apps/debug_menu.c

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Heikki Hannikainen
 *
 * 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 <string.h>
#include "lcd.h"
#include "menu.h"
#include "debug_menu.h"
#include "kernel.h"
#include "sprintf.h"
#include "action.h"
#include "debug.h"
#include "thread.h"
#include "powermgmt.h"
#include "system.h"
#include "font.h"
#include "audio.h"
#include "mp3_playback.h"
#include "settings.h"
#include "dir.h"
#include "panic.h"
#include "screens.h"
#include "misc.h"
#include "splash.h"
#include "dircache.h"
#ifdef HAVE_TAGCACHE
#include "tagcache.h"
#endif
#include "lcd-remote.h"
#include "crc32.h"
#include "logf.h"
#ifndef SIMULATOR
#include "disk.h"
#include "adc.h"
#include "power.h"
#include "usb.h"
#include "rtc.h"
#include "ata.h"
#include "fat.h"
#include "mas.h"
#include "eeprom_24cxx.h"
#ifdef HAVE_MMC
#include "ata_mmc.h"
#endif
#if CONFIG_TUNER
#include "tuner.h"
#include "radio.h"
#endif
#endif

#ifdef HAVE_LCD_BITMAP
#include "scrollbar.h"
#include "peakmeter.h"
#endif
#include "logfdisp.h"
#if CONFIG_CODEC == SWCODEC
#include "pcmbuf.h"
#include "pcm_playback.h"
#if defined(HAVE_SPDIF_OUT) || defined(HAVE_SPDIF_IN)
#include "spdif.h"
#endif
#endif
#ifdef IRIVER_H300_SERIES
#include "pcf50606.h"   /* for pcf50606_read */
#endif
#ifdef IAUDIO_X5
#include "ds2411.h"
#endif

/*---------------------------------------------------*/
/*    SPECIAL DEBUG STUFF                            */
/*---------------------------------------------------*/
extern int ata_device;
extern int ata_io_address;
extern struct core_entry cores[NUM_CORES];

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
static char thread_status_char(int status)
{
    switch (status)
    {
        case STATE_RUNNING      : return 'R';
        case STATE_BLOCKED      : return 'B';
        case STATE_SLEEPING     : return 'S';
        case STATE_BLOCKED_W_TMO: return 'T';
    }

    return '?';
}

/* Test code!!! */
static bool dbg_os(void)
{
    struct thread_entry *thread;
    char buf[32];
    int i;
    int usage;
    int status;
#if NUM_CORES > 1
    unsigned int core;
    int line;
#endif

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
    lcd_clear_display();

    while(1)
    {
#if 0 /* Enable to simulate UI lag. */
        int _x;
        for (_x = 0; _x < 1000000L; _x++) ;
#endif
#if NUM_CORES > 1
        lcd_puts(0, 0, "Core and stack usage:");
        line = 0;
        for(core = 0; core < NUM_CORES; core++)
        {
            for(i = 0; i < MAXTHREADS; i++)
            {
                thread = &cores[core].threads[i];
                if (thread->name == NULL)
                    continue;

                usage = thread_stack_usage(thread);
                status = thread_get_status(thread);

# ifdef HAVE_PRIORITY_SCHEDULING
                snprintf(buf, 32, "(%d) %c%c %d %s: %d%%", core,
                         (status == STATE_RUNNING) ? '*' : ' ',
                         thread_status_char(status),
                         cores[CURRENT_CORE].threads[i].priority,
                         cores[core].threads[i].name, usage);
# else
                snprintf(buf, 32, "(%d) %c%c %s: %d%%", core,
                         (status == STATE_RUNNING) ? '*' : ' ',
                         thread_status_char(status),
                         cores[core].threads[i].name, usage);
# endif
                lcd_puts(0, ++line, buf);
            }
        }
#else
        lcd_puts(0, 0, "Stack usage:");
        for(i = 0; i < MAXTHREADS; i++)
        {
            thread = &cores[CURRENT_CORE].threads[i];
            if (thread->name == NULL)
                continue;

            usage = thread_stack_usage(thread);
            status = thread_get_status(thread);
# ifdef HAVE_PRIORITY_SCHEDULING
            snprintf(buf, 32, "%c%c %d %s: %d%%",
                     (status == STATE_RUNNING) ? '*' : ' ',
                     thread_status_char(status),
                     cores[CURRENT_CORE].threads[i].priority,
                     cores[CURRENT_CORE].threads[i].name, usage);
# else
            snprintf(buf, 32, "%c%c %s: %d%%",
                     (status == STATE_RUNNING) ? '*' : ' ',
                     thread_status_char(status),
                     cores[CURRENT_CORE].threads[i].name, usage);
# endif
            lcd_puts(0, 1+i, buf);
        }
#endif

        lcd_update();

        if (action_userabort(HZ/10))
            return false;
    }
    return false;
}
#else /* !HAVE_LCD_BITMAP */
static bool dbg_os(void)
{
    char buf[32];
    int button;
    int usage;
    int currval = 0;

    lcd_clear_display();

    while(1)
    {
        lcd_puts(0, 0, "Stack usage");

        /* Only Archos Player uses this - so assume a single core */
        usage = thread_stack_usage(&cores[CPU].threads[currval]);
        snprintf(buf, 32, "%d: %d%%  ", currval, usage);
        lcd_puts(0, 1, buf);

        button = get_action(CONTEXT_SETTINGS,HZ/10);

        switch(button)
        {
        case ACTION_STD_CANCEL:
            action_signalscreenchange();
            return false;

        case ACTION_SETTINGS_DEC:
            currval--;
            if(currval < 0)
                currval = MAXTHREADS-1;
            break;

        case ACTION_SETTINGS_INC:
            currval++;
            if(currval > MAXTHREADS-1)
                currval = 0;
            break;
        }
    }
    return false;
}
#endif /* !HAVE_LCD_BITMAP */
#endif /* !SIMULATOR */
#ifdef HAVE_LCD_BITMAP
#if CONFIG_CODEC != SWCODEC
#ifndef SIMULATOR
static bool dbg_audio_thread(void)
{
    char buf[32];
    struct audio_debug d;

