apps/settings.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by wavey@wavey.org
  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
  20 #ifndef __SETTINGS_H__
  21 #define __SETTINGS_H__
  22
  23 #include <stdbool.h>
  24 #include "file.h"
  25
  26 /* data structures */
  27
  28 #define RESUME_OFF 0
  29 #define RESUME_ASK 1
  30 #define RESUME_ON  2
  31
  32 struct user_settings
  33 {
  34     /* audio settings */
  35
  36     int volume;     /* audio output volume:  0-100 0=off   100=max           */
  37     int balance;    /* stereo balance:       0-100 0=left  50=bal 100=right  */
  38     int bass;       /* bass eq:              0-100 0=off   100=max           */
  39     int treble;     /* treble eq:            0-100 0=low   100=high          */
  40     int loudness;   /* loudness eq:          0-100 0=off   100=max           */
  41     int bass_boost; /* bass boost eq:        0-100 0=off   100=max           */
  42     int avc;        /* auto volume correct:  0=disable, 1=2s 2=4s 3=8s       */
  43
  44     /* device settings */
  45
  46     int contrast;   /* lcd contrast:         0-100 0=low 100=high            */
  47     int poweroff;   /* power off timer:      0-100 0=never:each 1% = 60 secs */
  48     int backlight;  /* backlight off timer:  0-100 0=never:each 1% = 10 secs */
  49     bool discharge; /* maintain charge of at least: false = 90%, true = 10%  */
  50
  51     /* resume settings */
  52
  53     int resume;        /* resume option: 0=off, 1=ask, 2=on */
  54     int resume_index;  /* index in playlist (-1 for no active resume) */
  55     int resume_offset; /* byte offset in mp3 file */
  56     int resume_seed;   /* random seed for playlist shuffle */
  57     unsigned char resume_file[MAX_PATH+1]; /* playlist name (or dir) */
  58
  59     /* misc options */
  60
  61     int loop_playlist; /* do we return to top of playlist at end?  */
  62     bool mp3filter;    /* only display mp3/m3u files and dirs in directory? */
  63     bool sort_case;    /* dir sort order: 0=case insensitive, 1=sensitive */
  64     int scroll_speed;  /* long texts scrolling speed: 1-20 */
  65     bool playlist_shuffle;
  66
  67     /* while playing screen settings  */
  68     int wps_display;   /* 0=id3, 1=file, 2=parse */
  69
  70     /* show status bar */
  71     bool statusbar;    /* 0=hide, 1=show */
  72
  73     /* geeky persistent statistics */
  74     unsigned int total_uptime; /* total uptime since rockbox was first booted */
  75
  76     /* FF/Rewind step size (in seconds) */
  77     int ff_rewind;
  78 };
  79
  80 /* prototypes */
  81
  82 int settings_save(void);
  83 void settings_load(void);
  84 void settings_reset(void);
  85 void settings_display(void);
  86
  87 void set_bool(char* string, bool* variable );
  88 void set_option(char* string, int* variable, char* options[], int numoptions );
  89 void set_int(char* string,
  90              char* unit,
  91              int* variable,
  92              void (*function)(int),
  93              int step,
  94              int min,
  95              int max );
  96 void set_time(char* string, int timedate[]);
  97
  98 /* global settings */
  99 extern struct user_settings global_settings;
 100
 101 /* system defines */
 102
 103 #ifdef HAVE_LCD_CHARCELLS
 104 #define MAX_CONTRAST_SETTING        31
 105 #define DEFAULT_CONTRAST_SETTING    30
 106 #else
 107 #define MAX_CONTRAST_SETTING        63
 108 #define DEFAULT_CONTRAST_SETTING    32
 109 #endif
 110 #define MIN_CONTRAST_SETTING        5
 111 #define DEFAULT_POWEROFF_SETTING    0
 112 #define DEFAULT_BACKLIGHT_SETTING   5
 113 #define DEFAULT_WPS_DISPLAY         0
 114 #define DEFAULT_FF_REWIND_SETTING   2
 115
 116 #endif /* __SETTINGS_H__ */