|
||||
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|
||||
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||||
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|
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</cproject>
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||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>One_Pulse</name>
|
||||
<comment/>
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||||
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||||
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||||
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||||
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||||
<id>1595986042669</id>
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
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|
||||
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|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
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<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="823119439593062937" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
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||||
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|
||||
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|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/One_Pulse.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,94 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Single pulse output routine:
|
||||
TIM2_CH1(PA0),TIM2_CH2(PA1)
|
||||
This routine demonstrates that in single-pulse mode, when a rising edge is detected
|
||||
on the TIM2_CH2(PA1) pin, the TIM2_CH1(PA0) outputs positive pulse.
|
||||
|
||||
*/
|
||||
#include "debug.h"
|
||||
|
||||
/*********************************************************************
|
||||
* @fn One_Pulse_Init
|
||||
*
|
||||
* @brief Initializes TIM1 one pulse.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
* ccp - the pulse value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void One_Pulse_Init(u16 arr, u16 psc, u16 ccp)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure={0};
|
||||
TIM_OCInitTypeDef TIM_OCInitStructure={0};
|
||||
TIM_ICInitTypeDef TIM_ICInitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA, ENABLE );
|
||||
RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM2, ENABLE );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure);
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit( TIM2, &TIM_TimeBaseInitStructure);
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
|
||||
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
||||
TIM_OCInitStructure.TIM_Pulse = ccp;
|
||||
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
|
||||
TIM_OC1Init( TIM2, &TIM_OCInitStructure );
|
||||
|
||||
TIM_ICStructInit( &TIM_ICInitStructure );
|
||||
TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
|
||||
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
|
||||
TIM_ICInitStructure.TIM_ICFilter = 0x00;
|
||||
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
|
||||
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
|
||||
|
||||
TIM_ICInit( TIM2, &TIM_ICInitStructure );
|
||||
TIM_SelectOnePulseMode( TIM2,TIM_OPMode_Single );
|
||||
TIM_SelectInputTrigger( TIM2, TIM_TS_TI2FP2 );
|
||||
TIM_SelectSlaveMode( TIM2, TIM_SlaveMode_Trigger );
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
|
||||
One_Pulse_Init( 200, 48000-1, 100 );
|
||||
|
||||
while(1);
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
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|
||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/Output_Compare_Mode.hex
|
||||
Erase All=true
|
||||
Program=true
|
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Verify=true
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Reset=true
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|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
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Toolchain=RISC-V
|
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Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
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|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
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+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
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||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,107 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Output comparison mode routine:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates the output waveform of the TIM_CH1(PA8) pin
|
||||
in 4 output comparison modes.Output compare modes include OutCompare_Timing\
|
||||
OutCompare_Active\OutCompare_Inactive\OutCompare_Toggle.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/* Output Compare Mode Definition */
