rtc.c File Reference

#include "libk/serial.h"
#include <hal/timer/rtc.h>
#include <libk/io.h>

Go to the source code of this file.

Data Structures
struct	date_time

Macros
#define	CMOS_ADDR   0x70
#define	CMOS_DATA   0x71

Functions
static uint8_t	cmos_read (uint8_t reg)
static bool	rtc_is_updating ()
static void	rtc_read_time (date_time *dt)
void	rtc_initialize (void)

Macro Definition Documentation

CMOS_ADDR

#define CMOS_ADDR   0x70

Definition at line 5 of file rtc.c.

Referenced by cmos_read(), and rtc_is_updating().

CMOS_DATA

#define CMOS_DATA   0x71

Definition at line 6 of file rtc.c.

Referenced by cmos_read(), and rtc_is_updating().

Function Documentation

cmos_read()

static uint8_t cmos_read ( uint8_t reg )

static

Definition at line 8 of file rtc.c.

References CMOS_ADDR, CMOS_DATA, inb(), outb(), and reg.

Referenced by rtc_read_time().

rtc_initialize()

void rtc_initialize

(

void

)

Definition at line 79 of file rtc.c.

References date_time::day, date_time::hour, LOG_INFO, date_time::minute, date_time::month, rtc_read_time(), date_time::second, and date_time::year.

rtc_is_updating()

static bool rtc_is_updating ( )

static

Definition at line 13 of file rtc.c.

References CMOS_ADDR, CMOS_DATA, inb(), and outb().

Referenced by rtc_read_time().

rtc_read_time()

static void rtc_read_time ( date_time * dt )

static

Definition at line 28 of file rtc.c.

References cmos_read(), date_time::day, date_time::hour, min(), date_time::minute, date_time::month, rtc_is_updating(), date_time::second, and date_time::year.

Referenced by rtc_initialize().