43 lines
753 B
C
43 lines
753 B
C
/*
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rtc.h
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*/
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#ifndef _RTC_VIEW_H
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#define _RTC_VIEW_H
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#include "stdint.h"
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#define BCD_SEC_UNITS 0
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#define BCD_SEC_TENS 1
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#define BCD_MIN_UNITS 2
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#define BCD_MIN_TENS 3
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#define BCD_HOUR_UNITS 4
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#define BCD_HOUR_TENS 5
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#define BCD_DAY_UNITS 6
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#define BCD_DAY_TENS 7
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#define BCD_MONTH_UNITS 8
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#define BCD_MONTH_TENS 9
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#define BCD_YEAR_UNITS 10
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#define BCD_YEAR_TENS 11
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struct _rtc_struct
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{
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uint8_t bcd[12];
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uint8_t sec; /* 0..59 */
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uint8_t min; /* 0..59 */
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uint8_t hour; /* 0..23 */
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uint8_t day; /* 1..31 */
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uint8_t month; /* 1..12 */
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uint8_t year; /* 0..99 */
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};
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typedef struct _rtc_struct rtc_t;
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void rtc_register_to_bcd(rtc_t *rtc);
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void rtc_bcd_to_ymd_hms(rtc_t *rtc);
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void rtc_draw_time(rtc_t *rtc, u8g2_t *u8g2);
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#endif |