/*
  RTC library for Arduino Zero.
  Copyright (c) 2015 Arduino LLC. All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef RTCInt_H
#define RTCInt_H

#define TIME_H24 1
#define TIME_H12 0

#define OFF RTC_MODE2_MASK_SEL_OFF
#define SEC RTC_MODE2_MASK_SEL_SS
#define MMSS RTC_MODE2_MASK_SEL_MMSS
#define HHMMSS RTC_MODE2_MASK_SEL_HHMMSS
#define DDHHMMSS RTC_MODE2_MASK_SEL_DDHHMMSS
#define MMDDHHMMSS RTC_MODE2_MASK_SEL_MMDDHHMMSS
#define YYMMDDHHMMSS RTC_MODE2_MASK_SEL_YYMMDDHHMMSS

#define ALARM_POLLED 0
#define ALARM_INTERRUPT 1

#define ANTI_MERIDIAN 0
#define POST_MERIDIAN 1

#include "Arduino.h"

typedef struct {
	unsigned int hour;
	unsigned int minute;
	unsigned int second;
	unsigned char Tmode;
}TIME;

typedef struct {
	unsigned int day;
	unsigned int month;
	unsigned int year;
}DATE;

static voidFuncPtr _callback = NULL;

class RTCInt {
public:

  RTCInt() {};
  
  TIME local_time;
  DATE local_date;
  
  void begin(bool timeMode);
  
  /* Get Time Functions */

  unsigned int getHour(void);
  unsigned int getMinute(void);
  unsigned int getSecond(void);
  void getTime(void);
  unsigned char getMeridian(void); 
 
 /* Get Date Functions */ 
  unsigned int getDay(void);
  unsigned int getMonth(void);
  unsigned int getYear(void);
  void getDate(void);

  /* Set Time Functions */

  void setHour(unsigned int hour, unsigned char meridian);
  void setMinute(unsigned int minute);
  void setSecond(unsigned int second);
  void setTime(unsigned int hour, unsigned char meridian, unsigned int minute, unsigned int second);
  void setTime(void);

 /* Set Date Functions */ 
  void setDay(unsigned int day);
  void setMonth(unsigned int month);
  void setYear(unsigned int year);
  void setDate(unsigned int day, unsigned int month, unsigned int year);
  void setDate(void);
  
 /* Alarm Functions */
	void enableAlarm(unsigned int mode, unsigned int type, voidFuncPtr callback);
	void setAlarm(void);
	bool alarmMatch(void);
	

private:
  unsigned int Alarm_Mode=0;
  bool RTCSync(void);  
  void RTCdisable(void);
  void RTCenable(void);
  void RTCreset(void);
  void RTCresetRemove(void);
};


#endif