apps/recorder/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  * 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 RADIO_H
  20 #define RADIO_H
  21
  22 #ifndef FMRADIO_H
  23 #include "fmradio.h"
  24 #endif
  25
  26 #if CONFIG_TUNER
  27 void radio_load_presets(char *filename);
  28 void radio_init(void);
  29 int radio_screen(void);
  30 void radio_start(void);
  31 void radio_pause(void);
  32 void radio_stop(void);
  33 bool radio_hardware_present(void);
  34 bool in_radio_screen(void);
  35 /* callbacks for the radio settings */
  36 void set_radio_region(int region);
  37 void toggle_mono_mode(bool mono);
  38
  39 #define MAX_FMPRESET_LEN 27
  40
  41 struct fmstation
  42 {
  43     int frequency; /* In Hz */
  44     char name[MAX_FMPRESET_LEN+1];
  45 };
  46
  47 struct fm_region_setting
  48 {
  49     int freq_min;
  50     int freq_max;
  51     int freq_step;
  52 #if (CONFIG_TUNER & TEA5767)
  53     char deemphasis;    /* 0: 50us, 1: 75us */
  54     char band;          /* 0: europe, 1: japan (BL in TEA spec)*/
  55     /* Note: "region" parameter is just for display atm and is not compiled. */
  56     #define FM_REGION_ENTRY(region, fmin, fmax, fstep, deemph, band) \
  57         { fmin, fmax, fstep, deemph, band }
  58 #else
  59     #define FM_REGION_ENTRY(region, fmin, fmax, fstep, deemph, band) \
  60         { fmin, fmax, fstep }
  61 #endif
  62 };
  63
  64 #endif
  65
  66 #endif