|
||||
#define OutCompare_Timing 0
|
||||
#define OutCompare_Active 1
|
||||
#define OutCompare_Inactive 2
|
||||
#define OutCompare_Toggle 3
|
||||
|
||||
/* Output Compare Mode Selection */
|
||||
//#define OutCompare_MODE OutCompare_Timing
|
||||
//#define OutCompare_MODE OutCompare_Active
|
||||
//#define OutCompare_MODE OutCompare_Inactive
|
||||
#define OutCompare_MODE OutCompare_Toggle
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_OutCompare_Init
|
||||
*
|
||||
* @brief Initializes TIM1 output compare.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
* ccp - the pulse value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_OutCompare_Init(u16 arr, u16 psc, u16 ccp)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure={0};
|
||||
TIM_OCInitTypeDef TIM_OCInitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure );
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit( TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
#if (OutCompare_MODE == OutCompare_Timing)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;
|
||||
|
||||
#elif (OutCompare_MODE == OutCompare_Active)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Active;
|
||||
|
||||
#elif (OutCompare_MODE == OutCompare_Inactive)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Inactive;
|
||||
|
||||
#elif (OutCompare_MODE == OutCompare_Toggle)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle;
|
||||
|
||||
#endif
|
||||
|
||||
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
||||
TIM_OCInitStructure.TIM_Pulse = ccp;
|
||||
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
|
||||
TIM_OC1Init( TIM1, &TIM_OCInitStructure );
|
||||
|
||||
TIM_CtrlPWMOutputs(TIM1, ENABLE );
|
||||
TIM_OC1PreloadConfig( TIM1, TIM_OCPreload_Disable );
|
||||
TIM_ARRPreloadConfig( TIM1, ENABLE );
|
||||
TIM_Cmd( TIM1, ENABLE );
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
|
||||
TIM1_OutCompare_Init( 100, 48000-1, 50 );
|
||||
|
||||
while(1);
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="788671839138755099" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/PWM_Output.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,95 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
PWM output routine:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates that the TIM_CH1(PA8) pin outputs PWM in PWM
|
||||
mode 1 and PWM mode 2.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/* PWM Output Mode Definition */
|
||||
#define PWM_MODE1 0
|
||||
#define PWM_MODE2 1
|
||||
|
||||
/* PWM Output Mode Selection */
|
||||
//#define PWM_MODE PWM_MODE1
|
||||
#define PWM_MODE PWM_MODE2
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_OutCompare_Init
|
||||
*
|
||||
* @brief Initializes TIM1 output compare.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
* ccp - the pulse value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_PWMOut_Init(u16 arr, u16 psc, u16 ccp)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure={0};
|
||||
TIM_OCInitTypeDef TIM_OCInitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure );
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInit( TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
#if (PWM_MODE == PWM_MODE1)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
|
||||
|
||||
#elif (PWM_MODE == PWM_MODE2)
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
|
||||
|
||||
#endif
|
||||
|
||||
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
||||
TIM_OCInitStructure.TIM_Pulse = ccp;
|
||||
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
|
||||
TIM_OC1Init( TIM1, &TIM_OCInitStructure );
|
||||
|
||||
TIM_CtrlPWMOutputs(TIM1, ENABLE );
|
||||
TIM_OC1PreloadConfig( TIM1, TIM_OCPreload_Disable );
|
||||
TIM_ARRPreloadConfig( TIM1, ENABLE );
|
||||
TIM_Cmd( TIM1, ENABLE );
|
||||
}
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
|
||||
TIM1_PWMOut_Init( 100, 48000-1, 50 );
|
||||
|
||||
while(1);
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
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||||
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|
||||
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||||
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|
||||
<externalSettings/>
|
||||
<extensions>
|
||||
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="773479739908018793" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/Synchro_ExtTrigger.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,113 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
slave mode routine:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates that when the TIM_CH1(PA8) pin detects a rising edge, TIM1 works
|
||||
differently in different slave modes.
|
||||
RESET_MODE: TIM1->CNT reset and recount
|
||||
GATED_MODE: PA8 pin input low level, TIM1->CNT counts normally, otherwise stop counting.
