first submission
This commit is contained in:
qiyongshuang
@@ -0,0 +1,41 @@
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_conf.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : Library configuration file.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH32V20x_CONF_H
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#define __CH32V20x_CONF_H
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#include "ch32v20x_adc.h"
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#include "ch32v20x_bkp.h"
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#include "ch32v20x_can.h"
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#include "ch32v20x_crc.h"
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#include "ch32v20x_dbgmcu.h"
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#include "ch32v20x_dma.h"
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#include "ch32v20x_exti.h"
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#include "ch32v20x_flash.h"
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#include "ch32v20x_gpio.h"
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#include "ch32v20x_i2c.h"
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#include "ch32v20x_iwdg.h"
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#include "ch32v20x_pwr.h"
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#include "ch32v20x_rcc.h"
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#include "ch32v20x_rtc.h"
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#include "ch32v20x_spi.h"
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#include "ch32v20x_tim.h"
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#include "ch32v20x_usart.h"
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#include "ch32v20x_wwdg.h"
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#include "ch32v20x_it.h"
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#include "ch32v20x_misc.h"
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#endif /* __CH32V20x_CONF_H */
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@@ -0,0 +1,73 @@
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_it.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : Main Interrupt Service Routines.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "ch32v20x_it.h"
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#include <wchnet.h>
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#include "eth_driver.h"
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void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void ETH_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void TIM2_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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/*********************************************************************
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* @fn NMI_Handler
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*
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* @brief This function handles NMI exception.
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*
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* @return none
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*/
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void NMI_Handler(void)
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{
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/**/
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}
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/*********************************************************************
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* @fn HardFault_Handler
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*
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* @brief This function handles Hard Fault exception.
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*
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* @return none
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*/
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void HardFault_Handler(void)
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{
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printf("HardFault_Handler\r\n");
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printf("mcause:%08x\r\n",__get_MCAUSE());
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printf("mtval:%08x\r\n",__get_MTVAL());
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printf("mepc:%08x\r\n",__get_MEPC());
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while (1);
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}
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/*********************************************************************
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* @fn ETH_IRQHandler
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*
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* @brief This function handles ETH exception.
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*
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* @return none
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*/
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void ETH_IRQHandler(void)
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{
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WCHNET_ETHIsr();
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}
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/*********************************************************************
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* @fn TIM2_IRQHandler
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*
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* @brief This function handles TIM2 exception.
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*
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* @return none
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*/
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void TIM2_IRQHandler(void)
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{
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WCHNET_TimeIsr(WCHNETTIMERPERIOD);
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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}
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@@ -0,0 +1,19 @@
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_it.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains the headers of the interrupt handlers.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH32V20x_IT_H
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#define __CH32V20x_IT_H
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#include "debug.h"
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#endif /* __CH32V20x_IT_H */
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@@ -0,0 +1,436 @@
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/********************************** (C) COPYRIGHT *******************************
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* File Name : main.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2022/01/18
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* Description : Main program body.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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/*
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*@Note
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ETH_CFG example, create a UDP Server to communicate with the host computer, configure WCHNET features,
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including parameters, and create a new communication.
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This example uses the software for the 1_Tool_Doc folder under "WCH NET Network Parameter Configuration Tool".
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For details on the selection of engineering chips,
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please refer to the "CH32V20x Evaluation Board Manual" under the CH32V20xEVT\EVT\PUB folder.
