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 #ifdef HAVE_REMOTE_LCD
  37 #include "lcd-remote.h"
  38 #endif
  39 #include "action.h"
  40 #include "timefuncs.h"
  41 #include "screens.h"
  42 #include "usb_screen.h"
  43 #include "talk.h"
  44 #include "audio.h"
  45 #include "mp3_playback.h"
  46 #include "settings.h"
  47 #include "storage.h"
  48 #include "ata_idle_notify.h"
  49 #include "kernel.h"
  50 #include "power.h"
  51 #include "powermgmt.h"
  52 #include "backlight.h"
  53 #include "version.h"
  54 #include "font.h"
  55 #include "splash.h"
  56 #include "tagcache.h"
  57 #include "scrobbler.h"
  58 #include "sound.h"
  59 #include "playlist.h"
  60 #include "yesno.h"
  61 #include "viewport.h"
  62 #include "list.h"
  63
  64 #include "debug.h"
  65
  66 #if CONFIG_TUNER
  67 #include "radio.h"
  68 #endif
  69
  70 #ifdef IPOD_ACCESSORY_PROTOCOL
  71 #include "iap.h"
  72 #endif
  73
  74 #if (CONFIG_STORAGE & STORAGE_MMC)
  75 #include "ata_mmc.h"
  76 #endif
  77 #include "tree.h"
  78 #include "eeprom_settings.h"
  79 #if defined(HAVE_RECORDING) && !defined(__PCTOOL__)
  80 #include "recording.h"
  81 #endif
  82 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
  83 #include "bmp.h"
  84 #include "icons.h"
  85 #endif /* End HAVE_LCD_BITMAP */
  86 #include "bookmark.h"
  87 #include "wps.h"
  88 #include "playback.h"
  89 #if CONFIG_CODEC == SWCODEC
  90 #include "voice_thread.h"
  91 #endif
  92
  93 #ifdef BOOTFILE
  94 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) \
  95         || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
  96 #include "rolo.h"
  97 #endif
  98 #endif
  99
 100 #ifdef HAVE_HARDWARE_CLICK
 101 #include "piezo.h"
 102 #endif
 103
 104 /* units used with output_dyn_value */
 105 const unsigned char * const byte_units[] =
 106 {
 107     ID2P(LANG_BYTE),
 108     ID2P(LANG_KILOBYTE),
 109     ID2P(LANG_MEGABYTE),
 110     ID2P(LANG_GIGABYTE)
 111 };
 112
 113 const unsigned char * const * const kbyte_units = &byte_units[1];
 114
 115 /* Format a large-range value for output, using the appropriate unit so that
 116  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
 117  * units) if possible, and 3 significant digits are shown. If a buffer is
 118  * given, the result is snprintf()'d into that buffer, otherwise the result is
 119  * voiced.*/
 120 char *output_dyn_value(char *buf, int buf_size, int value,
 121                        const unsigned char * const *units, bool bin_scale)
 122 {
 123     int scale = bin_scale ? 1024 : 1000;
 124     int fraction = 0;
 125     int unit_no = 0;
 126     char tbuf[5];
 127
 128     while (value >= scale)
 129     {
 130         fraction = value % scale;
 131         value /= scale;
 132         unit_no++;
 133     }
 134     if (bin_scale)
 135         fraction = fraction * 1000 / 1024;
 136
 137     if (value >= 100 || !unit_no)
 138         tbuf[0] = '\0';
 139     else if (value >= 10)
 140         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
 141     else
 142         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
 143
 144     if (buf)
 145     {
 146         if (*tbuf)
 147             snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
 148                      tbuf, P2STR(units[unit_no]));
 149         else
 150             snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
 151     }
 152     else
 153     {
 154         talk_fractional(tbuf, value, P2ID(units[unit_no]));
 155     }
 156     return buf;
 157 }
 158
 159 /* Ask the user if they really want to erase the current dynamic playlist
 160  * returns true if the playlist should be replaced */
 161 bool warn_on_pl_erase(void)
 162 {
 163     if (global_settings.warnon_erase_dynplaylist &&
 164         !global_settings.party_mode &&
 165         playlist_modified(NULL))
 166     {
 167         static const char *lines[] =
 168             {ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 169         static const struct text_message message={lines, 1};
 170
 171         return (gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES);
 172     }
 173     else
 174         return true;
 175 }
 176
 177
 178 /* Performance optimized version of the read_line() (see below) function. */
 179 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
 180                   int (*callback)(int n, char *buf, void *parameters))
 181 {
 182     char *p, *next;
 183     int rc, pos = 0;
 184     int count = 0;
 185
 186     while ( 1 )
 187     {
 188         next = NULL;
 189
 190         rc = read(fd, &buf[pos], buf_size - pos - 1);
 191         if (rc >= 0)
 192             buf[pos+rc] = '\0';
 193
 194         if ( (p = strchr(buf, '\n')) != NULL)
 195         {
 196             *p = '\0';
 197             next = ++p;
 198         }
 199
 200         rc = callback(count, buf, parameters);
 201         if (rc < 0)
 202             return rc;
 203
 204         count++;
 205         if (next)
 206         {
 207             pos = buf_size - ((long)next - (long)buf) - 1;
 208             memmove(buf, next, pos);
 209         }
 210         else
 211             break ;
 212     }
 213
 214     return 0;
 215 }
 216
 217 /* parse a line from a configuration file. the line format is:
