rockbox/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"
#include "tagcache.h"
#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
#ifdef CONFIG_TUNER
#include "tuner.h"
#include "radio.h"
#endif
#endif

#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#include "peakmeter.h"
#endif
#include "logfdisp.h"
#if CONFIG_CODEC == SWCODEC
#include "pcmbuf.h"
#include "pcm_playback.h"
#endif

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

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 '?';
}
#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
/* Test code!!! */
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);
                
                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);
                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) ? '*' : ' ', 
                     (status == STATE_BLOCKED) ? 'B' : ' ', 
                     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 */
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
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 */
        scrollbar(0, 6*8, 112, 4, d.audiobuflen, 0,
                  d.playable_space, HORIZONTAL);

        /* Show the watermark limit */
        scrollbar(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;

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

    ticks++;
}

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 */
        scrollbar(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 */
        scrollbar(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 == TCC730
static unsigned flash_word_temp __attribute__ ((section (".idata")));

static void flash_write_word(unsigned addr, unsigned value) __attribute__ ((section(".icode")));
static void flash_write_word(unsigned addr, unsigned value) {
    flash_word_temp = value;

    long extAddr = (long)addr << 1;
    ddma_transfer(1, 1, &flash_word_temp, extAddr, 2);
}

static unsigned flash_read_word(unsigned addr) __attribute__ ((section(".icode")));
static unsigned flash_read_word(unsigned addr) {
    long extAddr = (long)addr << 1;
    ddma_transfer(1, 1, &flash_word_temp, extAddr, 2);
    return flash_word_temp;
}

#endif

/* 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 */
bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
                  unsigned addr1, unsigned addr2)
                  __attribute__ ((section (".icode")));
bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
                  unsigned addr1, unsigned addr2)

{
#ifndef SIMULATOR
#if (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
    /* TODO: Implement for iPod */
    (void)p_manufacturer;
    (void)p_device;
    (void)addr1;
    (void)addr2;
#elif CONFIG_CPU == PNX0101
    /* TODO: Implement for iFP7xx */
    (void)p_manufacturer;
    (void)p_device;
    (void)addr1;
    (void)addr2;
#elif CONFIG_CPU == S3C2440
    /* TODO: Implement for Gigabeat */
    (void)p_manufacturer;
    (void)p_device;
    (void)addr1;
    (void)addr2;
#else
    unsigned not_manu, not_id; /* read values before switching to ID mode */
    unsigned manu, id; /* read values when in ID mode */
#if CONFIG_CPU == TCC730
#define FLASH(addr) (flash_read_word(addr))
#define SET_FLASH(addr, val) (flash_write_word((addr), (val)))

#else /* memory mapped */
#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
#define FLASH(addr) (flash[addr])
#define SET_FLASH(addr, val) (flash[addr] = val)
#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);

    SET_FLASH(addr1, 0xAA); /* enter command mode */
    SET_FLASH(addr2, 0x55);
    SET_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);

    SET_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 */
    }
#endif
#else
    (void) p_manufacturer;
    (void) p_device;
    (void) addr1;
    (void) addr2;
#endif
    return false; /* fail */
}

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
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 */
    bool got_id; /* flag if we managed to get the flash IDs */
    int oldmode;  /* saved memory guard mode */

    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, 0, "[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, 1, buf);

    lcd_update();

    while(1)
    {
        if (action_userabort(TIMEOUT_BLOCK))
            return false;
    }
#elif CONFIG_CPU == PP5020
    char buf[32];

    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);

    lcd_update();

    while(1)
    {
        if (action_userabort(TIMEOUT_BLOCK))
            return false;
    }
#endif /* CONFIG_CPU */
    return false;
}
#else /* !HAVE_LCD_BITMAP */
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)
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;

    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
    PHASECONFIG = 0x34;       /* Gain = 3*2^13, source = EBUIN */

    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",
                (long)((long long)FREQMEAS*CPU_FREQ/((1 << 15)*3*(1 << 13))/128));
        lcd_puts(0, line++, buf);
#endif

        lcd_update();

        if (action_userabort(HZ/10))
            return false;
    }
#ifdef HAVE_SPDIF_POWER
    spdif_power_enable(global_settings.spdif_enable);
#endif

    return false;
}
#endif /* CPU_COLDFIRE */

#ifndef SIMULATOR
#ifdef HAVE_LCD_BITMAP
/* Test code!!! */
bool dbg_ports(void)
{
#if CONFIG_CPU == SH7034
    unsigned short porta;
    unsigned short portb;
    unsigned char portc;
    char buf[32];
    int battery_voltage;
    int batt_int, batt_frac;

