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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdlib.h>
  20 #include <ctype.h>
  21 #include "lang.h"
  22 #include "string.h"
  23 #include "config.h"
  24 #include "file.h"
  25 #include "dir.h"
  26 #include "lcd.h"
  27 #include "lcd-remote.h"
  28 #include "sprintf.h"
  29 #include "errno.h"
  30 #include "system.h"
  31 #include "timefuncs.h"
  32 #include "screens.h"
  33 #include "talk.h"
  34 #include "mpeg.h"
  35 #include "audio.h"
  36 #include "mp3_playback.h"
  37 #include "settings.h"
  38 #include "ata.h"
  39 #include "ata_idle_notify.h"
  40 #include "kernel.h"
  41 #include "power.h"
  42 #include "powermgmt.h"
  43 #include "backlight.h"
  44 #include "atoi.h"
  45 #include "version.h"
  46 #include "font.h"
  47 #include "splash.h"
  48 #include "tagcache.h"
  49 #include "scrobbler.h"
  50 #include "sound.h"
  51 #ifdef HAVE_MMC
  52 #include "ata_mmc.h"
  53 #endif
  54 #include "tree.h"
  55 #include "eeprom_settings.h"
  56 #ifdef HAVE_RECORDING
  57 #include "recording.h"
  58 #endif
  59 #ifdef HAVE_LCD_BITMAP
  60 #include "bmp.h"
  61 #include "icons.h"
  62 #endif /* End HAVE_LCD_BITMAP */
  63 #include "gui/gwps-common.h"
  64 #include "bookmark.h"
  65
  66 #include "misc.h"
  67 #include "playback.h"
  68
  69 #ifdef BOOTFILE
  70 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
  71 #include "textarea.h"
  72 #include "rolo.h"
  73 #include "yesno.h"
  74 #endif
  75 #endif
  76
  77 /* Format a large-range value for output, using the appropriate unit so that
  78  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
  79  * units) if possible, and 3 significant digits are shown. If a buffer is
  80  * given, the result is snprintf()'d into that buffer, otherwise the result is
  81  * voiced.*/
  82 char *output_dyn_value(char *buf, int buf_size, int value,
  83                        const unsigned char **units, bool bin_scale)
  84 {
  85     int scale = bin_scale ? 1024 : 1000;
  86     int fraction = 0;
  87     int unit_no = 0;
  88     int i;
  89     char tbuf[5];
  90
  91     while (value >= scale)
  92     {
  93         fraction = value % scale;
  94         value /= scale;
  95         unit_no++;
  96     }
  97     if (bin_scale)
  98         fraction = fraction * 1000 / 1024;
  99
 100     if (value >= 100 || !unit_no)
 101         tbuf[0] = '\0';
 102     else if (value >= 10)
 103         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
 104     else
 105         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
 106
 107     if (buf)
 108     {
 109         if (strlen(tbuf))
 110             snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
 111                      tbuf, P2STR(units[unit_no]));
 112         else
 113             snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
 114     }
 115     else
 116     {
 117         /* strip trailing zeros from the fraction */
 118         for (i = strlen(tbuf) - 1; (i >= 0) && (tbuf[i] == '0'); i--)
 119             tbuf[i] = '\0';
 120
 121         talk_number(value, true);
 122         if (tbuf[0] != 0)
 123         {
 124             talk_id(LANG_POINT, true);
 125             talk_spell(tbuf, true);
 126         }
 127         talk_id(P2ID(units[unit_no]), true);
 128     }
 129     return buf;
 130 }
 131
 132 /* Create a filename with a number part in a way that the number is 1
 133  * higher than the highest numbered file matching the same pattern.
 134  * It is allowed that buffer and path point to the same memory location,
 135  * saving a strcpy(). Path must always be given without trailing slash.
