ds1307.h

ds1307 for avr (interrupt)

#ifndef _DS1307_H_
#define _DS1307_H_


#include <avr/io.h>
#include <avr/interrupt.h>
#include <inttypes.h>
#include <util/twi.h>
#include "i2c.h"


extern volatile uint8_t cur_datetime[7];
extern volatile uint8_t set_datetime[3];
extern volatile uint8_t i2c_status;

uint8_t bcd2dec (uint8_t bcd);
uint8_t dec2bcd (uint8_t dec);

void ds1307_set_time(uint8_t* time);
void ds1307_set_date(uint8_t* date);
void ds1307_get_datetime(uint8_t* datetime);
void ds1307_read_datetime();
void ds1307_init();

#endif // _DS1307_H_