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);

    while(1)
    {
        if (action_userabort(HZ/5))
            return false;

        audio_get_debugdata(&d);

        lcd_clear_display();

        snprintf(buf, sizeof(buf), "read: %x", d.audiobuf_read);
        lcd_puts(0, 0, buf);
        snprintf(buf, sizeof(buf), "write: %x", d.audiobuf_write);
        lcd_puts(0, 1, buf);
        snprintf(buf, sizeof(buf), "swap: %x", d.audiobuf_swapwrite);
        lcd_puts(0, 2, buf);
        snprintf(buf, sizeof(buf), "playing: %d", d.playing);
        lcd_puts(0, 3, buf);
        snprintf(buf, sizeof(buf), "playable: %x", d.playable_space);
        lcd_puts(0, 4, buf);
        snprintf(buf, sizeof(buf), "unswapped: %x", d.unswapped_space);
        lcd_puts(0, 5, buf);

        /* Playable space left */
        gui_scrollbar_draw(&screens[SCREEN_MAIN],0, 6*8, 112, 4, d.audiobuflen, 0,
                  d.playable_space, HORIZONTAL);

        /* Show the watermark limit */
        gui_scrollbar_draw(&screens[SCREEN_MAIN],0, 6*8+4, 112, 4, d.audiobuflen, 0,
                  d.low_watermark_level, HORIZONTAL);

        snprintf(buf, sizeof(buf), "wm: %x - %x",
                 d.low_watermark_level, d.lowest_watermark_level);
        lcd_puts(0, 7, buf);

        lcd_update();
    }
    return false;
}
#endif /* !SIMULATOR */
#else /* CONFIG_CODEC == SWCODEC */
extern size_t filebuflen;
/* This is a size_t, but call it a long so it puts a - when it's bad. */

static unsigned int ticks, boost_ticks;

static void dbg_audio_task(void)
{
#ifndef SIMULATOR
    if(FREQ > CPUFREQ_NORMAL)
        boost_ticks++;
#endif

    ticks++;
}

static bool dbg_audio_thread(void)
{
    char buf[32];
    int button;
    int line;
    bool done = false;
    size_t bufused;
    size_t bufsize = pcmbuf_get_bufsize();
    int pcmbufdescs = pcmbuf_descs();

    ticks = boost_ticks = 0;

    tick_add_task(dbg_audio_task);

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
    while(!done)
    {
        button = get_action(CONTEXT_STD,HZ/5);
        switch(button)
        {
            case ACTION_STD_NEXT:
                audio_next();
                break;
            case ACTION_STD_PREV:
                audio_prev();
                break;
            case ACTION_STD_CANCEL:
                done = true;
                break;
        }
        action_signalscreenchange();
        line = 0;

        lcd_clear_display();

        bufused = bufsize - pcmbuf_free();

        snprintf(buf, sizeof(buf), "pcm: %7ld/%7ld", (long) bufused, (long) bufsize);
        lcd_puts(0, line++, buf);

        /* Playable space left */
        gui_scrollbar_draw(&screens[SCREEN_MAIN],0, line*8, LCD_WIDTH, 6, bufsize, 0, bufused, HORIZONTAL);
        line++;

        snprintf(buf, sizeof(buf), "codec: %8ld/%8ld", audio_filebufused(), (long) filebuflen);
        lcd_puts(0, line++, buf);

        /* Playable space left */
        gui_scrollbar_draw(&screens[SCREEN_MAIN],0, line*8, LCD_WIDTH, 6, filebuflen, 0,
                  audio_filebufused(), HORIZONTAL);
        line++;

        snprintf(buf, sizeof(buf), "track count: %2d", audio_track_count());
        lcd_puts(0, line++, buf);

#ifndef SIMULATOR
        snprintf(buf, sizeof(buf), "cpu freq: %3dMHz",
                 (int)((FREQ + 500000) / 1000000));
        lcd_puts(0, line++, buf);
#endif

        snprintf(buf, sizeof(buf), "boost ratio: %3d%%",
                 boost_ticks * 100 / ticks);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "pcmbufdesc: %2d/%2d",
                pcmbuf_used_descs(), pcmbufdescs);
        lcd_puts(0, line++, buf);

        lcd_update();
    }

    tick_remove_task(dbg_audio_task);

    return false;
}
#endif /* CONFIG_CODEC */
#endif /* HAVE_LCD_BITMAP */


#if (CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE)) && !defined(SIMULATOR)
/* Tool function to read the flash manufacturer and type, if available.
   Only chips which could be reprogrammed in system will return values.
   (The mode switch addresses vary between flash manufacturers, hence addr1/2) */
   /* In IRAM to avoid problems when running directly from Flash */
static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
                         unsigned addr1, unsigned addr2)
                         ICODE_ATTR __attribute__((noinline));
static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
                         unsigned addr1, unsigned addr2)

{
    unsigned not_manu, not_id; /* read values before switching to ID mode */
    unsigned manu, id; /* read values when in ID mode */

#if CONFIG_CPU == SH7034
    volatile unsigned char* flash = (unsigned char*)0x2000000; /* flash mapping */
#elif defined(CPU_COLDFIRE)
    volatile unsigned short* flash = (unsigned short*)0; /* flash mapping */
#endif
    int old_level; /* saved interrupt level */

    not_manu = flash[0]; /* read the normal content */
    not_id   = flash[1]; /* should be 'A' (0x41) and 'R' (0x52) from the "ARCH" marker */

    /* disable interrupts, prevent any stray flash access */
    old_level = set_irq_level(HIGHEST_IRQ_LEVEL);

    flash[addr1] = 0xAA; /* enter command mode */
    flash[addr2] = 0x55;
    flash[addr1] = 0x90; /* ID command */
    /* Atmel wants 20ms pause here */
    /* sleep(HZ/50); no sleeping possible while interrupts are disabled */

    manu = flash[0]; /* read the IDs */
    id   = flash[1];

    flash[0] = 0xF0; /* reset flash (back to normal read mode) */
    /* Atmel wants 20ms pause here */
    /* sleep(HZ/50); no sleeping possible while interrupts are disabled */

    set_irq_level(old_level); /* enable interrupts again */

    /* I assume success if the obtained values are different from
        the normal flash content. This is not perfectly bulletproof, they
        could theoretically be the same by chance, causing us to fail. */
    if (not_manu != manu || not_id != id) /* a value has changed */
    {
        *p_manufacturer = manu; /* return the results */
        *p_device = id;
        return true; /* success */
    }
    return false; /* fail */
}
#endif /* (CONFIG_CPU == SH7034 || CPU_COLDFIRE) && !SIMULATOR */

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
static bool dbg_hw_info(void)
{
#if CONFIG_CPU == SH7034
    char buf[32];
    int usb_polarity;
    int pr_polarity;
    int bitmask = *(unsigned short*)0x20000fc;
    int rom_version = *(unsigned short*)0x20000fe;
    unsigned manu, id; /* flash IDs */
    bool got_id; /* flag if we managed to get the flash IDs */
    unsigned rom_crc = 0xffffffff; /* CRC32 of the boot ROM */
    bool has_bootrom; /* flag for boot ROM present */
    int oldmode;  /* saved memory guard mode */

