firmware/drivers/rtc/rtc_tcc77x.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 by Dave Chapman
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "config.h"
  22 #include "rtc.h"
  23 #include "system.h"
  24 #include <stdbool.h>
  25
  26 void rtc_init(void)
  27 {
  28 }
  29
  30 int rtc_read_datetime(struct tm *tm)
  31 {
  32     (void)tm;
  33     return 0;
  34 }
  35
  36 int rtc_write_datetime(const struct tm *tm)
  37 {
  38     (void)tm;
  39     return 1;
  40 }
  41
  42 #ifdef HAVE_RTC_ALARM
  43 /**
  44  * Checks to see if an alarm interrupt has triggered since last we checked.
  45  */
  46 bool rtc_check_alarm_flag(void)
  47 {
  48 }
  49
  50 /**
  51  * Enables or disables the alarm.
  52  */
  53 void rtc_enable_alarm(bool enable)
  54 {
  55 }
  56
  57 /**
  58  * Check if alarm caused unit to start.
  59  */
  60 bool rtc_check_alarm_started(bool release_alarm)
  61 {
  62 }
  63
  64 void rtc_set_alarm(int h, int m)
  65 {
  66     /* Convert to BCD */
  67 //    pcf50605_write(0x12, ((m/10) << 4) | m%10);
  68 //    pcf50605_write(0x13, ((h/10) << 4) | h%10);
  69 }
  70
  71 void rtc_get_alarm(int *h, int *m)
  72 {
  73     char buf[2];
  74
  75     /* Convert from BCD */
  76 //    *m = ((buf[0] >> 4) & 0x7)*10 + (buf[0] & 0x0f);
  77 //    *h = ((buf[1] >> 4) & 0x3)*10 + (buf[1] & 0x0f);
  78 }
  79 #endif /* HAVE_RTC_ALARM */
  80
  81