screens.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: screens.c,v 1.41 2004/01/26 17:05:21 hardeeps Exp $
 *
 * Copyright (C) 2002 Bj鰎n Stenberg
 *
 * 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 <stdbool.h>
#include <string.h>
#include <stdio.h>
#include "backlight.h"
#include "button.h"
#include "lcd.h"
#include "lang.h"
#include "icons.h"
#include "font.h"
#include "mpeg.h"
#include "mp3_playback.h"
#include "usb.h"
#include "settings.h"
#include "status.h"
#include "playlist.h"
#include "sprintf.h"
#include "kernel.h"
#include "power.h"
#include "system.h"
#include "powermgmt.h"
#include "adc.h"

#ifdef HAVE_LCD_BITMAP
#define BMPHEIGHT_usb_logo 32
#define BMPWIDTH_usb_logo 100
static unsigned char usb_logo[] = {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x20, 0x10, 0x08,
    0x04, 0x04, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x81, 0x81, 0x81, 0x81,
    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
    0x01, 0x01, 0x01, 0x01, 0xf1, 0x4f, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
    0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0xc0, 
    0x00, 0x00, 0xe0, 0x1c, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
    0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
    0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x06, 0x81, 0xc0, 0xe0, 0xe0, 0xe0, 0xe0,
    0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0x70, 0x38, 0x1c, 0x1c,
    0x0c, 0x0e, 0x0e, 0x06, 0x06, 0x06, 0x06, 0x06, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f,
    0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0xc0, 0xc0, 0x80, 0x80, 0x00, 0x00,
    0x00, 0x00, 0xe0, 0x1f, 0x00, 0xf8, 0x06, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
    0x02, 0x02, 0x02, 0x82, 0x7e, 0x00, 0xc0, 0x3e, 0x01, 
    0x70, 0x4f, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
    0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
    0x40, 0x40, 0x40, 0x40, 0x40, 0x80, 0x00, 0x07, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f,
    0x0f, 0x07, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07, 0x0f,
    0x1f, 0x3f, 0x7b, 0xf3, 0xe3, 0xc3, 0x83, 0x83, 0x83, 0x83, 0xe3, 0xe3, 0xe3,
    0xe3, 0xe3, 0xe3, 0x03, 0x03, 0x03, 0x3f, 0x1f, 0x1f, 0x0f, 0x0f, 0x07, 0x02,
    0xc0, 0x3e, 0x01, 0xe0, 0x9f, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
    0x80, 0x80, 0xf0, 0x0f, 0x80, 0x78, 0x07, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0c, 0x10, 0x20, 0x40, 0x40, 0x80, 0x80,
    0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
    0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x81, 0x81, 0x81, 0x81, 0x87, 0x87, 0x87,
    0x87, 0x87, 0x87, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xf0,
    0x0f, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
    0x04, 0x04, 0x04, 0x04, 0x07, 0x00, 0x00, 0x00, 0x00, 
};
#endif

void usb_display_info(void)
{
    lcd_clear_display();

#ifdef HAVE_LCD_BITMAP
    /* lcd_bitmap() only supports 16 pixels height! */
    lcd_bitmap(usb_logo, 6, 16,
               BMPWIDTH_usb_logo, 8, false);
    lcd_bitmap(usb_logo+BMPWIDTH_usb_logo, 6, 24,
               BMPWIDTH_usb_logo, 8, false);
    lcd_bitmap(usb_logo+BMPWIDTH_usb_logo*2, 6, 32,
               BMPWIDTH_usb_logo, 8, false);
    lcd_bitmap(usb_logo+BMPWIDTH_usb_logo*3, 6, 40,
               BMPWIDTH_usb_logo, 8, false);
    status_draw(true);
    lcd_update();
#else
    lcd_puts(0, 0, "[USB Mode]");
    status_set_param(false);
    status_set_audio(false);
    status_set_usb(true);
    status_draw(false);
#endif
}

void usb_screen(void)
{
#ifdef USB_NONE
    /* nothing here! */
#else
#ifndef SIMULATOR
    backlight_on();
    usb_acknowledge(SYS_USB_CONNECTED_ACK);
    usb_display_info();
    while(usb_wait_for_disconnect_w_tmo(&button_queue, HZ)) {
        if(usb_inserted()) {
            status_draw(false);
        }
    }
#ifdef HAVE_LCD_CHARCELLS
    status_set_usb(false);
#endif

    backlight_on();
#endif
#endif /* USB_NONE */
}


/* some simulator dummies */
#ifdef SIMULATOR
#define BATTERY_SCALE_FACTOR 7000
unsigned short adc_read(int channel)
{
   (void)channel;
   return 100;
}
#endif


