uisimulator/common/fmradio.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Linus Nielsen Feltzing
  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 <stdbool.h>
  22 #include "config.h"
  23 #include "debug.h"
  24 #include "tuner.h"
  25
  26 #if CONFIG_TUNER
  27
  28 static int frequency = 0;
  29 static bool mono = false;
  30
  31 static bool powered = false;
  32
  33 void tuner_init(void)
  34 {
  35 }
  36
  37 int tuner_set(int setting, int value)
  38 {
  39     switch(setting)
  40     {
  41         case RADIO_SLEEP:
  42             break;
  43
  44         case RADIO_FREQUENCY:
  45             frequency = value;
  46             break;
  47
  48         case RADIO_SCAN_FREQUENCY:
  49             frequency = value;
  50             break;
  51
  52         case RADIO_MUTE:
  53             break;
  54
  55         case RADIO_FORCE_MONO:
  56             mono = (value != 0);
  57             break;
  58
  59         default:
  60             return -1;
  61     }
  62
  63     return 1;
  64 }
  65
  66 int tuner_get(int setting)
  67 {
  68     int val = 0;
  69
  70     switch(setting)
  71     {
  72         case RADIO_PRESENT:
  73             val = 1; /* true */
  74             break;
  75
  76         case RADIO_TUNED:
  77             if(frequency == 99500000)
  78                 val = 1;
  79             break;
  80
  81         case RADIO_STEREO:
  82             if(frequency == 99500000)
  83                 val = mono?0:1;
  84             break;
  85
  86         case RADIO_ALL: /* debug query */
  87             break;
  88     }
  89     return val;
  90 }
  91
  92 bool tuner_power(bool status)
  93 {
  94     bool oldstatus = powered;
  95     powered = status;
  96     return oldstatus;
  97 }
  98
  99 #endif