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*/
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#include "string.h"
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#include "debug.h"
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#include "eth_driver.h"
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#include "ModuleConfig.h"
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__attribute__((aligned(4))) u8 Default_cfg[MODULE_CFG_LEN]= { //Module default configuration
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'W','C','H','N','E','T','M','O','D','U','L','E',0,0,0,0,0,0,0,0,0, //module name
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NET_MODULE_TYPE_NONE, //The module is in default mode (no mode is enabled by default)
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192,168,1,10, //The IP address of the module
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255,255,255,0, //The subnet mask of the module
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192,168,1,1, //The gateway address of the module
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1000%256,1000/256, //Module source port
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192,168,1,100, //destination IP address
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1000%256,1000/256 , //destination port
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checkcode1,checkcode2 //Verification code, used to verify configuration information
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};
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u8 sockFlag;
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u8 Configbuf[MODULE_CFG_LEN];
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pmodule_cfg CFG = (pmodule_cfg)Configbuf;
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u8 MACAddr[6]; //MAC address
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u8 IPAddr[4]; //IP address
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u8 GWIPAddr[4]; //Gateway IP address
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u8 IPMask[4]; //subnet mask
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u8 DESIP[4]; //destination IP address
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u8 SocketId; //socket id
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u8 SocketRecvBuf[WCHNET_MAX_SOCKET_NUM][RECE_BUF_LEN]; //socket data buff
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/*Host computer communication parameters*/
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u8 brocastIp[4] = {255,255,255,255}; //Broadcast IP address, cannot be changed
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u16 brocastPort = 60000; //Host computer communication port
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u16 localPort = 50000; //local communication port
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u8 MyBuf[RECE_BUF_LEN];
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/*********************************************************************
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* @fn mStopIfError
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*
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* @brief check if error.
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*
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* @param iError - error constants.
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*
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* @return none
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*/
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void mStopIfError(u8 iError)
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{
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if (iError == WCHNET_ERR_SUCCESS)
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return;
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printf("Error: %02X\r\n", (u16) iError);
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}
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/*********************************************************************
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* @fn TIM2_Init
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*
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* @brief Initializes TIM2.
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*
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* @return none
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*/
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void TIM2_Init( void )
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure={0};
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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TIM_TimeBaseStructure.TIM_Period = SystemCoreClock / 1000000 - 1;
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TIM_TimeBaseStructure.TIM_Prescaler = WCHNETTIMERPERIOD * 1000 - 1;
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TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
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TIM_ITConfig(TIM2, TIM_IT_Update ,ENABLE);
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TIM_Cmd(TIM2, ENABLE);
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update );
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NVIC_EnableIRQ(TIM2_IRQn);
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}
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/*********************************************************************
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* @fn WCHNET_UdpServerRecv
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*
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* @brief UDP Receive data function.
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*
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* @param socinf - socket information.
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* ipaddr - IP address
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* port - port
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* buf - data buff
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* len - data length
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*
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* @return none
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*/
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void WCHNET_UdpServerRecv(struct _SCOK_INF *socinf,u32 ipaddr,u16 port,u8 *buf,u32 len)
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{
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u8 i;
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i = ParseConfigbuf(buf) ; //Analytical data
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if(i){
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NVIC_SystemReset();
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}
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}
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/*********************************************************************
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* @fn WCHNET_UdpSRecv
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*
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* @brief UDP data callback.
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*
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* @param socinf - socket information.
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* ipaddr - IP address
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* port - port
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* buf - data buff
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* len - data length
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*
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* @return none
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*/
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void WCHNET_UdpSRecv(struct _SCOK_INF *socinf,u32 ipaddr,u16 port,u8 *buf,u32 len)
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{
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u8 ip_addr[4],i;
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printf("ip:");
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for(i=0;i<4;i++){
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ip_addr[i] = ipaddr&0xff;
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printf("%-4d",ip_addr[i]);
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ipaddr = ipaddr>>8;
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}
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printf("port=%-8d len=%-8d sockeid=%-4d\n",port,len,socinf->SockIndex);
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WCHNET_SocketUdpSendTo(socinf->SockIndex,buf,&len,ip_addr,port);
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}
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/*********************************************************************
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* @fn WCHNET_Create_Communication_Socket
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*
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* @brief create socket.
