3_STM32cubeIDE_函数跳转,快速注解和代码提示,USART(通用同步异步收发机)

1_函数跳转

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按住键盘ctrl键不放，而后用鼠标单击函数名，这样就能跳转到函数体当中。(结构体，枚举，数组等一样适用)

2_快速注解和代码提示

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快速注解
快捷键ctrl+/

代码提示
快捷键Alt+/

3_USART(通用同步异步收发机)

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3.1_发送串口

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();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

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

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
  uint8_t send[]="莫狄掘金\n";
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	   HAL_UART_Transmit(&huart1,send,sizeof(send),100);  //第三个参数:本次要发送的字符数量;第四个参数单位是ms
	   HAL_Delay(1000);
  }
  /* USER CODE END 3 */
}
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