    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_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, 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 (action_userabort(HZ/10))
            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, adc_battery;
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
    int adc_remotedetect;
#endif
    char buf[128];
    int line;
    int battery_voltage;
    int batt_int, batt_frac;

    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);
        adc_battery = adc_read(ADC_BATTERY);
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
        adc_remotedetect = adc_read(ADC_REMOTEDETECT);
#endif

        snprintf(buf, sizeof(buf), "ADC_BUTTONS: %02x", adc_buttons);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "ADC_REMOTE:  %02x", adc_remote);
        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_remotedetect);
        lcd_puts(0, line++, buf);
#endif

        battery_voltage = (adc_battery * 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, 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 (action_userabort(HZ/10))
            return false;
    }

#elif CONFIG_CPU == PP5020

    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);
#endif
        lcd_update();
        if (action_userabort(HZ/10))
            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 battery_voltage;
    int batt_int, batt_frac;
    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_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", batt_int, batt_frac);
        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
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);

#ifdef CPU_BOOST_TRACKING
        snprintf(buf, sizeof(buf), "boost_counter: %d %s", get_cpu_boost_counter(), get_cpu_boost_tracker());
#else
        snprintf(buf, sizeof(buf), "boost_counter: %d", get_cpu_boost_counter());
#endif
        lcd_puts(0, line++, buf);

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

        switch(button)
        {
            case ACTION_STD_PREV:
                cpu_boost_id(true, CPUBOOSTID_DEBUGMENU_MANUAL);
                break;

            case ACTION_STD_NEXT:
                cpu_boost_id(false, CPUBOOSTID_DEBUGMENU_MANUAL);
                break;

            case ACTION_STD_OK:
                while (get_cpu_boost_counter() > 0)
                    cpu_boost_id(false, CPUBOOSTID_DEBUGMENU_MANUAL);
                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)

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:");

                y = (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) / 10000;
                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
#ifdef 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);
#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

static bool view_runtime(void)
{
    char s[32];
    bool done = false;
    int state = 1;

    while(!done)
    {
        int y=0;
        int t;
        int key;
        lcd_clear_display();
#ifdef HAVE_LCD_BITMAP
        lcd_puts(0, y++, "Running time:");
        y++;
#endif

        if (state & 1) {
#ifdef CONFIG_CHARGING
            if (charger_inserted()
#ifdef HAVE_USB_POWER
                    || usb_powered()
#endif
                    )
            {
                global_settings.runtime = 0;
            }
            else
#endif
            {
                global_settings.runtime += ((current_tick - lasttime) / HZ);
            }
            lasttime = current_tick;

            t = global_settings.runtime;
            lcd_puts(0, y++, "Current time");
        }
        else {
            t = global_settings.topruntime;
            lcd_puts(0, y++, "Top time");
        }

        snprintf(s, sizeof(s), "%dh %dm %ds",
                 t / 3600, (t % 3600) / 60, t % 60);
        lcd_puts(0, y++, s);
        lcd_update();

        /* Wait for a key to be pushed */
        key = get_action(CONTEXT_SETTINGS,HZ);
        switch(key) {
            case ACTION_STD_CANCEL:
                done = true;
                break;

            case ACTION_SETTINGS_INC:
            case ACTION_SETTINGS_DEC:
                if (state == 1)
                    state = 2;
                else
                    state = 1;
                break;

            case ACTION_STD_OK:
                lcd_clear_display();
                /*NOTE: this needs to be changed to sync splash! */
                lcd_puts(0,0,"Clear time?");
                lcd_puts(0,1,"PLAY = Yes");
                lcd_update();
                while (1) {
                    key = get_action(CONTEXT_STD,TIMEOUT_BLOCK);
                    if ( key == ACTION_STD_OK ) {
                        if ( state == 1 )
                            global_settings.runtime = 0;
                        else
                            global_settings.topruntime = 0;
                        break;
                    }
                }
                break;
        }
    }
    action_signalscreenchange();
    return false;
}

