add attachAlarmInterrupt and detachAlarmInterrupt

Author: csnol

STM32F1/libraries/RTClock/src/RTClock.h

@@ -78,6 +78,10 @@ class RTClock {
 	void attachSecondsInterrupt(voidFuncPtr function); 
 	void detachSecondsInterrupt();
 
+        void attachAlarmInterrupt(voidFuncPtr function); 
+	void attachAlarmInterrupt(voidFuncPtr function, time_t alarm_time);
+	void detachAlarmInterrupt();
+	
 	void setAlarmTime (tm_t  & tm_ptr);
 	void setAlarmTime (time_t alarm_time); 
 
@@ -89,4 +93,4 @@ class RTClock {
 
 
 #endif // _RTCLOCK_H_
-                                                                                        
+