 136  * "num" can point to an int specifying the number to use or NULL or a value
 137  * less than zero to number automatically. The final number used will also
 138  * be returned in *num. If *num is >= 0 then *num will be incremented by
 139  * one. */
 140 char *create_numbered_filename(char *buffer, const char *path,
 141                                const char *prefix, const char *suffix,
 142                                int numberlen IF_CNFN_NUM_(, int *num))
 143 {
 144     DIR *dir;
 145     struct dirent *entry;
 146     int max_num;
 147     int pathlen;
 148     int prefixlen = strlen(prefix);
 149     char fmtstring[12];
 150
 151     if (buffer != path)
 152         strncpy(buffer, path, MAX_PATH);
 153
 154     pathlen = strlen(buffer);
 155
 156 #ifdef IF_CNFN_NUM
 157     if (num && *num >= 0)
 158     {
 159         /* number specified */
 160         max_num = *num;
 161     }
 162     else
 163 #endif
 164     {
 165         /* automatic numbering */
 166         max_num = 0;
 167
 168     dir = opendir(pathlen ? buffer : "/");
 169     if (!dir)
 170         return NULL;
 171
 172     while ((entry = readdir(dir)))
 173     {
 174         int curr_num;
 175
 176         if (strncasecmp((char *)entry->d_name, prefix, prefixlen)
 177             || strcasecmp((char *)entry->d_name + prefixlen + numberlen, suffix))
 178             continue;
 179
 180         curr_num = atoi((char *)entry->d_name + prefixlen);
 181         if (curr_num > max_num)
 182             max_num = curr_num;
 183     }
 184
 185     closedir(dir);
 186     }
 187
 188     max_num++;
 189
 190     snprintf(fmtstring, sizeof(fmtstring), "/%%s%%0%dd%%s", numberlen);
 191     snprintf(buffer + pathlen, MAX_PATH - pathlen, fmtstring, prefix,
 192              max_num, suffix);
 193
 194 #ifdef IF_CNFN_NUM
 195     if (num)
 196         *num = max_num;
 197 #endif
 198
 199     return buffer;
 200 }
 201
 202 /* Format time into buf.
 203  *
 204  * buf      - buffer to format to.
 205  * buf_size - size of buffer.
 206  * t        - time to format, in milliseconds.
 207  */
 208 void format_time(char* buf, int buf_size, long t)
 209 {
 210     if ( t < 3600000 )
 211     {
 212       snprintf(buf, buf_size, "%d:%02d",
 213                (int) (t / 60000), (int) (t % 60000 / 1000));
 214     }
 215     else
 216     {
 217       snprintf(buf, buf_size, "%d:%02d:%02d",
 218                (int) (t / 3600000), (int) (t % 3600000 / 60000),
 219                (int) (t % 60000 / 1000));
 220     }
 221 }
 222
 223 #if CONFIG_RTC
 224 /* Create a filename with a date+time part.
 225    It is allowed that buffer and path point to the same memory location,
 226    saving a strcpy(). Path must always be given without trailing slash.
 227    unique_time as true makes the function wait until the current time has
 228    changed. */
 229 char *create_datetime_filename(char *buffer, const char *path,
 230                                const char *prefix, const char *suffix,
 231                                bool unique_time)
 232 {
 233     struct tm *tm = get_time();
 234     static struct tm last_tm;
 235     int pathlen;
 236
 237     while (unique_time && !memcmp(get_time(), &last_tm, sizeof (struct tm)))
 238         sleep(HZ/10);
 239
 240     last_tm = *tm;
 241
 242     if (buffer != path)
 243         strncpy(buffer, path, MAX_PATH);
 244
 245     pathlen = strlen(buffer);
 246     snprintf(buffer + pathlen, MAX_PATH - pathlen,
 247              "/%s%02d%02d%02d-%02d%02d%02d%s", prefix,
 248              tm->tm_year % 100, tm->tm_mon + 1, tm->tm_mday,
 249              tm->tm_hour, tm->tm_min, tm->tm_sec, suffix);
 250
 251     return buffer;
 252 }
 253 #endif /* CONFIG_RTC */
 254
 255 /* Read (up to) a line of text from fd into buffer and return number of bytes
 256  * read (which may be larger than the number of bytes stored in buffer). If
 257  * an error occurs, -1 is returned (and buffer contains whatever could be
 258  * read). A line is terminated by a LF char. Neither LF nor CR chars are
 259  * stored in buffer.
