/* alarm callback function 
This function clears the SLCD display and back light toggling  */
void rtc_match_callback(void)
/* alarm callback function 
This function clears the SLCD display and back light toggling  */
void rtc_match_callback(void)
{
	LCD_BACKLIGHT_OFF;
	rtc_calendar_disable_callback(&rtc_instance, RTC_CALENDAR_CALLBACK_ALARM_0);
	slcd_clear_display_memory();
	tcc_disable(&tcc_instance);
}