 218
 219    name: value
 220
 221    Any whitespace before setting name or value (after ':') is ignored.
 222    A # as first non-whitespace character discards the whole line.
 223    Function sets pointers to null-terminated setting name and value.
 224    Returns false if no valid config entry was found.
 225 */
 226
 227 bool settings_parseline(char* line, char** name, char** value)
 228 {
 229     char* ptr;
 230
 231     line = skip_whitespace(line);
 232
 233     if ( *line == '#' )
 234         return false;
 235
 236     ptr = strchr(line, ':');
 237     if ( !ptr )
 238         return false;
 239
 240     *name = line;
 241     *ptr = 0;
 242     ptr++;
 243     ptr = skip_whitespace(ptr);
 244     *value = ptr;
 245     return true;
 246 }
 247
 248 static void system_flush(void)
 249 {
 250     playlist_shutdown();
 251     tree_flush();
 252     call_storage_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
 253 }
 254
 255 static void system_restore(void)
 256 {
 257     tree_restore();
 258 }
 259
 260 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 261 {
 262     long msg_id = -1;
 263
 264     scrobbler_poweroff();
 265
 266 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 267     if(!charger_inserted())
 268 #endif
 269     {
 270         bool batt_safe = battery_level_safe();
 271 #if CONFIG_CODEC != SWCODEC || defined(HAVE_RECORDING)
 272         int audio_stat = audio_status();
 273 #endif
 274
 275         FOR_NB_SCREENS(i)
 276         {
 277             screens[i].clear_display();
 278             screens[i].update();
 279         }
 280
 281         if (batt_safe)
 282         {
 283             int level;
 284 #ifdef HAVE_TAGCACHE
 285             if (!tagcache_prepare_shutdown())
 286             {
 287                 cancel_shutdown();
 288                 splash(HZ, ID2P(LANG_TAGCACHE_BUSY));
 289                 return false;
 290             }
 291 #endif
 292             level = battery_level();
 293             if (level > 10 || level < 0)
 294                 splash(0, str(LANG_SHUTTINGDOWN));
 295             else
 296             {
 297                 msg_id = LANG_WARNING_BATTERY_LOW;
 298                 splashf(0, "%s %s", str(LANG_WARNING_BATTERY_LOW),
 299                                     str(LANG_SHUTTINGDOWN));
 300             }
 301         }
 302         else
 303         {
 304             msg_id = LANG_WARNING_BATTERY_EMPTY;
 305             splashf(0, "%s %s", str(LANG_WARNING_BATTERY_EMPTY),
 306                                 str(LANG_SHUTTINGDOWN));
 307         }
 308 #if CONFIG_CODEC != SWCODEC
 309         if (global_settings.fade_on_stop
 310             && (audio_stat & AUDIO_STATUS_PLAY))
 311         {
 312             fade(false, false);
 313         }
 314 #endif
 315
 316         if (batt_safe) /* do not save on critical battery */
 317         {
 318 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 319             if (audio_stat & AUDIO_STATUS_RECORD)
 320             {
 321                 rec_command(RECORDING_CMD_STOP);
 322                 /* wait for stop to complete */
 323                 while (audio_status() & AUDIO_STATUS_RECORD)
 324                     sleep(1);
 325             }
 326 #endif
 327             bookmark_autobookmark(false);
 328
 329             /* audio_stop_recording == audio_stop for HWCODEC */
 330             audio_stop();
 331
 332             if (callback != NULL)
 333                 callback(parameter);
 334
 335 #if CONFIG_CODEC != SWCODEC
 336             /* wait for audio_stop or audio_stop_recording to complete */
 337             while (audio_status())
 338                 sleep(1);
 339 #endif
 340
 341 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 342             audio_close_recording();
 343 #endif
 344
 345             if(global_settings.talk_menu)
 346             {
 347                 bool enqueue = false;
 348                 if(msg_id != -1)
 349                 {
 350                     talk_id(msg_id, enqueue);
 351                     enqueue = true;
 352                 }
 353                 talk_id(LANG_SHUTTINGDOWN, enqueue);
 354 #if CONFIG_CODEC == SWCODEC
 355                 voice_wait();
 356 #endif
 357             }
 358