 260  */
 261 int read_line(int fd, char* buffer, int buffer_size)
 262 {
 263     int count = 0;
 264     int num_read = 0;
 265
 266     errno = 0;
 267
 268     while (count < buffer_size)
 269     {
 270         unsigned char c;
 271
 272         if (1 != read(fd, &c, 1))
 273             break;
 274
 275         num_read++;
 276
 277         if ( c == '\n' )
 278             break;
 279
 280         if ( c == '\r' )
 281             continue;
 282
 283         buffer[count++] = c;
 284     }
 285
 286     buffer[MIN(count, buffer_size - 1)] = 0;
 287
 288     return errno ? -1 : num_read;
 289 }
 290
 291 /* Performance optimized version of the previous function. */
 292 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
 293                   int (*callback)(int n, const char *buf, void *parameters))
 294 {
 295     char *p, *next;
 296     int rc, pos = 0;
 297     int count = 0;
 298
 299     while ( 1 )
 300     {
 301         next = NULL;
 302
 303         rc = read(fd, &buf[pos], buf_size - pos - 1);
 304         if (rc >= 0)
 305             buf[pos+rc] = '\0';
 306
 307         if ( (p = strchr(buf, '\r')) != NULL)
 308         {
 309             *p = '\0';
 310             next = ++p;
 311         }
 312         else
 313             p = buf;
 314
 315         if ( (p = strchr(p, '\n')) != NULL)
 316         {
 317             *p = '\0';
 318             next = ++p;
 319         }
 320
 321         rc = callback(count, buf, parameters);
 322         if (rc < 0)
 323             return rc;
 324
 325         count++;
 326         if (next)
 327         {
 328             pos = buf_size - ((long)next - (long)buf) - 1;
 329             memmove(buf, next, pos);
 330         }
 331         else
 332             break ;
 333     }
 334
 335     return 0;
 336 }
 337
 338 #ifdef HAVE_LCD_BITMAP
 339
 340 #if LCD_DEPTH == 16
 341 #define BMP_COMPRESSION 3 /* BI_BITFIELDS */
 342 #define BMP_NUMCOLORS 3
 343 #else
 344 #define BMP_COMPRESSION 0 /* BI_RGB */
 345 #if LCD_DEPTH <= 8
 346 #define BMP_NUMCOLORS (1 << LCD_DEPTH)
 347 #else
 348 #define BMP_NUMCOLORS 0
 349 #endif
 350 #endif
 351
 352 #if LCD_DEPTH == 1
 353 #define BMP_BPP 1
 354 #define BMP_LINESIZE ((LCD_WIDTH/8 + 3) & ~3)
 355 #elif LCD_DEPTH <= 4
 356 #define BMP_BPP 4
 357 #define BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
 358 #elif LCD_DEPTH <= 8
 359 #define BMP_BPP 8
 360 #define BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
 361 #elif LCD_DEPTH <= 16
 362 #define BMP_BPP 16
 363 #define BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
 364 #else
 365 #define BMP_BPP 24
 366 #define BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
 367 #endif
 368
 369 #define BMP_HEADERSIZE (54 + 4 * BMP_NUMCOLORS)
 370 #define BMP_DATASIZE   (BMP_LINESIZE * LCD_HEIGHT)
 371 #define BMP_TOTALSIZE  (BMP_HEADERSIZE + BMP_DATASIZE)
 372
 373 #define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
 374 #define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
 375
 376 static const unsigned char bmpheader[] =
 377 {
 378     0x42, 0x4d,                 /* 'BM' */
 379     LE32_CONST(BMP_TOTALSIZE),  /* Total file size */
 380     0x00, 0x00, 0x00, 0x00,     /* Reserved */
 381     LE32_CONST(BMP_HEADERSIZE), /* Offset to start of pixel data */
 382
 383     0x28, 0x00, 0x00, 0x00,     /* Size of (2nd) header */
 384     LE32_CONST(LCD_WIDTH),      /* Width in pixels */
 385     LE32_CONST(LCD_HEIGHT),     /* Height in pixels */
 386     0x01, 0x00,                 /* Number of planes (always 1) */
 387     LE16_CONST(BMP_BPP),        /* Bits per pixel 1/4/8/16/24 */
 388     LE32_CONST(BMP_COMPRESSION),/* Compression mode */
 389     LE32_CONST(BMP_DATASIZE),   /* Size of bitmap data */
 390     0xc4, 0x0e, 0x00, 0x00,     /* Horizontal resolution (pixels/meter) */
 391     0xc4, 0x0e, 0x00, 0x00,     /* Vertical resolution (pixels/meter) */
 392     LE32_CONST(BMP_NUMCOLORS),  /* Number of used colours */
 393     LE32_CONST(BMP_NUMCOLORS),  /* Number of important colours */
 394
 395 #if LCD_DEPTH == 1
 396     0x90, 0xee, 0x90, 0x00,     /* Colour #0 */
 397     0x00, 0x00, 0x00, 0x00      /* Colour #1 */
 398 #elif LCD_DEPTH == 2
