apps/alarm_menu.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2003 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 #include "config.h"
  20 #include "options.h"
  21
  22 #include "lcd.h"
  23 #include "font.h"
  24 #include "button.h"
  25 #include "kernel.h"
  26 #include "sprintf.h"
  27 #include <string.h>
  28 #include "settings.h"
  29 #include "power.h"
  30 #include "status.h"
  31 #include "rtc.h"
  32 #include <stdbool.h>
  33
  34 #include "lang.h"
  35 #include "power.h"
  36 #include "alarm_menu.h"
  37 #include "backlight.h"
  38
  39 #ifdef HAVE_ALARM_MOD
  40
  41 bool alarm_screen(void)
  42 {
  43     /* get alarm time from RTC */
  44
  45     int h, m, hour, minute;
  46
  47     rtc_get_alarm(&h, &m);
  48
  49     if (m > 60 || h > 24) {     /* after battery-change RTC-values are out of range */
  50         m = 0;
  51         h = 12;
  52     } else {
  53         m = m / 5 * 5; /* 5 min accuracy should be enough */
  54     }
  55
  56     bool done=false;
  57     char buf[32];
  58
  59     lcd_clear_display();
  60     lcd_puts(0,1, str(LANG_ALARM_MOD_KEYS));
  61
  62     while(!done) {
  63         snprintf(buf, 32, str(LANG_ALARM_MOD_TIME), h, m);
  64         lcd_puts(0,0, buf);
  65         lcd_update();
  66
  67         switch(button_get(true)) {
  68         case BUTTON_PLAY:
  69             /* prevent that an alarm occurs in the shutdown procedure */
  70             /* accept alarms only if they are in 2 minutes or more */
  71             hour = rtc_read(0x03);
  72             hour = ((hour & 0x30) >> 4) * 10 + (hour & 0x0f);
  73             minute = rtc_read(0x02);
  74             minute = ((minute & 0x70) >> 4) * 10 + (minute & 0x0f);
  75             int togo = (m + h * 60 - minute - hour * 60 + 1440) % 1440;
  76             if (togo > 1) {
  77                 lcd_clear_display();
  78                 snprintf(buf, 32, str(LANG_ALARM_MOD_TIME_TO_GO), togo / 60, togo % 60);
  79                 lcd_puts(0,0, buf);
  80                 lcd_update();
  81                 rtc_init();
  82                 rtc_set_alarm(h,m);
  83                 /* in some cases enabling the alarm results in an activated AF flag */
  84                 /* this should not happen, but it does */
  85                 /* if you know why, tell me! */
  86                 /* for now, we try again forever in this case */
  87                 while (rtc_enable_alarm(true)) { /* error occured */
  88                   sleep(HZ / 10);
  89                   rtc_init();
  90                   rtc_set_alarm(h,m);
  91                 }
  92                 sleep(HZ);
  93                 lcd_puts(0,1,str(LANG_ALARM_MOD_SHUTDOWN));
  94                 lcd_update();
  95                 sleep(HZ);
  96                 power_off();
  97             } else {
  98                 lcd_clear_display();
  99                 lcd_puts(0,0,str(LANG_ALARM_MOD_ERROR));
 100                 lcd_update();
 101                 sleep(HZ);
 102                 lcd_clear_display();
 103                 lcd_puts(0,1,str(LANG_ALARM_MOD_KEYS));
 104             }
 105             break;
 106
 107          /* inc(m) */
 108         case BUTTON_RIGHT:
 109         case BUTTON_RIGHT | BUTTON_REPEAT:
 110             m += 5;
 111             if (m == 60) {
 112                 h += 1;
 113                 m = 0;
 114             }
 115             if (h == 24)
 116                 h = 0;
 117             break;
 118
 119          /* dec(m) */
 120          case BUTTON_LEFT:
 121          case BUTTON_LEFT | BUTTON_REPEAT:
 122              m -= 5;
 123              if (m == -5) {
 124                  h -= 1;
 125                  m = 55;
 126              }
 127              if (h == -1)
 128                  h = 23;
 129              break;
 130
 131 #ifdef HAVE_RECORDER_KEYPAD
 132          /* inc(h) */
 133          case BUTTON_UP:
 134          case BUTTON_UP | BUTTON_REPEAT:
 135              h = (h+1) % 24;
 136              break;
 137
 138          /* dec(h) */
 139          case BUTTON_DOWN:
 140          case BUTTON_DOWN | BUTTON_REPEAT:
 141              h = (h+23) % 24;
 142              break;
 143 #endif
 144
 145 #ifdef HAVE_RECORDER_KEYPAD
 146         case BUTTON_OFF:
 147 #else
 148         case BUTTON_STOP:
 149         case BUTTON_MENU:
 150 #endif
 151             done = true;
 152             break;
 153         }
 154     }
 155
 156     return false;
 157 }
 158
 159 #endif /* HAVE_ALARM_MOD */