apps/misc.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdlib.h>
  22 #include <ctype.h>
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <errno.h>
  26 #include "string-extra.h"
  27 #include "config.h"
  28 #include "misc.h"
  29 #include "system.h"
  30 #include "lcd.h"
  31 #include "file.h"
  32 #include "filefuncs.h"
  33 #ifndef __PCTOOL__
  34 #include "lang.h"
  35 #include "dir.h"
  36 #include "lcd-remote.h"
  37 #include "timefuncs.h"
  38 #include "screens.h"
  39 #include "usb_screen.h"
  40 #include "talk.h"
  41 #include "audio.h"
  42 #include "mp3_playback.h"
  43 #include "settings.h"
  44 #include "storage.h"
  45 #include "ata_idle_notify.h"
  46 #include "kernel.h"
  47 #include "power.h"
  48 #include "powermgmt.h"
  49 #include "backlight.h"
  50 #include "version.h"
  51 #include "font.h"
  52 #include "splash.h"
  53 #include "tagcache.h"
  54 #include "scrobbler.h"
  55 #include "sound.h"
  56 #include "playlist.h"
  57 #include "yesno.h"
  58 #include "viewport.h"
  59 #include "list.h"
  60
  61 #include "debug.h"
  62
  63 #if CONFIG_TUNER
  64 #include "radio.h"
  65 #endif
  66
  67 #ifdef IPOD_ACCESSORY_PROTOCOL
  68 #include "iap.h"
  69 #endif
  70
  71 #if (CONFIG_STORAGE & STORAGE_MMC)
  72 #include "ata_mmc.h"
  73 #endif
  74 #include "tree.h"
  75 #include "eeprom_settings.h"
  76 #if defined(HAVE_RECORDING) && !defined(__PCTOOL__)
  77 #include "recording.h"
  78 #endif
  79 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
  80 #include "bmp.h"
  81 #include "icons.h"
  82 #endif /* End HAVE_LCD_BITMAP */
  83 #include "bookmark.h"
  84 #include "wps.h"
  85 #include "playback.h"
  86 #if CONFIG_CODEC == SWCODEC
  87 #include "voice_thread.h"
  88 #endif
  89
  90 #ifdef BOOTFILE
  91 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) \
  92         || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
  93 #include "rolo.h"
  94 #endif
  95 #endif
  96
  97 #ifdef HAVE_HARDWARE_CLICK
  98 #include "piezo.h"
  99 #endif
 100
 101 /* units used with output_dyn_value */
 102 const unsigned char * const byte_units[] =
 103 {
 104     ID2P(LANG_BYTE),
 105     ID2P(LANG_KILOBYTE),
 106     ID2P(LANG_MEGABYTE),
 107     ID2P(LANG_GIGABYTE)
 108 };
 109
 110 const unsigned char * const * const kbyte_units = &byte_units[1];
 111
 112 /* Format a large-range value for output, using the appropriate unit so that
 113  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
 114  * units) if possible, and 3 significant digits are shown. If a buffer is
 115  * given, the result is snprintf()'d into that buffer, otherwise the result is
 116  * voiced.*/
 117 char *output_dyn_value(char *buf, int buf_size, int value,
 118                        const unsigned char * const *units, bool bin_scale)
 119 {
 120     int scale = bin_scale ? 1024 : 1000;
 121     int fraction = 0;
 122     int unit_no = 0;
 123     char tbuf[5];
 124
 125     while (value >= scale)
 126     {
 127         fraction = value % scale;
 128         value /= scale;
 129         unit_no++;
 130     }
 131     if (bin_scale)
 132         fraction = fraction * 1000 / 1024;
 133
 134     if (value >= 100 || !unit_no)
 135         tbuf[0] = '\0';
 136     else if (value >= 10)
 137         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
 138     else
 139         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
 140
 141     if (buf)
 142     {
 143         if (*tbuf)
 144             snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
 145                      tbuf, P2STR(units[unit_no]));
 146         else
 147             snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
 148     }
 149     else
 150     {
 151         talk_fractional(tbuf, value, P2ID(units[unit_no]));
 152     }
 153     return buf;
 154 }
 155
 156 /* Ask the user if they really want to erase the current dynamic playlist
 157  * returns true if the playlist should be replaced */
 158 bool warn_on_pl_erase(void)
 159 {
 160     if (global_settings.warnon_erase_dynplaylist &&
 161         !global_settings.party_mode &&
 162         playlist_modified(NULL))
 163     {
 164         static const char *lines[] =
 165             {ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 166         static const struct text_message message={lines, 1};