 399     0xe6, 0xd8, 0xad, 0x00,     /* Colour #0 */
 400     0x99, 0x90, 0x73, 0x00,     /* Colour #1 */
 401     0x4c, 0x48, 0x39, 0x00,     /* Colour #2 */
 402     0x00, 0x00, 0x00, 0x00      /* Colour #3 */
 403 #elif LCD_DEPTH == 16
 404     0x00, 0xf8, 0x00, 0x00,     /* red bitfield mask */
 405     0xe0, 0x07, 0x00, 0x00,     /* green bitfield mask */
 406     0x1f, 0x00, 0x00, 0x00      /* blue bitfield mask */
 407 #endif
 408 };
 409
 410 static void (*screen_dump_hook)(int fh) = NULL;
 411
 412 void screen_dump(void)
 413 {
 414     int fh;
 415     char filename[MAX_PATH];
 416     int bx, by;
 417 #if LCD_DEPTH == 1
 418     static unsigned char line_block[8][BMP_LINESIZE];
 419 #elif LCD_DEPTH == 2
 420 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 421     static unsigned char line_block[BMP_LINESIZE];
 422 #else
 423     static unsigned char line_block[4][BMP_LINESIZE];
 424 #endif
 425 #elif LCD_DEPTH == 16
 426     static unsigned short line_block[BMP_LINESIZE/2];
 427 #endif
 428
 429 #if CONFIG_RTC
 430     create_datetime_filename(filename, "", "dump ", ".bmp", false);
 431 #else
 432     create_numbered_filename(filename, "", "dump_", ".bmp", 4
 433                              IF_CNFN_NUM_(, NULL));
 434 #endif
 435
 436     fh = creat(filename);
 437     if (fh < 0)
 438         return;
 439
 440     if (screen_dump_hook)
 441     {
 442         screen_dump_hook(fh);
 443     }
 444     else
 445     {
 446         write(fh, bmpheader, sizeof(bmpheader));
 447
 448         /* BMP image goes bottom up */
 449 #if LCD_DEPTH == 1
 450         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 451         {
 452             unsigned char *src = &lcd_framebuffer[by][0];
 453             unsigned char *dst = &line_block[0][0];
 454
 455             memset(line_block, 0, sizeof(line_block));
 456             for (bx = LCD_WIDTH/8; bx > 0; bx--)
 457             {
 458                 unsigned dst_mask = 0x80;
 459                 int ix;
 460
 461                 for (ix = 8; ix > 0; ix--)
 462                 {
 463                     unsigned char *dst_blk = dst;
 464                     unsigned src_byte = *src++;
 465                     int iy;
 466
 467                     for (iy = 8; iy > 0; iy--)
 468                     {
 469                         if (src_byte & 0x80)
 470                             *dst_blk |= dst_mask;
 471                         src_byte <<= 1;
 472                         dst_blk += BMP_LINESIZE;
 473                     }
 474                     dst_mask >>= 1;
 475                 }
 476                 dst++;
 477             }
 478
 479             write(fh, line_block, sizeof(line_block));
 480         }
 481 #elif LCD_DEPTH == 2
 482 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 483         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 484         {
 485             unsigned char *src = &lcd_framebuffer[by][0];
 486             unsigned char *dst = line_block;
 487
 488             memset(line_block, 0, sizeof(line_block));
 489             for (bx = LCD_FBWIDTH; bx > 0; bx--)
 490             {
 491                 unsigned src_byte = *src++;
 492
 493                 *dst++ = ((src_byte >> 2) & 0x30) | ((src_byte >> 4) & 0x03);
 494                 *dst++ = ((src_byte << 2) & 0x30) | (src_byte & 0x03);
 495             }
 496
 497             write(fh, line_block, sizeof(line_block));
 498         }
 499 #else /* VERTICAL_PACKING */
 500         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 501         {
 502             unsigned char *src = &lcd_framebuffer[by][0];
 503             unsigned char *dst = &line_block[3][0];
 504
 505             memset(line_block, 0, sizeof(line_block));
 506             for (bx = LCD_WIDTH/2; bx > 0; bx--)
 507             {
 508                 unsigned char *dst_blk = dst++;
 509                 unsigned src_byte0 = *src++;
 510                 unsigned src_byte1 = *src++;
 511                 int iy;
 512
 513                 for (iy = 4; iy > 0; iy--)
 514                 {
 515                     *dst_blk = ((src_byte0 & 3) << 4) | (src_byte1 & 3);
 516                     src_byte0 >>= 2;
