ds3231.h

DS3231 RTC的Linux驱动程序

/*
 *  linux/drivers/i2c/chips/ds3231.h
 *
 *  Copyright (C) 2002-2004 Guangzhou Jinpeng Co., Ltd
 *
 *	based on linux/drivers/acron/char/pcf8583.h
 *  Copyright (C) 2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
struct rtc_tm {
	unsigned char	secs;
	unsigned char	mins;
	unsigned char	hours;
	unsigned char	mday;
	unsigned char	mon;
	unsigned short	year; /* xxxx 4 digits :) */
	unsigned char	wday;
	unsigned char	vl;
};

struct mem {
	unsigned int	loc;
	unsigned int	nr;
	unsigned char	*data;
};

#define RTC_TEMP_READ 	_IOR('t', 0x01, int)