 167
 168         return (gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES);
 169     }
 170     else
 171         return true;
 172 }
 173
 174
 175 /* Performance optimized version of the read_line() (see below) function. */
 176 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
 177                   int (*callback)(int n, char *buf, void *parameters))
 178 {
 179     char *p, *next;
 180     int rc, pos = 0;
 181     int count = 0;
 182
 183     while ( 1 )
 184     {
 185         next = NULL;
 186
 187         rc = read(fd, &buf[pos], buf_size - pos - 1);
 188         if (rc >= 0)
 189             buf[pos+rc] = '\0';
 190
 191         if ( (p = strchr(buf, '\n')) != NULL)
 192         {
 193             *p = '\0';
 194             next = ++p;
 195         }
 196
 197         rc = callback(count, buf, parameters);
 198         if (rc < 0)
 199             return rc;
 200
 201         count++;
 202         if (next)
 203         {
 204             pos = buf_size - ((long)next - (long)buf) - 1;
 205             memmove(buf, next, pos);
 206         }
 207         else
 208             break ;
 209     }
 210
 211     return 0;
 212 }
 213
 214 /* parse a line from a configuration file. the line format is:
 215
 216    name: value
 217
 218    Any whitespace before setting name or value (after ':') is ignored.
 219    A # as first non-whitespace character discards the whole line.
 220    Function sets pointers to null-terminated setting name and value.
 221    Returns false if no valid config entry was found.
 222 */
 223
 224 bool settings_parseline(char* line, char** name, char** value)
 225 {
 226     char* ptr;
 227
 228     line = skip_whitespace(line);
 229
 230     if ( *line == '#' )
 231         return false;
 232
 233     ptr = strchr(line, ':');
 234     if ( !ptr )
 235         return false;
 236
 237     *name = line;
 238     *ptr = 0;
 239     ptr++;
 240     ptr = skip_whitespace(ptr);
 241     *value = ptr;
 242     return true;
 243 }
 244
 245 static void system_flush(void)
 246 {
 247     playlist_shutdown();
 248     tree_flush();
 249     call_storage_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
 250 }
 251
 252 static void system_restore(void)
 253 {
 254     tree_restore();
 255 }
 256
 257 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 258 {
 259     long msg_id = -1;
 260
 261     scrobbler_poweroff();
 262
 263 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 264     if(!charger_inserted())
 265 #endif
 266     {
 267         bool batt_safe = battery_level_safe();
 268 #if CONFIG_CODEC != SWCODEC || defined(HAVE_RECORDING)
 269         int audio_stat = audio_status();
 270 #endif
 271
 272         FOR_NB_SCREENS(i)
 273         {
 274             screens[i].clear_display();
 275             screens[i].update();
 276         }
 277
 278         if (batt_safe)
 279         {
 280 #ifdef HAVE_TAGCACHE
 281             if (!tagcache_prepare_shutdown())
 282             {
 283                 cancel_shutdown();
 284                 splash(HZ, ID2P(LANG_TAGCACHE_BUSY));
 285                 return false;
 286             }
 287 #endif
 288             if (battery_level() > 10)
 289                 splash(0, str(LANG_SHUTTINGDOWN));
 290             else
 291             {
 292                 msg_id = LANG_WARNING_BATTERY_LOW;
 293                 splashf(0, "%s %s", str(LANG_WARNING_BATTERY_LOW),
 294                                     str(LANG_SHUTTINGDOWN));
 295             }
 296         }
 297         else
 298         {
 299             msg_id = LANG_WARNING_BATTERY_EMPTY;
 300             splashf(0, "%s %s", str(LANG_WARNING_BATTERY_EMPTY),
 301                                 str(LANG_SHUTTINGDOWN));
 302         }
 303 #if CONFIG_CODEC != SWCODEC
 304         if (global_settings.fade_on_stop
 305             && (audio_stat & AUDIO_STATUS_PLAY))
 306         {
 307             fade(false, false);
 308         }
 309 #endif
 310
 311         if (batt_safe) /* do not save on critical battery */
 312         {
 313 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 314             if (audio_stat & AUDIO_STATUS_RECORD)
 315             {