 359             system_flush();
 360 #ifdef HAVE_EEPROM_SETTINGS
 361             if (firmware_settings.initialized)
 362             {
 363                 firmware_settings.disk_clean = true;
 364                 firmware_settings.bl_version = 0;
 365                 eeprom_settings_store();
 366             }
 367 #endif
 368         }
 369 #ifdef HAVE_DIRCACHE
 370         else
 371             dircache_disable();
 372 #endif
 373
 374         shutdown_hw();
 375     }
 376     return false;
 377 }
 378
 379 bool list_stop_handler(void)
 380 {
 381     bool ret = false;
 382
 383 #if CONFIG_TUNER
 384     radio_stop();
 385 #endif
 386
 387     /* Stop the music if it is playing */
 388     if(audio_status())
 389     {
 390         if (!global_settings.party_mode)
 391         {
 392 #if CONFIG_CODEC != SWCODEC
 393             if (global_settings.fade_on_stop)
 394                 fade(false, false);
 395 #endif
 396             bookmark_autobookmark(true);
 397             audio_stop();
 398             ret = true;  /* bookmarking can make a refresh necessary */
 399         }
 400     }
 401 #if CONFIG_CHARGING
 402 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 403     else
 404     {
 405         if (charger_inserted())
 406             charging_splash();
 407         else
 408             shutdown_screen(); /* won't return if shutdown actually happens */
 409
 410         ret = true;  /* screen is dirty, caller needs to refresh */
 411     }
 412 #endif
 413 #ifndef HAVE_POWEROFF_WHILE_CHARGING
 414     {
 415         static long last_off = 0;
 416
 417         if (TIME_BEFORE(current_tick, last_off + HZ/2))
 418         {
 419             if (charger_inserted())
 420             {
 421                 charging_splash();
 422                 ret = true;  /* screen is dirty, caller needs to refresh */
 423             }
 424         }
 425         last_off = current_tick;
 426     }
 427 #endif
 428 #endif /* CONFIG_CHARGING */
 429     return ret;
 430 }
 431
 432 #if CONFIG_CHARGING
 433 static bool waiting_to_resume_play = false;
 434 static long play_resume_tick;
 435
 436 static void car_adapter_mode_processing(bool inserted)
 437 {
 438     if (global_settings.car_adapter_mode)
 439     {
 440         if(inserted)
 441         {
 442             /*
 443              * Just got plugged in, delay & resume if we were playing
 444              */
 445             if (audio_status() & AUDIO_STATUS_PAUSE)
 446             {
 447                 /* delay resume a bit while the engine is cranking */
 448                 play_resume_tick = current_tick + HZ*5;
 449                 waiting_to_resume_play = true;
 450             }
 451         }
 452         else
 453         {
 454             /*
 455              * Just got unplugged, pause if playing
 456              */
 457             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 458                 !(audio_status() & AUDIO_STATUS_PAUSE))
 459             {
 460                 pause_action(true, true);
 461             }
 462             waiting_to_resume_play = false;
 463         }
 464     }
 465 }
 466
 467 static void car_adapter_tick(void)
 468 {
 469     if (waiting_to_resume_play)
 470     {
 471         if (TIME_AFTER(current_tick, play_resume_tick))
 472         {
 473             if (audio_status() & AUDIO_STATUS_PAUSE)
 474             {
 475                 queue_broadcast(SYS_CAR_ADAPTER_RESUME, 0);
 476             }
 477             waiting_to_resume_play = false;
 478         }
 479     }
 480 }
 481
 482 void car_adapter_mode_init(void)
 483 {
 484     tick_add_task(car_adapter_tick);
 485 }
 486 #endif
 487
 488 #ifdef HAVE_HEADPHONE_DETECTION
 489 static void unplug_change(bool inserted)
 490 {
 491     static bool headphone_caused_pause = false;
 492
 493     if (global_settings.unplug_mode)
 494     {
 495         int audio_stat = audio_status();
 496         if (inserted)
 497         {
 498             backlight_on();
 499             if ((audio_stat & AUDIO_STATUS_PLAY) &&
 500                     headphone_caused_pause &&
 501                     global_settings.unplug_mode > 1 )
 502                 unpause_action(true, true);
 503             headphone_caused_pause = false;
 504         } else {
