51 lines
981 B
C
51 lines
981 B
C
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#ifndef _RTC_H
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#define _RTC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The struct used to pass data via the following ioctl. Similar to the
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* struct tm in <time.h>, but it needs to be here so that the kernel
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* source is self contained, allowing cross-compiles, etc. etc.
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*/
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typedef struct rtc_time {
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int tm_sec;
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int tm_min;
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int tm_hour;
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int tm_mday;
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int tm_mon;
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int tm_year;
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int tm_wday;
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int tm_yday;
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} SystemTime_t;
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/*
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* This data structure is inspired by the EFI (v0.92) wakeup
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* alarm API.
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*/
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struct rtc_wkalrm {
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unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */
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unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */
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struct rtc_time time; /* time the alarm is set to */
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};
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static inline int is_leap_year(unsigned int year)
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{
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return (!(year % 4) && (year % 100)) || !(year % 400);
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}
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int rtc_init(void);
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int iGetLocalTime(SystemTime_t *tm);
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void vSetLocalTime(SystemTime_t *tm);
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#ifdef __cplusplus
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}
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#endif
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#endif
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