#ifdef HAVE_LCD_BITMAP
void charging_display_info(bool animate)
{
    unsigned char charging_logo[36];
    const int pox_x = (LCD_WIDTH - sizeof(charging_logo)) / 2;
    const int pox_y = 32;
    static unsigned phase = 3;
    unsigned i;
    char buf[32];
    (void)buf;

#ifdef NEED_ATA_POWER_BATT_MEASURE
    if (ide_powered()) /* FM and V2 can only measure when ATA power is on */
#endif
    {
        int battery_voltage;
        int batt_int, batt_frac;

        battery_voltage = (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) / 10000;
        batt_int = battery_voltage / 100;
        batt_frac = battery_voltage % 100;

        snprintf(buf, 32, "  Batt: %d.%02dV %d%%  ", batt_int, batt_frac,
                 battery_level());
        lcd_puts(0, 7, buf);
    }

#ifdef HAVE_CHARGE_CTRL

    snprintf(buf, 32, "Charge mode:");
    lcd_puts(0, 2, buf);

    if (charge_state == 1)
        snprintf(buf, 32, str(LANG_BATTERY_CHARGE));
    else if (charge_state == 2)
        snprintf(buf, 32, str(LANG_BATTERY_TOPOFF_CHARGE));
    else if (charge_state == 3)
        snprintf(buf, 32, str(LANG_BATTERY_TRICKLE_CHARGE));
    else
        snprintf(buf, 32, "not charging");

    lcd_puts(0, 3, buf);
    if (charger_enabled)
    {
        backlight_on(); /* using the light gives good indication */
    }
    else
    {
        backlight_off();
        animate = false;
    }
#endif                

    
    /* middle part */
    memset(charging_logo+3, 0x00, 32);
    charging_logo[0] = 0x3C;
    charging_logo[1] = 0x24;
    charging_logo[2] = charging_logo[35] = 0xFF;
    
    if (!animate)
    {   /* draw the outline */
        /* middle part */
        lcd_bitmap(charging_logo, pox_x, pox_y + 8, sizeof(charging_logo), 8, true);
        /* upper line */
        charging_logo[0] = charging_logo[1] = 0x00; 
        memset(charging_logo+2, 0x80, 34);
        lcd_bitmap(charging_logo, pox_x, pox_y, sizeof(charging_logo), 8, false);
        /* lower line */
        memset(charging_logo+2, 0x01, 34);
        lcd_bitmap(charging_logo, pox_x, pox_y + 16, sizeof(charging_logo), 8, false);
    }
    else
    {   /* animate the middle part */
        for (i = 3; i<MIN(sizeof(charging_logo)-1, phase); i++)
        {
            if ((i-phase) % 8 == 0)
            {   /* draw a "bubble" here */
                unsigned bitpos;
                bitpos = (phase + i/8) % 15; /* "bounce" effect */
                if (bitpos > 7) 
                    bitpos = 14 - bitpos;
                charging_logo[i] = 0x01 << bitpos;
            }
        }
        lcd_bitmap(charging_logo, pox_x, pox_y + 8, sizeof(charging_logo), 8, true);
        phase++;
    }
    lcd_update();
}
#else /* not HAVE_LCD_BITMAP */
void charging_display_info(bool animate)
{
    /* ToDo for Player */
    (void)animate;
}
#endif

#ifdef HAVE_BATTERIES
/* blocks while charging, returns on event:
   1 if charger cable was removed
   2 if Off/Stop key was pressed
   3 if On key was pressed
   4 if USB was connected */
int charging_screen(void)
{
    int button;
    int rc = 0;
#ifdef HAVE_RECORDER_KEYPAD
    const int offbutton = BUTTON_OFF;
#else
    const int offbutton = BUTTON_STOP;
#endif

    ide_power_enable(false); /* power down the disk, else would be spinning */

    lcd_clear_display();
    backlight_on();
    status_draw(true);