 505             if ((audio_stat & AUDIO_STATUS_PLAY) &&
 506                     !(audio_stat & AUDIO_STATUS_PAUSE))
 507             {
 508                 headphone_caused_pause = true;
 509                 pause_action(false, false);
 510             }
 511         }
 512     }
 513 }
 514 #endif
 515
 516 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 517 {
 518 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
 519     static bool resume = false;
 520 #endif
 521
 522     switch(event)
 523     {
 524         case SYS_BATTERY_UPDATE:
 525             if(global_settings.talk_battery_level)
 526             {
 527                 talk_ids(true, VOICE_PAUSE, VOICE_PAUSE,
 528                          LANG_BATTERY_TIME,
 529                          TALK_ID(battery_level(), UNIT_PERCENT),
 530                          VOICE_PAUSE);
 531                 talk_force_enqueue_next();
 532             }
 533             break;
 534         case SYS_USB_CONNECTED:
 535             if (callback != NULL)
 536                 callback(parameter);
 537 #if (CONFIG_STORAGE & STORAGE_MMC) && (defined(ARCHOS_ONDIOSP) || defined(ARCHOS_ONDIOFM))
 538             if (!mmc_touched() ||
 539                 (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
 540 #endif
 541             {
 542                 system_flush();
 543 #ifdef BOOTFILE
 544 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
 545                 check_bootfile(false); /* gets initial size */
 546 #endif
 547 #endif
 548                 gui_usb_screen_run(false);
 549 #ifdef BOOTFILE
 550 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF)
 551                 check_bootfile(true);
 552 #endif
 553 #endif
 554                 system_restore();
 555             }
 556             return SYS_USB_CONNECTED;
 557
 558         case SYS_POWEROFF:
 559             if (!clean_shutdown(callback, parameter))
 560                 return SYS_POWEROFF;
 561             break;
 562 #if CONFIG_CHARGING
 563         case SYS_CHARGER_CONNECTED:
 564             car_adapter_mode_processing(true);
 565             return SYS_CHARGER_CONNECTED;
 566
 567         case SYS_CHARGER_DISCONNECTED:
 568             car_adapter_mode_processing(false);
 569             /*reset rockbox battery runtime*/
 570             global_status.runtime = 0;
 571             return SYS_CHARGER_DISCONNECTED;
 572
 573         case SYS_CAR_ADAPTER_RESUME:
 574             unpause_action(true, true);
 575             return SYS_CAR_ADAPTER_RESUME;
 576 #endif
 577 #ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
 578         case SYS_FS_CHANGED:
 579         {
 580             /* simple sanity: assume rockbox is on the first hotswappable
 581              * driver, abort out if that one isn't inserted */
 582             int i;
 583             for (i = 0; i < NUM_DRIVES; i++)
 584             {
 585                 if (storage_removable(i) && !storage_present(i))
 586                     return SYS_FS_CHANGED;
 587             }
 588             system_flush();
 589             check_bootfile(true); /* state gotten in main.c:init() */
 590             system_restore();
 591         }
 592             return SYS_FS_CHANGED;
 593 #endif
 594 #ifdef HAVE_HEADPHONE_DETECTION
 595         case SYS_PHONE_PLUGGED:
 596             unplug_change(true);
 597             return SYS_PHONE_PLUGGED;
 598
 599         case SYS_PHONE_UNPLUGGED:
 600             unplug_change(false);
 601             return SYS_PHONE_UNPLUGGED;
 602 #endif
 603 #ifdef IPOD_ACCESSORY_PROTOCOL
 604         case SYS_IAP_PERIODIC:
 605             iap_periodic();
 606             return SYS_IAP_PERIODIC;
 607         case SYS_IAP_HANDLEPKT:
 608             iap_handlepkt();
 609             return SYS_IAP_HANDLEPKT;
 610 #endif
 611 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
 612         /* stop playback if we receive a call */
 613         case SYS_CALL_INCOMING:
 614             resume = audio_status() == AUDIO_STATUS_PLAY;
 615             list_stop_handler();
 616             return SYS_CALL_INCOMING;
 617         /* resume playback if needed */
 618         case SYS_CALL_HUNG_UP:
 619             if (resume && playlist_resume() != -1)
 620             {