 316                 rec_command(RECORDING_CMD_STOP);
 317                 /* wait for stop to complete */
 318                 while (audio_status() & AUDIO_STATUS_RECORD)
 319                     sleep(1);
 320             }
 321 #endif
 322             bookmark_autobookmark(false);
 323
 324             /* audio_stop_recording == audio_stop for HWCODEC */
 325             audio_stop();
 326
 327             if (callback != NULL)
 328                 callback(parameter);
 329
 330 #if CONFIG_CODEC != SWCODEC
 331             /* wait for audio_stop or audio_stop_recording to complete */
 332             while (audio_status())
 333                 sleep(1);
 334 #endif
 335
 336 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 337             audio_close_recording();
 338 #endif
 339
 340             if(global_settings.talk_menu)
 341             {
 342                 bool enqueue = false;
 343                 if(msg_id != -1)
 344                 {
 345                     talk_id(msg_id, enqueue);
 346                     enqueue = true;
 347                 }
 348                 talk_id(LANG_SHUTTINGDOWN, enqueue);
 349 #if CONFIG_CODEC == SWCODEC
 350                 voice_wait();
 351 #endif
 352             }
 353
 354             system_flush();
 355 #ifdef HAVE_EEPROM_SETTINGS
 356             if (firmware_settings.initialized)
 357             {
 358                 firmware_settings.disk_clean = true;
 359                 firmware_settings.bl_version = 0;
 360                 eeprom_settings_store();
 361             }
 362 #endif
 363         }
 364 #ifdef HAVE_DIRCACHE
 365         else
 366             dircache_disable();
 367 #endif
 368
 369         shutdown_hw();
 370     }
 371     return false;
 372 }
 373
 374 bool list_stop_handler(void)
 375 {
 376     bool ret = false;
 377
 378 #if CONFIG_TUNER
 379     radio_stop();
 380 #endif
 381
 382     /* Stop the music if it is playing */
 383     if(audio_status())
 384     {
 385         if (!global_settings.party_mode)
 386         {
 387 #if CONFIG_CODEC != SWCODEC
 388             if (global_settings.fade_on_stop)
 389                 fade(false, false);
 390 #endif
 391             bookmark_autobookmark(true);
 392             audio_stop();
 393             ret = true;  /* bookmarking can make a refresh necessary */
 394         }
 395     }
 396 #if CONFIG_CHARGING
 397 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 398     else
 399     {
 400         if (charger_inserted())
 401             charging_splash();
 402         else
 403             shutdown_screen(); /* won't return if shutdown actually happens */
 404
 405         ret = true;  /* screen is dirty, caller needs to refresh */
 406     }
 407 #endif
 408 #ifndef HAVE_POWEROFF_WHILE_CHARGING
 409     {
 410         static long last_off = 0;
 411
 412         if (TIME_BEFORE(current_tick, last_off + HZ/2))
 413         {
 414             if (charger_inserted())
 415             {
 416                 charging_splash();
 417                 ret = true;  /* screen is dirty, caller needs to refresh */
 418             }
 419         }
 420         last_off = current_tick;
 421     }
 422 #endif
 423 #endif /* CONFIG_CHARGING */
 424     return ret;
 425 }
 426
 427 #if CONFIG_CHARGING
 428 static bool waiting_to_resume_play = false;
 429 static long play_resume_tick;
 430
 431 static void car_adapter_mode_processing(bool inserted)
 432 {
 433     if (global_settings.car_adapter_mode)
 434     {
 435         if(inserted)
 436         {
 437             /*
 438              * Just got plugged in, delay & resume if we were playing
 439              */
 440             if (audio_status() & AUDIO_STATUS_PAUSE)
 441             {
 442                 /* delay resume a bit while the engine is cranking */
 443                 play_resume_tick = current_tick + HZ*5;
 444                 waiting_to_resume_play = true;
 445             }
 446         }
 447         else
 448         {
 449             /*
 450              * Just got unplugged, pause if playing
 451              */
 452             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 453                 !(audio_status() & AUDIO_STATUS_PAUSE))
 454             {
 455                 pause_action(true, true);