#ifndef SIMULATOR
#ifdef HAVE_MMC
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", "<EFBFBD>s", "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);
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "Blksz.: %d P:%c%c", card->blocksize,
                         mmc_extract_bits(card->csd, 48, 1) ? 'R' : '-',
                         mmc_extract_bits(card->csd, 106, 1) ? 'W' : '-');
                lcd_puts(0, line++, pbuf);
            }
            else                  /* Technical details */
            {
                output_dyn_value(pbuf2, sizeof pbuf2, card->speed / 1000,
                                 kbit_units, false);
                snprintf(pbuf, sizeof pbuf, "Speed: %s", pbuf2);
                lcd_puts(0, line++, pbuf);

                output_dyn_value(pbuf2, sizeof pbuf2, card->tsac,
                                 nsec_units, false);
                snprintf(pbuf, sizeof pbuf, "Tsac: %s", pbuf2);
                lcd_puts(0, line++, pbuf);

                snprintf(pbuf, sizeof(pbuf), "Nsac: %d clk", card->nsac);
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "R2W: *%d", card->r2w_factor);
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "IRmax: %d..%d mA",
                         i_vmin[mmc_extract_bits(card->csd, 66, 3)],
                         i_vmax[mmc_extract_bits(card->csd, 69, 3)]);
                lcd_puts(0, line++, pbuf);
                snprintf(pbuf, sizeof(pbuf), "IWmax: %d..%d mA",
                         i_vmin[mmc_extract_bits(card->csd, 72, 3)],
                         i_vmax[mmc_extract_bits(card->csd, 75, 3)]);
                lcd_puts(0, line++, pbuf);
            }
        }
        else
            lcd_puts(0, line++, "Not found!");

        lcd_update();

        switch (get_action(CONTEXT_SETTINGS,HZ/2))
        {
            case ACTION_STD_CANCEL:
                done = true;
                break;

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

            case ACTION_SETTINGS_INC:
                currval++;
                if (currval > 3)
                    currval = 0;
                break;
        }
    }
    action_signalscreenchange();
    return false;
}
#else /* !HAVE_MMC */
static bool dbg_disk_info(void)
{
    char buf[128];
    bool done = false;
    int i;
    int page = 0;
    const int max_page = 11;
    unsigned short* identify_info = ata_get_identify();
    bool timing_info_present = false;
    char pio3[2], pio4[2];

#ifdef HAVE_LCD_BITMAP
    lcd_setmargins(0, 0);
#endif

    while(!done)
    {
        int y=0;
        int key;
        lcd_clear_display();
#ifdef HAVE_LCD_BITMAP
        lcd_puts(0, y++, "Disk info:");
        y++;
#endif

        switch (page) {
            case 0:
                for (i=0; i < 20; i++)
                    ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
                buf[40]=0;
                /* kill trailing space */
                for (i=39; i && buf[i]==' '; i--)
                    buf[i] = 0;
                lcd_puts(0, y++, "Model");
                lcd_puts_scroll(0, y++, buf);
                break;

            case 1:
                for (i=0; i < 4; i++)
                    ((unsigned short*)buf)[i]=htobe16(identify_info[i+23]);
                buf[8]=0;
                lcd_puts(0, y++, "Firmware");
                lcd_puts(0, y++, buf);
                break;

            case 2:
                snprintf(buf, sizeof buf, "%ld MB",
                         ((unsigned long)identify_info[61] << 16 |
                          (unsigned long)identify_info[60]) / 2048 );
                lcd_puts(0, y++, "Size");
                lcd_puts(0, y++, buf);
                break;

            case 3: {
                unsigned long free;
                fat_size( IF_MV2(0,) NULL, &free );
                snprintf(buf, sizeof buf, "%ld MB",  free / 1024 );
                lcd_puts(0, y++, "Free");
                lcd_puts(0, y++, buf);
                break;
            }

            case 4:
                snprintf(buf, sizeof buf, "%d ms", ata_spinup_time * (1000/HZ));
                lcd_puts(0, y++, "Spinup time");
                lcd_puts(0, y++, buf);
                break;

            case 5:
                i = identify_info[83] & (1<<3);
                lcd_puts(0, y++, "Power mgmt:");
                lcd_puts(0, y++, i ? "enabled" : "unsupported");
                break;

