xp3 发表于 2018-3-8 12:51:49

:'(:'(

dsjsjf 发表于 2018-3-15 15:56:34

给你一个参考,一个空闲中断,一个事件型任务
/* USART6 串口空闲中断函数 */
void HeaterComm_Callback(void)
{
uint32_t TmpFlag = 0;
uint32_t TmpLength;

TmpFlag = __HAL_UART_GET_FLAG(&huart6, UART_FLAG_IDLE);      
if((TmpFlag != RESET))
{
    __HAL_UART_CLEAR_IDLEFLAG(&huart6);
    //HAL_UART_AbortReceive_IT(&huart6);                           
    HAL_UART_DMAStop(&huart6);      
    TmpLength = __HAL_DMA_GET_COUNTER((DMA_HandleTypeDef *)&hdma_usart6_rx);         
    //TmpLength = hdma_usart6_rx.Instance->NDTR;
    HeaterComm.DataLength = 32 - TmpLength;
    osSignalSet (HeaterComm_TaskHandle, 1);                     //HeaterComm.ReceiveFlag = 1;
}
}

/* HeaterCommTask function */
void HeaterCommTask(void const * argument)
{
/* USER CODE BEGIN HeaterCommTask */
osEvent Event;

HeaterComm.CommStatus = 1;
HeadData.Sensor.TcTemp.Status = Normal;
HeadData.Sensor.TcTemp.Status = Normal;
HeadData.Sensor.TcTemp.Status = Normal;
HeadData.Sensor.TcTemp.Value = 25;
HeadData.Sensor.TcTemp.Value = 25;
HeadData.Sensor.TcTemp.Value = 25;

__HAL_UART_ENABLE_IT(&huart6, UART_IT_IDLE);
HAL_UART_Receive_DMA(&huart6, Rs422RxData.Char, 32);
/* Infinite loop */
for(;;)
{
    Event = osSignalWait(1, 2000);
    if(Event.status == osEventSignal)
    {//接收到一帧数据
      osMutexWait (MutexGetTempHandle, 3);
      if((Rs422RxData.Sensor.Head == 0x4c)
         && (crc16(Rs422RxData.Char, HeaterComm.DataLength - 2) == Rs422RxData.Sensor.Crc))
      {
      HeadData.Sensor.NtcTemp = Rs422RxData.Sensor.NtcTemp;
      for(uint8_t i=0; i<3; i++)
      {
          HeadData.Sensor.TcTemp.Data= Rs422RxData.Sensor.TcTemp.Data;
//          HeadData.Sensor.TcTemp.Value   = Rs422RxData.Sensor.TcTemp.Value;
      }
      HeaterComm.CommStatus = 1;
      }
      else
      {
      TestData++;
      //      HeaterComm.DataLength = 0;
      }
      HeaterComm.DataLength = 0;
      osMutexRelease (MutexGetTempHandle);
      HAL_UART_Receive_DMA(&huart6, Rs422RxData.Char, 32);
    }
    else
    {//接收超时
      HeaterComm.CommStatus = 0;
    }
    xEventGroupSetBits(xCreatedEventGroup, EVENT_BIT_HEATER_COMM_TASK);
    osThreadYield();
}
/* USER CODE END HeaterCommTask */
}
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