STM32F103VET6基于STM32CubeMX RTC时钟报警中断

/* USER CODE BEGIN 0 */

extern RTC_AlarmTypeDef alarm;

/* USER CODE END 0 */



RTC_HandleTypeDef hrtc;



/* RTC init function */

void MX_RTC_Init(void)

{



  /* USER CODE BEGIN RTC_Init 0 */

//__HAL_RCC_PWR_CLK_ENABLE();//使能电源时钟 PWR

//HAL_PWR_EnableBkUpAccess();//取消备份区域写保护

  /* USER CODE END RTC_Init 0 */



  RTC_TimeTypeDef sTime = {0};

  RTC_DateTypeDef DateToUpdate = {0};



  /* USER CODE BEGIN RTC_Init 1 */



  /* USER CODE END RTC_Init 1 */



  /** Initialize RTC Only

  */

  hrtc.Instance = RTC;

  hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;

  hrtc.Init.OutPut = RTC_OUTPUTSOURCE_ALARM;

  if (HAL_RTC_Init(&hrtc) != HAL_OK)

  {

                

    Error_Handler();

  }



  /* USER CODE BEGIN Check_RTC_BKUP */



  /* USER CODE END Check_RTC_BKUP */



  /** Initialize RTC and set the Time and Date

  */

  sTime.Hours = 0x10;

  sTime.Minutes = 0x20;

  sTime.Seconds = 0x35;



  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)

  {

    Error_Handler();

  }

  DateToUpdate.WeekDay = RTC_WEEKDAY_WEDNESDAY;

  DateToUpdate.Month = RTC_MONTH_DECEMBER;

  DateToUpdate.Date = 0x22;

  DateToUpdate.Year = 0x22;



  if (HAL_RTC_SetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BCD) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN RTC_Init 2 */

        alarm.Alarm         = RTC_ALARM_A;   //配置闹钟的时间

        alarm.AlarmTime.Hours = 0x10;

        alarm.AlarmTime.Minutes = 0x20;

        alarm.AlarmTime.Seconds = 0x40;

        HAL_RTC_SetAlarm_IT(&hrtc,&alarm,RTC_FORMAT_BCD);

  /* USER CODE END RTC_Init 2 */



}

void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)

{

    rtc_time_t tim = {0};

        // 获取当前时间

    RTC_GetTime(&tim);



    alarm.AlarmTime.Hours = tim.Hours;

    alarm.AlarmTime.Minutes =tim.Minutes;

    alarm.AlarmTime.Seconds = tim.Seconds + 5;  /* 设置下次闹钟提醒时间是当前时间的5s之后 */

    alarm.Alarm = RTC_ALARM_A;

        

        // 再次启动闹钟中断事件

    if (HAL_RTC_SetAlarm_IT(hrtc, &alarm, RTC_FORMAT_BIN) != HAL_OK)

    {

        Error_Handler();

    }

printf("%02d/%02d/%02d %02d:%02d:%02d %d\r\n", tim.Year, tim.Month, tim.Day, tim.Hours, tim.Minutes, tim.Seconds, tim.WeekDay);

        

                HAL_GPIO_TogglePin(GPIOE,GPIO_PIN_5);

    printf("HAL_RTC_AlarmAEventCallback\r\n");

//                printf("%02d:%02d:%02d \r\n",alarm.AlarmTime.Hours,alarm.AlarmTime.Minutes,alarm.AlarmTime.Seconds + 5);

}

#include "stdio.h"

#pragma pack(1)

typedef struct

{

    uint8_t Hours;

    uint8_t Minutes;

    uint8_t Seconds;

    uint8_t WeekDay;

    uint8_t Month;

    uint8_t Day;

    uint8_t Year;

} rtc_time_t;

#pragma pack()



RTC_AlarmTypeDef alarm;





void RTC_GetTime(rtc_time_t* time)

{

    HAL_RTC_GetTime(&hrtc, (RTC_TimeTypeDef *)&time->Hours,   RTC_FORMAT_BIN);

    HAL_RTC_GetDate(&hrtc, (RTC_DateTypeDef *)&time->WeekDay, RTC_FORMAT_BIN);

}

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();

        printf("HAL_RTC_Alarm  TEST\r\n");

          MX_RTC_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 */



  }

  /* USER CODE END 3 */

}