firmware/export/rtc.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef _RTC_H_
  20 #define _RTC_H_
  21
  22 #include <stdbool.h>
  23 #include "system.h"
  24 #include "config.h"
  25
  26 #if CONFIG_RTC
  27
  28 /* Common functions for all targets */
  29 void rtc_init(void);
  30 int rtc_read_datetime(unsigned char* buf);
  31 int rtc_write_datetime(unsigned char* buf);
  32
  33 #if CONFIG_RTC == RTC_M41ST84W
  34
  35 /* The RTC in the Archos devices is used for much more than just the clock
  36    data */
  37 int rtc_read(unsigned char address);
  38 int rtc_read_multiple(unsigned char address, unsigned char *buf, int numbytes);
  39 int rtc_write(unsigned char address, unsigned char value);
  40
  41 #endif /* RTC_M41ST84W */
  42
  43 #ifdef HAVE_RTC_ALARM
  44 void rtc_set_alarm(int h, int m);
  45 void rtc_get_alarm(int *h, int *m);
  46 bool rtc_enable_alarm(bool enable);
  47 bool rtc_check_alarm_started(bool release_alarm);
  48 bool rtc_check_alarm_flag(void);
  49 #endif /* HAVE_RTC_ALARM */
  50
  51 #endif /* CONFIG_RTC */
  52
  53 #endif