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 +1,83 @@
+/********************************** (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 interrupt line routine:
+ EXTI_Line0(PA0)
+ PA0 is set as a pull-up input, and the falling edge triggers an interrupt.
+
+*/
+
+#include "debug.h"
+
+/* Global define */
+
+/* Global Variable */
+
+/*********************************************************************
+ * @fn      EXTI0_INT_INIT
+ *
+ * @brief   Initializes EXTI0 collection.
+ *
+ * @return  none
+ */
+void EXTI0_INT_INIT(void)
+{
+    GPIO_InitTypeDef GPIO_InitStructure = {0};
+    EXTI_InitTypeDef EXTI_InitStructure = {0};
+    NVIC_InitTypeDef NVIC_InitStructure = {0};
+
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA, ENABLE);
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+    /* GPIOA ----> EXTI_Line0 */
+    GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
+    EXTI_InitStructure.EXTI_Line = EXTI_Line0;
+    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
+    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+    EXTI_Init(&EXTI_InitStructure);
+
+    NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
+    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
+    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStructure);
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+    Delay_Init();
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+
+    printf("EXTI0 Test\r\n");
+    EXTI0_INT_INIT();
+
+    while(1)
+    {
+        Delay_Ms(1000);
+        printf("Run at main\r\n");
+    }
+}