 517                     src_byte1 >>= 2;
 518                     dst_blk -= BMP_LINESIZE;
 519                 }
 520             }
 521
 522             write(fh, line_block, sizeof(line_block));
 523         }
 524 #endif
 525 #elif LCD_DEPTH == 16
 526         for (by = LCD_HEIGHT - 1; by >= 0; by--)
 527         {
 528             unsigned short *src = &lcd_framebuffer[by][0];
 529             unsigned short *dst = line_block;
 530
 531             memset(line_block, 0, sizeof(line_block));
 532             for (bx = LCD_WIDTH; bx > 0; bx--)
 533             {
 534 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 535                 /* iPod LCD data is big endian although the CPU is not */
 536                 *dst++ = htobe16(*src++);
 537 #else
 538                 *dst++ = htole16(*src++);
 539 #endif
 540             }
 541
 542             write(fh, line_block, sizeof(line_block));
 543         }
 544 #endif /* LCD_DEPTH */
 545     }
 546
 547     close(fh);
 548 }
 549
 550 void screen_dump_set_hook(void (*hook)(int fh))
 551 {
 552     screen_dump_hook = hook;
 553 }
 554
 555 #endif /* HAVE_LCD_BITMAP */
 556
 557 /* parse a line from a configuration file. the line format is:
 558
 559    name: value
 560
 561    Any whitespace before setting name or value (after ':') is ignored.
 562    A # as first non-whitespace character discards the whole line.
 563    Function sets pointers to null-terminated setting name and value.
 564    Returns false if no valid config entry was found.
 565 */
 566
 567 bool settings_parseline(char* line, char** name, char** value)
 568 {
 569     char* ptr;
 570
 571     while ( isspace(*line) )
 572         line++;
 573
 574     if ( *line == '#' )
 575         return false;
 576
 577     ptr = strchr(line, ':');
 578     if ( !ptr )
 579         return false;
 580
 581     *name = line;
 582     *ptr = 0;
 583     ptr++;
 584     while (isspace(*ptr))
 585         ptr++;
 586     *value = ptr;
 587     return true;
 588 }
 589
 590 static void system_flush(void)
 591 {
 592     tree_flush();
 593     call_ata_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
 594 }
 595
 596 static void system_restore(void)
 597 {
 598     tree_restore();
 599 }
 600
 601 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 602 {
 603 #ifdef SIMULATOR
 604     (void)callback;
 605     (void)parameter;
 606     bookmark_autobookmark();
 607     call_ata_idle_notifys(true);
 608     exit(0);
 609 #else
 610     long msg_id = -1;
 611     int i;
 612
 613     scrobbler_poweroff();
 614
 615 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 616     if(!charger_inserted())
 617 #endif
 618     {
 619         bool batt_safe = battery_level_safe();
 620         int audio_stat = audio_status();
 621
 622         FOR_NB_SCREENS(i)
 623             screens[i].clear_display();
 624
 625         if (batt_safe)
 626         {
 627 #ifdef HAVE_TAGCACHE
 628             if (!tagcache_prepare_shutdown())
 629             {
 630                 cancel_shutdown();
 631                 gui_syncsplash(HZ, ID2P(LANG_TAGCACHE_BUSY));
 632                 return false;
 633             }
 634 #endif
 635             if (battery_level() > 10)
 636                 gui_syncsplash(0, str(LANG_SHUTTINGDOWN));
 637             else
 638             {
 639                 msg_id = LANG_WARNING_BATTERY_LOW;
 640                 gui_syncsplash(0, "%s %s",
 641                                str(LANG_WARNING_BATTERY_LOW),
 642                                str(LANG_SHUTTINGDOWN));
 643             }
 644         }
 645         else
 646         {
 647             msg_id = LANG_WARNING_BATTERY_EMPTY;
 648             gui_syncsplash(0, "%s %s",
 649                            str(LANG_WARNING_BATTERY_EMPTY),
 650                            str(LANG_SHUTTINGDOWN));
 651         }
 652
 653         if (global_settings.fade_on_stop
 654             && (audio_stat & AUDIO_STATUS_PLAY))
 655         {
 656             fade(0);
 657         }
 658
 659         if (batt_safe) /* do not save on critical battery */
 660         {
 661 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 662             if (audio_stat & AUDIO_STATUS_RECORD)
