first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,79 @@
+/********************************** (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
+ low power, standby mode routine:
+ WKUP(PA0)
+ This routine demonstrates that WFI enters the standby mode, the rising edge of
+ the WKUP (PA0) pin exits the standby mode,Program reset after wake-up.
+ Note: In order to reduce power consumption as much as possible, it is
+ recommended to set the unused GPIO to pull-down mode.
+
+*/
+
+#include "debug.h"
+
+/* Global define */
+
+/* Global Variable */
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    GPIO_InitTypeDef GPIO_InitStructure = {0};
+
+    /* 为降低功耗，需将不用的GPIO设置成下拉输入 */
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|
+            RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE, 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_2);
+    Delay_Init();
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+
+    printf("Standby Mode Test\r\n");
+
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
+
+    if(PWR_GetFlagStatus(PWR_FLAG_WU) == SET)
+    {
+        printf("\r\n Standby wake up reset \r\n");
+    }
+    else
+    {
+        printf("\r\n Power on reset \r\n");
+        PWR_WakeUpPinCmd(ENABLE);
+        PWR_EnterSTANDBYMode();
+    }
+
+    printf("\r\n ########## \r\n");
+    while(1)
+    {
+        Delay_Ms(1000);
+        printf("Run in main\r\n");
+    }
+}