settings_menu.c

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: settings_menu.c,v 1.130 2004/01/26 17:05:21 hardeeps Exp $
 *
 * Copyright (C) 2002 Robert Hak
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "config.h"

#include <stdio.h>
#include <stdbool.h>

#include "lcd.h"
#include "menu.h"
#include "mpeg.h"
#include "button.h"
#include "kernel.h"
#include "thread.h"
#include "sprintf.h"
#include "settings.h"
#include "settings_menu.h"
#include "backlight.h"
#include "playlist.h"           /* for playlist_shuffle */
#include "fat.h"                /* For dotfile settings */
#include "sleeptimer.h"
#include "powermgmt.h"
#include "rtc.h"
#include "ata.h"
#include "tree.h"
#include "screens.h"
#ifdef HAVE_LCD_BITMAP
#include "peakmeter.h"
#endif
#include "lang.h"
#ifdef HAVE_MAS3507D
void dac_line_in(bool enable);
#endif
#ifdef HAVE_ALARM_MOD
#include "alarm_menu.h"
#endif

static bool car_adapter_mode(void)
{
    return set_bool_options( str(LANG_CAR_ADAPTER_MODE),
                             &global_settings.car_adapter_mode,
                             str(LANG_SET_BOOL_YES),
                             str(LANG_SET_BOOL_NO),
                             set_car_adapter_mode);
}

static bool contrast(void)
{
    return set_int( str(LANG_CONTRAST), "", &global_settings.contrast, 
                    lcd_set_contrast, 1, MIN_CONTRAST_SETTING,
                    MAX_CONTRAST_SETTING );
}

static bool caption_backlight(void)
{
    bool rc = set_bool( str(LANG_CAPTION_BACKLIGHT),
                        &global_settings.caption_backlight);

    return rc;
}

/**
 * Menu to set icon visibility
 */
static bool show_icons(void)
{
    return set_bool( str(LANG_SHOW_ICONS), &global_settings.show_icons );
}

#ifdef HAVE_LCD_BITMAP

 /**
 * Menu to set LCD Mode (normal/inverse)
 */
static bool invert(void)
{
     bool rc = set_bool_options(str(LANG_INVERT),
                                &global_settings.invert,
                                str(LANG_INVERT_LCD_INVERSE),
                                str(LANG_INVERT_LCD_NORMAL),
                                lcd_set_invert_display);
     return rc;
}

/**
 * Menu to set Line Selector Type (Pointer/Bar)
 */
static bool invert_cursor(void)
{
        return set_bool_options(str(LANG_INVERT_CURSOR),
                            &global_settings.invert_cursor,
                            str(LANG_INVERT_CURSOR_BAR),
                            str(LANG_INVERT_CURSOR_POINTER),
                            NULL);
}

/**
 * Menu to turn the display+buttons by 180 degrees
 */
static bool flip_display(void)
{
    bool rc = set_bool( str(LANG_FLIP_DISPLAY),
                        &global_settings.flip_display);
    
    button_set_flip(global_settings.flip_display);
    lcd_set_flip(global_settings.flip_display);

    return rc;
}

/**
 * Menu to configure the battery display on status bar
 */
static bool battery_type(void)
{
    char* names[] = { str(LANG_DISPLAY_GRAPHIC), 
                      str(LANG_DISPLAY_NUMERIC)  };

    return set_option( str(LANG_BATTERY_DISPLAY), 
                       &global_settings.battery_type, INT, names, 2, NULL);
}

/**
 * Menu to configure the volume display on status bar
 */
static bool volume_type(void)
{
    char* names[] = { str(LANG_DISPLAY_GRAPHIC), 
                      str(LANG_DISPLAY_NUMERIC) };

    return set_option( str(LANG_VOLUME_DISPLAY), &global_settings.volume_type,
                       INT, names, 2, NULL);
}

#ifdef PM_DEBUG
static bool peak_meter_fps_menu(void) {
    bool retval = false;
    retval = set_int( "Refresh rate", "/s", 
             &peak_meter_fps,
             NULL, 1, 5, 40);
    return retval;
}
#endif /* PM_DEBUG */

/**
 * Menu to set the hold time of normal peaks.
 */
static bool peak_meter_hold(void) {
    bool retval = false;
    char* names[] = { str(LANG_OFF),
                      "200 ms ", "300 ms ", "500 ms ", "1 s ", "2 s ",
                      "3 s ", "4 s ", "5 s ", "6 s ", "7 s",
                      "8 s", "9 s", "10 s", "15 s", "20 s",
                      "30 s", "1 min"
    };
    retval = set_option( str(LANG_PM_PEAK_HOLD),
                         &global_settings.peak_meter_hold, INT, names,
                         18, NULL);

    peak_meter_init_times(global_settings.peak_meter_release,
        global_settings.peak_meter_hold, 
        global_settings.peak_meter_clip_hold);

    return retval;
}

/**
 * Menu to set the hold time of clips.
 */
static bool peak_meter_clip_hold(void) {
    bool retval = false;

    char* names[] = { str(LANG_PM_ETERNAL),
                      "1s ", "2s ", "3s ", "4s ", "5s ",
                      "6s ", "7s ", "8s ", "9s ", "10s",
                      "15s", "20s", "25s", "30s", "45s",
                      "60s", "90s", "2min", "3min", "5min",
                      "10min", "20min", "45min", "90min"
    };

    retval = set_option( str(LANG_PM_CLIP_HOLD), 
                         &global_settings.peak_meter_clip_hold, INT, names,
                         25, peak_meter_set_clip_hold);

    peak_meter_init_times(global_settings.peak_meter_release,
        global_settings.peak_meter_hold, 
        global_settings.peak_meter_clip_hold);

    return retval;
}

/**
 * Menu to set the release time of the peak meter.
 */
static bool peak_meter_release(void)  {
    bool retval = false;