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*
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* @return none
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*/
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void WCHNET_Create_Communication_Socket(void)
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{
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u8 i;
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u8 *desip = CFG->dest_ip;
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SOCK_INF TmpSocketInf;
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memset((void *)&TmpSocketInf,0,sizeof(SOCK_INF));
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memcpy((void *)TmpSocketInf.IPAddr,desip,4);
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TmpSocketInf.DesPort = ((u16)CFG->dest_port[0]+(u16)CFG->dest_port[1]*256);
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TmpSocketInf.SourPort = ((u16)CFG->src_port[0]+(u16)CFG->src_port[1]*256);
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switch(CFG->type){
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case NET_MODULE_TYPE_TCP_S:
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TmpSocketInf.ProtoType = PROTO_TYPE_TCP;
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sockFlag= NET_MODULE_TYPE_TCP_S;
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break;
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case NET_MODULE_TYPE_TCP_C:
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TmpSocketInf.ProtoType = PROTO_TYPE_TCP;
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sockFlag= NET_MODULE_TYPE_TCP_C;
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break;
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case NET_MODULE_TYPE_UDP_S:
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TmpSocketInf.ProtoType = PROTO_TYPE_UDP;
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TmpSocketInf.AppCallBack = WCHNET_UdpSRecv;
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sockFlag= NET_MODULE_TYPE_UDP_S;
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break;
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case NET_MODULE_TYPE_UDP_C:
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TmpSocketInf.ProtoType = PROTO_TYPE_UDP;
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sockFlag= NET_MODULE_TYPE_UDP_C;
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break;
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default:
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break;
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}
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TmpSocketInf.RecvStartPoint = (u32)SocketRecvBuf[1];
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TmpSocketInf.RecvBufLen = RECE_BUF_LEN ;
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i = WCHNET_SocketCreat(&SocketId,&TmpSocketInf);
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mStopIfError(i);
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switch(CFG->type){
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case NET_MODULE_TYPE_TCP_S:
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WCHNET_SocketListen(SocketId);
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printf("listening\n");
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break;
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case NET_MODULE_TYPE_TCP_C:
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WCHNET_SocketConnect(SocketId);
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printf("connecting\n");
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break;
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default:
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break;
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}
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}
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/*********************************************************************
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* @fn WCHNET_CreateUdpSocket
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*
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* @brief Create UDP Socket
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*
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* @return none
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*/
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void WCHNET_CreateUdpSocket(void)
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{
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u8 i;
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SOCK_INF TmpSocketInf;
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memset((void *)&TmpSocketInf,0,sizeof(SOCK_INF));
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TmpSocketInf.SourPort = localPort;
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TmpSocketInf.ProtoType = PROTO_TYPE_UDP;
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TmpSocketInf.RecvStartPoint = (u32)SocketRecvBuf[0];
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TmpSocketInf.RecvBufLen = RECE_BUF_LEN ;
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TmpSocketInf.AppCallBack = WCHNET_UdpServerRecv;
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i = WCHNET_SocketCreat(&SocketId,&TmpSocketInf);
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printf("WCHNET_SocketCreat %d\r\n",SocketId);
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mStopIfError(i);
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}
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/*********************************************************************
|
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* @fn WCHNET_DataLoopback
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*
|
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* @brief Data loopback function.
|
||||
*
|
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* @param id - socket id.
|
||||
*
|
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* @return none
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||||
*/
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void WCHNET_DataLoopback(u8 id)
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{
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#if 1
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u8 i;
|
||||
u32 len;
|
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u32 endAddr = SocketInf[id].RecvStartPoint + SocketInf[id].RecvBufLen; //Receive buffer end address
|
||||
|
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if ((SocketInf[id].RecvReadPoint + SocketInf[id].RecvRemLen) > endAddr) { //Calculate the length of the received data
|
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len = endAddr - SocketInf[id].RecvReadPoint;
|
||||
}
|
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else {
|
||||
len = SocketInf[id].RecvRemLen;
|
||||
}
|
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i = WCHNET_SocketSend(id, (u8 *) SocketInf[id].RecvReadPoint, &len); //send data
|
||||
if (i == WCHNET_ERR_SUCCESS) {
|
||||
WCHNET_SocketRecv(id, NULL, &len); //Clear sent data
|
||||
}
|
||||
#else
|
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u32 len, totallen;
|
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u8 *p = MyBuf;
|
||||
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||||
len = WCHNET_SocketRecvLen(id, NULL); //query length
|
||||
printf("Receive Len = %02x\n", len);
|
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WCHNET_SocketRecv(id, MyBuf, &len); //Read the data of the receive buffer into MyBuf
|
||||
totallen = len;
|
||||
while(1){
|
||||
len = totallen;
|
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WCHNET_SocketSend(id, p, &len); //Send the data
|
||||
totallen -= len; //Subtract the sent length from the total length
|
||||
p += len; //offset buffer pointer
|
||||
if(totallen)continue; //If the data is not sent, continue to send
|
||||
break; //After sending, exit
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn WCHNET_HandleSockInt
|
||||
*
|
||||
* @brief Socket Interrupt Handle
|
||||
*
|
||||
* @param socketid - socket id.
