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
  66 #ifdef BOOTFILE
  67 #ifndef USB_IPODSTYLE
  68 #include "textarea.h"
  69 #include "rolo.h"
  70 #include "yesno.h"
  71 #endif
  72 #endif
  73
  74 /* Format a large-range value for output, using the appropriate unit so that
  75  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
  76  * units) if possible, and 3 significant digits are shown. If a buffer is
  77  * given, the result is snprintf()'d into that buffer, otherwise the result is
  78  * voiced.*/
  79 char *output_dyn_value(char *buf, int buf_size, int value,
  80                        const unsigned char **units, bool bin_scale)
  81 {
  82     int scale = bin_scale ? 1024 : 1000;
  83     int fraction = 0;
  84     int unit_no = 0;
  85     int i;
  86     char tbuf[5];
  87
  88     while (value >= scale)
  89     {
  90         fraction = value % scale;
  91         value /= scale;
  92         unit_no++;
  93     }
  94     if (bin_scale)
  95         fraction = fraction * 1000 / 1024;
  96
  97     if (value >= 100 || !unit_no)
  98         tbuf[0] = '\0';
  99     else if (value >= 10)
 100         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
 101     else
 102         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
 103
 104     if (buf)
 105     {
 106         if (strlen(tbuf))
 107             snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
 108                      tbuf, P2STR(units[unit_no]));
 109         else
 110             snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
 111     }
 112     else
 113     {
 114         /* strip trailing zeros from the fraction */
 115         for (i = strlen(tbuf) - 1; (i >= 0) && (tbuf[i] == '0'); i--)
 116             tbuf[i] = '\0';
 117
 118         talk_number(value, true);
 119         if (tbuf[0] != 0)
 120         {
 121             talk_id(LANG_POINT, true);
 122             talk_spell(tbuf, true);
 123         }
 124         talk_id(P2ID(units[unit_no]), true);
 125     }
 126     return buf;
 127 }
 128
 129 /* Create a filename with a number part in a way that the number is 1
 130  * higher than the highest numbered file matching the same pattern.
 131  * It is allowed that buffer and path point to the same memory location,
 132  * saving a strcpy(). Path must always be given without trailing slash.
 133  * "num" can point to an int specifying the number to use or NULL or a value
 134  * less than zero to number automatically. The final number used will also
 135  * be returned in *num. If *num is >= 0 then *num will be incremented by
 136  * one. */
 137 char *create_numbered_filename(char *buffer, const char *path,
 138                                const char *prefix, const char *suffix,
 139                                int numberlen IF_CNFN_NUM_(, int *num))
 140 {
 141     DIR *dir;
 142     struct dirent *entry;
 143     int max_num;
 144     int pathlen;
 145     int prefixlen = strlen(prefix);
 146     char fmtstring[12];
 147
 148     if (buffer != path)
 149         strncpy(buffer, path, MAX_PATH);
 150
 151     pathlen = strlen(buffer);
 152
 153 #ifdef IF_CNFN_NUM
 154     if (num && *num >= 0)
 155     {
 156         /* number specified */
 157         max_num = *num;
 158     }
 159     else
 160 #endif
 161     {
 162         /* automatic numbering */
 163         max_num = 0;
 164
 165     dir = opendir(pathlen ? buffer : "/");
 166     if (!dir)
 167         return NULL;
 168
 169     while ((entry = readdir(dir)))
 170     {
 171         int curr_num;
 172
 173         if (strncasecmp((char *)entry->d_name, prefix, prefixlen)
 174             || strcasecmp((char *)entry->d_name + prefixlen + numberlen, suffix))
 175             continue;
 176
 177         curr_num = atoi((char *)entry->d_name + prefixlen);
 178         if (curr_num > max_num)
 179             max_num = curr_num;
 180     }
 181
 182     closedir(dir);
 183     }
 184
 185     max_num++;
 186
 187     snprintf(fmtstring, sizeof(fmtstring), "/%%s%%0%dd%%s", numberlen);
 188     snprintf(buffer + pathlen, MAX_PATH - pathlen, fmtstring, prefix,
 189              max_num, suffix);
 190
 191 #ifdef IF_CNFN_NUM
 192     if (num)
 193         *num = max_num;
 194 #endif
 195
 196     return buffer;
 197 }
 198
 199 /* Format time into buf.