#ifdef HAVE_LCD_BITMAP
    charging_display_info(false);
#else
    status_set_playmode(STATUS_STOP);
    lcd_puts(0, 1, "[charging]");
#endif
    
    do
    {
        status_draw(false);
        charging_display_info(true);
        button = button_get_w_tmo(HZ/3);
        if (button == (BUTTON_ON | BUTTON_REL))
            rc = 3;
        else if (button == offbutton)
            rc = 2;
        else
        {
            if (usb_detect())
                rc = 4;
            else if (!charger_inserted())
                rc = 1;
        }
    } while (!rc);

    return rc;
}
#endif /* HAVE_BATTERIES */


#ifdef HAVE_RECORDER_KEYPAD
/* returns:
   0 if no key was pressed
   1 if a key was pressed (or if ON was held down long enough to repeat)
   2 if USB was connected */
int on_screen(void)
{
    static int pitch = 1000;
    bool exit = false;
    bool used = false;

    while (!exit) {

        if ( used ) {
            char* ptr;
            char buf[32];
            int w, h;

            lcd_clear_display();
            lcd_setfont(FONT_SYSFIXED);
    
            ptr = str(LANG_PITCH_UP);
            lcd_getstringsize(ptr,&w,&h);
            lcd_putsxy((LCD_WIDTH-w)/2, 0, ptr);
            lcd_bitmap(bitmap_icons_7x8[Icon_UpArrow],
                       LCD_WIDTH/2 - 3, h*2, 7, 8, true);

            snprintf(buf, sizeof buf, "%d.%d%%", pitch / 10, pitch % 10 );
            lcd_getstringsize(buf,&w,&h);
            lcd_putsxy((LCD_WIDTH-w)/2, h, buf);

            ptr = str(LANG_PITCH_DOWN);
            lcd_getstringsize(ptr,&w,&h);
            lcd_putsxy((LCD_WIDTH-w)/2, LCD_HEIGHT - h, ptr);
            lcd_bitmap(bitmap_icons_7x8[Icon_DownArrow],
                       LCD_WIDTH/2 - 3, LCD_HEIGHT - h*3, 7, 8, true);

            ptr = str(LANG_PAUSE);
            lcd_getstringsize(ptr,&w,&h);
            lcd_putsxy((LCD_WIDTH-(w/2))/2, LCD_HEIGHT/2 - h/2, ptr);
            lcd_bitmap(bitmap_icons_7x8[Icon_Pause],
                       (LCD_WIDTH-(w/2))/2-10, LCD_HEIGHT/2 - h/2, 7, 8, true);

            lcd_update();
        }

        /* use lastbutton, so the main loop can decide whether to
           exit to browser or not */
        switch (button_get(true)) {
            case BUTTON_UP:
            case BUTTON_ON | BUTTON_UP:
            case BUTTON_ON | BUTTON_UP | BUTTON_REPEAT:
                used = true;
                pitch++;
                if ( pitch > 2000 )
                    pitch = 2000;
                mpeg_set_pitch(pitch);
                break;

            case BUTTON_DOWN:
            case BUTTON_ON | BUTTON_DOWN:
            case BUTTON_ON | BUTTON_DOWN | BUTTON_REPEAT:
                used = true;
                pitch--;
                if ( pitch < 500 )
                    pitch = 500;
                mpeg_set_pitch(pitch);
                break;

            case BUTTON_ON | BUTTON_PLAY:
                mpeg_pause();
                used = true;
                break;

            case BUTTON_PLAY | BUTTON_REL:
                mpeg_resume();
                used = true;
                break;

            case BUTTON_ON | BUTTON_PLAY | BUTTON_REL:
                mpeg_resume();
                exit = true;
                break;

            case BUTTON_ON | BUTTON_RIGHT:
                if ( pitch < 2000 ) {
                    pitch += 20;
                    mpeg_set_pitch(pitch);
                }
                break;

            case BUTTON_RIGHT | BUTTON_REL:
                if ( pitch > 500 ) {
                    pitch -= 20;
                    mpeg_set_pitch(pitch);
                }
                break;

            case BUTTON_ON | BUTTON_LEFT:
                if ( pitch > 500 ) {
                    pitch -= 20;
                    mpeg_set_pitch(pitch);
                }
                break;

            case BUTTON_LEFT | BUTTON_REL:
                if ( pitch < 2000 ) {
                    pitch += 20;
                    mpeg_set_pitch(pitch);
                }
                break;

#ifdef SIMULATOR
            case BUTTON_ON:
#else
            case BUTTON_ON | BUTTON_REL:
            case BUTTON_ON | BUTTON_UP | BUTTON_REL:
            case BUTTON_ON | BUTTON_DOWN | BUTTON_REL:
#endif
                exit = true;
                break;

            case BUTTON_ON | BUTTON_REPEAT:
                used = true;