/* ajust the daylight saving time by adding or substracting one hour from the current time  */
void rtc_hour_adjust(uint32_t operation)
/* ajust the daylight saving time by adding or substracting one hour from the current time  */
void rtc_hour_adjust(uint32_t operation)
{
    RTC_WPK = RTC_UNLOCK_KEY1;
    RTC_WPK = RTC_UNLOCK_KEY2;
    RTC_CTL |= (uint32_t)(operation);
    RTC_WPK = RTC_LOCK_KEY;
}