42_KFS/headers/rtc.h

#pragma once

#include <stdint.h>

#define SECOND_REGISTER           0x00
#define MINUTE_REGISTER           0x02
#define HOUR_REGISTER             0x04
#define DAY_OF_THE_WEEK_REGISTER  0x06
#define DAY_OF_THE_MONTH_REGISTER 0x07
#define MONTH_REGISTER            0x08
#define YEAR_REGISTER             0x09
#define CENTURY_REGISTER          0x32

#define REGISTER_A 0x0A
#define REGISTER_B 0x0B

enum { CMOS_ADDRESS = 0x70, CMOS_DATA = 0x71 };

struct rtc_date {
	uint8_t second;
	uint8_t minute;
	uint8_t hour;

	uint8_t index_of_the_day;
	uint8_t day;
	uint8_t month;
	uint32_t year;
};

struct rtc_date get_date(void);