本帖最后由 anywill 于 2018-5-22 14:57 编辑 #include "main.h" #include "stm32f4xx_hal.h" /* USER CODE BEGIN Includes */ #include "stdbool.h" /* USER CODE END Includes */ /* Private variables ---------------------------------------------------------*/ UART_HandleTypeDef huart2; /* USER CODE BEGIN PV */ /* Private variables ---------------------------------------------------------*/ /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); static void MX_GPIO_Init(void); static void MX_USART2_UART_Init(void); /* USER CODE BEGIN PFP */ /* Private function prototypes -----------------------------------------------*/ /* USER CODE END PFP */ /* USER CODE BEGIN 0 */ bool tempVar=true; /* USER CODE END 0 */ /** * @brief The application entry point. * * @retval None */ int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration----------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_USART2_UART_Init(); /* USER CODE BEGIN 2 */ /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ if (HAL_GPIO_ReadPin (GPIOC,GPIO_PIN_13)&&tempVar)//PC13 default high voltage { HAL_Delay(10);//contact stability if(HAL_GPIO_ReadPin (GPIOC,GPIO_PIN_13)) { HAL_GPIO_TogglePin (GPIOA,GPIO_PIN_5); tempVar=false; } } else if(HAL_GPIO_ReadPin (GPIOC,GPIO_PIN_13)==GPIO_PIN_RESET&&tempVar==false )// { HAL_Delay(10);//contact stability if(HAL_GPIO_ReadPin (GPIOC,GPIO_PIN_13)==GPIO_PIN_RESET) { tempVar=true; } } /* USER CODE END 3 */ } }