 621                 playlist_start(global_status.resume_index,
 622                                global_status.resume_offset);
 623             }
 624             resume = false;
 625             return SYS_CALL_HUNG_UP;
 626 #endif
 627 #if (CONFIG_PLATFORM & PLATFORM_HOSTED) && defined(PLATFORM_HAS_VOLUME_CHANGE)
 628         case SYS_VOLUME_CHANGED:
 629         {
 630             static bool firstvolume = true;
 631             /* kludge: since this events go to the button_queue,
 632              * event data is available in the last button data */
 633             int volume = button_get_data();
 634             DEBUGF("SYS_VOLUME_CHANGED: %d\n", volume);
 635             if (global_settings.volume != volume) {
 636                 global_settings.volume = volume;
 637                 if (firstvolume) {
 638                     setvol();
 639                     firstvolume = false;
 640                 }
 641             }
 642             return 0;
 643         }
 644 #endif
 645 #ifdef HAVE_MULTIMEDIA_KEYS
 646         /* multimedia keys on keyboards, headsets */
 647         case BUTTON_MULTIMEDIA_PLAYPAUSE:
 648         {
 649             int status = audio_status();
 650             if (status & AUDIO_STATUS_PLAY)
 651             {
 652                 if (status & AUDIO_STATUS_PAUSE)
 653                     unpause_action(true, true);
 654                 else
 655                     pause_action(true, true);
 656             }
 657             else
 658                 if (playlist_resume() != -1)
 659                 {
 660                     playlist_start(global_status.resume_index,
 661                                    global_status.resume_offset);
 662                 }
 663             return event;
 664         }
 665         case BUTTON_MULTIMEDIA_NEXT:
 666             audio_next();
 667             return event;
 668         case BUTTON_MULTIMEDIA_PREV:
 669             audio_prev();
 670             return event;
 671         case BUTTON_MULTIMEDIA_STOP:
 672             list_stop_handler();
 673             return event;
 674         case BUTTON_MULTIMEDIA_REW:
 675         case BUTTON_MULTIMEDIA_FFWD:
 676             /* not supported yet, needs to be done in the WPS */
 677             return 0;
 678 #endif
 679     }
 680     return 0;
 681 }
 682
 683 long default_event_handler(long event)
 684 {
 685     return default_event_handler_ex(event, NULL, NULL);
 686 }
 687
 688 int show_logo( void )
 689 {
 690 #ifdef HAVE_LCD_BITMAP
 691     char version[32];
 692     int font_h, font_w;
 693
 694     snprintf(version, sizeof(version), "Ver. %s", rbversion);
 695
 696     lcd_clear_display();
 697 #if defined(SANSA_CLIP) || defined(SANSA_CLIPV2) || defined(SANSA_CLIPPLUS)
 698     /* display the logo in the blue area of the screen */
 699     lcd_setfont(FONT_SYSFIXED);
 700     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 701     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 702                0, (unsigned char *)version);
 703     lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 16);
 704 #else
 705     lcd_bmp(&bm_rockboxlogo, (LCD_WIDTH - BMPWIDTH_rockboxlogo) / 2, 10);
 706     lcd_setfont(FONT_SYSFIXED);
 707     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 708     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 709                LCD_HEIGHT-font_h, (unsigned char *)version);
 710 #endif
 711     lcd_setfont(FONT_UI);
 712
 713 #else
 714     char *rockbox = "  ROCKbox!";
 715
 716     lcd_clear_display();
 717     lcd_double_height(true);
 718     lcd_puts(0, 0, rockbox);
 719     lcd_puts_scroll(0, 1, rbversion);
 720 #endif
 721     lcd_update();
 722
 723 #ifdef HAVE_REMOTE_LCD
 724     lcd_remote_clear_display();
 725     lcd_remote_bmp(&bm_remote_rockboxlogo, 0, 10);
 726     lcd_remote_setfont(FONT_SYSFIXED);
 727     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 728     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 729                        LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 730     lcd_remote_setfont(FONT_UI);
 731     lcd_remote_update();
 732 #endif
 733
 734     return 0;
 735 }
 736
 737 #ifdef BOOTFILE
 738 #if !defined(USB_NONE) && !defined(USB_HANDLED_BY_OF) || defined(HAVE_HOTSWAP_STORAGE_AS_MAIN)