|
||||
* intstat - interrupt status
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void WCHNET_HandleSockInt(u8 socketid,u8 initstat)
|
||||
{
|
||||
if(initstat & SINT_STAT_RECV) //receive data
|
||||
{
|
||||
WCHNET_DataLoopback(socketid); //Data loopback
|
||||
}
|
||||
if(initstat & SINT_STAT_CONNECT) //connect successfully
|
||||
{
|
||||
if(sockFlag == NET_MODULE_TYPE_TCP_S){
|
||||
WCHNET_ModifyRecvBuf(socketid,(u32)SocketRecvBuf[socketid],RECE_BUF_LEN);
|
||||
}
|
||||
printf("TCP Connect Success\r\n");
|
||||
}
|
||||
if(initstat & SINT_STAT_DISCONNECT) //disconnect
|
||||
{
|
||||
printf("TCP Disconnect\r\n");
|
||||
WCHNET_Create_Communication_Socket();
|
||||
}
|
||||
if(initstat & SINT_STAT_TIM_OUT) //timeout disconnect
|
||||
{
|
||||
printf("TCP Timeout\r\n");
|
||||
WCHNET_Create_Communication_Socket();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************
|
||||
* @fn WCHNET_HandleGlobalInt
|
||||
*
|
||||
* @brief Global Interrupt Handle
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void WCHNET_HandleGlobalInt(void)
|
||||
{
|
||||
u8 intstat;
|
||||
u8 socketint;
|
||||
u16 i;
|
||||
|
||||
intstat = WCHNET_GetGlobalInt(); //get global interrupt flag
|
||||
if(intstat & GINT_STAT_UNREACH) //Unreachable interrupt
|
||||
{
|
||||
printf("GINT_STAT_UNREACH\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_IP_CONFLI) //IP conflict
|
||||
{
|
||||
printf("GINT_STAT_IP_CONFLI\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_PHY_CHANGE) //PHY status change
|
||||
{
|
||||
i = WCHNET_GetPHYStatus(); //socket related interrupt
|
||||
if(i&PHY_Linked_Status)
|
||||
printf("PHY Link Success\r\n");
|
||||
}
|
||||
if(intstat & GINT_STAT_SOCKET)
|
||||
{
|
||||
for(i = 0; i < WCHNET_MAX_SOCKET_NUM; i ++)
|
||||
{
|
||||
socketint = WCHNET_GetSocketInt(i);
|
||||
if(socketint)WCHNET_HandleSockInt(i,socketint);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn GPIOInit
|
||||
*
|
||||
* @brief GPIO initialize
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void GPIOInit(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
|
||||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
u8 i;
|
||||
|
||||
Delay_Init();
|
||||
USART_Printf_Init(115200); //USART initialize
|
||||
GPIOInit();
|
||||
printf("ETH_CFG\r\n");
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
printf("net version:%x\n",WCHNET_GetVer());
|
||||
if( WCHNET_LIB_VER != WCHNET_GetVer() ){
|
||||
printf("version error.\n");
|
||||
}
|
||||
/*After the button(PB6) is pressed, initialize WCHNET
|
||||
* and execute the default configuration*/
|
||||
if(GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_6) == 0) {
|
||||
Delay_Ms(100);
|
||||
if(GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_6) == 0){
|
||||