            case 6:
                i = identify_info[83] & (1<<9);
                lcd_puts(0, y++, "Noise mgmt:");
                lcd_puts(0, y++, i ? "enabled" : "unsupported");
                break;

            case 7:
                i = identify_info[82] & (1<<6);
                lcd_puts(0, y++, "Read-ahead:");
                lcd_puts(0, y++, i ? "enabled" : "unsupported");
                break;

            case 8:
                timing_info_present = identify_info[53] & (1<<1);
                if(timing_info_present) {
                    pio3[1] = 0;
                    pio4[1] = 0;
                    lcd_puts(0, y++, "PIO modes:");
                    pio3[0] = (identify_info[64] & (1<<0)) ? '3' : 0;
                    pio4[0] = (identify_info[64] & (1<<1)) ? '4' : 0;
                    snprintf(buf, 128, "0 1 2 %s %s", pio3, pio4);
                    lcd_puts(0, y++, buf);
                } else {
                    lcd_puts(0, y++, "No PIO mode info");
                }
                break;

            case 9:
                timing_info_present = identify_info[53] & (1<<1);
                if(timing_info_present) {
                    lcd_puts(0, y++, "Cycle times");
                    snprintf(buf, 128, "%dns/%dns",
                             identify_info[67],
                             identify_info[68]);
                    lcd_puts(0, y++, buf);
                } else {
                    lcd_puts(0, y++, "No timing info");
                }
                break;

            case 10:
                timing_info_present = identify_info[53] & (1<<1);
                if(timing_info_present) {
                    i = identify_info[49] & (1<<11);
                    snprintf(buf, 128, "IORDY support: %s", i ? "yes" : "no");
                    lcd_puts(0, y++, buf);
                    i = identify_info[49] & (1<<10);
                    snprintf(buf, 128, "IORDY disable: %s", i ? "yes" : "no");
                    lcd_puts(0, y++, buf);
                } else {
                    lcd_puts(0, y++, "No timing info");
                }
                break;

            case 11:
                lcd_puts(0, y++, "Cluster size");
                snprintf(buf, 128, "%d bytes", fat_get_cluster_size(IF_MV(0)));
                lcd_puts(0, y++, buf);
                break;
        }
        lcd_update();

        /* Wait for a key to be pushed */
        key = get_action(CONTEXT_SETTINGS,HZ/5);
        switch(key) {
            case ACTION_STD_CANCEL:
                done = true;
                break;

            case ACTION_SETTINGS_DEC:
                if (--page < 0)
                    page = max_page;
                break;

            case ACTION_SETTINGS_INC:
                if (++page > max_page)
                    page = 0;
                break;
        }
        lcd_stop_scroll();
    }
    action_signalscreenchange();
    return false;
}
#endif /* !HAVE_MMC */
#endif /* !SIMULATOR */

#ifdef HAVE_DIRCACHE
static bool dbg_dircache_info(void)
{
    bool done = false;
    int line;
    char buf[32];

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

    while (!done)
    {
        line = 0;

        lcd_clear_display();
        snprintf(buf, sizeof(buf), "Cache initialized: %s",
                 dircache_is_enabled() ? "Yes" : "No");
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Cache size: %d B",
                 dircache_get_cache_size());
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Last size: %d B",
                 global_settings.dircache_size);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Limit: %d B", DIRCACHE_LIMIT);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Reserve: %d/%d B",
                 dircache_get_reserve_used(), DIRCACHE_RESERVE);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Scanning took: %d s",
                 dircache_get_build_ticks() / HZ);
        lcd_puts(0, line++, buf);

        snprintf(buf, sizeof(buf), "Entry count: %d",
                 dircache_get_entry_count());
        lcd_puts(0, line++, buf);

        lcd_update();

        if (action_userabort(HZ/2))
            return false;
    }

    return false;
}

#endif /* HAVE_DIRCACHE */

#ifdef HAVE_LCD_BITMAP
static bool dbg_tagcache_info(void)
{
    bool done = false;
    int line;
    char buf[32];
    struct tagcache_stat *stat;

