3.[stm32f429][hal] USART1_인터럽트

0. 파일

main.c

user_callback.c

1. STM32CubeMx

2. main.c

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f4xx_hal.h"
 
/* USER CODE BEGIN Includes */
 
/* USER CODE END Includes */
 
/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef huart1;
 
/* 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_USART1_UART_Init(void);
 
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
uint8_t Usar1_val[1];
/* USER CODE END PFP */
 
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f)
{
    uint8_t temp[1]={ch};
    HAL_UART_Transmit(&huart1, temp, 1, 2);
  return(ch);
}
/* USER CODE END 0 */
 
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_USART1_UART_Init();
 
  /* USER CODE BEGIN 2 */
  HAL_UART_Receive_IT(&huart1,Usar1_val,1);
  printf("http://hnydiy.tistory.com *** USART1_IT_TEST\r\n");
  /* USER CODE END 2 */
 
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
  /* USER CODE END WHILE */
 
  /* USER CODE BEGIN 3 */
 
  }
  /* USER CODE END 3 */
 
}
 

3. user_callback.c

#include "stm32f4xx_hal.h"
extern UART_HandleTypeDef huart1;
extern uint8_t Usar1_val[1];
 
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  if(huart->Instance == USART1){
    HAL_UART_Transmit(&huart1, (uint8_t*)Usar1_val, 1, 1000);
  }
  HAL_UART_Receive_IT(&huart1,(uint8_t*)Usar1_val,1);
 
}