|
||||
TRIGGER__MODE: TIM1->CNT continues counting.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/* Slave Mode Definition */
|
||||
#define RESET_MODE 0
|
||||
#define GATED_MODE 1
|
||||
#define TRIGGER__MODE 2
|
||||
|
||||
/* Slave Mode Selection */
|
||||
//#define SLAVE_MODE RESET_MODE
|
||||
//#define SLAVE_MODE GATED_MODE
|
||||
#define SLAVE_MODE TRIGGER__MODE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_Synchro_ExtTrigger_Init
|
||||
*
|
||||
* @brief Initializes TIM1 external trigger synchronization.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_Synchro_ExtTrigger_Init(u16 arr, u16 psc)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure={0};
|
||||
TIM_ICInitTypeDef TIM_ICInitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE );
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
|
||||
GPIO_Init( GPIOA, &GPIO_InitStructure);
|
||||
GPIO_ResetBits( GPIOA, GPIO_Pin_8 );
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0x00;
|
||||
TIM_TimeBaseInit( TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
|
||||
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
|
||||
TIM_ICInitStructure.TIM_ICFilter = 0x00;
|
||||
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
|
||||
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
|
||||
TIM_ICInit( TIM1, &TIM_ICInitStructure );
|
||||
|
||||
TIM_SelectInputTrigger( TIM1, TIM_TS_TI1FP1 );
|
||||
|
||||
#if (SLAVE_MODE == RESET_MODE)
|
||||
TIM_SelectSlaveMode( TIM1, TIM_SlaveMode_Reset );
|
||||
|
||||
#elif (SLAVE_MODE == GATED_MODE)
|
||||
TIM_SelectSlaveMode( TIM1, TIM_SlaveMode_Gated );
|
||||
|
||||
#elif (SLAVE_MODE == TRIGGER__MODE)
|
||||
TIM_SelectMasterSlaveMode( TIM1, TIM_SlaveMode_Trigger );
|
||||
|
||||
#endif
|
||||
|
||||
TIM_SelectMasterSlaveMode( TIM1, TIM_MasterSlaveMode_Enable );
|
||||
|
||||
#if (SLAVE_MODE != TRIGGER__MODE)
|
||||
TIM_Cmd( TIM1, ENABLE );
|
||||
|
||||
#endif
|
||||
}
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
|
||||
TIM1_Synchro_ExtTrigger_Init( 0xFFFF, 48000-1);
|
||||
|
||||
while(1)
|
||||
{
|
||||
printf("cnt:%d\r\n", TIM1->CNT);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
|
||||
<storageModule moduleId="org.eclipse.cdt.core.settings">
|
||||
<cconfiguration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074">
|
||||
<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" moduleId="org.eclipse.cdt.core.settings" name="obj">
|
||||
<externalSettings/>
|
||||
<extensions>
|
||||
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
</extensions>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
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|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
|
||||
</cproject>
|
||||
@@ -0,0 +1,61 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<projectDescription>
|
||||
<name>Synchro_Timer</name>
|
||||
<comment/>
|
||||
<projects/>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
|
||||
<triggers>clean,full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments/>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
||||
</natures>
|
||||
<filteredResources>
|
||||
<filter>
|
||||
<id>1595986042669</id>
|
||||
<name/>
|
||||
<type>22</type>
|
||||
<matcher>
|
||||
<id>org.eclipse.ui.ide.multiFilter</id>
|
||||
<arguments>1.0-name-matches-false-false-*.wvproj</arguments>
|
||||
</matcher>
|
||||
</filter>
|
||||
</filteredResources>
|
||||
<linkedResources>
|
||||
<link>
|
||||
<name>Core</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Core</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Debug</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Debug</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Ld</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Ld</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Peripheral</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Peripheral</location>
|
||||
</link>
|
||||
<link>
|
||||
<name>Startup</name>
|
||||
<type>2</type>
|
||||
<location>PARENT-2-PROJECT_LOC/SRC/Startup</location>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
||||
@@ -0,0 +1,14 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074" name="obj">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="804546007622627497" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
@@ -0,0 +1,16 @@
|
||||
Mcu Type=CH32V20x
|
||||
Address=0x08000000
|
||||
Target Path=obj/Synchro_Timer.hex
|
||||
Erase All=true
|
||||
Program=true
|
||||
Verify=true
|
||||
Reset=true
|
||||
|
||||
Vendor=WCH
|
||||
Link=WCH-Link
|
||||
Toolchain=RISC-V
|
||||
Series=CH32V203
|
||||
Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
|
||||
|
||||
PeripheralVersion=1.0
|
||||
MCU=CH32V203RBT6
|
||||
@@ -0,0 +1,2 @@
|
||||
�i“CZ ?"Ç�¸rŸ�F<Fy8E9Y‡½„%P a³D¶La† %Ã'y€¡]Ç;’¶ ŸS)1†1+R4><‚.„ÇÅ¿º° ?/£XO©Ä¿ChQN$*¢”»EÅBk‹!2tŒ+buh†nUb]xl‹l|
|
||||
+"Ÿ<“¯AH42}z8p;m€u 1Ž-¦eh»Od¼Âwµª7x{5�CqEx©=;¦¢e¢º»2£Š ‚«* BP Mš"
|
||||
@@ -0,0 +1,42 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_conf.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Library configuration file.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_CONF_H
|
||||
#define __CH32V20x_CONF_H
|
||||
|
||||
#include "ch32v20x_adc.h"
|
||||
#include "ch32v20x_bkp.h"
|
||||
#include "ch32v20x_can.h"