 739 /*
 740     memorize/compare details about the BOOTFILE
 741     we don't use dircache because it may not be up to date after
 742     USB disconnect (scanning in the background)
 743 */
 744 void check_bootfile(bool do_rolo)
 745 {
 746     static unsigned short wrtdate = 0;
 747     static unsigned short wrttime = 0;
 748     DIR* dir = NULL;
 749     struct dirent* entry = NULL;
 750
 751     /* 1. open BOOTDIR and find the BOOTFILE dir entry */
 752     dir = opendir(BOOTDIR);
 753
 754     if(!dir) return; /* do we want an error splash? */
 755
 756     /* loop all files in BOOTDIR */
 757     while(0 != (entry = readdir(dir)))
 758     {
 759         if(!strcasecmp(entry->d_name, BOOTFILE))
 760         {
 761             struct dirinfo info = dir_get_info(dir, entry);
 762             /* found the bootfile */
 763             if(wrtdate && do_rolo)
 764             {
 765                 if((info.wrtdate != wrtdate) ||
 766                    (info.wrttime != wrttime))
 767                 {
 768                     static const char *lines[] = { ID2P(LANG_BOOT_CHANGED),
 769                                                    ID2P(LANG_REBOOT_NOW) };
 770                     static const struct text_message message={ lines, 2 };
 771                     button_clear_queue(); /* Empty the keyboard buffer */
 772                     if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
 773                     {
 774                         audio_hard_stop();
 775                         rolo_load(BOOTDIR "/" BOOTFILE);
 776                     }
 777                 }
 778             }
 779             wrtdate = info.wrtdate;
 780             wrttime = info.wrttime;
 781         }
 782     }
 783     closedir(dir);
 784 }
 785 #endif
 786 #endif
 787
 788 /* check range, set volume and save settings */
 789 void setvol(void)
 790 {
 791     const int min_vol = sound_min(SOUND_VOLUME);
 792     const int max_vol = sound_max(SOUND_VOLUME);
 793     if (global_settings.volume < min_vol)
 794         global_settings.volume = min_vol;
 795     if (global_settings.volume > max_vol)
 796         global_settings.volume = max_vol;
 797     sound_set_volume(global_settings.volume);
 798     global_status.last_volume_change = current_tick;
 799     settings_save();
 800 }
 801
 802 char* strrsplt(char* str, int c)
 803 {
 804     char* s = strrchr(str, c);
 805
 806     if (s != NULL)
 807     {
 808         *s++ = '\0';
 809     }
 810     else
 811     {
 812         s = str;
 813     }
 814
 815     return s;
 816 }
 817
 818 /*
 819  * removes the extension of filename (if it doesn't start with a .)
 820  * puts the result in buffer
 821  */
 822 char *strip_extension(char* buffer, int buffer_size, const char *filename)
 823 {
 824     char *dot = strrchr(filename, '.');
 825     int len;
 826
 827     if (buffer_size <= 0)
 828     {
 829         return NULL;
 830     }
 831
 832     buffer_size--;  /* Make room for end nil */
 833
 834     if (dot != 0 && filename[0] != '.')
 835     {
 836         len = dot - filename;
 837         len = MIN(len, buffer_size);
 838     }
 839     else
 840     {
 841         len = buffer_size;
 842     }
 843
 844     strlcpy(buffer, filename, len + 1);
 845
 846     return buffer;
 847 }
 848
 849 #if CONFIG_CODEC == SWCODEC
 850 /* Play a standard sound */
 851 void system_sound_play(enum system_sound sound)
 852 {
 853     static const struct beep_params
 854     {
 855         int *setting;
 856         unsigned short frequency;
 857         unsigned short duration;
 858         unsigned short amplitude;
 859     } beep_params[] =
 860     {
 861         [SOUND_KEYCLICK] =
 862         { &global_settings.keyclick,
 863           4000, KEYCLICK_DURATION, 2500 },
 864         [SOUND_TRACK_SKIP] =
 865         { &global_settings.beep,
 866           2000, 100, 2500 },
 867         [SOUND_TRACK_NO_MORE] =
 868         { &global_settings.beep,
 869           1000, 100, 1500 },
 870     };
 871
 872     const struct beep_params *params = &beep_params[sound];
 873
 874     if (*params->setting)
 875     {
 876         beep_play(params->frequency, params->duration,
 877                   params->amplitude * *params->setting);
 878     }
 879 }