 200  *
 201  * buf      - buffer to format to.
 202  * buf_size - size of buffer.
 203  * t        - time to format, in milliseconds.
 204  */
 205 void format_time(char* buf, int buf_size, long t)
 206 {
 207     if ( t < 3600000 )
 208     {
 209       snprintf(buf, buf_size, "%d:%02d",
 210                (int) (t / 60000), (int) (t % 60000 / 1000));
 211     }
 212     else
 213     {
 214       snprintf(buf, buf_size, "%d:%02d:%02d",
 215                (int) (t / 3600000), (int) (t % 3600000 / 60000),
 216                (int) (t % 60000 / 1000));
 217     }
 218 }
 219
 220 #if CONFIG_RTC
 221 /* Create a filename with a date+time part.
 222    It is allowed that buffer and path point to the same memory location,
 223    saving a strcpy(). Path must always be given without trailing slash.
 224    unique_time as true makes the function wait until the current time has
 225    changed. */
 226 char *create_datetime_filename(char *buffer, const char *path,
 227                                const char *prefix, const char *suffix,
 228                                bool unique_time)
 229 {
 230     struct tm *tm = get_time();
 231     static struct tm last_tm;
 232     int pathlen;
 233
 234     while (unique_time && !memcmp(get_time(), &last_tm, sizeof (struct tm)))
 235         sleep(HZ/10);
 236
 237     last_tm = *tm;
 238
 239     if (buffer != path)
 240         strncpy(buffer, path, MAX_PATH);
 241
 242     pathlen = strlen(buffer);
 243     snprintf(buffer + pathlen, MAX_PATH - pathlen,
 244              "/%s%02d%02d%02d-%02d%02d%02d%s", prefix,
 245              tm->tm_year % 100, tm->tm_mon + 1, tm->tm_mday,
 246              tm->tm_hour, tm->tm_min, tm->tm_sec, suffix);
 247
 248     return buffer;
 249 }
 250 #endif /* CONFIG_RTC */
 251
 252 /* Read (up to) a line of text from fd into buffer and return number of bytes
 253  * read (which may be larger than the number of bytes stored in buffer). If
 254  * an error occurs, -1 is returned (and buffer contains whatever could be
 255  * read). A line is terminated by a LF char. Neither LF nor CR chars are
 256  * stored in buffer.
 257  */
 258 int read_line(int fd, char* buffer, int buffer_size)
 259 {
 260     int count = 0;
 261     int num_read = 0;
 262
 263     errno = 0;
 264
 265     while (count < buffer_size)
 266     {
 267         unsigned char c;
 268
 269         if (1 != read(fd, &c, 1))
 270             break;
 271
 272         num_read++;
 273
 274         if ( c == '\n' )
 275             break;
 276
 277         if ( c == '\r' )
 278             continue;
 279
 280         buffer[count++] = c;
 281     }
 282
 283     buffer[MIN(count, buffer_size - 1)] = 0;
 284
 285     return errno ? -1 : num_read;
 286 }
 287
 288 /* Performance optimized version of the previous function. */
 289 int fast_readline(int fd, char *buf, int buf_size, void *parameters,
 290                   int (*callback)(int n, const char *buf, void *parameters))
 291 {
 292     char *p, *next;
 293     int rc, pos = 0;
 294     int count = 0;
 295
 296     while ( 1 )
 297     {
 298         next = NULL;
 299
 300         rc = read(fd, &buf[pos], buf_size - pos - 1);
 301         if (rc >= 0)
 302             buf[pos+rc] = '\0';
 303
 304         if ( (p = strchr(buf, '\r')) != NULL)
 305         {
 306             *p = '\0';
 307             next = ++p;
 308         }
 309         else
 310             p = buf;
 311
 312         if ( (p = strchr(p, '\n')) != NULL)
 313         {
 314             *p = '\0';
 315             next = ++p;
 316         }
 317
 318         rc = callback(count, buf, parameters);
 319         if (rc < 0)
 320             return rc;
 321
 322         count++;
 323         if (next)