 663             {
 664                 rec_command(RECORDING_CMD_STOP);
 665                 /* wait for stop to complete */
 666                 while (audio_status() & AUDIO_STATUS_RECORD)
 667                     sleep(1);
 668             }
 669 #endif
 670             bookmark_autobookmark();
 671
 672             /* audio_stop_recording == audio_stop for HWCODEC */
 673             audio_stop();
 674
 675             if (callback != NULL)
 676                 callback(parameter);
 677
 678 #if CONFIG_CODEC != SWCODEC
 679             /* wait for audio_stop or audio_stop_recording to complete */
 680             while (audio_status())
 681                 sleep(1);
 682 #endif
 683
 684 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 685             audio_close_recording();
 686 #endif
 687
 688             if(talk_menus_enabled())
 689             {
 690                 bool enqueue = false;
 691                 if(msg_id != -1)
 692                 {
 693                     talk_id(msg_id, enqueue);
 694                     enqueue = true;
 695                 }
 696                 talk_id(LANG_SHUTTINGDOWN, enqueue);
 697 #if CONFIG_CODEC == SWCODEC
 698                 voice_wait();
 699 #endif
 700             }
 701
 702             system_flush();
 703 #ifdef HAVE_EEPROM_SETTINGS
 704             if (firmware_settings.initialized)
 705             {
 706                 firmware_settings.disk_clean = true;
 707                 firmware_settings.bl_version = 0;
 708                 eeprom_settings_store();
 709             }
 710 #endif
 711         }
 712 #ifdef HAVE_DIRCACHE
 713         else
 714             dircache_disable();
 715 #endif
 716
 717         shutdown_hw();
 718     }
 719 #endif
 720     return false;
 721 }
 722
 723 bool list_stop_handler(void)
 724 {
 725     bool ret = false;
 726
 727     /* Stop the music if it is playing */
 728     if(audio_status())
 729     {
 730         if (!global_settings.party_mode)
 731         {
 732             if (global_settings.fade_on_stop)
 733                 fade(0);
 734             bookmark_autobookmark();
 735             audio_stop();
 736             ret = true;  /* bookmarking can make a refresh necessary */
 737         }
 738     }
 739 #if CONFIG_CHARGING
 740 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 741     else
 742     {
 743         if (charger_inserted())
 744             charging_splash();
 745         else
 746             shutdown_screen(); /* won't return if shutdown actually happens */
 747
 748         ret = true;  /* screen is dirty, caller needs to refresh */
 749     }
 750 #endif
 751 #ifndef HAVE_POWEROFF_WHILE_CHARGING
 752     {
 753         static long last_off = 0;
 754
 755         if (TIME_BEFORE(current_tick, last_off + HZ/2))
 756         {
 757             if (charger_inserted())
 758             {
 759                 charging_splash();
 760                 ret = true;  /* screen is dirty, caller needs to refresh */
 761             }
 762         }
 763         last_off = current_tick;
 764     }
 765 #endif
 766 #endif /* CONFIG_CHARGING */
 767     return ret;
 768 }
 769
 770 #if CONFIG_CHARGING
 771 static bool waiting_to_resume_play = false;
 772 static long play_resume_tick;
 773
 774 static void car_adapter_mode_processing(bool inserted)
 775 {
 776     if (global_settings.car_adapter_mode)
 777     {
 778         if(inserted)
 779         {
 780             /*
 781              * Just got plugged in, delay & resume if we were playing
 782              */
 783             if (audio_status() & AUDIO_STATUS_PAUSE)
 784             {
 785                 /* delay resume a bit while the engine is cranking */
 786                 play_resume_tick = current_tick + HZ*5;
 787                 waiting_to_resume_play = true;
 788             }
 789         }
 790         else
 791         {
 792             /*
 793              * Just got unplugged, pause if playing
 794              */
 795             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 796                 !(audio_status() & AUDIO_STATUS_PAUSE))
 797             {
 798                 if (global_settings.fade_on_stop)
