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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _RTC_H_
#define _RTC_H_
#include <stdbool.h>
#include "system.h"
#include "config.h"
#include "time.h"
/* Macros used to convert to and from BCD, used in various rtc drivers
this is the wrong place but misc.h is in apps... */
#define BCD2DEC(X) (((((X)>>4) & 0x0f) * 10) + ((X) & 0xf))
#define DEC2BCD(X) ((((X)/10)<<4) | ((X)%10))
#if CONFIG_RTC
/* Common functions for all targets */
void rtc_init(void);
int rtc_read_datetime(struct tm *tm);
int rtc_write_datetime(const struct tm *tm);
#if CONFIG_RTC == RTC_M41ST84W
/* The RTC in the Archos devices is used for much more than just the clock
data */
int rtc_read(unsigned char address);
int rtc_read_multiple(unsigned char address, unsigned char *buf, int numbytes);
int rtc_write(unsigned char address, unsigned char value);
#endif /* RTC_M41ST84W */
#ifdef HAVE_RTC_ALARM
void rtc_set_alarm(int h, int m);
void rtc_get_alarm(int *h, int *m);
void rtc_enable_alarm(bool enable);
bool rtc_check_alarm_started(bool release_alarm);
bool rtc_check_alarm_flag(void);
#endif /* HAVE_RTC_ALARM */
#endif /* CONFIG_RTC */
#endif
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