#ifdef USB_ENABLE_ONDIOSTYLE
    if(PADRL & 0x20)
#else
    if(PADRH & 0x04)
#endif
        usb_polarity = 0; /* Negative */
    else
        usb_polarity = 1; /* Positive */

    if(PADRH & 0x08)
        pr_polarity = 0; /* Negative */
    else
        pr_polarity = 1; /* Positive */

    oldmode = system_memory_guard(MEMGUARD_NONE);  /* disable memory guard */

    /* get flash ROM type */
    got_id = dbg_flash_id(&manu, &id, 0x5555, 0x2AAA); /* try SST, Atmel, NexFlash */
    if (!got_id)
        got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */

    /* check if the boot ROM area is a flash mirror */
    has_bootrom = (memcmp((char*)0, (char*)0x02000000, 64*1024) != 0);
    if (has_bootrom)  /* if ROM and Flash different */
    {
        /* calculate CRC16 checksum of boot ROM */
        rom_crc = crc_32((unsigned char*)0x0000, 64*1024, 0xffffffff);
    }

    system_memory_guard(oldmode);  /* re-enable memory guard */

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
    lcd_clear_display();

    lcd_puts(0, 0, "[Hardware info]");

    snprintf(buf, 32, "ROM: %d.%02d", rom_version/100, rom_version%100);
    lcd_puts(0, 1, buf);

    snprintf(buf, 32, "Mask: 0x%04x", bitmask);
    lcd_puts(0, 2, buf);

    snprintf(buf, 32, "USB: %s", usb_polarity?"positive":"negative");
    lcd_puts(0, 3, buf);

    snprintf(buf, 32, "PR: %s", pr_polarity?"positive":"negative");
    lcd_puts(0, 4, buf);

    if (got_id)
        snprintf(buf, 32, "Flash: M=%02x D=%02x", manu, id);
    else
        snprintf(buf, 32, "Flash: M=?? D=??"); /* unknown, sorry */
    lcd_puts(0, 5, buf);

    if (has_bootrom)
    {
        if (rom_crc == 0x56DBA4EE) /* known Version 1 */
            snprintf(buf, 32, "Boot ROM: V1");
        else
            snprintf(buf, 32, "ROMcrc: 0x%08x", rom_crc);
    }
    else
    {
        snprintf(buf, 32, "Boot ROM: none");
    }
    lcd_puts(0, 6, buf);

#ifndef HAVE_MMC /* have ATA */
    snprintf(buf, 32, "ATA: 0x%x,%s", ata_io_address,
             ata_device ? "slave":"master");
    lcd_puts(0, 7, buf);
#endif
    lcd_update();

    while(1)
    {
        if (action_userabort(TIMEOUT_BLOCK))
            return false;
    }
#elif CONFIG_CPU == MCF5249 || CONFIG_CPU == MCF5250
    char buf[32];
    unsigned manu, id; /* flash IDs */
    int got_id; /* flag if we managed to get the flash IDs */
    int oldmode;  /* saved memory guard mode */
    int line = 0;

    oldmode = system_memory_guard(MEMGUARD_NONE);  /* disable memory guard */

    /* get flash ROM type */
    got_id = dbg_flash_id(&manu, &id, 0x5555, 0x2AAA); /* try SST, Atmel, NexFlash */
    if (!got_id)
        got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */

    system_memory_guard(oldmode);  /* re-enable memory guard */

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
    lcd_clear_display();

    lcd_puts(0, line++, "[Hardware info]");

    if (got_id)
        snprintf(buf, 32, "Flash: M=%04x D=%04x", manu, id);
    else
        snprintf(buf, 32, "Flash: M=???? D=????"); /* unknown, sorry */
    lcd_puts(0, line++, buf);

#ifdef IAUDIO_X5
    {
        struct ds2411_id id;

        lcd_puts(0, ++line, "Serial Number:");

        got_id = ds2411_read_id(&id);

        if (got_id == DS2411_OK)
        {
            snprintf(buf, 32, "  FC=%02x", (unsigned)id.family_code);
            lcd_puts(0, ++line, buf);
            snprintf(buf, 32, "  ID=%02X %02X %02X %02X %02X %02X",
                (unsigned)id.uid[0], (unsigned)id.uid[1], (unsigned)id.uid[2],
                (unsigned)id.uid[3], (unsigned)id.uid[4], (unsigned)id.uid[5]);
            lcd_puts(0, ++line, buf);
            snprintf(buf, 32, "  CRC=%02X", (unsigned)id.crc);
        }
        else
        {
            snprintf(buf, 32, "READ ERR=%d", got_id);
        }

        lcd_puts(0, ++line, buf);
    }
#endif

    lcd_update();

    while(1)
    {
        if (action_userabort(TIMEOUT_BLOCK))
            return false;
    }
#elif CONFIG_CPU == PP5020
    char buf[32];
    char pp_version[] = { (PP_VER2 >> 24) & 0xff, (PP_VER2 >> 16) & 0xff,
                          (PP_VER2 >> 8) & 0xff, (PP_VER2) & 0xff,
                          (PP_VER1 >> 24) & 0xff, (PP_VER1 >> 16) & 0xff,
                          (PP_VER1 >> 8) & 0xff, (PP_VER1) & 0xff, '\0' };
                          
    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
    lcd_clear_display();

    lcd_puts(0, 0, "[Hardware info]");

    snprintf(buf, sizeof(buf), "HW rev: 0x%08x", ipod_hw_rev);
    lcd_puts(0, 1, buf);

    snprintf(buf, sizeof(buf), "PP version: %s", pp_version);
    lcd_puts(0, 2, buf);
    lcd_update();

    while(1)
    {
        if (action_userabort(TIMEOUT_BLOCK))
            return false;
    }
#endif /* CONFIG_CPU */
    return false;
}
#else /* !HAVE_LCD_BITMAP */
static bool dbg_hw_info(void)
{
    char buf[32];
    int button;
    int currval = 0;
    int usb_polarity;
    int bitmask = *(unsigned short*)0x20000fc;
    int rom_version = *(unsigned short*)0x20000fe;
    unsigned manu, id; /* flash IDs */
    bool got_id; /* flag if we managed to get the flash IDs */
    unsigned rom_crc = 0xffffffff; /* CRC32 of the boot ROM */
    bool has_bootrom; /* flag for boot ROM present */
    int oldmode;  /* saved memory guard mode */

    if(PADRH & 0x04)
        usb_polarity = 0; /* Negative */
    else
        usb_polarity = 1; /* Positive */

    oldmode = system_memory_guard(MEMGUARD_NONE);  /* disable memory guard */

    /* get flash ROM type */
    got_id = dbg_flash_id(&manu, &id, 0x5555, 0x2AAA); /* try SST, Atmel, NexFlash */
    if (!got_id)
        got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */

    /* check if the boot ROM area is a flash mirror */
    has_bootrom = (memcmp((char*)0, (char*)0x02000000, 64*1024) != 0);
    if (has_bootrom)  /* if ROM and Flash different */
    {
        /* calculate CRC16 checksum of boot ROM */
        rom_crc = crc_32((unsigned char*)0x0000, 64*1024, 0xffffffff);
    }

    system_memory_guard(oldmode);  /* re-enable memory guard */

    lcd_clear_display();

    lcd_puts(0, 0, "[HW Info]");
    while(1)
    {
        switch(currval)
        {
            case 0:
                snprintf(buf, 32, "ROM: %d.%02d",
                         rom_version/100, rom_version%100);
                break;
            case 1:
                snprintf(buf, 32, "USB: %s",
                         usb_polarity?"pos":"neg");
                break;
            case 2:
                snprintf(buf, 32, "ATA: 0x%x%s",
                         ata_io_address, ata_device ? "s":"m");
                break;
            case 3:
                snprintf(buf, 32, "Mask: %04x", bitmask);
                break;
            case 4:
                if (got_id)
                    snprintf(buf, 32, "Flash:%02x,%02x", manu, id);
                else
                    snprintf(buf, 32, "Flash:??,??"); /* unknown, sorry */
                break;
            case 5:
                if (has_bootrom)
                {
                    if (rom_crc == 0x56DBA4EE) /* known Version 1 */
                        snprintf(buf, 32, "BootROM: V1");
                    else if (rom_crc == 0x358099E8)
                        snprintf(buf, 32, "BootROM: V2");
                        /* alternative boot ROM found in one single player so far */
                    else
                        snprintf(buf, 32, "R: %08x", rom_crc);
                }
                else
                    snprintf(buf, 32, "BootROM: no");
        }

        lcd_puts(0, 1, buf);
        lcd_update();

        button = get_action(CONTEXT_SETTINGS,TIMEOUT_BLOCK);

        switch(button)
        {
            case ACTION_STD_CANCEL:
                action_signalscreenchange();
                return false;

            case ACTION_SETTINGS_DEC:
                currval--;
                if(currval < 0)
                    currval = 5;
                break;

            case ACTION_SETTINGS_INC:
                currval++;
                if(currval > 5)
                    currval = 0;
                break;
        }
    }
    return false;
}
#endif /* !HAVE_LCD_BITMAP */
#endif /* !SIMULATOR */

#ifndef SIMULATOR
bool dbg_partitions(void)
{
    int partition=0;

    lcd_clear_display();
    lcd_puts(0, 0, "Partition");
    lcd_puts(0, 1, "list");
    lcd_update();
    sleep(HZ/2);

    while(1)
    {
        char buf[32];
        int button;
        struct partinfo* p = disk_partinfo(partition);

        lcd_clear_display();
        snprintf(buf, sizeof buf, "P%d: S:%lx", partition, p->start);
        lcd_puts(0, 0, buf);
        snprintf(buf, sizeof buf, "T:%x %ld MB", p->type, p->size / 2048);
        lcd_puts(0, 1, buf);
        lcd_update();

        button = get_action(CONTEXT_SETTINGS,TIMEOUT_BLOCK);

        switch(button)
        {
            case ACTION_STD_CANCEL:
                action_signalscreenchange();
                return false;

            case ACTION_SETTINGS_DEC:
                partition--;
                if (partition < 0)
                    partition = 3;
                break;

            case ACTION_SETTINGS_INC:
                partition++;
                if (partition > 3)
                    partition = 0;
                break;

            default:
                if(default_event_handler(button) == SYS_USB_CONNECTED)
                    return true;
                break;
        }
    }
    return false;
}
#endif

#if defined(CPU_COLDFIRE) && defined(HAVE_SPDIF_OUT)
static bool dbg_spdif(void)
{
    char buf[128];
    int line;
    unsigned int control;
    int x;
    char *s;
    int category;
    int generation;
    unsigned int interruptstat;
    bool valnogood, symbolerr, parityerr;
    bool done = false;
    bool spdif_src_on;
    int spdif_source = spdif_get_output_source(&spdif_src_on);
    spdif_set_output_source(AUDIO_SRC_SPDIF, true);

    lcd_setmargins(0, 0);
    lcd_clear_display();
    lcd_setfont(FONT_SYSFIXED);

#ifdef HAVE_SPDIF_POWER
    spdif_power_enable(true); /* We need SPDIF power for both sending & receiving */
#endif

    while (!done)
    {
        line = 0;

        control = EBU1RCVCCHANNEL1;
        interruptstat = INTERRUPTSTAT;
        INTERRUPTCLEAR = 0x03c00000;

        valnogood = (interruptstat & 0x01000000)?true:false;
        symbolerr = (interruptstat & 0x00800000)?true:false;
        parityerr = (interruptstat & 0x00400000)?true:false;

        snprintf(buf, sizeof(buf), "Val: %s Sym: %s Par: %s",
                 valnogood?"--":"OK",
                 symbolerr?"--":"OK",
                 parityerr?"--":"OK");
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Status word: %08x", (int)control);
        lcd_puts(0, line++, buf);

        line++;

        x = control >> 31;
        snprintf(buf, sizeof(buf), "PRO: %d (%s)",
                 x, x?"Professional":"Consumer");
        lcd_puts(0, line++, buf);

        x = (control >> 30) & 1;
        snprintf(buf, sizeof(buf), "Audio: %d (%s)",
                 x, x?"Non-PCM":"PCM");
        lcd_puts(0, line++, buf);

        x = (control >> 29) & 1;
        snprintf(buf, sizeof(buf), "Copy: %d (%s)",
                 x, x?"Permitted":"Inhibited");
        lcd_puts(0, line++, buf);

        x = (control >> 27) & 7;
        switch(x)
        {
        case 0:
            s = "None";
            break;
        case 1:
            s = "50/15us";
            break;
        default:
            s = "Reserved";
            break;
        }
        snprintf(buf, sizeof(buf), "Preemphasis: %d (%s)", x, s);
        lcd_puts(0, line++, buf);

        x = (control >> 24) & 3;
        snprintf(buf, sizeof(buf), "Mode: %d", x);
        lcd_puts(0, line++, buf);

