bstanwell/ch32v20x-examples
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update 1.8

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This commit is contained in:
qiyongshuang
2023-09-06 10:08:11 +08:00
parent b79c6ac80d
commit 64be955461
760 changed files with 42517 additions and 30957 deletions
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EVT/EXAM/RCC/Get_CLK/User/main.c
+15 -14
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@@ -4,23 +4,23 @@
* 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.
*******************************************************************************/
*********************************************************************************
* 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
Get system-HCLK-AHB1-AHB2 clock routine:
MCO(PA8)
This example demonstrates MCO(PA8) pin output system clock and get clock;
-RCC_GetClocksFreq() function to get systemclk-HCLK-AHB1-AHB2 clock
-SystemCoreClockUpdate() function to get HCLK clock
-Configure the HSE two-way frequency division as the PLL source in
the system_ch32v20x.c file (applicable only to CH32V20x_D8W)
*/
*Get system-HCLK-AHB1-AHB2 clock routine:
*MCO(PA8)
*This example demonstrates MCO(PA8) pin output system clock and get clock;
* -RCC_GetClocksFreq() function to get systemclk-HCLK-AHB1-AHB2 clock
* -SystemCoreClockUpdate() function to get HCLK clock
* -Configure the HSE two-way frequency division as the PLL source in
* the system_ch32v20x.c file (applicable only to CH32V20x_D8W)
*
*/
#include "debug.h"
@@ -40,6 +40,7 @@ int main(void)
USART_Printf_Init(115200);
SystemCoreClockUpdate();
printf("SystemClk:%d\r\n",SystemCoreClock);
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
RCC_GetClocksFreq(&RCC_ClocksStatus);
printf("SYSCLK_Frequency-%d\r\n", RCC_ClocksStatus.SYSCLK_Frequency);