apps/radio/radio.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2003 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 #ifndef RADIO_H
  22 #define RADIO_H
  23
  24 #ifndef FMRADIO_H
  25 #include "fmradio.h"
  26 #endif
  27 #include "screen_access.h"
  28 #include "bmp.h"
  29
  30 enum {
  31     RADIO_SCAN_MODE = 0,
  32     RADIO_PRESET_MODE,
  33 };
  34
  35 #if CONFIG_TUNER
  36 void radio_load_presets(char *filename);
  37 void radio_save_presets(void);
  38 void radio_init(void) INIT_ATTR;
  39 void radio_screen(void);
  40 void radio_start(void);
  41 void radio_pause(void);
  42 void radio_stop(void);
  43 bool radio_hardware_present(void);
  44 bool in_radio_screen(void);
  45
  46 bool radio_scan_mode(void); /* true for scan mode, false for preset mode */
  47 bool radio_is_stereo(void);
  48 int radio_current_frequency(void);
  49 int radio_current_preset(void);
  50 int radio_preset_count(void);
  51 const struct fmstation *radio_get_preset(int preset);
  52
  53 /* callbacks for the radio settings */
  54 void set_radio_region(int region);
  55 void toggle_mono_mode(bool mono);
  56
  57 #define MAX_FMPRESET_LEN 27
  58
  59 struct fmstation
  60 {
  61     int frequency; /* In Hz */
  62     char name[MAX_FMPRESET_LEN+1];
  63 };
  64 const char* radio_get_preset_name(int preset);
  65 void presets_draw_markers(struct screen *screen, int x, int y, int w, int h);
  66
  67 #ifdef HAVE_ALBUMART
  68 void radioart_init(bool entering_screen);
  69 int radio_get_art_hid(struct dim *requested_dim);
  70 #endif
  71
  72 void next_station(int direction);
  73
  74
  75 enum fms_exiting {
  76     FMS_EXIT,
  77     FMS_ENTER
  78 };
  79
  80 /* only radio.c should be using these! */
  81 int fms_do_button_loop(bool update_screen);
  82 struct gui_wps *fms_get(enum screen_type screen);
  83 void fms_fix_displays(enum fms_exiting toggle_state);
  84
  85 #endif /* CONFIG_TUNER */
  86
  87 #endif /* RADIO_H */