        category = (control >> 17) & 127;
        switch(category)
        {
        case 0x00:
            s = "General";
            break;
        case 0x40:
            s = "Audio CD";
            break;
        default:
            s = "Unknown";
        }
        snprintf(buf, sizeof(buf), "Category: 0x%02x (%s)", category, s);
        lcd_puts(0, line++, buf);

        x = (control >> 16) & 1;
        generation = x;
        if(((category & 0x70) == 0x10) ||
           ((category & 0x70) == 0x40) ||
           ((category & 0x78) == 0x38))
        {
            generation = !generation;
        }
        snprintf(buf, sizeof(buf), "Generation: %d (%s)",
                 x, generation?"Original":"No ind.");
        lcd_puts(0, line++, buf);

        x = (control >> 12) & 15;
        snprintf(buf, sizeof(buf), "Source: %d", x);
        lcd_puts(0, line++, buf);

        x = (control >> 8) & 15;
        switch(x)
        {
        case 0:
            s = "Unspecified";
            break;
        case 8:
            s = "A (Left)";
            break;
        case 4:
            s = "B (Right)";
            break;
        default:
            s = "";
            break;
        }
        snprintf(buf, sizeof(buf), "Channel: %d (%s)", x, s);
        lcd_puts(0, line++, buf);

        x = (control >> 4) & 15;
        switch(x)
        {
        case 0:
            s = "44.1kHz";
            break;
        case 0x4:
            s = "48kHz";
            break;
        case 0xc:
            s = "32kHz";
            break;
        }
        snprintf(buf, sizeof(buf), "Frequency: %d (%s)", x, s);
        lcd_puts(0, line++, buf);

        x = (control >> 2) & 3;
        snprintf(buf, sizeof(buf), "Clock accuracy: %d", x);
        lcd_puts(0, line++, buf);
        line++;

#ifndef SIMULATOR
        snprintf(buf, sizeof(buf), "Measured freq: %ldHz",
                 spdif_measure_frequency());
        lcd_puts(0, line++, buf);
#endif

        lcd_update();

        if (action_userabort(HZ/10))
            break;
    }

    spdif_set_output_source(spdif_source, spdif_src_on);

#ifdef HAVE_SPDIF_POWER
    spdif_power_enable(global_settings.spdif_enable);
#endif

    return false;
}
#endif /* CPU_COLDFIRE */

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
 /* button definitions */
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
   (CONFIG_KEYPAD == IRIVER_H300_PAD)
#   define DEBUG_CANCEL  BUTTON_OFF

#elif CONFIG_KEYPAD == RECORDER_PAD
#   define DEBUG_CANCEL  BUTTON_OFF

#elif CONFIG_KEYPAD == ONDIO_PAD
#   define DEBUG_CANCEL  BUTTON_MENU

#elif (CONFIG_KEYPAD == IPOD_3G_PAD) || \
    (CONFIG_KEYPAD == IPOD_4G_PAD)
#   define DEBUG_CANCEL  BUTTON_MENU

#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
#   define DEBUG_CANCEL  BUTTON_PLAY

#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
#   define DEBUG_CANCEL  BUTTON_REC

#elif CONFIG_KEYPAD == GIGABEAT_PAD
#   define DEBUG_CANCEL  BUTTON_A

#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#   define DEBUG_CANCEL  BUTTON_REW

#elif CONFIG_KEYPAD == SANSA_E200_PAD
#   define DEBUG_CANCEL  BUTTON_LEFT
#endif /* key definitios */

/* Test code!!! */
bool dbg_ports(void)
{
#if CONFIG_CPU == SH7034
    unsigned short porta;
    unsigned short portb;
    unsigned char portc;
    char buf[32];
    int adc_battery_voltage, adc_battery_level;

    lcd_setfont(FONT_SYSFIXED);
    lcd_setmargins(0, 0);
    lcd_clear_display();

    while(1)
    {
        porta = PADR;
        portb = PBDR;
        portc = PCDR;

        snprintf(buf, 32, "PADR: %04x", porta);
        lcd_puts(0, 0, buf);
        snprintf(buf, 32, "PBDR: %04x", portb);
        lcd_puts(0, 1, buf);

        snprintf(buf, 32, "AN0: %03x AN4: %03x", adc_read(0), adc_read(4));
        lcd_puts(0, 2, buf);
        snprintf(buf, 32, "AN1: %03x AN5: %03x", adc_read(1), adc_read(5));
        lcd_puts(0, 3, buf);
        snprintf(buf, 32, "AN2: %03x AN6: %03x", adc_read(2), adc_read(6));
        lcd_puts(0, 4, buf);
        snprintf(buf, 32, "AN3: %03x AN7: %03x", adc_read(3), adc_read(7));
        lcd_puts(0, 5, buf);

        battery_read_info(NULL, &adc_battery_voltage,
                          &adc_battery_level);
        snprintf(buf, 32, "Batt: %d.%02dV %d%%  ", adc_battery_voltage / 100,
                 adc_battery_voltage % 100, adc_battery_level);
        lcd_puts(0, 6, buf);
#ifndef HAVE_MMC /* have ATA */
        snprintf(buf, 32, "ATA: %s, 0x%x",
                 ata_device?"slave":"master", ata_io_address);
        lcd_puts(0, 7, buf);
#endif
        lcd_update();
        if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
            return false;
    }
#elif defined(CPU_COLDFIRE)
    unsigned int gpio_out;
    unsigned int gpio1_out;
    unsigned int gpio_read;
    unsigned int gpio1_read;
    unsigned int gpio_function;
    unsigned int gpio1_function;
    unsigned int gpio_enable;
    unsigned int gpio1_enable;
    int adc_buttons, adc_remote;
    int adc_battery, adc_battery_voltage, adc_battery_level;
    char buf[128];
    int line;

    lcd_setmargins(0, 0);
    lcd_clear_display();
    lcd_setfont(FONT_SYSFIXED);

    while(1)
    {
        line = 0;
        gpio_read = GPIO_READ;
        gpio1_read = GPIO1_READ;
        gpio_out = GPIO_OUT;
        gpio1_out = GPIO1_OUT;
        gpio_function = GPIO_FUNCTION;
        gpio1_function = GPIO1_FUNCTION;
        gpio_enable = GPIO_ENABLE;
        gpio1_enable = GPIO1_ENABLE;