 324         {
 325             pos = buf_size - ((long)next - (long)buf) - 1;
 326             memmove(buf, next, pos);
 327         }
 328         else
 329             break ;
 330     }
 331
 332     return 0;
 333 }
 334
 335 #ifdef HAVE_LCD_BITMAP
 336
 337 #if LCD_DEPTH == 16
 338 #define BMP_COMPRESSION 3 /* BI_BITFIELDS */
 339 #define BMP_NUMCOLORS 3
 340 #else
 341 #define BMP_COMPRESSION 0 /* BI_RGB */
 342 #if LCD_DEPTH <= 8
 343 #define BMP_NUMCOLORS (1 << LCD_DEPTH)
 344 #else
 345 #define BMP_NUMCOLORS 0
 346 #endif
 347 #endif
 348
 349 #if LCD_DEPTH == 1
 350 #define BMP_BPP 1
 351 #define BMP_LINESIZE ((LCD_WIDTH/8 + 3) & ~3)
 352 #elif LCD_DEPTH <= 4
 353 #define BMP_BPP 4
 354 #define BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
 355 #elif LCD_DEPTH <= 8
 356 #define BMP_BPP 8
 357 #define BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
 358 #elif LCD_DEPTH <= 16
 359 #define BMP_BPP 16
 360 #define BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
 361 #else
 362 #define BMP_BPP 24
 363 #define BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
 364 #endif
 365
 366 #define BMP_HEADERSIZE (54 + 4 * BMP_NUMCOLORS)
 367 #define BMP_DATASIZE   (BMP_LINESIZE * LCD_HEIGHT)
 368 #define BMP_TOTALSIZE  (BMP_HEADERSIZE + BMP_DATASIZE)
 369
 370 #define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
 371 #define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
 372
 373 static const unsigned char bmpheader[] =
 374 {
 375     0x42, 0x4d,                 /* 'BM' */
 376     LE32_CONST(BMP_TOTALSIZE),  /* Total file size */
 377     0x00, 0x00, 0x00, 0x00,     /* Reserved */
 378     LE32_CONST(BMP_HEADERSIZE), /* Offset to start of pixel data */
 379
 380     0x28, 0x00, 0x00, 0x00,     /* Size of (2nd) header */
 381     LE32_CONST(LCD_WIDTH),      /* Width in pixels */
 382     LE32_CONST(LCD_HEIGHT),     /* Height in pixels */
 383     0x01, 0x00,                 /* Number of planes (always 1) */
 384     LE16_CONST(BMP_BPP),        /* Bits per pixel 1/4/8/16/24 */
 385     LE32_CONST(BMP_COMPRESSION),/* Compression mode */
 386     LE32_CONST(BMP_DATASIZE),   /* Size of bitmap data */
 387     0xc4, 0x0e, 0x00, 0x00,     /* Horizontal resolution (pixels/meter) */
 388     0xc4, 0x0e, 0x00, 0x00,     /* Vertical resolution (pixels/meter) */
 389     LE32_CONST(BMP_NUMCOLORS),  /* Number of used colours */
 390     LE32_CONST(BMP_NUMCOLORS),  /* Number of important colours */
 391
 392 #if LCD_DEPTH == 1
 393     0x90, 0xee, 0x90, 0x00,     /* Colour #0 */
 394     0x00, 0x00, 0x00, 0x00      /* Colour #1 */
 395 #elif LCD_DEPTH == 2
 396     0xe6, 0xd8, 0xad, 0x00,     /* Colour #0 */
 397     0x99, 0x90, 0x73, 0x00,     /* Colour #1 */
 398     0x4c, 0x48, 0x39, 0x00,     /* Colour #2 */
 399     0x00, 0x00, 0x00, 0x00      /* Colour #3 */
 400 #elif LCD_DEPTH == 16
 401     0x00, 0xf8, 0x00, 0x00,     /* red bitfield mask */
 402     0xe0, 0x07, 0x00, 0x00,     /* green bitfield mask */
 403     0x1f, 0x00, 0x00, 0x00      /* blue bitfield mask */
 404 #endif
 405 };
 406
 407 static void (*screen_dump_hook)(int fh) = NULL;
 408
 409 void screen_dump(void)
 410 {
 411     int fh;
 412     char filename[MAX_PATH];
 413     int bx, by;
 414 #if LCD_DEPTH == 1
 415     static unsigned char line_block[8][BMP_LINESIZE];
 416 #elif LCD_DEPTH == 2
 417 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 418     static unsigned char line_block[BMP_LINESIZE];
 419 #else
 420     static unsigned char line_block[4][BMP_LINESIZE];
 421 #endif
 422 #elif LCD_DEPTH == 16
 423     static unsigned short line_block[BMP_LINESIZE/2];
 424 #endif
 425
 426 #if CONFIG_RTC
 427     create_datetime_filename(filename, "", "dump ", ".bmp", false);