|
||||
#include "ch32v20x_crc.h"
|
||||
#include "ch32v20x_dbgmcu.h"
|
||||
#include "ch32v20x_dma.h"
|
||||
#include "ch32v20x_exti.h"
|
||||
#include "ch32v20x_flash.h"
|
||||
#include "ch32v20x_gpio.h"
|
||||
#include "ch32v20x_i2c.h"
|
||||
#include "ch32v20x_iwdg.h"
|
||||
#include "ch32v20x_pwr.h"
|
||||
#include "ch32v20x_rcc.h"
|
||||
#include "ch32v20x_rtc.h"
|
||||
#include "ch32v20x_spi.h"
|
||||
#include "ch32v20x_tim.h"
|
||||
#include "ch32v20x_usart.h"
|
||||
#include "ch32v20x_wwdg.h"
|
||||
#include "ch32v20x_it.h"
|
||||
#include "ch32v20x_misc.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_CONF_H */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main Interrupt Service Routines.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x_it.h"
|
||||
|
||||
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
|
||||
/*********************************************************************
|
||||
* @fn NMI_Handler
|
||||
*
|
||||
* @brief This function handles NMI exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn HardFault_Handler
|
||||
*
|
||||
* @brief This function handles Hard Fault exception.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : ch32v20x_it.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : This file contains the headers of the interrupt handlers.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __CH32V20x_IT_H
|
||||
#define __CH32V20x_IT_H
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
#endif /* __CH32V20x_IT_H */
|
||||
|
||||
|
||||
@@ -0,0 +1,165 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
Timer synchronization mode:
|
||||
TIM1_CH1(PA8)
|
||||
This example demonstrates 4 timer synchronization modes.
|
||||
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM_TimSynchroMode1_Init
|
||||
*
|
||||
* @brief Using TIM2 as prescaler for TIM1.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM_TimSynchroMode1_Init(void)
|
||||
{
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0x3E8);
|
||||
TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
|
||||
TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Update);
|
||||
TIM_ITRxExternalClockConfig(TIM2, TIM_TS_ITR0);
|
||||
TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_External1);
|
||||
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM_TimSynchroMode2_Init
|
||||
*
|
||||
* @brief Using TIM2 to use TIM1.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM_TimSynchroMode2_Init(void)
|
||||
{
|
||||
TIM_OCInitTypeDef TIM_OCInitStructure = {0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0x3E8);
|
||||
TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
|
||||
|
||||
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
|
||||
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
||||
TIM_OCInitStructure.TIM_Pulse = 0x64;
|
||||
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
|
||||
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
|
||||
|
||||
TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_OC1Ref);
|
||||
TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
|
||||
TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_Gated);
|
||||
|
||||
TIM_Cmd(TIM2, ENABLE);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM_TimSynchroMode3_Init
|
||||
*
|
||||
* @brief Using TIM2 to start TIM1.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM_TimSynchroMode3_Init(void)
|
||||
{
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0xFFFF);
|
||||
TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
|
||||
TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Update);
|
||||
TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
|
||||
TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_Trigger);
|
||||
TIM_Cmd(TIM1, ENABLE);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM_TimSynchroMode4_Init
|
||||
*
|
||||
* @brief Starting TIM1 and TIM2 synchronously in response to an external trigger.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM_TimSynchroMode4_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
||||
TIM_ICInitTypeDef TIM_ICInitStructure = {0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE);
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
||||
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
|
||||
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
GPIO_ResetBits(GPIOA, GPIO_Pin_8);
|
||||
|
||||
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
|
||||
TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
|
||||
TIM_SetAutoreload(TIM1, 0xFFFF);
|
||||
TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
|
||||
|
||||
TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
|
||||
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
|
||||
TIM_ICInitStructure.TIM_ICFilter = 0x00;
|
||||
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Falling;
|
||||
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
|
||||
TIM_ICInit(TIM1, &TIM_ICInitStructure);
|
||||
|
||||
TIM_SelectInputTrigger(TIM1, TIM_TS_TI1FP1);
|
||||
TIM_SelectSlaveMode(TIM1, TIM_SlaveMode_Trigger);
|
||||
TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable);
|
||||
TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Enable);
|
||||
TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
