sleeptimer.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: sleeptimer.c,v 1.7 2003/12/12 13:34:27 bagder Exp $
 *
 * Copyright (C) 2002 Linus Nielsen Feltzing
 *
 * 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 "options.h"

#include "lcd.h"
#include "font.h"
#include "button.h"
#include "kernel.h"
#include "sprintf.h"
#include <string.h>
#include "settings.h"
#include "power.h"
#include "powermgmt.h"
#include "status.h"
#include "debug.h"

#include "lang.h"

#define SMALL_STEP_SIZE 15*60    /* Seconds */
#define LARGE_STEP_SIZE 30*60    /* Seconds */
#define THRESHOLD       60       /* Minutes */
#define MAX_TIME        5*60*60  /* Hours */

bool sleeptimer_screen(void)
{
#ifdef HAVE_LCD_BITMAP
    int w, h;
#endif
    unsigned long seconds;
    int hours, minutes;
    int button;
    bool done = false;
    char buf[32];
    int oldtime, newtime;
    int amount = 0;
    int org_timer=get_sleep_timer();
    bool changed=false;

#ifdef HAVE_LCD_BITMAP
    lcd_setfont(FONT_UI);
    lcd_getstringsize("M", &w, &h);
    lcd_setmargins(w, 8);
#endif
    
    lcd_clear_display();
    lcd_puts_scroll(0, 0, str(LANG_SLEEP_TIMER));

    while(!done)
    {
        button = button_get_w_tmo(HZ);
        switch(button)
        {
#ifdef HAVE_RECORDER_KEYPAD
        case BUTTON_LEFT:
        case BUTTON_PLAY:
#else
        case BUTTON_PLAY:
#endif
          done = true;
          break;

#ifdef HAVE_RECORDER_KEYPAD
        case BUTTON_OFF:
#else
        case BUTTON_STOP:
        case BUTTON_MENU:
#endif
          if (changed) {
            lcd_stop_scroll();
            lcd_puts(0, 0, str(LANG_MENU_SETTING_CANCEL));
            lcd_update();
            set_sleep_timer(org_timer);
            sleep(HZ/2);
          }
          done = true;
          break;

#if defined(HAVE_PLAYER_KEYPAD) || defined(HAVE_NEO_KEYPAD)
        case BUTTON_RIGHT:
#else
        case BUTTON_UP:
#endif
            oldtime = (get_sleep_timer()+59) / 60;
            if(oldtime < THRESHOLD)
                amount = SMALL_STEP_SIZE;
            else
                amount = LARGE_STEP_SIZE;
            
            newtime = oldtime * 60 + amount;
            if(newtime > MAX_TIME)
                newtime = MAX_TIME;

            changed=true;
            set_sleep_timer(newtime);
            break;
                
#ifdef HAVE_PLAYER_KEYPAD
        case BUTTON_LEFT:
#else
        case BUTTON_DOWN:
#endif
            oldtime = (get_sleep_timer()+59) / 60;
            if(oldtime <= THRESHOLD)
                amount = SMALL_STEP_SIZE;
            else
                amount = LARGE_STEP_SIZE;
            
            newtime = oldtime*60 - amount;
            if(newtime < 0)
                newtime = 0;
            
            changed=true;
            set_sleep_timer(newtime);
            break;
        }

        seconds = get_sleep_timer();

        if(seconds)
        {
            seconds += 59; /* Round up for a "friendlier" display */
            hours = seconds / 3600;
            minutes = (seconds - (hours * 3600)) / 60;
            snprintf(buf, 32, "%d:%02d",
                     hours, minutes);
            lcd_puts(0, 1, buf);
        }
        else
        {
            lcd_puts(0, 1, str(LANG_OFF));
        }

        status_draw(true);

        lcd_update();
    }
    lcd_stop_scroll();
    return false;
}