while(GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_6) == 0);
|
||||
CFG_ERASE(PAGE_WRITE_START_ADDR,FLASH_PAGE_SIZE);
|
||||
CFG_WRITE( PAGE_WRITE_START_ADDR,Default_cfg,MODULE_CFG_LEN );
|
||||
NVIC_SystemReset();
|
||||
}
|
||||
}
|
||||
|
||||
CFG_READ( PAGE_WRITE_START_ADDR,Configbuf,MODULE_CFG_LEN ); //Read the configuration information saved in the EEPROM
|
||||
/*If the information stored in the EEPROM is invalid,
|
||||
* or the WCHNET has not been configured by the host
|
||||
* computer, then initialize the WCHNET according to
|
||||
* the default configuration*/
|
||||
if((CFG->cfg_flag[0]!=checkcode1)||(CFG->cfg_flag[1]!=checkcode2)){ //Check whether the information in the EEPROM is valid
|
||||
CFG_ERASE(PAGE_WRITE_START_ADDR,FLASH_PAGE_SIZE);
|
||||
CFG_WRITE(PAGE_WRITE_START_ADDR,Default_cfg,MODULE_CFG_LEN );
|
||||
NVIC_SystemReset();
|
||||
}
|
||||
|
||||
WCHNET_GetMacAddr(MACAddr); //get the chip MAC address
|
||||
printf("mac addr:");
|
||||
for(i = 0; i < 6; i++)
|
||||
printf("%x ",MACAddr[i]);
|
||||
printf("\n");
|
||||
TIM2_Init();
|
||||
memcpy(IPAddr,CFG->src_ip,sizeof(CFG->src_ip));
|
||||
memcpy(GWIPAddr,CFG->getway,sizeof(CFG->getway));
|
||||
memcpy(IPMask,CFG->mask,sizeof(CFG->mask));
|
||||
i = ETH_LibInit(IPAddr,GWIPAddr,IPMask,MACAddr); //Ethernet library initialize
|
||||
mStopIfError(i);
|
||||
if(i == WCHNET_ERR_SUCCESS) printf("WCHNET_LibInit Success\r\n");
|
||||
WCHNET_CreateUdpSocket(); //Create UDP Socket
|
||||
if(CFG->type != NET_MODULE_TYPE_NONE){ //No mode is enabled by default
|
||||
WCHNET_Create_Communication_Socket(); //Create a socket configured by the host computer
|
||||
}
|
||||
|
||||
while(1)
|
||||
{
|
||||
/*Ethernet library main task function,
|
||||
* which needs to be called cyclically*/
|
||||
WCHNET_MainTask();
|
||||
/*Query the Ethernet global interrupt,
|
||||
* if there is an interrupt, call the global interrupt handler*/
|
||||
if(WCHNET_QueryGlobalInt())
|
||||
{
|
||||
WCHNET_HandleGlobalInt();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,144 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : net_config.h
|
||||
* Author : WCH
|
||||
* Version : V1.30
|
||||
* Date : 2022/06/02
|
||||
* Description : This file contains the configurations of
|
||||
* Ethernet protocol stack library
|
||||
*********************************************************************************
|
||||
* 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 __NET_CONFIG_H__
|
||||
#define __NET_CONFIG_H__
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* socket configuration, IPRAW + UDP + TCP + TCP_LISTEN = number of sockets
|
||||
*/
|
||||
#define WCHNET_NUM_IPRAW 0 /* Number of IPRAW connections */
|
||||
|
||||
#define WCHNET_NUM_UDP 2 /* The number of UDP connections */
