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()；
}
