/* Sets the RTC control register hour format to AM (24h) 
Requires unlocking backup domain write protection (PWR_CR_DBP)  */
void rtc_set_am_format(void)
/* Sets the RTC control register hour format to AM (24h) 
Requires unlocking backup domain write protection (PWR_CR_DBP)  */
void rtc_set_am_format(void)
{
	RTC_CR &= ~RTC_CR_FMT;
}