 428 #else
 429     create_numbered_filename(filename, "", "dump_", ".bmp", 4
 430                              IF_CNFN_NUM_(, NULL));
 431 #endif
 432
 433     fh = creat(filename);
 434     if (fh < 0)
 435         return;
 436
 437     if (screen_dump_hook)
 438     {
 439         screen_dump_hook(fh);
 440     }
 441     else
 442     {
 443         write(fh, bmpheader, sizeof(bmpheader));
 444
 445         /* BMP image goes bottom up */
 446 #if LCD_DEPTH == 1
 447         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 448         {
 449             unsigned char *src = &lcd_framebuffer[by][0];
 450             unsigned char *dst = &line_block[0][0];
 451
 452             memset(line_block, 0, sizeof(line_block));
 453             for (bx = LCD_WIDTH/8; bx > 0; bx--)
 454             {
 455                 unsigned dst_mask = 0x80;
 456                 int ix;
 457
 458                 for (ix = 8; ix > 0; ix--)
 459                 {
 460                     unsigned char *dst_blk = dst;
 461                     unsigned src_byte = *src++;
 462                     int iy;
 463
 464                     for (iy = 8; iy > 0; iy--)
 465                     {
 466                         if (src_byte & 0x80)
 467                             *dst_blk |= dst_mask;
 468                         src_byte <<= 1;
 469                         dst_blk += BMP_LINESIZE;
 470                     }
 471                     dst_mask >>= 1;
 472                 }
 473                 dst++;
 474             }
 475
 476             write(fh, line_block, sizeof(line_block));
 477         }
 478 #elif LCD_DEPTH == 2
 479 #if LCD_PIXELFORMAT == HORIZONTAL_PACKING
 480         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 481         {
 482             unsigned char *src = &lcd_framebuffer[by][0];
 483             unsigned char *dst = line_block;
 484
 485             memset(line_block, 0, sizeof(line_block));
 486             for (bx = LCD_FBWIDTH; bx > 0; bx--)
 487             {
 488                 unsigned src_byte = *src++;
 489
 490                 *dst++ = ((src_byte >> 2) & 0x30) | ((src_byte >> 4) & 0x03);
 491                 *dst++ = ((src_byte << 2) & 0x30) | (src_byte & 0x03);
 492             }
 493
 494             write(fh, line_block, sizeof(line_block));
 495         }
 496 #else /* VERTICAL_PACKING */
 497         for (by = LCD_FBHEIGHT - 1; by >= 0; by--)
 498         {
 499             unsigned char *src = &lcd_framebuffer[by][0];
 500             unsigned char *dst = &line_block[3][0];
 501
 502             memset(line_block, 0, sizeof(line_block));
 503             for (bx = LCD_WIDTH/2; bx > 0; bx--)
 504             {
 505                 unsigned char *dst_blk = dst++;
 506                 unsigned src_byte0 = *src++;
 507                 unsigned src_byte1 = *src++;
 508                 int iy;
 509
 510                 for (iy = 4; iy > 0; iy--)
 511                 {
 512                     *dst_blk = ((src_byte0 & 3) << 4) | (src_byte1 & 3);
 513                     src_byte0 >>= 2;
 514                     src_byte1 >>= 2;
 515                     dst_blk -= BMP_LINESIZE;
 516                 }
 517             }
 518
 519             write(fh, line_block, sizeof(line_block));
 520         }
 521 #endif
 522 #elif LCD_DEPTH == 16
 523         for (by = LCD_HEIGHT - 1; by >= 0; by--)
 524         {
 525             unsigned short *src = &lcd_framebuffer[by][0];
 526             unsigned short *dst = line_block;
 527
 528             memset(line_block, 0, sizeof(line_block));
 529             for (bx = LCD_WIDTH; bx > 0; bx--)
 530             {
 531 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 532                 /* iPod LCD data is big endian although the CPU is not */
 533                 *dst++ = htobe16(*src++);
 534 #else
 535                 *dst++ = htole16(*src++);
 536 #endif
 537             }
 538
 539             write(fh, line_block, sizeof(line_block));
 540         }
 541 #endif /* LCD_DEPTH */
 542     }
 543
 544     close(fh);
 545 }
 546
 547 void screen_dump_set_hook(void (*hook)(int fh))
 548 {
 549     screen_dump_hook = hook;
 550 }
 551
 552 #endif /* HAVE_LCD_BITMAP */
 553
 554 /* parse a line from a configuration file. the line format is:
 555
 556    name: value
 557
 558    Any whitespace before setting name or value (after ':') is ignored.
 559    A # as first non-whitespace character discards the whole line.
 560    Function sets pointers to null-terminated setting name and value.
 561    Returns false if no valid config entry was found.
 562 */
 563
 564 bool settings_parseline(char* line, char** name, char** value)
 565 {
 566     char* ptr;
 567
 568     while ( isspace(*line) )
 569         line++;
 570
 571     if ( *line == '#' )
 572         return false;
 573
 574     ptr = strchr(line, ':');
 575     if ( !ptr )
 576         return false;
 577
 578     *name = line;
 579     *ptr = 0;
 580     ptr++;
 581     while (isspace(*ptr))
 582         ptr++;
 583     *value = ptr;
 584     return true;
 585 }
 586
 587 static void system_flush(void)
 588 {
 589     tree_flush();
 590     call_ata_idle_notifys(true); /*doesnt work on usb and shutdown from ata thread */
 591 }
 592
 593 static void system_restore(void)
 594 {
 595     tree_restore();
 596 }
 597
 598 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 599 {
 600 #ifdef SIMULATOR
 601     (void)callback;
 602     (void)parameter;
 603     call_ata_idle_notifys(true);
 604     exit(0);
 605 #else
 606     int i;
 607
 608 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 609     if(!charger_inserted())
 610 #endif
 611     {
 612         bool batt_crit = battery_level_critical();
 613         int audio_stat = audio_status();
 614
 615         FOR_NB_SCREENS(i)
 616             screens[i].clear_display();
 617 #ifdef X5_BACKLIGHT_SHUTDOWN
 618         x5_backlight_shutdown();
 619 #endif
 620         if (!battery_level_safe())
 621             gui_syncsplash(3*HZ, "%s %s",
 622                            str(LANG_WARNING_BATTERY_EMPTY),
 623                            str(LANG_SHUTTINGDOWN));
 624         else if (battery_level_critical())
 625             gui_syncsplash(3*HZ, "%s %s",
 626                            str(LANG_WARNING_BATTERY_LOW),
 627                            str(LANG_SHUTTINGDOWN));
 628         else {
 629 #ifdef HAVE_TAGCACHE
 630             if (!tagcache_prepare_shutdown())
 631             {
 632                 cancel_shutdown();
 633                 gui_syncsplash(HZ, str(LANG_TAGCACHE_BUSY));
 634                 return false;
 635             }
 636 #endif
 637             gui_syncsplash(0, str(LANG_SHUTTINGDOWN));
 638         }
 639
 640         if (global_settings.fade_on_stop
 641             && (audio_stat & AUDIO_STATUS_PLAY))
 642         {
 643             fade(0);
 644         }
 645
 646 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
 647         if (!batt_crit && (audio_stat & AUDIO_STATUS_RECORD))
 648         {
 649             audio_stop_recording();
 650             while(audio_status() & AUDIO_STATUS_RECORD)
 651                 sleep(1);
 652         }
 653
 654         audio_close_recording();
 655 #endif
 656         /* audio_stop_recording == audio_stop for HWCODEC */
 657
 658         audio_stop();
 659         while (audio_status())
 660             sleep(1);
 661
 662         if (callback != NULL)
 663             callback(parameter);
 664
 665         if (!batt_crit) /* do not save on critical battery */
 666             system_flush();
 667 #ifdef HAVE_EEPROM_SETTINGS
 668         if (firmware_settings.initialized)
 669         {
 670             firmware_settings.disk_clean = true;
 671             firmware_settings.bl_version = 0;
 672             eeprom_settings_store();
 673         }
 674 #endif
 675         shutdown_hw();
 676     }
 677 #endif
 678     return false;
 679 }
 680
 681 bool list_stop_handler(void)
 682 {
 683     bool ret = false;
 684
 685     /* Stop the music if it is playing */
 686     if(audio_status())
 687     {
 688         if (!global_settings.party_mode)
 689         {
 690             if (global_settings.fade_on_stop)
 691                 fade(0);
 692             bookmark_autobookmark();
 693             audio_stop();
 694         }
 695     }
 696 #if CONFIG_CHARGING
 697 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 698     else
 699     {
 700         if (charger_inserted())
 701             charging_splash();
 702         else
 703             shutdown_screen(); /* won't return if shutdown actually happens */
 704
 705         ret = true;  /* screen is dirty, caller needs to refresh */
 706     }
 707 #endif
 708 #ifndef HAVE_POWEROFF_WHILE_CHARGING
 709     {
 710         static long last_off = 0;
 711
 712         if (TIME_BEFORE(current_tick, last_off + HZ/2))
 713         {
 714             if (charger_inserted())
 715             {
 716                 charging_splash();
 717                 ret = true;  /* screen is dirty, caller needs to refresh */
 718             }
 719         }
 720         last_off = current_tick;
 721     }
 722 #endif
 723 #endif /* CONFIG_CHARGING */
 724     return ret;
 725 }
 726
 727 #if CONFIG_CHARGING
 728 static bool waiting_to_resume_play = false;
 729 static long play_resume_tick;
 730
 731 static void car_adapter_mode_processing(bool inserted)
 732 {
 733     if (global_settings.car_adapter_mode)
 734     {
 735         if(inserted)
 736         {
 737             /*
 738              * Just got plugged in, delay & resume if we were playing
 739              */
 740             if (audio_status() & AUDIO_STATUS_PAUSE)
 741             {
 742                 /* delay resume a bit while the engine is cranking */
 743                 play_resume_tick = current_tick + HZ*5;
 744                 waiting_to_resume_play = true;
 745             }
 746         }
 747         else
 748         {
 749             /*
 750              * Just got unplugged, pause if playing
 751              */
 752             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 753                 !(audio_status() & AUDIO_STATUS_PAUSE))
 754             {
 755                 if (global_settings.fade_on_stop)
 756                     fade(0);
 757                 else
 758                     audio_pause();
 759             }
 760         }
 761     }
 762 }
 763
 764 static void car_adapter_tick(void)
 765 {
 766     if (waiting_to_resume_play)
 767     {
 768         if (TIME_AFTER(current_tick, play_resume_tick))
 769         {
 770             if (audio_status() & AUDIO_STATUS_PAUSE)
 771             {
 772                 audio_resume();
 773             }
 774             waiting_to_resume_play = false;
 775         }
 776     }
 777 }
 778
 779 void car_adapter_mode_init(void)
 780 {
 781     tick_add_task(car_adapter_tick);
 782 }
 783 #endif
 784
 785 #ifdef HAVE_HEADPHONE_DETECTION
 786 static void unplug_change(bool inserted)
 787 {
 788     if (global_settings.unplug_mode)
 789     {
 790         if (inserted)
 791         {
 792             if ( global_settings.unplug_mode > 1 )
 793                 audio_resume();