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

    while (!done)
    {
        line = 0;

        lcd_clear_display();
        stat = tagcache_get_stat();
        snprintf(buf, sizeof(buf), "Initialized: %s", stat->initialized ? "Yes" : "No");
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "DB Ready: %s", stat->ready ? "Yes" : "No");
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "RAM Cache: %s", stat->ramcache ? "Yes" : "No");
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "RAM: %d/%d B",
                 stat->ramcache_used, stat->ramcache_allocated);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "Progress: %d%% (%d entries)",
                 stat->progress, stat->processed_entries);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "Commit step: %d", stat->commit_step);
        lcd_puts(0, line++, buf);
        snprintf(buf, sizeof(buf), "Commit delayed: %s",
                 stat->commit_delayed ? "Yes" : "No");
        lcd_puts(0, line++, buf);

        lcd_update();

        if (action_userabort(HZ/2))
            return false;
    }

    return false;
}
#endif

#if CONFIG_CPU == SH7034
bool dbg_save_roms(void)
{
    int fd;
    int oldmode = system_memory_guard(MEMGUARD_NONE);

    fd = creat("/internal_rom_0000-FFFF.bin", O_WRONLY);
    if(fd >= 0)
    {
        write(fd, (void *)0, 0x10000);
        close(fd);
    }

    fd = creat("/internal_rom_2000000-203FFFF.bin", O_WRONLY);
    if(fd >= 0)
    {
        write(fd, (void *)0x2000000, 0x40000);
        close(fd);
    }

    system_memory_guard(oldmode);
    return false;
}
#elif defined CPU_COLDFIRE
bool dbg_save_roms(void)
{
    int fd;
    int oldmode = system_memory_guard(MEMGUARD_NONE);

#if defined(IRIVER_H100_SERIES)
    fd = creat("/internal_rom_000000-1FFFFF.bin", O_WRONLY);
#elif defined(IRIVER_H300_SERIES)
    fd = creat("/internal_rom_000000-3FFFFF.bin", O_WRONLY);
#elif defined(IAUDIO_X5)
    fd = creat("/internal_rom_000000-3FFFFF.bin", O_WRONLY);
#endif
    if(fd >= 0)
    {
        write(fd, (void *)0, FLASH_SIZE);
        close(fd);
    }
    system_memory_guard(oldmode);

#ifdef HAVE_EEPROM
    fd = creat("/internal_eeprom.bin", O_WRONLY);
    if (fd >= 0)
    {
        int old_irq_level;
        char buf[EEPROM_SIZE];
        int err;

        old_irq_level = set_irq_level(HIGHEST_IRQ_LEVEL);

        err = eeprom_24cxx_read(0, buf, sizeof buf);
        if (err)
            gui_syncsplash(HZ*3, true, "Eeprom read failure (%d)",err);
        else
        {
            write(fd, buf, sizeof buf);
        }

        set_irq_level(old_irq_level);

        close(fd);
    }
#endif

    return false;
}
#endif /* CPU */

#ifndef SIMULATOR
#ifdef CONFIG_TUNER
bool dbg_fm_radio(void)
{
    char buf[32];
    bool fm_detected;

#ifdef HAVE_LCD_BITMAP
    lcd_setmargins(0, 0);
#endif

    while(1)
    {
        int row = 0;
        unsigned long regs;

        lcd_clear_display();
        fm_detected = radio_hardware_present();

        snprintf(buf, sizeof buf, "HW detected: %s", fm_detected?"yes":"no");
        lcd_puts(0, row++, buf);

#if (CONFIG_TUNER & S1A0903X01)
        regs = samsung_get(RADIO_ALL);
        snprintf(buf, sizeof buf, "Samsung regs: %08lx", regs);
        lcd_puts(0, row++, buf);
#endif
#if (CONFIG_TUNER & TEA5767)
        regs = philips_get(RADIO_ALL);
        snprintf(buf, sizeof buf, "Philips regs: %08lx", regs);
        lcd_puts(0, row++, buf);
#endif

        lcd_update();

        if (action_userabort(HZ))
            return false;
    }
    return false;
}
#endif /* CONFIG_TUNER */
#endif /* !SIMULATOR */

#ifdef HAVE_LCD_BITMAP
extern bool do_screendump_instead_of_usb;

bool dbg_screendump(void)
{
    do_screendump_instead_of_usb = !do_screendump_instead_of_usb;
    gui_syncsplash(HZ, true, "Screendump %s",
                 do_screendump_instead_of_usb?"enabled":"disabled");
    return false;
}
#endif /* HAVE_LCD_BITMAP */

