RTC Time of stm32f407

Rtc_inittypedef rtc_initstructure;
Rtc_timetypedef rtc_timestructure;
Rtc_datetypedef rtc_datastructure;


/****************************************************************************************
* Function Name: BSP_INITRTC
* Function function: Initialize RTC
* Formal Parameters: None
* Return value: None
*****************************************************************************************/


void Bsp_initrtc (void)
{
Rtc_inittypedef rtc_initstructure;

Rcc_apb1periphclockcmd (rcc_apb1periph_pwr,enable);
Pwr_backupaccesscmd (enable);/* Enable backup Register access */

if (Rtc_readbackupregister (rtc_bkp_dr0)! = 0xa0a0)
{
Rcc_lseconfig (rcc_lse_on);/* Enable LSE oscillator */
while (Rcc_getflagstatus (rcc_flag_lserdy) = = RESET)/* Wait ready */
{
}
Rcc_rtcclkconfig (Rcc_rtcclksource_lse);/* Select RTC Clock Source */
Rcc_rtcclkcmd (enable);/* Enable RTC clock */
Rtc_waitforsynchro ();/* Wait for RTC APB Register to synchronize */
/* Configure the RTC data Register and Divider */
Rtc_initstructure.rtc_asynchprediv = 0x7f;
Rtc_initstructure.rtc_synchprediv = 0xFF;
Rtc_initstructure.rtc_hourformat = rtc_hourformat_24;
Rtc_init (&rtc_initstructure);
/* Set Month day and week */
Rtc_datastructure.rtc_year = 0x15;
Rtc_datastructure.rtc_month = 0x12;
Rtc_datastructure.rtc_date = 0x06;
Rtc_datastructure.rtc_weekday = 0x07;
Rtc_setdate (rtc_format_bcd,&rtc_datastructure);
/* minutes and seconds and display format */
Rtc_timestructure.rtc_h12 = Rtc_h12_am;
Rtc_timestructure.rtc_hours = 0x21;
Rtc_timestructure.rtc_minutes = 0x30;
Rtc_timestructure.rtc_seconds = 0x00;
Rtc_settime (rtc_format_bcd,&rtc_timestructure);
/* Configure the backup register to indicate that a rtc*/has been set
Rtc_writebackupregister (RTC_BKP_DR0,0XA0A0);
}

}

/*
*********************************************************************************************************
* Function Name: main
* Function Description: C Program Entry
* Formal Parameters: None
* Return Value: Error code (no processing required)
*********************************************************************************************************
*/
int main (void)
{
Char buf[30];
/*
The boot file in the St firmware library has been executed with the Systeminit () function, the function in the SYSTEM_STM32F4XX.C file, the main function is
Configure the CPU system clock, internal flash access timing, configuration FSMC for external SRAM
*/
Bsp_init ();//Initialize RTC


/* Enter the main program loop body */
while (1)
{
Rtc_gettime (Rtc_format_bin, &rtc_timestructure);
Rtc_getdate (Rtc_format_bin, &rtc_datastructure);
sprintf (BUF,
"20%0.2d/%0.2d/%0.2d",
Rtc_datastructure.rtc_year,
Rtc_datastructure.rtc_month,
Rtc_datastructure.rtc_date);
printf ("%s", buf);//output time to serial port
printf ("\ r \ n");//newline

sprintf (BUF,
"%0.2d:%0.2d:%0.2d",
Rtc_timestructure.rtc_hours,
Rtc_timestructure.rtc_minutes,
Rtc_timestructure.rtc_seconds);
printf ("%s", buf);//output date to serial port
printf ("\ r \ n");//newline

Bsp_delayms (990);
}
}