|
||||
TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_Trigger);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
USART_Printf_Init(115200);
|
||||
printf("SystemClk:%d\r\n", SystemCoreClock);
|
||||
|
||||
/* Timer synchronization Mode Selection */
|
||||
TIM_TimSynchroMode1_Init();
|
||||
// TIM_TimSynchroMode2_Init();
|
||||
// TIM_TimSynchroMode3_Init();
|
||||
// TIM_TimSynchroMode4_Init();
|
||||
|
||||
while(1)
|
||||
{
|
||||
printf("TIM1 cnt:%d\r\n", TIM1->CNT);
|
||||
printf("TIM2 cnt:%d\r\n", TIM2->CNT);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,986 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Source File.
|
||||
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
|
||||
* For HSE = 8Mhz (other CH32V203x)
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#include "ch32v20x.h"
|
||||
|
||||
/*
|
||||
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
|
||||
* reset the HSI is used as SYSCLK source).
|
||||
* If none of the define below is enabled, the HSI is used as System clock source.
|
||||
*/
|
||||
//#define SYSCLK_FREQ_HSE HSE_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSE 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSE 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSE 72000000
|
||||
#define SYSCLK_FREQ_96MHz_HSE 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSE 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSE 144000000
|
||||
//#define SYSCLK_FREQ_HSI HSI_VALUE
|
||||
//#define SYSCLK_FREQ_48MHz_HSI 48000000
|
||||
//#define SYSCLK_FREQ_56MHz_HSI 56000000
|
||||
//#define SYSCLK_FREQ_72MHz_HSI 72000000
|
||||
//#define SYSCLK_FREQ_96MHz_HSI 96000000
|
||||
//#define SYSCLK_FREQ_120MHz_HSI 120000000
|
||||
//#define SYSCLK_FREQ_144MHz_HSI 144000000
|
||||
|
||||
/* Clock Definitions */
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
|
||||
#else
|
||||
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
#endif
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
||||
/* system_private_function_proto_types */
|
||||
static void SetSysClock(void);
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
static void SetSysClockToHSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
static void SetSysClockTo48_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
static void SetSysClockTo56_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
static void SetSysClockTo72_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
static void SetSysClockTo96_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
static void SetSysClockTo120_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
static void SetSysClockTo144_HSE( void );
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
static void SetSysClockTo48_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
static void SetSysClockTo56_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
static void SetSysClockTo72_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
static void SetSysClockTo96_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
static void SetSysClockTo120_HSI( void );
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
static void SetSysClockTo144_HSI( void );
|
||||
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemInit
|
||||
*
|
||||
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
|
||||
* the PLL and update the SystemCoreClock variable.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemInit (void)
|
||||
{
|
||||
RCC->CTLR |= (uint32_t)0x00000001;
|
||||
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
|
||||
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
|
||||
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
|
||||
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
|
||||
RCC->INTR = 0x009F0000;
|
||||
SetSysClock();
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SystemCoreClockUpdate
|
||||
*
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void SystemCoreClockUpdate (void)
|
||||
{
|
||||
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
|
||||
|
||||
tmp = RCC->CFGR0 & RCC_SWS;
|
||||
|
||||
switch (tmp)
|
||||
{
|
||||
case 0x00:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
case 0x04:
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
case 0x08:
|
||||
pllmull = RCC->CFGR0 & RCC_PLLMULL;
|
||||
pllsource = RCC->CFGR0 & RCC_PLLSRC;
|
||||
pllmull = ( pllmull >> 18) + 2;
|
||||
|
||||
if(pllmull == 17) pllmull = 18;
|
||||
|
||||
if (pllsource == 0x00)
|
||||
{
|
||||
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
|
||||
SystemCoreClock = HSI_VALUE * pllmull;
|
||||
}
|
||||
else{
|
||||
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
if((RCC->CFGR0 & (3<<22)) == (3<<22))
|
||||
{
|
||||
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
|
||||
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
|
||||
#else
|
||||
SystemCoreClock = HSE_VALUE * pllmull;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
|
||||
|
||||
break;
|
||||
default:
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClock
|
||||
*
|
||||
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClock(void)
|
||||
{
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
SetSysClockToHSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
