Module rtc 

Structs

RtcDateTime

RTC date/time structure

RtcDriver

RTC driver state

Constants

CENTURY_REG_CANDIDATES 🔒

CMOS_ADDR_PORT 🔒

CMOS_DATA_PORT 🔒

CMOS_REG_DAY 🔒

CMOS_REG_HOUR 🔒

CMOS_REG_MINUTE 🔒

CMOS_REG_MONTH 🔒

CMOS_REG_SECOND 🔒

CMOS_REG_STATUS_A 🔒

CMOS_REG_STATUS_B 🔒

CMOS_REG_STATUS_C 🔒

CMOS_REG_WEEKDAY 🔒

CMOS_REG_YEAR 🔒

RTC_FREQ_1 🔒

RTC_FREQ_4 🔒

RTC_FREQ_16 🔒

RTC_FREQ_64 🔒

RTC_FREQ_256 🔒

RTC_FREQ_1024 🔒

STATUS_A_UIP 🔒

STATUS_B_24H 🔒

STATUS_B_DM 🔒

STATUS_B_PIE 🔒

STATUS_B_UIE 🔒

Statics

RTC_DRIVER 🔒

RTC_INITIALIZED 🔒

RTC_LAST_TICK 🔒

Functions

bcd_to_binary 🔒

Convert BCD to binary

cmos_read 🔒

Read CMOS register

cmos_write 🔒

Write CMOS register

detect_century_register 🔒

Performs the detect century register operation.

get_datetime

Get current date/time

get_timestamp

Get Unix timestamp

init

Initialize RTC

is_available

Check if RTC is available

is_update_in_progress 🔒

Check if RTC update is in progress

read_rtc_time 🔒

Read time from RTC registers

rtc_interrupt_handler

RTC interrupt handler (IRQ8)

set_periodic_frequency

Set periodic interrupt frequency

set_periodic_interrupt

Enable/disable periodic interrupt

uptime_secs

Get seconds since boot (approximate, based on RTC updates)