f767 中串口怎么定义多个？它是用回调函数。回调函数又不能多次使用

18784506782

zuozhongkai

进入回调函数里面，针对不同的串口做不同的处理，串口句柄里面就有标记是哪个串口的。

caosix

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  if(huart->Instance==UART4)
  {
  /* USER CODE BEGIN UART4_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart4,(uint8_t *)CD_In,16);
  /* USER CODE END UART4_MspDeInit 0 */
  }
  else if(huart->Instance==UART5)
  {
  /* USER CODE BEGIN UART5_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart5,(uint8_t *)DD_In,16);
  /* USER CODE END UART5_MspDeInit 0 */
  }
  else if(huart->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspDeInit 0 */
    keychr = key_in[2];         //从液晶屏键盘码 AA+55+key 提取 key 键值
    HAL_UART_Receive_IT(&huart1,(uint8_t *)key_in,3);
    HAL_GPIO_TogglePin(GPIOD, GPIO_PIN_2);      //翻转 LED灯 测试之用 。
  /* USER CODE END USART1_MspDeInit 0 */
  }
  else if(huart->Instance==USART2)
  {
  /* USER CODE BEGIN USART2_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart2,(uint8_t *)AD_In,16);
  /* USER CODE END USART2_MspDeInit 0 */
  }
  else if(huart->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart3,(uint8_t *)BD_In,16);
  /* USER CODE END USART3_MspDeInit 0 */
  }
}

void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
{
  // printf("error code:%X\r\n",huart->ErrorCode);
  if(huart->Instance==UART4)
  {
  /* USER CODE BEGIN UART4_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart4,(uint8_t *)CD_In,16);
  /* USER CODE END UART4_MspDeInit 0 */
  }
  else if(huart->Instance==UART5)
  {
  /* USER CODE BEGIN UART5_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart5,(uint8_t *)DD_In,16);
  /* USER CODE END UART5_MspDeInit 0 */
  }
  else if(huart->Instance==USART1)
  {
  /* USER CODE BEGIN USART1_MspDeInit 0 */
  HAL_Delay(3);
  HAL_UART_Receive_IT(&huart1,(uint8_t *)key_in,3);
  HAL_Delay(3);
  /* USER CODE END USART1_MspDeInit 0 */
  }
  else if(huart->Instance==USART2)
  {
  /* USER CODE BEGIN USART2_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart2,(uint8_t *)AD_In,16);
  /* USER CODE END USART2_MspDeInit 0 */
  }
  else if(huart->Instance==USART3)
  {
  /* USER CODE BEGIN USART3_MspDeInit 0 */
    HAL_UART_Receive_IT(&huart3,(uint8_t *)BD_In,16);
  /* USER CODE END USART3_MspDeInit 0 */
  }
}

俺 把 5个 串口 都 用起了，但是 还是觉得 囫囵吞枣 。

18784506782

caosix 发表于 2017-2-13 18:19
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
  if(huart->Instance==UART4)

就这样 谢谢