/* USER CODE BEGIN 2 */
uint8_t TxData[20]="usart1 transmit!\n";HAL_GPIO_WritePin(GPIOH, GPIO_PIN_11, GPIO_PIN_SET);HAL_GPIO_WritePin(GPIOH, GPIO_PIN_12, GPIO_PIN_SET);/* USER CODE END 2 */
while(1){/* USER CODE END WHILE *//* USER CODE BEGIN 3 */HAL_UART_Transmit(&huart1,TxData,20,0xffff);HAL_GPIO_TogglePin(GPIOH, GPIO_PIN_10);HAL_Delay(500);}