From 61b0cfe9df810db4fbca78e5f880d61c5063f324 Mon Sep 17 00:00:00 2001 From: Leo C Date: Sat, 23 Aug 2014 19:34:22 +0200 Subject: Add date rtc i2c --- include/rtc.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 include/rtc.h (limited to 'include/rtc.h') diff --git a/include/rtc.h b/include/rtc.h new file mode 100644 index 0000000..15215a9 --- /dev/null +++ b/include/rtc.h @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Generic RTC interface. + */ +#ifndef _RTC_H_ +#define _RTC_H_ + + +/* + * The struct used to pass data from the generic interface code to + * the hardware dependend low-level code ande vice versa. Identical + * to struct rtc_time used by the Linux kernel. + * + * Note that there are small but significant differences to the + * common "struct time": + * + * struct time: struct rtc_time: + * tm_mon 0 ... 11 1 ... 12 + * tm_year years since 1900 years since 0 + */ + +struct rtc_time { + int tm_sec; + int tm_min; + int tm_hour; + int tm_mday; + int tm_mon; + int tm_year; + int tm_wday; + int tm_yday; + int tm_isdst; +}; + +int rtc_get (struct rtc_time *); +int rtc_set (struct rtc_time *); +void rtc_reset (void); + +void GregorianDay (struct rtc_time *); +void to_tm (unsigned long, struct rtc_time *); +unsigned long mktime (unsigned int, unsigned int, unsigned int, + unsigned int, unsigned int, unsigned int); + +#endif /* _RTC_H_ */ -- cgit v1.2.3