 456             }
 457             waiting_to_resume_play = false;
 458         }
 459     }
 460 }
 461
 462 static void car_adapter_tick(void)
 463 {
 464     if (waiting_to_resume_play)
 465     {
 466         if (TIME_AFTER(current_tick, play_resume_tick))
 467         {
 468             if (audio_status() & AUDIO_STATUS_PAUSE)
 469             {
 470                 queue_broadcast(SYS_CAR_ADAPTER_RESUME, 0);
 471             }
 472             waiting_to_resume_play = false;
 473         }
 474     }
 475 }
 476
 477 void car_adapter_mode_init(void)
 478 {
 479     tick_add_task(car_adapter_tick);
 480 }
 481 #endif
 482
 483 #ifdef HAVE_HEADPHONE_DETECTION
 484 static void unplug_change(bool inserted)
 485 {
 486     static bool headphone_caused_pause = false;
 487
 488     if (global_settings.unplug_mode)
 489     {
 490         int audio_stat = audio_status();
 491         if (inserted)
 492         {
 493             backlight_on();
 494             if ((audio_stat & AUDIO_STATUS_PLAY) &&
 495                     headphone_caused_pause &&
 496                     global_settings.unplug_mode > 1 )
 497                 unpause_action(true, true);
 498             headphone_caused_pause = false;
 499         } else {
 500             if ((audio_stat & AUDIO_STATUS_PLAY) &&
 501                     !(audio_stat & AUDIO_STATUS_PAUSE))
 502             {
 503                 headphone_caused_pause = true;
 504                 pause_action(false, false);
 505             }
 506         }
 507     }
 508 }
 509 #endif
 510
 511 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 512 {
 513 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
 514     static bool resume = false;
 515 #endif
 516
 517     switch(event)
 518     {
 519         case SYS_BATTERY_UPDATE:
 520             if(global_settings.talk_battery_level)
 521             {
 522                 talk_ids(true, VOICE_PAUSE, VOICE_PAUSE,
 523                          LANG_BATTERY_TIME,
 524                          TALK_ID(battery_level(), UNIT_PERCENT),
 525                          VOICE_PAUSE);
 526                 talk_force_enqueue_next();
 527             }
 528             break;
 529         case SYS_USB_CONNECTED:
 530             if (callback != NULL)
 531                 callback(parameter);
 532 #if (CONFIG_STORAGE & STORAGE_MMC) && (defined(ARCHOS_ONDIOSP) || defined(ARCHOS_ONDIOFM))
 533             if (!mmc_touched() ||
 534                 (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
 535 #endif
 536             {
 537                 system_flush();
 538 #ifdef BOOTFILE
 539 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
 540                 check_bootfile(false); /* gets initial size */
 541 #endif
 542 #endif
 543                 gui_usb_screen_run(false);
 544 #ifdef BOOTFILE
 545 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
 546                 check_bootfile(true);
 547 #endif
 548 #endif
 549                 system_restore();
 550             }
 551             return SYS_USB_CONNECTED;
 552
 553         case SYS_POWEROFF:
 554             if (!clean_shutdown(callback, parameter))
 555                 return SYS_POWEROFF;
 556             break;
 557 #if CONFIG_CHARGING
 558         case SYS_CHARGER_CONNECTED:
 559             car_adapter_mode_processing(true);
 560             return SYS_CHARGER_CONNECTED;
 561
 562         case SYS_CHARGER_DISCONNECTED:
 563             car_adapter_mode_processing(false);
 564             /*reset rockbox battery runtime*/
 565             global_status.runtime = 0;
 566             return SYS_CHARGER_DISCONNECTED;
 567
 568         case SYS_CAR_ADAPTER_RESUME:
 569             unpause_action(true, true);
 570             return SYS_CAR_ADAPTER_RESUME;
 571 #endif
 572 #ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
 573         case SYS_FS_CHANGED:
 574         {
 575             /* simple sanity: assume rockbox is on the first hotswappable
 576              * driver, abort out if that one isn't inserted */
 577             int i;
 578             for (i = 0; i < NUM_DRIVES; i++)
 579             {
 580                 if (storage_removable(i) && !storage_present(i))
 581                     return SYS_FS_CHANGED;
 582             }
 583             system_flush();
 584             check_bootfile(true); /* state gotten in main.c:init() */
 585             system_restore();
 586         }
 587             return SYS_FS_CHANGED;
 588 #endif
 589 #ifdef HAVE_HEADPHONE_DETECTION
 590         case SYS_PHONE_PLUGGED:
 591             unplug_change(true);
 592             return SYS_PHONE_PLUGGED;
 593
 594         case SYS_PHONE_UNPLUGGED:
 595             unplug_change(false);
 596             return SYS_PHONE_UNPLUGGED;
 597 #endif
 598 #ifdef IPOD_ACCESSORY_PROTOCOL
 599         case SYS_IAP_PERIODIC:
 600             iap_periodic();
 601             return SYS_IAP_PERIODIC;
 602         case SYS_IAP_HANDLEPKT:
 603             iap_handlepkt();
 604             return SYS_IAP_HANDLEPKT;
 605 #endif
 606 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
 607         /* stop playback if we receive a call */
 608         case SYS_CALL_INCOMING:
 609             resume = audio_status() == AUDIO_STATUS_PLAY;
 610             list_stop_handler();
 611             return SYS_CALL_INCOMING;
 612         /* resume playback if needed */
 613         case SYS_CALL_HUNG_UP:
 614             if (resume && playlist_resume() != -1)
 615             {
 616                 playlist_start(global_status.resume_index,
 617                                global_status.resume_offset);
 618             }
 619             resume = false;
 620             return SYS_CALL_HUNG_UP;
 621 #endif
 622 #if (CONFIG_PLATFORM & PLATFORM_HOSTED) && defined(PLATFORM_HAS_VOLUME_CHANGE)
 623         case SYS_VOLUME_CHANGED:
 624         {
 625             static bool firstvolume = true;
 626             /* kludge: since this events go to the button_queue,
 627              * event data is available in the last button data */
 628             int volume = button_get_data();
 629             DEBUGF("SYS_VOLUME_CHANGED: %d\n", volume);
 630             if (global_settings.volume != volume) {
 631                 global_settings.volume = volume;
 632                 if (firstvolume) {
 633                     setvol();
 634                     firstvolume = false;
 635                 }
 636             }
 637             return 0;
 638         }
 639 #endif
 640 #ifdef HAVE_MULTIMEDIA_KEYS
 641         /* multimedia keys on keyboards, headsets */
 642         case BUTTON_MULTIMEDIA_PLAYPAUSE:
 643         {
 644             int status = audio_status();
 645             if (status & AUDIO_STATUS_PLAY)
 646             {
 647                 if (status & AUDIO_STATUS_PAUSE)
 648                     unpause_action(true, true);
 649                 else
 650                     pause_action(true, true);
 651             }
 652             else
 653                 if (playlist_resume() != -1)
 654                 {
 655                     playlist_start(global_status.resume_index,
 656                                    global_status.resume_offset);
 657                 }
 658             return event;
 659         }
 660         case BUTTON_MULTIMEDIA_NEXT:
 661             audio_next();
 662             return event;
 663         case BUTTON_MULTIMEDIA_PREV:
 664             audio_prev();
 665             return event;
 666         case BUTTON_MULTIMEDIA_STOP:
 667             list_stop_handler();
 668             return event;
 669         case BUTTON_MULTIMEDIA_REW:
 670         case BUTTON_MULTIMEDIA_FFWD:
 671             /* not supported yet, needs to be done in the WPS */
 672             return 0;
 673 #endif
 674     }
 675     return 0;
 676 }
 677
 678 long default_event_handler(long event)
 679 {
 680     return default_event_handler_ex(event, NULL, NULL);
 681 }
 682
 683 int show_logo( void )
 684 {
 685 #ifdef HAVE_LCD_BITMAP
 686     char version[32];
 687     int font_h, font_w;
 688
 689     snprintf(version, sizeof(version), "Ver. %s", rbversion);
 690
 691     lcd_clear_display();
 692 #if defined(SANSA_CLIP) || defined(SANSA_CLIPV2) || defined(SANSA_CLIPPLUS)
 693     /* display the logo in the blue area of the screen */
 694     lcd_setfont(FONT_SYSFIXED);
 695     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 696     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 697                0, (unsigned char *)version);
 698     lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 16);
 699 #else
 700     lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 10);
 701     lcd_setfont(FONT_SYSFIXED);
 702     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 703     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 704                LCD_HEIGHT-font_h, (unsigned char *)version);
 705 #endif
 706     lcd_setfont(FONT_UI);
 707
 708 #else
 709     char *rockbox = "  ROCKbox!";
 710
 711     lcd_clear_display();
 712     lcd_double_height(true);
 713     lcd_puts(0, 0, rockbox);
 714     lcd_puts_scroll(0, 1, rbversion);
 715 #endif
 716     lcd_update();
 717
 718 #ifdef HAVE_REMOTE_LCD
 719     lcd_remote_clear_display();
 720     lcd_remote_bmp(&bm_remote_rockboxlogo, 0, 10);
 721     lcd_remote_setfont(FONT_SYSFIXED);
 722     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 723     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 724                        LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 725     lcd_remote_setfont(FONT_UI);
 726     lcd_remote_update();
 727 #endif
 728
 729     return 0;
 730 }
 731
 732 #ifdef BOOTFILE
 733 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
 734 /*
 735     memorize/compare details about the BOOTFILE
 736     we don't use dircache because it may not be up to date after
 737     USB disconnect (scanning in the background)
 738 */
 739 void check_bootfile(bool do_rolo)
 740 {
 741     static unsigned short wrtdate = 0;
 742     static unsigned short wrttime = 0;
 743     DIR* dir = NULL;
 744     struct dirent* entry = NULL;
 745
 746     /* 1. open BOOTDIR and find the BOOTFILE dir entry */
 747     dir = opendir(BOOTDIR);
 748
 749     if(!dir) return; /* do we want an error splash? */
 750
 751     /* loop all files in BOOTDIR */
 752     while(0 != (entry = readdir(dir)))
 753     {
 754         if(!strcasecmp(entry->d_name, BOOTFILE))
 755         {
 756             struct dirinfo info = dir_get_info(dir, entry);
 757             /* found the bootfile */
 758             if(wrtdate && do_rolo)
 759             {
 760                 if((info.wrtdate != wrtdate) ||
 761                    (info.wrttime != wrttime))
 762                 {
 763                     static const char *lines[] = { ID2P(LANG_BOOT_CHANGED),
 764                                                    ID2P(LANG_REBOOT_NOW) };
 765                     static const struct text_message message={ lines, 2 };
 766                     button_clear_queue(); /* Empty the keyboard buffer */
 767                     if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
 768                     {
 769                         audio_hard_stop();
 770                         rolo_load(BOOTDIR "/" BOOTFILE);
 771                     }
 772                 }
 773             }
 774             wrtdate = info.wrtdate;
 775             wrttime = info.wrttime;
 776         }
 777     }
 778     closedir(dir);
 779 }
 780 #endif
 781 #endif
 782
 783 /* check range, set volume and save settings */
 784 void setvol(void)
 785 {
 786     const int min_vol = sound_min(SOUND_VOLUME);
 787     const int max_vol = sound_max(SOUND_VOLUME);
 788     if (global_settings.volume < min_vol)
 789         global_settings.volume = min_vol;
 790     if (global_settings.volume > max_vol)
 791         global_settings.volume = max_vol;
 792     sound_set_volume(global_settings.volume);
 793     global_status.last_volume_change = current_tick;
 794     settings_save();
 795 }
 796
 797 char* strrsplt(char* str, int c)
 798 {
 799     char* s = strrchr(str, c);
 800
 801     if (s != NULL)
 802     {
 803         *s++ = '\0';
 804     }
 805     else
 806     {
 807         s = str;
 808     }
 809
 810     return s;
 811 }
 812
 813 /*
 814  * removes the extension of filename (if it doesn't start with a .)
 815  * puts the result in buffer
 816  */
 817 char *strip_extension(char* buffer, int buffer_size, const char *filename)
 818 {
 819     char *dot = strrchr(filename, '.');
 820     int len;
 821
 822     if (buffer_size <= 0)
 823     {
 824         return NULL;
 825     }
 826
 827     buffer_size--;  /* Make room for end nil */
 828
 829     if (dot != 0 && filename[0] != '.')
 830     {
 831         len = dot - filename;
 832         len = MIN(len, buffer_size);
 833     }
 834     else
 835     {
 836         len = buffer_size;
 837     }
 838
 839     strlcpy(buffer, filename, len + 1);
 840
 841     return buffer;
 842 }
 843
 844 #if CONFIG_CODEC == SWCODEC
 845 /* Play a standard sound */
 846 void system_sound_play(enum system_sound sound)
 847 {
 848     static const struct beep_params
 849     {
 850         int *setting;
 851         unsigned short frequency;
 852         unsigned short duration;
 853         unsigned short amplitude;
 854     } beep_params[] =
 855     {
 856         [SOUND_KEYCLICK] =
 857         { &global_settings.keyclick,
 858           4000, KEYCLICK_DURATION, 2500 },
 859         [SOUND_TRACK_SKIP] =
 860         { &global_settings.beep,
 861           2000, 100, 2500 },
 862         [SOUND_TRACK_NO_MORE] =
 863         { &global_settings.beep,
 864           1000, 100, 1500 },
 865     };
 866
 867     const struct beep_params *params = &beep_params[sound];
 868
 869     if (*params->setting)
 870     {
 871         beep_play(params->frequency, params->duration,
 872                   params->amplitude * *params->setting);
 873     }
 874 }
 875
 876 /* Produce keyclick based upon button and global settings */
 877 void keyclick_click(int button)
 878 {
 879     static long last_button = BUTTON_NONE;
 880     bool do_beep = false;
 881     /* Settings filters */
 882     if (
 883 #ifdef HAVE_HARDWARE_CLICK
 884         (global_settings.keyclick || global_settings.keyclick_hardware)
 885 #else
 886         global_settings.keyclick
 887 #endif
 888         )
 889     {
 890         if (global_settings.keyclick_repeats || !(button & BUTTON_REPEAT))
 891         {
 892             /* Button filters */
 893             if (button != BUTTON_NONE && !(button & BUTTON_REL)
 894                 && !(button & (SYS_EVENT|BUTTON_MULTIMEDIA)) )
 895             {
 896                 do_beep = true;
 897             }
 898         }
 899         else if ((button & BUTTON_REPEAT) && (last_button == BUTTON_NONE))
 900         {
 901             do_beep = true;
 902         }
 903 #ifdef HAVE_SCROLLWHEEL
 904         else if (button & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD))
 905         {
 906             do_beep  = true;
 907         }
 908 #endif
 909     }
 910     if (button&BUTTON_REPEAT)
 911         last_button = button;
 912     else
 913         last_button = BUTTON_NONE;
 914     if (do_beep)
 915     {
 916 #ifdef HAVE_HARDWARE_CLICK
 917         if (global_settings.keyclick)
 918         {
 919             system_sound_play(SOUND_KEYCLICK);
 920         }
 921         if (global_settings.keyclick_hardware)
 922         {
 923 #if !defined(SIMULATOR)
 924             piezo_button_beep(false, false);
 925 #endif
 926         }
 927 #else
 928         system_sound_play(SOUND_KEYCLICK);
 929 #endif
 930     }
 931 }
 932 #endif /* CONFIG_CODEC == SWCODEC */
 933
 934 #endif /* !defined(__PCTOOL__) */
 935
 936 /* Read (up to) a line of text from fd into buffer and return number of bytes
 937  * read (which may be larger than the number of bytes stored in buffer). If
 938  * an error occurs, -1 is returned (and buffer contains whatever could be
 939  * read). A line is terminated by a LF char. Neither LF nor CR chars are
 940  * stored in buffer.
 941  */
 942 int read_line(int fd, char* buffer, int buffer_size)
 943 {
 944     int count = 0;
 945     int num_read = 0;
 946
 947     errno = 0;
 948
 949     while (count < buffer_size)
 950     {
 951         unsigned char c;
 952
 953         if (1 != read(fd, &c, 1))
 954             break;
 955
 956         num_read++;
 957
 958         if ( c == '\n' )
 959             break;
 960
 961         if ( c == '\r' )
 962             continue;
 963
 964         buffer[count++] = c;
 965     }
 966
 967     buffer[MIN(count, buffer_size - 1)] = 0;
 968
 969     return errno ? -1 : num_read;
 970 }
 971
 972
 973 char* skip_whitespace(char* const str)
 974 {
 975     char *s = str;
 976
 977     while (isspace(*s))
 978         s++;
 979
 980     return s;
 981 }
 982
 983 /* Format time into buf.
 984  *
 985  * buf      - buffer to format to.
 986  * buf_size - size of buffer.
 987  * t        - time to format, in milliseconds.
 988  */
 989 void format_time(char* buf, int buf_size, long t)
 990 {
 991     int const time = abs(t / 1000);
 992     int const hours = time / 3600;
 993     int const minutes = time / 60 - hours * 60;
 994     int const seconds = time % 60;
 995     const char * const sign = &"-"[t < 0 ? 0 : 1];
 996
 997     if ( hours == 0 )
 998     {
 999         snprintf(buf, buf_size, "%s%d:%02d", sign, minutes, seconds);
1000     }
1001     else
1002     {
1003         snprintf(buf, buf_size, "%s%d:%02d:%02d", sign, hours, minutes,
1004                  seconds);
1005     }
1006 }
1007
1008
1009 /** Open a UTF-8 file and set file descriptor to first byte after BOM.
1010  *  If no BOM is present this behaves like open().
1011  *  If the file is opened for writing and O_TRUNC is set, write a BOM to
1012  *  the opened file and leave the file pointer set after the BOM.
1013  */
1014
1015 int open_utf8(const char* pathname, int flags)
1016 {
1017     int fd;
1018     unsigned char bom[BOM_UTF_8_SIZE];
1019
1020     fd = open(pathname, flags, 0666);
1021     if(fd < 0)
1022         return fd;
1023
1024     if(flags & (O_TRUNC | O_WRONLY))
1025     {
1026         write(fd, BOM_UTF_8, BOM_UTF_8_SIZE);
1027     }
1028     else
1029     {
1030         read(fd, bom, BOM_UTF_8_SIZE);
1031         /* check for BOM */
1032         if(memcmp(bom, BOM_UTF_8, BOM_UTF_8_SIZE))
1033             lseek(fd, 0, SEEK_SET);
1034     }
1035     return fd;
1036 }
1037
1038
1039 #ifdef HAVE_LCD_COLOR
1040 /*
1041  * Helper function to convert a string of 6 hex digits to a native colour
1042  */
1043
1044 static int hex2dec(int c)
1045 {
1046     return  (((c) >= '0' && ((c) <= '9')) ? (c) - '0' :
1047                                             (toupper(c)) - 'A' + 10);
1048 }
1049
1050 int hex_to_rgb(const char* hex, int* color)
1051 {
1052     int red, green, blue;
1053     int i = 0;
1054
1055     while ((i < 6) && (isxdigit(hex[i])))
1056         i++;
1057
1058     if (i < 6)
1059         return -1;
1060
1061     red = (hex2dec(hex[0]) << 4) | hex2dec(hex[1]);
1062     green = (hex2dec(hex[2]) << 4) | hex2dec(hex[3]);
1063     blue = (hex2dec(hex[4]) << 4) | hex2dec(hex[5]);
1064
1065     *color = LCD_RGBPACK(red,green,blue);
1066
1067     return 0;
1068 }
1069 #endif /* HAVE_LCD_COLOR */
1070
1071 #ifdef HAVE_LCD_BITMAP
1072 /* '0'-'3' are ASCII 0x30 to 0x33 */
1073 #define is0123(x) (((x) & 0xfc) == 0x30)
1074 #if !defined(__PCTOOL__) || defined(CHECKWPS)
1075 bool parse_color(enum screen_type screen, char *text, int *value)
1076 {
1077     (void)text; (void)value; /* silence warnings on mono bitmap */
1078     (void)screen;
1079
1080 #ifdef HAVE_LCD_COLOR
1081     if (screens[screen].depth > 2)
1082     {
1083         if (hex_to_rgb(text, value) < 0)
1084             return false;
1085         else
1086             return true;
1087     }
1088 #endif
1089
1090 #if LCD_DEPTH == 2 || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 2)
1091     if (screens[screen].depth == 2)
1092     {
1093         if (text[1] != '\0' || !is0123(*text))
1094             return false;
1095         *value = *text - '0';
1096         return true;
1097     }
1098 #endif
1099     return false;
1100 }
1101 #endif /* !defined(__PCTOOL__) || defined(CHECKWPS) */
1102
1103 /* only used in USB HID and set_time screen */
1104 #if defined(USB_ENABLE_HID) || (CONFIG_RTC != 0)
1105 int clamp_value_wrap(int value, int max, int min)
1106 {
1107     if (value > max)
1108         return min;
1109     if (value < min)
1110         return max;
1111     return value;
1112 }
1113 #endif
1114 #endif
1115 #define MAX_ACTIVITY_DEPTH 12
1116 static enum current_activity
1117         current_activity[MAX_ACTIVITY_DEPTH] = {ACTIVITY_UNKNOWN};
1118 static int current_activity_top = 0;
1119 void push_current_activity(enum current_activity screen)
1120 {
1121     current_activity[current_activity_top++] = screen;
1122 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
1123     FOR_NB_SCREENS(i)
1124         skinlist_set_cfg(i, NULL);
1125 #endif
1126 }
1127 void pop_current_activity(void)
1128 {
1129     current_activity_top--;
1130 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
1131     FOR_NB_SCREENS(i)
1132         skinlist_set_cfg(i, NULL);
1133 #endif
1134 }
1135 enum current_activity get_current_activity(void)
1136 {
1137     return current_activity[current_activity_top?current_activity_top-1:0];
1138 }