bstanwell/ch32v20x-examples
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qiyongshuang
2026-01-07 10:43:29 +08:00
parent 6209b6e7f9
commit d161f84c90
551 changed files with 23169 additions and 1518 deletions
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EVT/EXAM/PWR/Standby_RAM_Mode/User/main.c
+10 -11
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@@ -1,8 +1,8 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : main.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Version : V1.0.1
* Date : 2025/04/26
* Description : Main program body.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
@@ -101,23 +101,22 @@ void TestDataRead(void)
*/
int main(void)
{
GPIO_InitTypeDef GPIO_InitStructure={0};
/* Configure unused GPIO as IPD to reduce power consumption */
GPIO_InitTypeDef GPIO_InitStructure = {0};
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
SystemCoreClockUpdate();
Delay_Init();
Delay_Ms(1000);
/* To reduce power consumption, unused GPIOs need to be set as pull-down inputs */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|
RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE, ENABLE);
RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_Init(GPIOE, &GPIO_InitStructure);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
SystemCoreClockUpdate();
Delay_Init();
USART_Printf_Init(115200);
printf("SystemClk:%d\r\n", SystemCoreClock);
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );