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 #ifdef MROBE_100
 397     2, 2, 94,  0x00,            /* Colour #0 */
 398     3, 6, 241, 0x00             /* Colour #1 */
 399 #else
 400     0x90, 0xee, 0x90, 0x00,     /* Colour #0 */
 401     0x00, 0x00, 0x00, 0x00      /* Colour #1 */
 402 #endif
 403 #elif LCD_DEPTH == 2
 404     0xe6, 0xd8, 0xad, 0x00,     /* Colour #0 */
 405     0x99, 0x90, 0x73, 0x00,     /* Colour #1 */
 406     0x4c, 0x48, 0x39, 0x00,     /* Colour #2 */
 407     0x00, 0x00, 0x00, 0x00      /* Colour #3 */
 408 #elif LCD_DEPTH == 16
 409     0x00, 0xf8, 0x00, 0x00,     /* red bitfield mask */
 410     0xe0, 0x07, 0x00, 0x00,     /* green bitfield mask */
 411     0x1f, 0x00, 0x00, 0x00      /* blue bitfield mask */
 412 #endif
 413 };
 414
 415 static void (*screen_dump_hook)(int fh) = NULL;
 416
 417 void screen_dump(void)
 418 {
 419     int fh;
 420     char filename[MAX_PATH];
 421     int bx, by;
 422 #if LCD_DEPTH == 1
 423     static unsigned char line_block[8][BMP_LINESIZE];
 424 #elif LCD_DEPTH == 2
 425 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 426     static unsigned char line_block[BMP_LINESIZE];
 427 #else
 428     static unsigned char line_block[4][BMP_LINESIZE];
 429 #endif
 430 #elif LCD_DEPTH == 16
 431     static unsigned short line_block[BMP_LINESIZE/2];
 432 #endif
 433
 434 #if CONFIG_RTC
 435     create_datetime_filename(filename, "", "dump ", ".bmp", false);
 436 #else
 437     create_numbered_filename(filename, "", "dump_", ".bmp", 4
 438                              IF_CNFN_NUM_(, NULL));
 439 #endif
 440
 441     fh = creat(filename);
 442     if (fh < 0)
 443         return;
 444
 445     if (screen_dump_hook)
 446     {
 447         screen_dump_hook(fh);
 448     }
 449     else
 450     {
 451         write(fh, bmpheader, sizeof(bmpheader));
 452
 453         /* BMP image goes bottom up */
 454 #if LCD_DEPTH == 1
 455         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 456         {
 457             unsigned char *src = &lcd_framebuffer[by][0];
 458             unsigned char *dst = &line_block[0][0];
 459
 460             memset(line_block, 0, sizeof(line_block));
 461             for (bx = LCD_WIDTH/8; bx > 0; bx--)
 462             {
 463                 unsigned dst_mask = 0x80;
 464                 int ix;
 465
 466                 for (ix = 8; ix > 0; ix--)
 467                 {
 468                     unsigned char *dst_blk = dst;
 469                     unsigned src_byte = *src++;
 470                     int iy;
 471
 472                     for (iy = 8; iy > 0; iy--)
 473                     {
 474                         if (src_byte & 0x80)
 475                             *dst_blk |= dst_mask;
 476                         src_byte <<= 1;
 477                         dst_blk += BMP_LINESIZE;
 478                     }
 479                     dst_mask >>= 1;
 480                 }
 481                 dst++;
 482             }
 483
 484             write(fh, line_block, sizeof(line_block));
 485         }
 486 #elif LCD_DEPTH == 2
 487 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 488         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 489         {
 490             unsigned char *src = &lcd_framebuffer[by][0];
 491             unsigned char *dst = line_block;
 492
 493             memset(line_block, 0, sizeof(line_block));
 494             for (bx = LCD_FBWIDTH; bx > 0; bx--)
 495             {
 496                 unsigned src_byte = *src++;
 497
 498                 *dst++ = ((src_byte >> 2) & 0x30) | ((src_byte >> 4) & 0x03);
 499                 *dst++ = ((src_byte << 2) & 0x30) | (src_byte & 0x03);
 500             }
 501
 502             write(fh, line_block, sizeof(line_block));
 503         }
 504 #else /* VERTICAL_PACKING */
 505         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 506         {
 507             unsigned char *src = &lcd_framebuffer[by][0];
 508             unsigned char *dst = &line_block[3][0];
 509
 510             memset(line_block, 0, sizeof(line_block));
 511             for (bx = LCD_WIDTH/2; bx > 0; bx--)
 512             {
 513                 unsigned char *dst_blk = dst++;
 514                 unsigned src_byte0 = *src++;
 515                 unsigned src_byte1 = *src++;
 516                 int iy;
 517
 518                 for (iy = 4; iy > 0; iy--)
 519                 {
 520                     *dst_blk = ((src_byte0 & 3) << 4) | (src_byte1 & 3);
 521                     src_byte0 >>= 2;
 522                     src_byte1 >>= 2;
 523                     dst_blk -= BMP_LINESIZE;
 524                 }
 525             }
 526
 527             write(fh, line_block, sizeof(line_block));
 528         }
 529 #endif
 530 #elif LCD_DEPTH == 16
 531         for (by = LCD_HEIGHT - 1; by >= 0; by--)
 532         {
 533             unsigned short *src = &lcd_framebuffer[by][0];
 534             unsigned short *dst = line_block;
 535
 536             memset(line_block, 0, sizeof(line_block));
 537             for (bx = LCD_WIDTH; bx > 0; bx--)
 538             {
 539 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 540                 /* iPod LCD data is big endian although the CPU is not */
 541                 *dst++ = htobe16(*src++);
 542 #else
 543                 *dst++ = htole16(*src++);
 544 #endif
 545             }
 546
 547             write(fh, line_block, sizeof(line_block));
 548         }
 549 #endif /* LCD_DEPTH */
 550     }
 551
 552     close(fh);
 553 }
 554
 555 void screen_dump_set_hook(void (*hook)(int fh))
 556 {
 557     screen_dump_hook = hook;
 558 }
 559
 560 #endif /* HAVE_LCD_BITMAP */
 561
 562 /* parse a line from a configuration file. the line format is:
 563
 564    name: value
 565
 566    Any whitespace before setting name or value (after ':') is ignored.
 567    A # as first non-whitespace character discards the whole line.
 568    Function sets pointers to null-terminated setting name and value.
 569    Returns false if no valid config entry was found.
 570 */
 571
 572 bool settings_parseline(char* line, char** name, char** value)
 573 {
 574     char* ptr;
 575
 576     while ( isspace(*line) )
 577         line++;
 578
 579     if ( *line == '#' )
 580         return false;
 581
 582     ptr = strchr(line, ':');
 583     if ( !ptr )
 584         return false;
 585
 586     *name = line;
 587     *ptr = 0;
 588     ptr++;
 589     while (isspace(*ptr))
 590         ptr++;
 591     *value = ptr;
 592     return true;
 593 }
 594
 595 static void system_flush(void)
 596 {
 597     tree_flush();
 598     call_ata_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
 599 }
 600
 601 static void system_restore(void)
 602 {
 603     tree_restore();
 604 }
 605
 606 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 607 {
 608 #ifdef SIMULATOR
 609     (void)callback;
 610     (void)parameter;
 611     bookmark_autobookmark();
 612     call_ata_idle_notifys(true);
 613     exit(0);
 614 #else
 615     long msg_id = -1;
 616     int i;
 617
 618     scrobbler_poweroff();
 619
 620 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 621     if(!charger_inserted())
 622 #endif
 623     {
 624         bool batt_safe = battery_level_safe();
 625         int audio_stat = audio_status();
 626
 627         FOR_NB_SCREENS(i)
 628             screens[i].clear_display();
 629
 630         if (batt_safe)
 631         {
 632 #ifdef HAVE_TAGCACHE
 633             if (!tagcache_prepare_shutdown())
 634             {
 635                 cancel_shutdown();
 636                 gui_syncsplash(HZ, ID2P(LANG_TAGCACHE_BUSY));
 637                 return false;
 638             }
 639 #endif
 640             if (battery_level() > 10)
 641                 gui_syncsplash(0, str(LANG_SHUTTINGDOWN));
 642             else
 643             {
 644                 msg_id = LANG_WARNING_BATTERY_LOW;
 645                 gui_syncsplash(0, "%s %s",
 646                                str(LANG_WARNING_BATTERY_LOW),
 647                                str(LANG_SHUTTINGDOWN));
 648             }
 649         }
 650         else
 651         {
 652             msg_id = LANG_WARNING_BATTERY_EMPTY;
 653             gui_syncsplash(0, "%s %s",
 654                            str(LANG_WARNING_BATTERY_EMPTY),
 655                            str(LANG_SHUTTINGDOWN));
 656         }
 657
 658         if (global_settings.fade_on_stop
 659             && (audio_stat & AUDIO_STATUS_PLAY))
 660         {
 661             fade(0);
 662         }
 663
 664         if (batt_safe) /* do not save on critical battery */
 665         {
 666 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 667             if (audio_stat & AUDIO_STATUS_RECORD)
 668             {
 669                 rec_command(RECORDING_CMD_STOP);
 670                 /* wait for stop to complete */
 671                 while (audio_status() & AUDIO_STATUS_RECORD)
 672                     sleep(1);
 673             }
 674 #endif
 675             bookmark_autobookmark();
 676
 677             /* audio_stop_recording == audio_stop for HWCODEC */
 678             audio_stop();
 679
 680             if (callback != NULL)
 681                 callback(parameter);
 682
 683 #if CONFIG_CODEC != SWCODEC
 684             /* wait for audio_stop or audio_stop_recording to complete */
 685             while (audio_status())
 686                 sleep(1);
 687 #endif
 688
 689 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 690             audio_close_recording();
 691 #endif
 692
 693             if(global_settings.talk_menu)
 694             {
 695                 bool enqueue = false;
 696                 if(msg_id != -1)
 697                 {
 698                     talk_id(msg_id, enqueue);
 699                     enqueue = true;
 700                 }
 701                 talk_id(LANG_SHUTTINGDOWN, enqueue);
 702 #if CONFIG_CODEC == SWCODEC
 703                 voice_wait();
 704 #endif
 705             }
 706
 707             system_flush();
 708 #ifdef HAVE_EEPROM_SETTINGS
 709             if (firmware_settings.initialized)
 710             {
 711                 firmware_settings.disk_clean = true;
 712                 firmware_settings.bl_version = 0;
 713                 eeprom_settings_store();
 714             }
 715 #endif
 716         }
 717 #ifdef HAVE_DIRCACHE
 718         else
 719             dircache_disable();
 720 #endif
 721
 722         shutdown_hw();
 723     }
 724 #endif
 725     return false;
 726 }
 727
 728 bool list_stop_handler(void)
 729 {
 730     bool ret = false;
 731
 732     /* Stop the music if it is playing */
 733     if(audio_status())
 734     {
 735         if (!global_settings.party_mode)
 736         {
 737             if (global_settings.fade_on_stop)
 738                 fade(0);
 739             bookmark_autobookmark();
 740             audio_stop();
 741             ret = true;  /* bookmarking can make a refresh necessary */
 742         }
 743     }
 744 #if CONFIG_CHARGING
 745 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 746     else
 747     {
 748         if (charger_inserted())
 749             charging_splash();
 750         else
 751             shutdown_screen(); /* won't return if shutdown actually happens */
 752
 753         ret = true;  /* screen is dirty, caller needs to refresh */
 754     }
 755 #endif
 756 #ifndef HAVE_POWEROFF_WHILE_CHARGING
 757     {
 758         static long last_off = 0;
 759
 760         if (TIME_BEFORE(current_tick, last_off + HZ/2))
 761         {
 762             if (charger_inserted())
 763             {
 764                 charging_splash();
 765                 ret = true;  /* screen is dirty, caller needs to refresh */
 766             }
 767         }
 768         last_off = current_tick;
 769     }
 770 #endif
 771 #endif /* CONFIG_CHARGING */
 772     return ret;
 773 }
 774
 775 #if CONFIG_CHARGING
 776 static bool waiting_to_resume_play = false;
 777 static long play_resume_tick;
 778
 779 static void car_adapter_mode_processing(bool inserted)
 780 {
 781     if (global_settings.car_adapter_mode)
 782     {
 783         if(inserted)
 784         {
 785             /*
 786              * Just got plugged in, delay & resume if we were playing
 787              */
 788             if (audio_status() & AUDIO_STATUS_PAUSE)
 789             {
 790                 /* delay resume a bit while the engine is cranking */
 791                 play_resume_tick = current_tick + HZ*5;
 792                 waiting_to_resume_play = true;
 793             }
 794         }
 795         else
 796         {
 797             /*
 798              * Just got unplugged, pause if playing
 799              */
 800             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 801                 !(audio_status() & AUDIO_STATUS_PAUSE))
 802             {
 803                 if (global_settings.fade_on_stop)
 804                     fade(0);
 805                 else
 806                     audio_pause();
 807             }
 808             waiting_to_resume_play = false;
 809         }
 810     }
 811 }
 812
 813 static void car_adapter_tick(void)
 814 {
 815     if (waiting_to_resume_play)
 816     {
 817         if (TIME_AFTER(current_tick, play_resume_tick))
 818         {
 819             if (audio_status() & AUDIO_STATUS_PAUSE)
 820             {
 821                 queue_broadcast(SYS_CAR_ADAPTER_RESUME, 0);
 822             }
 823             waiting_to_resume_play = false;
 824         }
 825     }
 826 }
 827
 828 void car_adapter_mode_init(void)
 829 {
 830     tick_add_task(car_adapter_tick);
 831 }
 832 #endif
 833
 834 #ifdef HAVE_HEADPHONE_DETECTION
 835 static void unplug_change(bool inserted)
 836 {
 837     if (global_settings.unplug_mode)
 838     {
 839         if (inserted)
 840         {
 841             if ( global_settings.unplug_mode > 1 )
 842                 audio_resume();
 843             backlight_on();
 844         } else {
 845             audio_pause();
 846
 847             if (global_settings.unplug_rw)
 848             {
 849                 if ( audio_current_track()->elapsed >
 850                 (unsigned long)(global_settings.unplug_rw*1000))
 851                     audio_ff_rewind(audio_current_track()->elapsed -
 852                     (global_settings.unplug_rw*1000));
 853                 else
 854                     audio_ff_rewind(0);
 855             }
 856         }
 857     }
 858 }
 859 #endif
 860
 861 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 862 {
 863     switch(event)
 864     {
 865         case SYS_BATTERY_UPDATE:
 866             if(global_settings.talk_battery_level)
 867             {
 868                 talk_ids(true, VOICE_PAUSE, VOICE_PAUSE,
 869                          LANG_BATTERY_TIME,
 870                          TALK_ID(battery_level(), UNIT_PERCENT),
 871                          VOICE_PAUSE);
 872                 talk_force_enqueue_next();
 873             }
 874             break;
 875         case SYS_USB_CONNECTED:
 876             if (callback != NULL)
 877                 callback(parameter);
 878 #ifdef HAVE_MMC
 879             if (!mmc_touched() ||
 880                 (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
 881 #endif
 882             {
 883                 scrobbler_flush_cache();
 884                 system_flush();
 885 #ifdef BOOTFILE
 886 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 887                 check_bootfile(false); /* gets initial size */
 888 #endif
 889 #endif
 890                 usb_screen();
 891 #ifdef BOOTFILE
 892 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 893                 check_bootfile(true);
 894 #endif
 895 #endif
 896                 system_restore();
 897             }
 898             return SYS_USB_CONNECTED;
 899         case SYS_POWEROFF:
 900             if (!clean_shutdown(callback, parameter))
 901                 return SYS_POWEROFF;
 902             break;
 903 #if CONFIG_CHARGING
 904         case SYS_CHARGER_CONNECTED:
 905             car_adapter_mode_processing(true);
 906             return SYS_CHARGER_CONNECTED;
 907
 908         case SYS_CHARGER_DISCONNECTED:
 909             car_adapter_mode_processing(false);
 910             return SYS_CHARGER_DISCONNECTED;
 911
 912         case SYS_CAR_ADAPTER_RESUME:
 913             audio_resume();
 914             return SYS_CAR_ADAPTER_RESUME;
 915 #endif
 916 #ifdef HAVE_HEADPHONE_DETECTION
 917         case SYS_PHONE_PLUGGED:
 918             unplug_change(true);
 919             return SYS_PHONE_PLUGGED;
 920
 921         case SYS_PHONE_UNPLUGGED:
 922             unplug_change(false);
 923             return SYS_PHONE_UNPLUGGED;
 924 #endif
 925     }
 926     return 0;
 927 }
 928
 929 long default_event_handler(long event)
 930 {
 931     return default_event_handler_ex(event, NULL, NULL);
 932 }
 933
 934 int show_logo( void )
 935 {
 936 #ifdef HAVE_LCD_BITMAP
 937     char version[32];
 938     int font_h, font_w;
 939
 940     snprintf(version, sizeof(version), "Ver. %s", appsversion);
 941
 942     lcd_clear_display();
 943     lcd_bitmap(rockboxlogo, 0, 10, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
 944     lcd_setfont(FONT_SYSFIXED);
 945     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 946     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 947                LCD_HEIGHT-font_h, (unsigned char *)version);
 948     lcd_setfont(FONT_UI);
 949
 950 #else
 951     char *rockbox = "  ROCKbox!";
 952
 953     lcd_clear_display();
 954     lcd_double_height(true);
 955     lcd_puts(0, 0, rockbox);
 956     lcd_puts_scroll(0, 1, appsversion);
 957 #endif
 958     lcd_update();
 959
 960 #ifdef HAVE_REMOTE_LCD
 961     lcd_remote_clear_display();
 962     lcd_remote_bitmap(remote_rockboxlogo, 0, 10, BMPWIDTH_remote_rockboxlogo,
 963                       BMPHEIGHT_remote_rockboxlogo);
 964     lcd_remote_setfont(FONT_SYSFIXED);
 965     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 966     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 967                        LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 968     lcd_remote_setfont(FONT_UI);
 969     lcd_remote_update();
 970 #endif
 971
 972     return 0;
 973 }
 974
 975 #if CONFIG_CODEC == SWCODEC
 976 int get_replaygain_mode(bool have_track_gain, bool have_album_gain)
 977 {
 978     int type;
 979
 980     bool track = ((global_settings.replaygain_type == REPLAYGAIN_TRACK)
 981         || ((global_settings.replaygain_type == REPLAYGAIN_SHUFFLE)
 982             && global_settings.playlist_shuffle));
 983
 984     type = (!track && have_album_gain) ? REPLAYGAIN_ALBUM
 985         : have_track_gain ? REPLAYGAIN_TRACK : -1;
 986
 987     return type;
 988 }
 989 #endif
 990
 991 #ifdef BOOTFILE
 992 #if !defined(USB_NONE) && !defined(USB_IPODSTYLE)
 993 /*
 994     memorize/compare details about the BOOTFILE
 995     we don't use dircache because it may not be up to date after
 996     USB disconnect (scanning in the background)
 997 */
 998 void check_bootfile(bool do_rolo)
 999 {
1000     static unsigned short wrtdate = 0;
1001     static unsigned short wrttime = 0;
1002     DIR* dir = NULL;
1003     struct dirent* entry = NULL;
1004
1005     /* 1. open BOOTDIR and find the BOOTFILE dir entry */
1006     dir = opendir(BOOTDIR);
1007
1008     if(!dir) return; /* do we want an error splash? */
1009
1010     /* loop all files in BOOTDIR */
1011     while(0 != (entry = readdir(dir)))
1012     {
1013         if(!strcasecmp(entry->d_name, BOOTFILE))
1014         {
1015             /* found the bootfile */
1016             if(wrtdate && do_rolo)
1017             {
1018                 if((entry->wrtdate != wrtdate) ||
1019                    (entry->wrttime != wrttime))
1020                 {
1021                     char *lines[] = { ID2P(LANG_BOOT_CHANGED),
1022                                       ID2P(LANG_REBOOT_NOW) };
1023                     struct text_message message={ lines, 2 };
1024                     button_clear_queue(); /* Empty the keyboard buffer */
1025                     if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
1026                     rolo_load(BOOTDIR "/" BOOTFILE);
1027                 }
1028             }
1029             wrtdate = entry->wrtdate;
1030             wrttime = entry->wrttime;
1031         }
1032     }
1033     closedir(dir);
1034 }
1035 #endif
1036 #endif
1037
1038 /* check range, set volume and save settings */
1039 void setvol(void)
1040 {
1041     const int min_vol = sound_min(SOUND_VOLUME);
1042     const int max_vol = sound_max(SOUND_VOLUME);
1043     if (global_settings.volume < min_vol)
1044         global_settings.volume = min_vol;
1045     if (global_settings.volume > max_vol)
1046         global_settings.volume = max_vol;
1047     sound_set_volume(global_settings.volume);
1048     settings_save();
1049 }
1050
1051 #ifdef HAVE_LCD_COLOR
1052 /*
1053  * Helper function to convert a string of 6 hex digits to a native colour
1054  */
1055
1056 #define hex2dec(c) (((c) >= '0' && ((c) <= '9')) ? (toupper(c)) - '0' : \
1057                                                    (toupper(c)) - 'A' + 10)
1058
1059 int hex_to_rgb(const char* hex)
1060 {   int ok = 1;
1061     int i;
1062     int red, green, blue;
1063
1064     if (strlen(hex) == 6) {
1065         for (i=0; i < 6; i++ ) {
1066            if (!isxdigit(hex[i])) {
1067               ok=0;
1068               break;
1069            }
1070         }
1071
1072         if (ok) {
1073             red = (hex2dec(hex[0]) << 4) | hex2dec(hex[1]);
1074             green = (hex2dec(hex[2]) << 4) | hex2dec(hex[3]);
1075             blue = (hex2dec(hex[4]) << 4) | hex2dec(hex[5]);
1076             return LCD_RGBPACK(red,green,blue);
1077         }
1078     }
1079
1080     return 0;
1081 }
1082 #endif /* HAVE_LCD_COLOR */
1083
1084 char* strrsplt(char* str, int c)
1085 {
1086     char* s = strrchr(str, c);
1087
1088     if (s != NULL)
1089     {
1090         *s++ = '\0';
1091     }
1092     else
1093     {
1094         s = str;
1095     }
1096
1097     return s;
1098 }
1099
1100 /* Test file existence, using dircache of possible */
1101 bool file_exists(const char *file)
1102 {
1103     int fd;
1104
1105     if (!file || strlen(file) <= 0)
1106         return false;
1107
1108 #ifdef HAVE_DIRCACHE
1109     if (dircache_is_enabled())
1110         return (dircache_get_entry_ptr(file) != NULL);
1111 #endif
1112
1113     fd = open(file, O_RDONLY);
1114     if (fd < 0)
1115         return false;
1116     close(fd);
1117     return true;
1118 }
1119
1120 bool dir_exists(const char *path)
1121 {
1122     DIR* d = opendir(path);
1123     if (!d)
1124         return false;
1125     closedir(d);
1126     return true;
1127 }
1128
1129 /*
1130  * removes the extension of filename (if it doesn't start with a .)
1131  * puts the result in buffer
1132  */
1133 char *strip_extension(char* buffer, int buffer_size, const char *filename)
1134 {
1135     char *dot = strrchr(filename, '.');
1136     int len;
1137
1138     if (buffer_size <= 0)
1139     {
1140         return NULL;
1141     }
1142
1143     buffer_size--;  /* Make room for end nil */
1144
1145     if (dot != 0 && filename[0] != '.')
1146     {
1147         len = dot - filename;
1148         len = MIN(len, buffer_size);
1149         strncpy(buffer, filename, len);
1150     }
1151     else
1152     {
1153         len = buffer_size;
1154         strncpy(buffer, filename, buffer_size);
1155     }
1156
1157     buffer[len] = 0;
1158
1159     return buffer;
1160 }