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32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
#ifndef _DS1216_H
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#define _DS1216_H
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extern volatile unsigned char *ds1216_base;
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unsigned long ds1216_get_cmos_time(void);
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int ds1216_set_rtc_mmss(unsigned long nowtime);
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#define DS1216_SEC_BYTE 1
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#define DS1216_MIN_BYTE 2
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#define DS1216_HOUR_BYTE 3
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#define DS1216_HOUR_MASK (0x1f)
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#define DS1216_AMPM_MASK (1<<5)
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#define DS1216_1224_MASK (1<<7)
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#define DS1216_DAY_BYTE 4
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#define DS1216_DAY_MASK (0x7)
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#define DS1216_DATE_BYTE 5
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#define DS1216_DATE_MASK (0x3f)
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#define DS1216_MONTH_BYTE 6
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#define DS1216_MONTH_MASK (0x1f)
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#define DS1216_YEAR_BYTE 7
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#define DS1216_SEC(buf) (buf[DS1216_SEC_BYTE])
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#define DS1216_MIN(buf) (buf[DS1216_MIN_BYTE])
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#define DS1216_HOUR(buf) (buf[DS1216_HOUR_BYTE] & DS1216_HOUR_MASK)
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#define DS1216_AMPM(buf) (buf[DS1216_HOUR_BYTE] & DS1216_AMPM_MASK)
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#define DS1216_1224(buf) (buf[DS1216_HOUR_BYTE] & DS1216_1224_MASK)
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#define DS1216_DATE(buf) (buf[DS1216_DATE_BYTE] & DS1216_DATE_MASK)
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#define DS1216_MONTH(buf) (buf[DS1216_MONTH_BYTE] & DS1216_MONTH_MASK)
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#define DS1216_YEAR(buf) (buf[DS1216_YEAR_BYTE])
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#endif
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