FreeRTOS串口中断接收数据 

 1 volatile uint8_t RxBuffer;
 2 void StartTask04(void const * argument)
 3 {
 4   /* USER CODE BEGIN StartTask04 */
 5     uint8_t len;
 6     osEvent evt;
 7     HAL_UART_Receive_IT(&huart1,&RxBuffer,1);
 8     __HAL_UART_ENABLE_IT(&huart1,UART_IT_RXNE);//开启接收中断
 9     __HAL_UART_CLEAR_IDLEFLAG(&huart1);    
10 
11   /* Infinite loop */
12   for(;;)
13   {
14     osDelay(1);
15         len = osSemaphoreGetCount(UartQueueHandle);  
16         while(len--){
17             evt = osMessageGet(UartQueueHandle,0);
18             printf("%c",(char *)evt.value.p);
19         }
20             
21   }
22   /* USER CODE END StartTask04 */
23 }
1 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
2 {
3     __HAL_UART_CLEAR_FLAG(&huart1,UART_FLAG_RXNE);
4     HAL_GPIO_TogglePin(LED_GPIO_Port,LED_Pin);
5     //将数据放入消息队列
6     xQueueSendFromISR(UartQueueHandle,&RxBuffer,NULL);
7     HAL_UART_Receive_IT(&huart1,&RxBuffer,1);
8 }

 

posted @ 2024-04-28 09:28  summer2088  阅读(743)  评论(0)    收藏  举报