 880
 881 static keyclick_callback keyclick_current_callback = NULL;
 882 static void* keyclick_data = NULL;
 883 void keyclick_set_callback(keyclick_callback cb, void* data)
 884 {
 885     keyclick_current_callback = cb;
 886     keyclick_data = data;
 887 }
 888
 889 /* Produce keyclick based upon button and global settings */
 890 void keyclick_click(int action)
 891 {
 892     int button;
 893     static long last_button = BUTTON_NONE;
 894     bool do_beep = false;
 895
 896     get_action_statuscode(&button);
 897     /* Settings filters */
 898     if (
 899 #ifdef HAVE_HARDWARE_CLICK
 900         (global_settings.keyclick || global_settings.keyclick_hardware)
 901 #else
 902         global_settings.keyclick
 903 #endif
 904         )
 905     {
 906         if (global_settings.keyclick_repeats || !(button & BUTTON_REPEAT))
 907         {
 908             /* Button filters */
 909             if (button != BUTTON_NONE && !(button & BUTTON_REL)
 910                 && !(button & (SYS_EVENT|BUTTON_MULTIMEDIA)) )
 911             {
 912                 do_beep = true;
 913             }
 914         }
 915         else if ((button & BUTTON_REPEAT) && (last_button == BUTTON_NONE))
 916         {
 917             do_beep = true;
 918         }
 919 #ifdef HAVE_SCROLLWHEEL
 920         else if (button & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD))
 921         {
 922             do_beep  = true;
 923         }
 924 #endif
 925     }
 926     if (button&BUTTON_REPEAT)
 927         last_button = button;
 928     else
 929         last_button = BUTTON_NONE;
 930
 931     if (do_beep && keyclick_current_callback)
 932         do_beep = keyclick_current_callback(action, keyclick_data);
 933     keyclick_current_callback = NULL;
 934
 935     if (do_beep)
 936     {
 937 #ifdef HAVE_HARDWARE_CLICK
 938         if (global_settings.keyclick)
 939         {
 940             system_sound_play(SOUND_KEYCLICK);
 941         }
 942         if (global_settings.keyclick_hardware)
 943         {
 944 #if !defined(SIMULATOR)
 945             piezo_button_beep(false, false);
 946 #endif
 947         }
 948 #else
 949         system_sound_play(SOUND_KEYCLICK);
 950 #endif
 951     }
 952 }
 953 #endif /* CONFIG_CODEC == SWCODEC */
 954
 955 #endif /* !defined(__PCTOOL__) */
 956
 957 /* Read (up to) a line of text from fd into buffer and return number of bytes
 958  * read (which may be larger than the number of bytes stored in buffer). If
 959  * an error occurs, -1 is returned (and buffer contains whatever could be
 960  * read). A line is terminated by a LF char. Neither LF nor CR chars are
 961  * stored in buffer.
 962  */
 963 int read_line(int fd, char* buffer, int buffer_size)
 964 {
 965     int count = 0;
 966     int num_read = 0;
 967
 968     errno = 0;
 969
 970     while (count < buffer_size)
 971     {
 972         unsigned char c;
 973
 974         if (1 != read(fd, &c, 1))
 975             break;
 976
 977         num_read++;
 978
 979         if ( c == '\n' )
 980             break;
 981
 982         if ( c == '\r' )
 983             continue;
 984
 985         buffer[count++] = c;
 986     }
 987
 988     buffer[MIN(count, buffer_size - 1)] = 0;
 989
 990     return errno ? -1 : num_read;
 991 }
 992
 993
 994 char* skip_whitespace(char* const str)
 995 {
 996     char *s = str;
 997
 998     while (isspace(*s))
 999         s++;
1000
1001     return s;
1002 }
1003
1004 /* Format time into buf.
1005  *
1006  * buf      - buffer to format to.
1007  * buf_size - size of buffer.
1008  * t        - time to format, in milliseconds.
1009  */
1010 void format_time(char* buf, int buf_size, long t)
1011 {
1012     int const time = abs(t / 1000);
1013     int const hours = time / 3600;
1014     int const minutes = time / 60 - hours * 60;
1015     int const seconds = time % 60;
1016     const char * const sign = &"-"[t < 0 ? 0 : 1];
1017
1018     if ( hours == 0 )
1019     {
1020         snprintf(buf, buf_size, "%s%d:%02d", sign, minutes, seconds);
1021     }
1022     else
1023     {
1024         snprintf(buf, buf_size, "%s%d:%02d:%02d", sign, hours, minutes,
1025                  seconds);
1026     }
1027 }
1028
1029
1030 /** Open a UTF-8 file and set file descriptor to first byte after BOM.
