STM32CUBEIDE RTC

void setTime()
{
    RTC_DateTypeDef sDate;
    RTC_TimeTypeDef sTime;
    sDate.WeekDay = 4;
    sDate.Month = 6;
    sDate.Date = 8;
    sDate.Year = 23;
    HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN);
    sTime.Hours = 14;
    sTime.Minutes = 25;
    sTime.Seconds = 5;
    HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN);
    HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR1, RTC_BKP_DATA);
}
void showTime()
{
    uint16_t Rtctime = 0;
    char showtime[100];
    RTC_DateTypeDef sDateStructure;
    RTC_TimeTypeDef sTimeStructure;
    while(1)
    {
        HAL_RTC_GetTime(&hrtc, &sTimeStructure, RTC_FORMAT_BIN);
        HAL_RTC_GetDate(&hrtc, &sDateStructure, RTC_FORMAT_BIN);
        if(Rtctime!= sTimeStructure.Seconds)
        {
        printf("Date = : year:%0.2d - month:%0.2d - day:%0.2d - weekday:%0.2d",sDateStructure.Year,
                sDateStructure.Month,
                sDateStructure.Date,
                sDateStructure.WeekDay);
        sprintf(showtime,"the Date = : year:20%0.2d - month:%0.2d - day:%0.2d - weekday:%0.2d",sDateStructure.Year,
                sDateStructure.Month,
                sDateStructure.Date,
                sDateStructure.WeekDay);
        printf("Arr Date = : year:%0.2d - month:%0.2d - day:%0.2d - weekday:%0.2d",showtime[0],showtime[1],showtime[2],showtime[3],showtime[4]);
        printf("The Time :  %0.2d:%0.2d:%0.2d \r\n\r\n",
                sTimeStructure.Hours,
                sTimeStructure.Minutes,
                sTimeStructure.Seconds);
        sprintf(showtime,"The Time :  %0.2d:%0.2d:%0.2d ",
                sTimeStructure.Hours,
                sTimeStructure.Minutes,
                sTimeStructure.Seconds);
        printf("Arr The Time :  %0.2d:%0.2d:%0.2d \r\n\r\n",showtime[0],showtime[1],showtime[2],showtime[3],showtime[4]);
        }
        Rtctime = sTimeStructure.Seconds;
    }
}
void RTC_INT()
{
      if(HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1)!=RTC_BKP_DATA )
        {
            setTime();
        }
        else
        {
            //�????????????????????????查电源是否复�????????????????????????
            if(__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST)!=RESET)
            {
                printf("\r\n-----------电源发生复位------------\r\n");
            }
            else if(__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST)!= RESET)
            {
                printf("\r\n---------------发生外部复位-------------\r\n");
            }
            printf("\r\n------正常不需要重新配�????????????????????????--------\r\n");
            //使能pwr时钟
            __HAL_RCC_RTC_ENABLE();
            //PWR_cr：DBF�????????????????????????1使能rtc，rtc备份寄存器和备份SRAM的访�????????????????????????
            HAL_PWR_EnableBkUpAccess();
            //等待RTC APB 同步
            HAL_RTC_WaitForSynchro(&hrtc);
        }
}
int main（）
{

RTC_INT()

showTime()；

}