[mw_shl_code=c,true]/* USER CODE BEGIN 0 */
uint8_t data[16]="hello";
/* 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();

  /* Configure the system clock */
  SystemClock_Config();

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_UART7_Init();

  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */

  while (1)
  {
  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */
                 HAL_GPIO_WritePin(GPIOE,DE_Pin, GPIO_PIN_SET);  //使能RS485 发送端DE
        // while(HAL_UART_GetState(&huart7) == HAL_UART_STATE_RESET );
         HAL_UART_Transmit(&huart7,data,1,100);   //发一个字节的数据出去
                //while(HAL_UART_GetState(&huart7) == HAL_UART_STATE_RESET );
                while(__HAL_UART_GET_FLAG(&huart7,UART_FLAG_TC)!= SET);//等待发送结束
         HAL_GPIO_WritePin(GPIOE,DE_Pin, GPIO_PIN_RESET);
  }[/mw_shl_code]