#if CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE)
bool dbg_set_memory_guard(void)
{
    static const struct opt_items names[MAXMEMGUARD] = {
        { "None",             -1 },
        { "Flash ROM writes", -1 },
        { "Zero area (all)",  -1 }
    };
    int mode = system_memory_guard(MEMGUARD_KEEP);

    set_option( "Catch mem accesses", &mode, INT, names, MAXMEMGUARD, NULL);
    system_memory_guard(mode);

    return false;
}
#endif /* CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE) */

#if defined(HAVE_EEPROM) && !defined(HAVE_EEPROM_SETTINGS)
bool dbg_write_eeprom(void)
{
    int fd;
    int rc;
    int old_irq_level;
    char buf[EEPROM_SIZE];
    int err;

    fd = open("/internal_eeprom.bin", O_RDONLY);

    if (fd >= 0)
    {
        rc = read(fd, buf, EEPROM_SIZE);

        if(rc == EEPROM_SIZE)
        {
            old_irq_level = set_irq_level(HIGHEST_IRQ_LEVEL);

            err = eeprom_24cxx_write(0, buf, sizeof buf);
            if (err)
                gui_syncsplash(HZ*3, true, "Eeprom write failure (%d)",err);
            else
                gui_syncsplash(HZ*3, true, "Eeprom written successfully");

            set_irq_level(old_irq_level);
        }
        else
        {
            gui_syncsplash(HZ*3, true, "File read error (%d)",rc);
        }
        close(fd);
    }
    else
    {
        gui_syncsplash(HZ*3, true, "Failed to open 'internal_eeprom.bin'");
    }

    return false;
}
#endif /* defined(HAVE_EEPROM) && !defined(HAVE_EEPROM_SETTINGS) */

bool debug_menu(void)
{
    int m;
    bool result;

    static const struct menu_item items[] = {
#if CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE)
        { "Dump ROM contents", dbg_save_roms },
#endif
#if CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE) || (CONFIG_CPU == PP5020)
        { "View I/O ports", dbg_ports },
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
        { "CPU frequency", dbg_cpufreq },
#endif
#if defined(IRIVER_H100_SERIES) && !defined(SIMULATOR)
        { "S/PDIF analyzer", dbg_spdif },
#endif
#if CONFIG_CPU == SH7034 || defined(CPU_COLDFIRE)
        { "Catch mem accesses", dbg_set_memory_guard },
#endif
#ifndef SIMULATOR
        { "View OS stacks", dbg_os },
#endif
#ifdef HAVE_LCD_BITMAP
#ifndef SIMULATOR
        { "View battery", view_battery },
#endif
        { "Screendump", dbg_screendump },
#endif
#ifndef SIMULATOR
        { "View HW info", dbg_hw_info },
#endif
#ifndef SIMULATOR
        { "View partitions", dbg_partitions },
#endif
#ifndef SIMULATOR
#ifdef HAVE_MMC
        { "View MMC info", dbg_mmc_info },
#else
        { "View disk info", dbg_disk_info },
#endif
#endif
#ifdef HAVE_DIRCACHE
        { "View dircache info", dbg_dircache_info },
#endif
#ifdef HAVE_LCD_BITMAP
        { "View tagcache info", dbg_tagcache_info },
#if CONFIG_CODEC == SWCODEC || !defined(SIMULATOR)
        { "View audio thread", dbg_audio_thread },
#endif
#ifdef PM_DEBUG
        { "pm histogram", peak_meter_histogram},
#endif /* PM_DEBUG */
#endif /* HAVE_LCD_BITMAP */
        { "View runtime", view_runtime },
#ifndef SIMULATOR
#ifdef CONFIG_TUNER
        { "FM Radio", dbg_fm_radio },
#endif
#endif
#if defined(HAVE_EEPROM) && !defined(HAVE_EEPROM_SETTINGS)
        { "Write back EEPROM", dbg_write_eeprom },
#endif
#ifdef ROCKBOX_HAS_LOGF
        {"logf", logfdisplay },
        {"logfdump", logfdump },
#endif
    };

    m=menu_init( items, sizeof items / sizeof(struct menu_item), NULL,
                 NULL, NULL, NULL);
    result = menu_run(m);
    menu_exit(m);

    return result;
}