1031  *  If no BOM is present this behaves like open().
1032  *  If the file is opened for writing and O_TRUNC is set, write a BOM to
1033  *  the opened file and leave the file pointer set after the BOM.
1034  */
1035
1036 int open_utf8(const char* pathname, int flags)
1037 {
1038     int fd;
1039     unsigned char bom[BOM_UTF_8_SIZE];
1040
1041     fd = open(pathname, flags, 0666);
1042     if(fd < 0)
1043         return fd;
1044
1045     if(flags & (O_TRUNC | O_WRONLY))
1046     {
1047         write(fd, BOM_UTF_8, BOM_UTF_8_SIZE);
1048     }
1049     else
1050     {
1051         read(fd, bom, BOM_UTF_8_SIZE);
1052         /* check for BOM */
1053         if(memcmp(bom, BOM_UTF_8, BOM_UTF_8_SIZE))
1054             lseek(fd, 0, SEEK_SET);
1055     }
1056     return fd;
1057 }
1058
1059
1060 #ifdef HAVE_LCD_COLOR
1061 /*
1062  * Helper function to convert a string of 6 hex digits to a native colour
1063  */
1064
1065 static int hex2dec(int c)
1066 {
1067     return  (((c) >= '0' && ((c) <= '9')) ? (c) - '0' :
1068                                             (toupper(c)) - 'A' + 10);
1069 }
1070
1071 int hex_to_rgb(const char* hex, int* color)
1072 {
1073     int red, green, blue;
1074     int i = 0;
1075
1076     while ((i < 6) && (isxdigit(hex[i])))
1077         i++;
1078
1079     if (i < 6)
1080         return -1;
1081
1082     red = (hex2dec(hex[0]) << 4) | hex2dec(hex[1]);
1083     green = (hex2dec(hex[2]) << 4) | hex2dec(hex[3]);
1084     blue = (hex2dec(hex[4]) << 4) | hex2dec(hex[5]);
1085
1086     *color = LCD_RGBPACK(red,green,blue);
1087
1088     return 0;
1089 }
1090 #endif /* HAVE_LCD_COLOR */
1091
1092 #ifdef HAVE_LCD_BITMAP
1093 /* '0'-'3' are ASCII 0x30 to 0x33 */
1094 #define is0123(x) (((x) & 0xfc) == 0x30)
1095 #if !defined(__PCTOOL__) || defined(CHECKWPS)
1096 bool parse_color(enum screen_type screen, char *text, int *value)
1097 {
1098     (void)text; (void)value; /* silence warnings on mono bitmap */
1099     (void)screen;
1100
1101 #ifdef HAVE_LCD_COLOR
1102     if (screens[screen].depth > 2)
1103     {
1104         if (hex_to_rgb(text, value) < 0)
1105             return false;
1106         else
1107             return true;
1108     }
1109 #endif
1110
1111 #if LCD_DEPTH == 2 || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 2)
1112     if (screens[screen].depth == 2)
1113     {
1114         if (text[1] != '\0' || !is0123(*text))
1115             return false;
1116         *value = *text - '0';
1117         return true;
1118     }
1119 #endif
1120     return false;
1121 }
1122 #endif /* !defined(__PCTOOL__) || defined(CHECKWPS) */
1123
1124 /* only used in USB HID and set_time screen */
1125 #if defined(USB_ENABLE_HID) || (CONFIG_RTC != 0)
1126 int clamp_value_wrap(int value, int max, int min)
1127 {
1128     if (value > max)
1129         return min;
1130     if (value < min)
1131         return max;
1132     return value;
1133 }
1134 #endif
1135 #endif
1136 #define MAX_ACTIVITY_DEPTH 12
1137 static enum current_activity
1138         current_activity[MAX_ACTIVITY_DEPTH] = {ACTIVITY_UNKNOWN};
1139 static int current_activity_top = 0;
1140 void push_current_activity(enum current_activity screen)
1141 {
1142     current_activity[current_activity_top++] = screen;
1143 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
1144     FOR_NB_SCREENS(i)
1145         skinlist_set_cfg(i, NULL);
1146 #endif
1147 }
1148 void pop_current_activity(void)
1149 {
1150     current_activity_top--;
1151 #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
1152     FOR_NB_SCREENS(i)
1153         skinlist_set_cfg(i, NULL);
1154 #endif
1155 }
1156 enum current_activity get_current_activity(void)
1157 {
1158     return current_activity[current_activity_top?current_activity_top-1:0];
1159 }