/* Enable the time tick or alarm interrupt of RTC. 
The  */
void RTCIntEnable(unsigned long ulIntType)
/* Enable the time tick or alarm interrupt of RTC. 
The  */
void RTCIntEnable(unsigned long ulIntType)
{
    xASSERT(((ulIntType & RTC_INT_TIME_TICK) == RTC_INT_TIME_TICK) ||
            ((ulIntType & RTC_INT_ALARM) == RTC_INT_ALARM));
    xHWREG(RTC_RIER) |= ulIntType; 
}