SetSysClockTo48_HSE();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
SetSysClockTo56_HSE();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
SetSysClockTo72_HSE();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
SetSysClockTo96_HSE();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
SetSysClockTo120_HSE();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
SetSysClockTo144_HSE();
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
SetSysClockTo48_HSI();
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
SetSysClockTo56_HSI();
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
SetSysClockTo72_HSI();
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
SetSysClockTo96_HSI();
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
SetSysClockTo120_HSI();
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
SetSysClockTo144_HSI();
|
||||
|
||||
#endif
|
||||
|
||||
/* If none of the define above is enabled, the HSI is used as System clock
|
||||
* source (default after reset)
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
#ifdef SYSCLK_FREQ_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockToHSE
|
||||
*
|
||||
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockToHSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
|
||||
|
||||
/* Select HSE as system clock source
|
||||
* CH32V20x_D6 (HSE=8MHZ)
|
||||
* CH32V20x_D8 (HSE=32MHZ)
|
||||
* CH32V20x_D8W (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
|
||||
|
||||
/* Wait till HSE is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if(HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
#if defined (CH32V20x_D8W)
|
||||
RCC->CFGR0 |= (uint32_t)(3<<22);
|
||||
/* HCLK = SYSCLK/2 */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
|
||||
#else
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
#endif
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSE
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSE
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSE(void)
|
||||
{
|
||||
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
|
||||
|
||||
RCC->CTLR |= ((uint32_t)RCC_HSEON);
|
||||
|
||||
/* Wait till HSE is ready and if Time out is reached exit */
|
||||
do
|
||||
{
|
||||
HSEStatus = RCC->CTLR & RCC_HSERDY;
|
||||
StartUpCounter++;
|
||||
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
|
||||
|
||||
if ((RCC->CTLR & RCC_HSERDY) != RESET)
|
||||
{
|
||||
HSEStatus = (uint32_t)0x01;
|
||||
}
|
||||
else
|
||||
{
|
||||
HSEStatus = (uint32_t)0x00;
|
||||
}
|
||||
|
||||
if (HSEStatus == (uint32_t)0x01)
|
||||
{
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
|
||||
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
|
||||
*/
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* If HSE fails to start-up, the application will have wrong clock
|
||||
* configuration. User can add here some code to deal with this error
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_48MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo48_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo48_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_56MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo56_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo56_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
#elif defined SYSCLK_FREQ_72MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo72_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo72_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_96MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo96_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo96_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#elif defined SYSCLK_FREQ_120MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo120_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo120_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
|
||||
RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
#elif defined SYSCLK_FREQ_144MHz_HSI
|
||||
|
||||
/*********************************************************************
|
||||
* @fn SetSysClockTo144_HSI
|
||||
*
|
||||
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
static void SetSysClockTo144_HSI(void)
|
||||
{
|
||||
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
|
||||
|
||||
/* HCLK = SYSCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
|
||||
/* PCLK2 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
|
||||
/* PCLK1 = HCLK */
|
||||
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
|
||||
|
||||
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
|
||||
|
||||
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
|
||||
|
||||
/* Enable PLL */
|
||||
RCC->CTLR |= RCC_PLLON;
|
||||
/* Wait till PLL is ready */
|
||||
while((RCC->CTLR & RCC_PLLRDY) == 0)
|
||||
{
|
||||
}
|
||||
/* Select PLL as system clock source */
|
||||
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
|
||||
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
|
||||
/* Wait till PLL is used as system clock source */
|
||||
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,32 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : system_ch32v20x.h
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2021/06/06
|
||||
