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