    /* The range of peak_meter_release is restricted so that it
       fits into a 7 bit number. The 8th bit is used for storing
       something else in the rtc ram.
       Also, the max value is 0x7e, since the RTC value 0xff is reserved */
    retval = set_int( str(LANG_PM_RELEASE), str(LANG_PM_UNITS_PER_READ), 
                    &global_settings.peak_meter_release,
             NULL, 1, 1, 0x7e);

    peak_meter_init_times(global_settings.peak_meter_release,
        global_settings.peak_meter_hold, 
        global_settings.peak_meter_clip_hold);

    return retval;
}

/**
 * Menu to select wether the scale of the meter 
 * displays dBfs of linear values.
 */
static bool peak_meter_scale(void) {
    bool retval = false;
    bool use_dbfs = global_settings.peak_meter_dbfs;
    retval = set_bool_options(str(LANG_PM_SCALE), 
        &use_dbfs, 
        str(LANG_PM_DBFS), str(LANG_PM_LINEAR),
        NULL);

    /* has the user really changed the scale? */
    if (use_dbfs != global_settings.peak_meter_dbfs) {

        /* store the change */
        global_settings.peak_meter_dbfs = use_dbfs;
        peak_meter_set_use_dbfs(use_dbfs);

        /* If the user changed the scale mode the meaning of
           peak_meter_min (peak_meter_max) has changed. Thus we have
           to convert the values stored in global_settings. */
        if (use_dbfs) {

            /* we only store -dBfs */
            global_settings.peak_meter_min = -peak_meter_get_min() / 100;
            global_settings.peak_meter_max = -peak_meter_get_max() / 100;
        } else {
            int max;
            
            /* linear percent */
            global_settings.peak_meter_min = peak_meter_get_min();

            /* converting dBfs -> percent results in a precision loss.
               I assume that the user doesn't bother that conversion
               dBfs <-> percent isn't symmetrical for odd values but that
               he wants 0 dBfs == 100%. Thus I 'correct' the percent value
               resulting from dBfs -> percent manually here */
            max = peak_meter_get_max();
            global_settings.peak_meter_max = max < 99 ? max : 100;
        }
        settings_apply_pm_range();
    }
    return retval;
}

/**
 * Adjust the min value of the value range that
 * the peak meter shall visualize.
 */
static bool peak_meter_min(void) {
    bool retval = false;
    if (global_settings.peak_meter_dbfs) {

        /* for dBfs scale */
        int range_max = -global_settings.peak_meter_max;
        int min = -global_settings.peak_meter_min;

        retval =  set_int(str(LANG_PM_MIN), str(LANG_PM_DBFS),
            &min, NULL, 1, -89, range_max);

        global_settings.peak_meter_min = - min;
    } 

    /* for linear scale */
    else {
        int min = global_settings.peak_meter_min;

        retval =  set_int(str(LANG_PM_MIN), "%",
            &min, NULL, 
            1, 0, global_settings.peak_meter_max - 1);

        global_settings.peak_meter_min = (unsigned char)min;
    }

    settings_apply_pm_range();
    return retval;
}


/**
 * Adjust the max value of the value range that
 * the peak meter shall visualize.
 */
static bool peak_meter_max(void) {
    bool retval = false;
    if (global_settings.peak_meter_dbfs) {

        /* for dBfs scale */
        int range_min = -global_settings.peak_meter_min;
        int max = -global_settings.peak_meter_max;;

        retval =  set_int(str(LANG_PM_MAX), str(LANG_PM_DBFS),
            &max, NULL, 1, range_min, 0);

        global_settings.peak_meter_max = - max;

    } 
    
    /* for linear scale */
    else {
        int max = global_settings.peak_meter_max;

        retval =  set_int(str(LANG_PM_MAX), "%",
            &max, NULL, 
            1, global_settings.peak_meter_min + 1, 100);

        global_settings.peak_meter_max = (unsigned char)max;
    }

    settings_apply_pm_range();
    return retval;
}

/**
 * Menu to select wether the meter is in
 * precision or in energy saver mode
 */
static bool peak_meter_performance(void) {
    bool retval = false;
    retval = set_bool_options(str(LANG_PM_PERFORMANCE), 
        &global_settings.peak_meter_performance, 
        str(LANG_PM_HIGH_PERFORMANCE), str(LANG_PM_ENERGY_SAVER),
        NULL);

    if (global_settings.peak_meter_performance) {
        peak_meter_fps = 25;
    } else {
        peak_meter_fps = 20;
    }
    return retval;
}

/**
 * Menu to configure the peak meter
 */
static bool peak_meter_menu(void) 
{
    int m;
    bool result;

    struct menu_items items[] = {
        { str(LANG_PM_RELEASE)  , peak_meter_release   },  
        { str(LANG_PM_PEAK_HOLD), peak_meter_hold      },  
        { str(LANG_PM_CLIP_HOLD), peak_meter_clip_hold },
        { str(LANG_PM_PERFORMANCE), peak_meter_performance },
#ifdef PM_DEBUG
        { "Refresh rate"        , peak_meter_fps_menu  },
#endif
        { str(LANG_PM_SCALE)    , peak_meter_scale     },
        { str(LANG_PM_MIN)      , peak_meter_min       },
        { str(LANG_PM_MAX)      , peak_meter_max       },
    };
    
    m=menu_init( items, sizeof(items) / sizeof(*items) );
    result = menu_run(m);
    menu_exit(m);
    return result;
}
#endif /* HAVE_LCD_BITMAP */