23 lines
467 B
C
23 lines
467 B
C
#pragma once
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#include "io/io.h"
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#define CURRENT_YEAR 2021
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extern int century_register;
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extern unsigned char second;
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extern unsigned char minute;
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extern unsigned char hour;
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extern unsigned char day;
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extern unsigned char month;
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extern unsigned int year;
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enum {
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cmos_address = 0x70,
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cmos_data = 0x71
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};
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int get_update_in_progress_flag();
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unsigned char get_RTC_register();
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void read_rtc();
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void delay(int t); |