STM32 HAL Driver Receive with Interrupt example

stm32_hal_uart_receive_it_example.c

#include "stm32f1xx_hal.h"

UART_HandleTypeDef UartHandle;      /* UART 핸들러 */
__IO ITStatus UartReady = RESET;    /* UART 상태 지시자 */

#define RXBUFFERSIZE    10
uint8_t aRxBuffer[RXBUFFERSIZE];    /* UART 수신 버퍼 */


int main(void)
{
    /* ... */

    /*## UART 수신 모드 시작 ###########################*/
    if (HAL_UART_Receive_IT(&UartHandle, (uint8_t *)aRxBuffer, RXBUFFERSIZE) != HAL_OK) {
        Error_Handler();
    }

    /*## 전송이 완료될 때까지의 처리 ###################################*/
    while (UartReady != SET) {
        /* ... */
    }

    /* UART 상태 리셋 */
    UartReady = RESET;

    /* ... */
}


/**
  * @brief  Rx Transfer completed callback
  * @param  UartHandle: UART handle
  * @retval None
  */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle)
{
    /* 전송(수신)이 완료되면 상태 변경 */
    UartReady = SET;
}