/*
* get date
*/
void ds1307_getdate(uint8_t *year, uint8_t *month, uint8_t *day, uint8_t *hour, uint8_t *minute, uint8_t *second) {
i2c_start_wait(DS1307_ADDR | I2C_WRITE);
i2c_write(0x00);//stop oscillator
i2c_stop();
i2c_rep_start(DS1307_ADDR | I2C_READ);
*second = ds1307_bcd2dec(i2c_readAck() & 0x7F);
*minute = ds1307_bcd2dec(i2c_readAck());
*hour = ds1307_bcd2dec(i2c_readAck());
i2c_readAck();
*day = ds1307_bcd2dec(i2c_readAck());
*month = ds1307_bcd2dec(i2c_readAck());
*year = ds1307_bcd2dec(i2c_readNak());
i2c_stop();
}
void ds1307_getdate(unsigned char *year, unsigned char *month, unsigned char *day, unsigned char *hour, unsigned char *minute, unsigned char *second)
{
i2c_start_wait(DS1307_ADDR | I2C_W);
i2c_wrt(0x00);//stop oscillator
i2c_stop();
i2c_rep_start(DS1307_ADDR | I2C_R);
*second = ds1307_bcd2dec(i2c_readAck() & 0x7F);
*minute = ds1307_bcd2dec(i2c_readAck());
*hour = ds1307_bcd2dec(i2c_readAck());
i2c_readAck();
*day = ds1307_bcd2dec(i2c_readAck());
*month = ds1307_bcd2dec(i2c_readAck());
*year = ds1307_bcd2dec(i2c_readNak());
i2c_stop();
}
void ds1307_get_datetime(rtc_datetime_t *dtp)
{
i2c_start_wait(DS1307_ADDR | I2C_WRITE);
i2c_write(0x00);//set register pointer to 0
i2c_stop(); // stop oscillator
i2c_rep_start(DS1307_ADDR | I2C_READ);
dtp->time.second = ds1307_bcd2dec(i2c_readAck() & 0x7F);
dtp->time.minute = ds1307_bcd2dec(i2c_readAck());
dtp->time.hour = ds1307_bcd2dec(i2c_readAck());
i2c_readAck();
dtp->date.dom = ds1307_bcd2dec(i2c_readAck());
dtp->date.month = ds1307_bcd2dec(i2c_readAck());
dtp->date.year = ds1307_bcd2dec(i2c_readNak());
i2c_stop();
}