 799                     fade(0);
 800                 else
 801                     audio_pause();
 802             }
 803         }
 804     }
 805 }
 806
 807 static void car_adapter_tick(void)
 808 {
 809     if (waiting_to_resume_play)
 810     {
 811         if (TIME_AFTER(current_tick, play_resume_tick))
 812         {
 813             if (audio_status() & AUDIO_STATUS_PAUSE)
 814             {
 815                 audio_resume();
 816             }
 817             waiting_to_resume_play = false;
 818         }
 819     }
 820 }
 821
 822 void car_adapter_mode_init(void)
 823 {
 824     tick_add_task(car_adapter_tick);
 825 }
 826 #endif
 827
 828 #ifdef HAVE_HEADPHONE_DETECTION
 829 static void unplug_change(bool inserted)
 830 {
 831     if (global_settings.unplug_mode)
 832     {
 833         if (inserted)
 834         {
 835             if ( global_settings.unplug_mode > 1 )
 836                 audio_resume();
 837             backlight_on();
 838         } else {
 839             audio_pause();
 840
 841             if (global_settings.unplug_rw)
 842             {
 843                 if ( audio_current_track()->elapsed >
 844                 (unsigned long)(global_settings.unplug_rw*1000))
 845                     audio_ff_rewind(audio_current_track()->elapsed -
 846                     (global_settings.unplug_rw*1000));
 847                 else
 848                     audio_ff_rewind(0);
 849             }
 850         }
 851     }
 852 }
 853 #endif
 854
 855 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 856 {
 857     switch(event)
 858     {
 859         case SYS_USB_CONNECTED:
 860             if (callback != NULL)
 861                 callback(parameter);
 862 #ifdef HAVE_MMC
 863             if (!mmc_touched() ||
 864                 (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
 865 #endif
 866             {
 867                 scrobbler_flush_cache();
 868                 system_flush();
 869 #ifdef BOOTFILE
 870 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 871                 check_bootfile(false); /* gets initial size */
 872 #endif
 873 #endif
 874                 usb_screen();
 875 #ifdef BOOTFILE
 876 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 877                 check_bootfile(true);
 878 #endif
 879 #endif
 880                 system_restore();
 881             }
 882             return SYS_USB_CONNECTED;
 883         case SYS_POWEROFF:
 884             if (!clean_shutdown(callback, parameter))
 885                 return SYS_POWEROFF;
 886             break;
 887 #if CONFIG_CHARGING
 888         case SYS_CHARGER_CONNECTED:
 889             car_adapter_mode_processing(true);
 890             return SYS_CHARGER_CONNECTED;
 891
 892         case SYS_CHARGER_DISCONNECTED:
 893             car_adapter_mode_processing(false);
 894             return SYS_CHARGER_DISCONNECTED;
 895 #endif
 896 #ifdef HAVE_HEADPHONE_DETECTION
 897         case SYS_PHONE_PLUGGED:
 898             unplug_change(true);
 899             return SYS_PHONE_PLUGGED;
 900
 901         case SYS_PHONE_UNPLUGGED:
 902             unplug_change(false);
 903             return SYS_PHONE_UNPLUGGED;
 904 #endif
 905     }
 906     return 0;
 907 }
 908
 909 long default_event_handler(long event)
 910 {
 911     return default_event_handler_ex(event, NULL, NULL);
 912 }
 913
 914 int show_logo( void )
 915 {
 916 #ifdef HAVE_LCD_BITMAP
 917     char version[32];
 918     int font_h, font_w;
 919
 920     snprintf(version, sizeof(version), "Ver. %s", appsversion);
 921
 922     lcd_clear_display();
 923     lcd_bitmap(rockboxlogo, 0, 10, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
 924     lcd_setfont(FONT_SYSFIXED);
 925     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 926     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 927                LCD_HEIGHT-font_h, (unsigned char *)version);
 928     lcd_setfont(FONT_UI);
 929
 930 #else
 931     char *rockbox = "  ROCKbox!";
 932
 933     lcd_clear_display();
 934     lcd_double_height(true);
 935     lcd_puts(0, 0, rockbox);
 936     lcd_puts_scroll(0, 1, appsversion);
 937 #endif
 938     lcd_update();
 939