|
||||
|
||||
#define WCHNET_NUM_TCP 2 /* Number of TCP connections */
|
||||
|
||||
#define WCHNET_NUM_TCP_LISTEN 1 /* Number of TCP listening */
|
||||
|
||||
/* The number of sockets, the maximum is 31 */
|
||||
#define WCHNET_MAX_SOCKET_NUM (WCHNET_NUM_IPRAW+WCHNET_NUM_UDP+WCHNET_NUM_TCP+WCHNET_NUM_TCP_LISTEN)
|
||||
|
||||
#define WCHNET_TCP_MSS 1460 /* Size of TCP MSS*/
|
||||
|
||||
/*********************************************************************
|
||||
* MAC queue configuration
|
||||
*/
|
||||
#define ETH_TXBUFNB 1 /* The number of descriptors sent by the MAC */
|
||||
|
||||
#define ETH_RXBUFNB 4 /* Number of MAC received descriptors */
|
||||
|
||||
#ifndef ETH_MAX_PACKET_SIZE
|
||||
#define ETH_RX_BUF_SZE 1520 /* MAC receive buffer length, an integer multiple of 4 */
|
||||
#define ETH_TX_BUF_SZE 1520 /* MAC send buffer length, an integer multiple of 4 */
|
||||
#else
|
||||
#define ETH_RX_BUF_SZE ETH_MAX_PACKET_SIZE
|
||||
#define ETH_TX_BUF_SZE ETH_MAX_PACKET_SIZE
|
||||
#endif
|
||||
|
||||
/*********************************************************************
|
||||
* Functional configuration
|
||||
*/
|
||||
#define WCHNET_PING_ENABLE 1 /* PING is enabled, PING is enabled by default */
|
||||
|
||||
#define TCP_RETRY_COUNT 20 /* The number of TCP retransmissions, the default value is 20 */
|
||||
|
||||
#define TCP_RETRY_PERIOD 10 /* TCP retransmission period, the default value is 10, the unit is 50ms */
|
||||
|
||||
#define SOCKET_SEND_RETRY 1 /* Send failed retry configuration, 1: enable, 0: disable */
|
||||
|
||||
#define CFG0_TCP_SEND_COPY 1 /* TCP send buffer copy, 1: copy, 0: not copy */
|
||||
|
||||
#define CFG0_TCP_RECV_COPY 1 /* TCP receive replication optimization, internal debugging use */
|
||||
|
||||
#define CFG0_TCP_OLD_DELETE 0 /* Delete oldest TCP connection, 1: enable, 0: disable */
|
||||
|
||||
/*********************************************************************
|
||||
* Memory related configuration
|
||||
*/
|
||||
/*If a single socket cannot reach full speed,
|
||||
* try to increase RECE_BUF_LEN to (WCHNET_TCP_MSS*4)
|
||||
* and increase WCHNET_NUM_TCP_SEG to (WCHNET_NUM_TCP*4)*/
|
||||
#define RECE_BUF_LEN (WCHNET_TCP_MSS*2) /* socket receive buffer size */
|
||||
|
||||
#define WCHNET_NUM_PBUF (WCHNET_MAX_SOCKET_NUM+WCHNET_NUM_TCP) /* Number of PBUF structures */
|
||||
|
||||
#define WCHNET_NUM_TCP_SEG (WCHNET_NUM_TCP*2) /* The number of TCP segments used to send */
|
||||
|
||||
#define WCHNET_MEM_HEAP_SIZE (((WCHNET_TCP_MSS+0x10+54)*WCHNET_NUM_TCP_SEG)+ETH_TX_BUF_SZE+64) /* memory heap size */
|
||||
|
||||
#define WCHNET_NUM_ARP_TABLE 50 /* Number of ARP lists */
|
||||
|
||||
#define WCHNET_NUM_IP_REASSDATA 4 /* Number of IP segments */
|
||||
|
||||