        snprintf(buf, sizeof(buf), "GPIO_READ:     %08x", gpio_read);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_OUT:      %08x", gpio_out);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_FUNCTION: %08x", gpio_function);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_ENABLE:   %08x", gpio_enable);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "GPIO1_READ:     %08x", gpio1_read);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO1_OUT:      %08x", gpio1_out);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO1_FUNCTION: %08x", gpio1_function);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO1_ENABLE:   %08x", gpio1_enable);
        lcd_puts(0, line++, buf);

        adc_buttons = adc_read(ADC_BUTTONS);
        adc_remote  = adc_read(ADC_REMOTE);
        battery_read_info(&adc_battery, &adc_battery_voltage,
                          &adc_battery_level);
#if defined(IAUDIO_X5) ||  defined(IAUDIO_M5) || defined(IRIVER_H300_SERIES)
        snprintf(buf, sizeof(buf), "ADC_BUTTONS (%c): %02x",
            button_scan_enabled() ? '+' : '-', adc_buttons);
#else
        snprintf(buf, sizeof(buf), "ADC_BUTTONS: %02x", adc_buttons);
#endif
        lcd_puts(0, line++, buf);
#if defined(IAUDIO_X5) || defined(IAUDIO_M5)
        snprintf(buf, sizeof(buf), "ADC_REMOTE  (%c): %02x",
            remote_detect() ? '+' : '-', adc_remote);
#else
        snprintf(buf, sizeof(buf), "ADC_REMOTE:  %02x", adc_remote);
#endif

        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_BATTERY: %02x", adc_battery);
        lcd_puts(0, line++, buf);
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
        snprintf(buf, sizeof(buf), "ADC_REMOTEDETECT: %02x",
                 adc_read(ADC_REMOTEDETECT));
        lcd_puts(0, line++, buf);
#endif

        snprintf(buf, 32, "Batt: %d.%02dV %d%%  ", adc_battery_voltage / 100,
                 adc_battery_voltage % 100, adc_battery_level);
        lcd_puts(0, line++, buf);

#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
        snprintf(buf, sizeof(buf), "remotetype:: %d", remote_type());
        lcd_puts(0, line++, buf);
#endif

        lcd_update();
        if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
            return false;
    }

#elif CONFIG_CPU == PP5020 || CONFIG_CPU == PP5024

    unsigned int gpio_a, gpio_b, gpio_c, gpio_d;
    unsigned int gpio_e, gpio_f, gpio_g, gpio_h;
    unsigned int gpio_i, gpio_j, gpio_k, gpio_l;

    char buf[128];
    int line;

    lcd_setmargins(0, 0);
    lcd_clear_display();
    lcd_setfont(FONT_SYSFIXED);

    while(1)
    {
        gpio_a = GPIOA_INPUT_VAL;
        gpio_b = GPIOB_INPUT_VAL;
        gpio_c = GPIOC_INPUT_VAL;

        gpio_g = GPIOG_INPUT_VAL;
        gpio_h = GPIOH_INPUT_VAL;
        gpio_i = GPIOI_INPUT_VAL;

        line = 0;
        snprintf(buf, sizeof(buf), "GPIO_A: %02x GPIO_G: %02x", gpio_a, gpio_g);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_B: %02x GPIO_H: %02x", gpio_b, gpio_h);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_C: %02x GPIO_I: %02x", gpio_c, gpio_i);
        lcd_puts(0, line++, buf);
        line++;

        gpio_d = GPIOD_INPUT_VAL;
        gpio_e = GPIOE_INPUT_VAL;
        gpio_f = GPIOF_INPUT_VAL;

        gpio_j = GPIOJ_INPUT_VAL;
        gpio_k = GPIOK_INPUT_VAL;
        gpio_l = GPIOL_INPUT_VAL;

        snprintf(buf, sizeof(buf), "GPIO_D: %02x GPIO_J: %02x", gpio_d, gpio_j);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_E: %02x GPIO_K: %02x", gpio_e, gpio_k);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_F: %02x GPIO_L: %02x", gpio_f, gpio_l);
        lcd_puts(0, line++, buf);
#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
        line++;
        snprintf(buf, sizeof(buf), "ADC_BATTERY:   %02x", adc_read(ADC_BATTERY));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_UNKNOWN_1: %02x", adc_read(ADC_UNKNOWN_1));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_REMOTE:    %02x", adc_read(ADC_REMOTE));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_SCROLLPAD: %02x", adc_read(ADC_SCROLLPAD));
        lcd_puts(0, line++, buf);
#elif defined(SANSA_E200)
        line++;
        snprintf(buf, sizeof(buf), "ADC_BVDD:   %02x", adc_read(ADC_BVDD));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_RTCSUP: %02x", adc_read(ADC_RTCSUP));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_UVDD:    %02x", adc_read(ADC_UVDD));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_CHG_IN: %02x", adc_read(ADC_CHG_IN));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_CVDD: %02x", adc_read(ADC_CVDD));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_BATTEMP: %02x", adc_read(ADC_BATTEMP));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_MICSUP1: %02x", adc_read(ADC_MICSUP1));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_MICSUP2: %02x", adc_read(ADC_MICSUP2));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_VBE1: %02x", adc_read(ADC_VBE1));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_VBE2: %02x", adc_read(ADC_VBE2));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_I_MICSUP1: %02x", adc_read(ADC_I_MICSUP1));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_I_MICSUP2: %02x", adc_read(ADC_I_MICSUP2));
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_VBAT: %02x", adc_read(ADC_VBAT));
        lcd_puts(0, line++, buf);
#endif
        lcd_update();
        if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
            return false;
    }

#elif CONFIG_CPU == PP5002
    unsigned int gpio_a, gpio_b, gpio_c, gpio_d;

    char buf[128];
    int line;

    lcd_setmargins(0, 0);
    lcd_clear_display();
    lcd_setfont(FONT_SYSFIXED);

    while(1)
    {
        gpio_a = GPIOA_INPUT_VAL;
        gpio_b = GPIOB_INPUT_VAL;
        gpio_c = GPIOC_INPUT_VAL;
        gpio_d = GPIOD_INPUT_VAL;

        line = 0;
        snprintf(buf, sizeof(buf), "GPIO_A: %02x GPIO_B: %02x", gpio_a, gpio_b);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "GPIO_C: %02x GPIO_D: %02x", gpio_c, gpio_d);
        lcd_puts(0, line++, buf);

        lcd_update();
        if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
            return false;
    }
#endif /* CPU */
    return false;
}
#else /* !HAVE_LCD_BITMAP */
bool dbg_ports(void)
{
    unsigned short porta;
    unsigned short portb;
    unsigned char portc;
    char buf[32];
    int button;
    int adc_battery_voltage;
    int currval = 0;