 940 #ifdef HAVE_REMOTE_LCD
 941     lcd_remote_clear_display();
 942     lcd_remote_bitmap(remote_rockboxlogo, 0, 10, BMPWIDTH_remote_rockboxlogo,
 943                       BMPHEIGHT_remote_rockboxlogo);
 944     lcd_remote_setfont(FONT_SYSFIXED);
 945     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 946     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 947                        LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 948     lcd_remote_setfont(FONT_UI);
 949     lcd_remote_update();
 950 #endif
 951
 952     return 0;
 953 }
 954
 955 #if CONFIG_CODEC == SWCODEC
 956 int get_replaygain_mode(bool have_track_gain, bool have_album_gain)
 957 {
 958     int type;
 959
 960     bool track = ((global_settings.replaygain_type == REPLAYGAIN_TRACK)
 961         || ((global_settings.replaygain_type == REPLAYGAIN_SHUFFLE)
 962             && global_settings.playlist_shuffle));
 963
 964     type = (!track && have_album_gain) ? REPLAYGAIN_ALBUM
 965         : have_track_gain ? REPLAYGAIN_TRACK : -1;
 966
 967     return type;
 968 }
 969 #endif
 970
 971 #ifdef BOOTFILE
 972 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 973 /*
 974     memorize/compare details about the BOOTFILE
 975     we don't use dircache because it may not be up to date after
 976     USB disconnect (scanning in the background)
 977 */
 978 void check_bootfile(bool do_rolo)
 979 {
 980     static unsigned short wrtdate = 0;
 981     static unsigned short wrttime = 0;
 982     DIR* dir = NULL;
 983     struct dirent* entry = NULL;
 984
 985     /* 1. open BOOTDIR and find the BOOTFILE dir entry */
 986     dir = opendir(BOOTDIR);
 987
 988     if(!dir) return; /* do we want an error splash? */
 989
 990     /* loop all files in BOOTDIR */
 991     while(0 != (entry = readdir(dir)))
 992     {
 993         if(!strcasecmp(entry->d_name, BOOTFILE))
 994         {
 995             /* found the bootfile */
 996             if(wrtdate && do_rolo)
 997             {
 998                 if((entry->wrtdate != wrtdate) ||
 999                    (entry->wrttime != wrttime))
1000                 {
1001                     char *lines[] = { ID2P(LANG_BOOT_CHANGED),
1002                                       ID2P(LANG_REBOOT_NOW) };
1003                     struct text_message message={ lines, 2 };
1004                     button_clear_queue(); /* Empty the keyboard buffer */
1005                     if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
1006                     rolo_load(BOOTDIR "/" BOOTFILE);
1007                 }
1008             }
1009             wrtdate = entry->wrtdate;
1010             wrttime = entry->wrttime;
1011         }
1012     }
1013     closedir(dir);
1014 }
1015 #endif
1016 #endif
1017
1018 /* check range, set volume and save settings */
1019 void setvol(void)
1020 {
1021     const int min_vol = sound_min(SOUND_VOLUME);
1022     const int max_vol = sound_max(SOUND_VOLUME);
1023     if (global_settings.volume < min_vol)
1024         global_settings.volume = min_vol;
1025     if (global_settings.volume > max_vol)
1026         global_settings.volume = max_vol;
1027     sound_set_volume(global_settings.volume);
1028     settings_save();
1029 }
1030
1031 #ifdef HAVE_LCD_COLOR
1032 /*
1033  * Helper function to convert a string of 6 hex digits to a native colour
1034  */
1035
1036 #define hex2dec(c) (((c) >= '0' && ((c) <= '9')) ? (toupper(c)) - '0' : \
1037                                                    (toupper(c)) - 'A' + 10)
1038
1039 int hex_to_rgb(const char* hex)
1040 {   int ok = 1;
1041     int i;
1042     int red, green, blue;
1043
1044     if (strlen(hex) == 6) {
1045         for (i=0; i < 6; i++ ) {
1046            if (!isxdigit(hex[i])) {
1047               ok=0;
1048               break;
1049            }
1050         }
1051
1052         if (ok) {
1053             red = (hex2dec(hex[0]) << 4) | hex2dec(hex[1]);
1054             green = (hex2dec(hex[2]) << 4) | hex2dec(hex[3]);
1055             blue = (hex2dec(hex[4]) << 4) | hex2dec(hex[5]);
1056             return LCD_RGBPACK(red,green,blue);
1057         }
1058     }
1059
1060     return 0;
1061 }
1062 #endif /* HAVE_LCD_COLOR */
1063