#define CFG0_IP_REASS_PBUFS 4 /* Number of reassembled IP PBUFs */
|
||||
|
||||
#define WCHNET_MEM_ALIGNMENT 4 /* 4 byte alignment */
|
||||
|
||||
#define WCHNET_NUM_POOL_BUF (WCHNET_NUM_TCP*2+2) /* The number of POOL BUFs, the number of receive queues */
|
||||
|
||||
/* Check the configuration of the SOCKET quantity */
|
||||
#if( WCHNET_NUM_TCP_LISTEN && !WCHNET_NUM_TCP )
|
||||
#error "WCHNET_NUM_TCP Error)"
|
||||
#endif
|
||||
/* Check byte alignment must be a multiple of 4 */
|
||||
#if((WCHNET_MEM_ALIGNMENT % 4) || (WCHNET_MEM_ALIGNMENT == 0))
|
||||
#error "WCHNET_MEM_ALIGNMENT Error,Please Config WCHNET_MEM_ALIGNMENT = 4 * N, N >=1"
|
||||
#endif
|
||||
/* TCP maximum segment length */
|
||||
#if((WCHNET_TCP_MSS > 1460) || (WCHNET_TCP_MSS < 60))
|
||||
#error "WCHNET_TCP_MSS Error,Please Config WCHNET_TCP_MSS >= 60 && WCHNET_TCP_MSS <= 1460"
|
||||
#endif
|
||||
/* Number of ARP cache tables */
|
||||
#if((WCHNET_NUM_ARP_TABLE > 0X7F) || (WCHNET_NUM_ARP_TABLE < 1))
|
||||
#error "WCHNET_NUM_ARP_TABLE Error,Please Config WCHNET_NUM_ARP_TABLE >= 1 && WCHNET_NUM_ARP_TABLE <= 0X7F"
|
||||
#endif
|
||||
/* Check POOL BUF configuration */
|
||||
#if(WCHNET_NUM_POOL_BUF < 1)
|
||||
#error "WCHNET_NUM_POOL_BUF Error,Please Config WCHNET_NUM_POOL_BUF >= 1"
|
||||
#endif
|
||||
/* Check PBUF structure configuration */
|
||||
#if(WCHNET_NUM_PBUF < 1)
|
||||
#error "WCHNET_NUM_PBUF Error,Please Config WCHNET_NUM_PBUF >= 1"
|
||||
#endif
|
||||
/* Check IP Assignment Configuration */
|
||||
#if((WCHNET_NUM_IP_REASSDATA > 10) || (WCHNET_NUM_IP_REASSDATA < 1))
|
||||
#error "WCHNET_NUM_IP_REASSDATA Error,Please Config WCHNET_NUM_IP_REASSDATA < 10 && WCHNET_NUM_IP_REASSDATA >= 1 "
|
||||
#endif
|
||||
/* Check the number of reassembled IP PBUFs */
|
||||
#if(WCHNET_IP_REASS_PBUFS > WCHNET_NUM_POOL_BUF)
|
||||
#error "WCHNET_IP_REASS_PBUFS Error,Please Config WCHNET_IP_REASS_PBUFS < WCHNET_NUM_POOL_BUF"
|
||||
#endif
|
||||
|
||||
#if(WCHNETTIMERPERIOD > 50)
|
||||
#error "WCHNETTIMERPERIOD Error,Please Config WCHNETTIMERPERIOD < 50"
|
||||
#endif
|
||||
|
||||
/* Configuration value 0 */
|
||||
#define WCHNET_MISC_CONFIG0 (((CFG0_TCP_SEND_COPY) << 0) |\
|
||||
((CFG0_TCP_RECV_COPY) << 1) |\
|
||||
((CFG0_TCP_OLD_DELETE) << 2) |\
|
||||
((CFG0_IP_REASS_PBUFS) << 3) )
|
||||
/* Configuration value 1 */
|
||||
#define WCHNET_MISC_CONFIG1 (((WCHNET_MAX_SOCKET_NUM)<<0)|\
|
||||
((WCHNET_PING_ENABLE) << 13) |\
|
||||
((TCP_RETRY_COUNT) << 14) |\
|
||||
((TCP_RETRY_PERIOD) << 19) |\
|
||||
((SOCKET_SEND_RETRY) << 25) )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
@@ -0,0 +1,990 @@
|
||||
/********************************** (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 */
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user