    lcd_clear_display();

    while(1)
    {
        porta = PADR;
        portb = PBDR;
        portc = PCDR;

        switch(currval)
        {
        case 0:
            snprintf(buf, 32, "PADR: %04x  ", porta);
            break;
        case 1:
            snprintf(buf, 32, "PBDR: %04x  ", portb);
            break;
        case 2:
            snprintf(buf, 32, "AN0: %03x  ", adc_read(0));
            break;
        case 3:
            snprintf(buf, 32, "AN1: %03x  ", adc_read(1));
            break;
        case 4:
            snprintf(buf, 32, "AN2: %03x  ", adc_read(2));
            break;
        case 5:
            snprintf(buf, 32, "AN3: %03x  ", adc_read(3));
            break;
        case 6:
            snprintf(buf, 32, "AN4: %03x  ", adc_read(4));
            break;
        case 7:
            snprintf(buf, 32, "AN5: %03x  ", adc_read(5));
            break;
        case 8:
            snprintf(buf, 32, "AN6: %03x  ", adc_read(6));
            break;
        case 9:
            snprintf(buf, 32, "AN7: %03x  ", adc_read(7));
            break;
        case 10:
            snprintf(buf, 32, "%s, 0x%x ",
                     ata_device?"slv":"mst", ata_io_address);
            break;
        }
        lcd_puts(0, 0, buf);

        battery_read_info(NULL, &adc_battery_voltage, NULL);
        snprintf(buf, 32, "Batt: %d.%02dV", adc_battery_voltage / 100,
                 adc_battery_voltage % 100);
        lcd_puts(0, 1, buf);

        button = get_action(CONTEXT_SETTINGS,HZ/5);

        switch(button)
        {
            case ACTION_STD_CANCEL:
            action_signalscreenchange();
            return false;

        case ACTION_SETTINGS_DEC:
            currval--;
            if(currval < 0)
                currval = 10;
            break;

        case ACTION_SETTINGS_INC:
            currval++;
            if(currval > 10)
                currval = 0;
            break;
        }
    }
    return false;
}
#endif /* !HAVE_LCD_BITMAP */
#endif /* !SIMULATOR */

#ifdef HAVE_ADJUSTABLE_CPU_FREQ
static bool dbg_cpufreq(void)
{
    char buf[128];
    int line;
    int button;

#ifdef HAVE_LCD_BITMAP
    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);
#endif
    lcd_clear_display();

    while(1)
    {
        line = 0;

        snprintf(buf, sizeof(buf), "Frequency: %ld", FREQ);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "boost_counter: %d", get_cpu_boost_counter());
        lcd_puts(0, line++, buf);

        lcd_update();
        button = get_action(CONTEXT_STD,HZ/10);

        switch(button)
        {
            case ACTION_STD_PREV:
                cpu_boost(true);
                break;

            case ACTION_STD_NEXT:
                cpu_boost(false);
                break;

            case ACTION_STD_OK:
                while (get_cpu_boost_counter() > 0)
                    cpu_boost(false);
                set_cpu_frequency(CPUFREQ_DEFAULT);
                break;

            case ACTION_STD_CANCEL:
                action_signalscreenchange();
                return false;
        }
    }

    return false;
}
#endif /* HAVE_ADJUSTABLE_CPU_FREQ */

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
/*
 * view_battery() shows a automatically scaled graph of the battery voltage
 * over time. Usable for estimating battery life / charging rate.
 * The power_history array is updated in power_thread of powermgmt.c.
 */

#define BAT_LAST_VAL  MIN(LCD_WIDTH, POWER_HISTORY_LEN)
#define BAT_YSPACE    (LCD_HEIGHT - 20)

static bool view_battery(void)
{
    int view = 0;
    int i, x, y;
    unsigned short maxv, minv;
    char buf[32];

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);

    while(1)
    {
        switch (view) {
            case 0: /* voltage history graph */
                /* Find maximum and minimum voltage for scaling */
                maxv = 0;
                minv = 65535;
                for (i = 0; i < BAT_LAST_VAL; i++) {
                    if (power_history[i] > maxv)
                        maxv = power_history[i];
                    if (power_history[i] && (power_history[i] < minv))
                    {
                        minv = power_history[i];
                    }
                }

                if ((minv < 1) || (minv >= 65535))
                    minv = 1;
                if (maxv < 2)
                    maxv = 2;
                if (minv == maxv)
                    maxv < 65535 ? maxv++ : minv--;

                lcd_clear_display();
                snprintf(buf, 30, "Battery %d.%02d", power_history[0] / 100,
                         power_history[0] % 100);
                lcd_puts(0, 0, buf);
                snprintf(buf, 30, "scale %d.%02d-%d.%02d V",
                         minv / 100, minv % 100, maxv / 100, maxv % 100);
                lcd_puts(0, 1, buf);

                x = 0;
                for (i = BAT_LAST_VAL - 1; i >= 0; i--) {
                    y = (power_history[i] - minv) * BAT_YSPACE / (maxv - minv);
                    lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
                    lcd_vline(x, LCD_HEIGHT-1, 20);
                    lcd_set_drawmode(DRMODE_SOLID);
                    lcd_vline(x, LCD_HEIGHT-1,
                              MIN(MAX(LCD_HEIGHT-1 - y, 20), LCD_HEIGHT-1));
                    x++;
                }

                break;

            case 1: /* status: */
                lcd_clear_display();
                lcd_puts(0, 0, "Power status:");

                battery_read_info(NULL, &y, NULL);
                snprintf(buf, 30, "Battery: %d.%02d V", y / 100, y % 100);
                lcd_puts(0, 1, buf);
#ifdef ADC_EXT_POWER
                y = (adc_read(ADC_EXT_POWER) * EXT_SCALE_FACTOR) / 10000;
                snprintf(buf, 30, "External: %d.%02d V", y / 100, y % 100);
                lcd_puts(0, 2, buf);
#endif
#if CONFIG_CHARGING
#if CONFIG_CHARGING == CHARGING_CONTROL
                snprintf(buf, 30, "Chgr: %s %s",
                         charger_inserted() ? "present" : "absent",
                         charger_enabled ? "on" : "off");
                lcd_puts(0, 3, buf);
                snprintf(buf, 30, "short delta: %d", short_delta);
                lcd_puts(0, 5, buf);
                snprintf(buf, 30, "long delta: %d", long_delta);
                lcd_puts(0, 6, buf);
                lcd_puts(0, 7, power_message);
                snprintf(buf, 30, "USB Inserted: %s",
                         usb_inserted() ? "yes" : "no");
                lcd_puts(0, 8, buf);
#if defined IRIVER_H300_SERIES
                snprintf(buf, 30, "USB Charging Enabled: %s",
                         usb_charging_enabled() ? "yes" : "no");
                lcd_puts(0, 9, buf);
#endif
#else /* CONFIG_CHARGING != CHARGING_CONTROL */
#if defined IPOD_NANO || defined IPOD_VIDEO
                int usb_pwr  = (GPIOL_INPUT_VAL & 0x10)?true:false;
                int ext_pwr  = (GPIOL_INPUT_VAL & 0x08)?false:true;
                int dock     = (GPIOA_INPUT_VAL & 0x10)?true:false;
                int charging = (GPIOB_INPUT_VAL & 0x01)?false:true;
                int headphone= (GPIOA_INPUT_VAL & 0x80)?true:false;

