/****************************************************************************/	
//	Function: Header file for DS1307
//	Hardware: Grove - RTC
//	Arduino IDE: Arduino-1.0
//	Author:	 FrankieChu		
//	Date: 	 Jan 19,2013
//	Version: v1.0
//	by www.seeedstudio.com
//
//  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 __DS1307_H__
#define __DS1307_H__

#include <Arduino.h>

#define DS1307_I2C_ADDRESS 0x68

#define SUN 1
#define MON 2
#define TUE 3
#define WED 4
#define THU 5
#define FRI 6
#define SAT 7

class DS1307
{
private:
	uint8_t decToBcd(uint8_t val);
	uint8_t bcdToDec(uint8_t val);

public:
	void begin();
	void startClock(void);
	void stopClock(void);
	
	void setTime(void);
	void getTime(void);
	
	uint8_t getHour(void);
	uint8_t getMinute(void);
	uint8_t getSecond(void);
	uint16_t getYear(void);
	uint8_t getMonth(void);
	uint8_t getDayOfMonth(void);
	uint8_t getDayOfWeek(void);
	
	void setHour(uint8_t);
	void setMinute(uint8_t);
	void setSecond(uint8_t);
	void setYear(uint16_t);
	void setMonth(uint8_t);
	void setDayOfMonth(uint8_t);
	void setDayOfWeek(uint8_t);

	uint8_t second;
	uint8_t minute;
	uint8_t hour; 
	uint8_t dayOfWeek;   // day of week, 1 = Sunday
	uint8_t dayOfMonth;
	uint8_t month;
	uint16_t year;
};

#endif