* Description : CH32V20x Device Peripheral Access Layer System Header File.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
#ifndef __SYSTEM_ch32v20x_H
|
||||
#define __SYSTEM_ch32v20x_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
|
||||
|
||||
/* System_Exported_Functions */
|
||||
extern void SystemInit(void);
|
||||
extern void SystemCoreClockUpdate(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__CH32V20x_SYSTEM_H */
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
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|
||||
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|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections.1689063433" name="Remove unused sections (-Xlinker --gc-sections)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections" value="true" valueType="boolean"/>
|
||||
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.paths.1029177148" name="Library search path (-L)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.paths" valueType="libPaths">
|
||||
<listOptionValue builtIn="false" value=""../LD""/>
|
||||
</option>
|
||||
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.scriptfile.1751226764" name="Script files (-T)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.scriptfile" valueType="stringList">
|
||||
<listOptionValue builtIn="false" value="Link.ld"/>
|
||||
</option>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.nostart.642896175" name="Do not use standard start files (-nostartfiles)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.nostart" value="true" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.usenewlibnano.1540675679" name="Use newlib-nano (--specs=nano.specs)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.usenewlibnano" value="true" valueType="boolean"/>
|
||||
</tool>
|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver.1292785366" name="GNU RISC-V Cross Archiver" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver"/>
|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash.1801165667" name="GNU RISC-V Cross Create Flash Image" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash"/>
|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting.1356766765" name="GNU RISC-V Cross Create Listing" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting">
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source.2052761852" name="Display source (--source|-S)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source" useByScannerDiscovery="false" value="false" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders.439659821" name="Display all headers (--all-headers|-x)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders" useByScannerDiscovery="false" value="true" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.demangle.67111865" name="Demangle names (--demangle|-C)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.demangle" useByScannerDiscovery="false" value="true" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.linenumbers.1549373929" name="Display line numbers (--line-numbers|-l)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.linenumbers" useByScannerDiscovery="false" value="false" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide.1298918921" name="Wide lines (--wide|-w)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide" useByScannerDiscovery="false" value="false" valueType="boolean"/>
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.disassemble.1859590835" name="Disassemble (--disassemble|-d)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.disassemble" useByScannerDiscovery="false" value="true" valueType="boolean"/>
|
||||
</tool>
|
||||
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.712424314" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
|
||||
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1404031980" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format" useByScannerDiscovery="false"/>
|
||||
</tool>
|
||||
</toolChain>
|
||||
</folderInfo>
|
||||
<sourceEntries>
|
||||
<entry excluding="Startup|Peripheral|Ld|Debug|Core" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Core"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Debug"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Ld"/>
|
||||
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Peripheral"/>
|
||||
<entry excluding="startup_ch32v20x_D8.S|startup_ch32v20x_D8W.S" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Startup"/>
|
||||
</sourceEntries>
|
||||
</configuration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
<storageModule moduleId="ilg.gnumcueclipse.managedbuild.packs"/>
|
||||
</cconfiguration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
<project id="999.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.275846018" name="Executable file" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.767917625.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1375371130;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1473381709">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1008047074.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1731377187;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2036806839">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
|
||||
</cproject>
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user