                snprintf(buf, 30, "USB pwr:   %s",
                         usb_pwr ? "present" : "absent");
                lcd_puts(0, 3, buf);
                snprintf(buf, 30, "EXT pwr:   %s",
                         ext_pwr ? "present" : "absent");
                lcd_puts(0, 4, buf);
                snprintf(buf, 30, "Battery:   %s",
                    charging ? "charging" : (usb_pwr||ext_pwr) ? "charged" : "discharging");
                lcd_puts(0, 5, buf);
                snprintf(buf, 30, "Dock mode: %s",
                         dock    ? "enabled" : "disabled");
                lcd_puts(0, 6, buf);
                snprintf(buf, 30, "Headphone: %s",
                         headphone ? "connected" : "disconnected");
                lcd_puts(0, 7, buf);
#else
                snprintf(buf, 30, "Charger: %s",
                         charger_inserted() ? "present" : "absent");
                lcd_puts(0, 3, buf);
#endif
#endif /* CONFIG_CHARGING != CHARGING_CONTROL */
#endif /* CONFIG_CHARGING */
                break;

            case 2: /* voltage deltas: */
                lcd_clear_display();
                lcd_puts(0, 0, "Voltage deltas:");

                for (i = 0; i <= 6; i++) {
                    y = power_history[i] - power_history[i+i];
                    snprintf(buf, 30, "-%d min: %s%d.%02d V", i,
                             (y < 0) ? "-" : "", ((y < 0) ? y * -1 : y) / 100,
                             ((y < 0) ? y * -1 : y ) % 100);
                    lcd_puts(0, i+1, buf);
                }
                break;

            case 3: /* remaining time estimation: */
                lcd_clear_display();

#if CONFIG_CHARGING == CHARGING_CONTROL
                snprintf(buf, 30, "charge_state: %d", charge_state);
                lcd_puts(0, 0, buf);

                snprintf(buf, 30, "Cycle time: %d m", powermgmt_last_cycle_startstop_min);
                lcd_puts(0, 1, buf);

                snprintf(buf, 30, "Lvl@cyc st: %d%%", powermgmt_last_cycle_level);
                lcd_puts(0, 2, buf);

                snprintf(buf, 30, "P=%2d I=%2d", pid_p, pid_i);
                lcd_puts(0, 3, buf);

                snprintf(buf, 30, "Trickle sec: %d/60", trickle_sec);
                lcd_puts(0, 4, buf);
#endif /* CONFIG_CHARGING == CHARGING_CONTROL */

                snprintf(buf, 30, "Last PwrHist: %d.%02d V",
                    power_history[0] / 100,
                    power_history[0] % 100);
                lcd_puts(0, 5, buf);

                snprintf(buf, 30, "battery level: %d%%", battery_level());
                lcd_puts(0, 6, buf);

                snprintf(buf, 30, "Est. remain: %d m", battery_time());
                lcd_puts(0, 7, buf);
                break;
        }

        lcd_update();

        switch(get_action(CONTEXT_SETTINGS,HZ/2))
        {
            case ACTION_SETTINGS_DEC:
                if (view)
                    view--;
                break;

            case ACTION_SETTINGS_INC:
                if (view < 3)
                    view++;
                break;

            case ACTION_STD_CANCEL:
                action_signalscreenchange();
                return false;
        }
    }
    return false;
}

#endif /* HAVE_LCD_BITMAP */
#endif

#ifndef SIMULATOR
#ifdef HAVE_MMC
static bool dbg_mmc_info(void)
{
    bool done = false;
    int currval = 0;
    int line;
    tCardInfo *card;
    unsigned char pbuf[32], pbuf2[32];
    unsigned char card_name[7];

    static const unsigned char i_vmin[] = { 0, 1, 5, 10, 25, 35, 60, 100 };
    static const unsigned char i_vmax[] = { 1, 5, 10, 25, 35, 45, 80, 200 };
    static const unsigned char *kbit_units[] = { "kBit/s", "MBit/s", "GBit/s" };
    static const unsigned char *nsec_units[] = { "ns", "µs", "ms" };
    static const char *spec_vers[] = { "1.0-1.2", "1.4", "2.0-2.2",
                                       "3.1-3.31", "4.0" };

    card_name[6] = '\0';

    lcd_setmargins(0, 0);
    lcd_setfont(FONT_SYSFIXED);

    while (!done)
    {
        card = mmc_card_info(currval / 2);

        line = 0;
        lcd_clear_display();
        snprintf(pbuf, sizeof(pbuf), "[MMC%d p%d]", currval / 2,
                 (currval % 2) + 1);
        lcd_puts(0, line++, pbuf);

        if (card->initialized)
        {
            if (!(currval % 2))   /* General info */
            {
                int temp;

                strncpy(card_name, ((unsigned char*)card->cid) + 3, 6);
                snprintf(pbuf, sizeof(pbuf), "%s Rev %d.%d", card_name,
                         (int) mmc_extract_bits(card->cid, 72, 4),
                         (int) mmc_extract_bits(card->cid, 76, 4));
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "Prod: %d/%d",
                         (int) mmc_extract_bits(card->cid, 112, 4),
                         (int) mmc_extract_bits(card->cid, 116, 4) + 1997);
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "Ser#: 0x%08lx",
                         mmc_extract_bits(card->cid, 80, 32));
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "M=%02x, O=%04x",
                         (int) mmc_extract_bits(card->cid, 0, 8),
                         (int) mmc_extract_bits(card->cid, 8, 16));
                lcd_puts(0, line++, pbuf);
                temp = mmc_extract_bits(card->csd, 2, 4);
                snprintf(pbuf, sizeof(pbuf), "MMC v%s", temp < 5 ?
                         spec_vers[temp] : "?.?");
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "Blocks: 0x%06lx", card->numblocks);