 794             backlight_on();
 795         } else {
 796             audio_pause();
 797
 798             if (global_settings.unplug_rw)
 799             {
 800                 if ( audio_current_track()->elapsed >
 801                 (unsigned long)(global_settings.unplug_rw*1000))
 802                     audio_ff_rewind(audio_current_track()->elapsed -
 803                     (global_settings.unplug_rw*1000));
 804                 else
 805                     audio_ff_rewind(0);
 806             }
 807         }
 808     }
 809 }
 810 #endif
 811
 812 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 813 {
 814     switch(event)
 815     {
 816         case SYS_USB_CONNECTED:
 817             if (callback != NULL)
 818                 callback(parameter);
 819 #ifdef HAVE_MMC
 820             if (!mmc_touched() || (mmc_remove_request() == SYS_MMC_EXTRACTED))
 821 #endif
 822             {
 823                 scrobbler_flush_cache();
 824                 system_flush();
 825 #ifdef BOOTFILE
 826 #ifndef USB_IPODSTYLE
 827                 check_bootfile(false); /* gets initial size */
 828 #endif
 829 #endif
 830                 usb_screen();
 831 #ifdef BOOTFILE
 832 #ifndef USB_IPODSTYLE
 833                 check_bootfile(true);
 834 #endif
 835 #endif
 836                 system_restore();
 837             }
 838             return SYS_USB_CONNECTED;
 839         case SYS_POWEROFF:
 840             if (!clean_shutdown(callback, parameter))
 841                 return SYS_POWEROFF;
 842             break;
 843 #if CONFIG_CHARGING
 844         case SYS_CHARGER_CONNECTED:
 845             car_adapter_mode_processing(true);
 846             return SYS_CHARGER_CONNECTED;
 847
 848         case SYS_CHARGER_DISCONNECTED:
 849             car_adapter_mode_processing(false);
 850             return SYS_CHARGER_DISCONNECTED;
 851 #endif
 852 #ifdef HAVE_HEADPHONE_DETECTION
 853         case SYS_PHONE_PLUGGED:
 854             unplug_change(true);
 855             return SYS_PHONE_PLUGGED;
 856
 857         case SYS_PHONE_UNPLUGGED:
 858             unplug_change(false);
 859             return SYS_PHONE_UNPLUGGED;
 860 #endif
 861     }
 862     return 0;
 863 }
 864
 865 long default_event_handler(long event)
 866 {
 867     return default_event_handler_ex(event, NULL, NULL);
 868 }
 869
 870 int show_logo( void )
 871 {
 872 #ifdef HAVE_LCD_BITMAP
 873     char version[32];
 874     int font_h, font_w;
 875
 876     snprintf(version, sizeof(version), "Ver. %s", appsversion);
 877
 878     lcd_clear_display();
 879     lcd_bitmap(rockboxlogo, 0, 10, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
 880     lcd_setfont(FONT_SYSFIXED);
 881     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 882     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 883                LCD_HEIGHT-font_h, (unsigned char *)version);
 884     lcd_setfont(FONT_UI);
 885
 886 #else
 887     char *rockbox = "  ROCKbox!";
 888
 889     lcd_clear_display();
 890     lcd_double_height(true);
 891     lcd_puts(0, 0, rockbox);
 892     lcd_puts_scroll(0, 1, appsversion);
 893 #endif
 894     lcd_update();
 895
 896 #ifdef HAVE_REMOTE_LCD
 897     lcd_remote_clear_display();
 898     lcd_remote_bitmap(remote_rockboxlogo, 0, 10, BMPWIDTH_remote_rockboxlogo,
 899                       BMPHEIGHT_remote_rockboxlogo);
 900     lcd_remote_setfont(FONT_SYSFIXED);
 901     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 902     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 903                        LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 904     lcd_remote_setfont(FONT_UI);
 905     lcd_remote_update();
 906 #endif
 907
 908     return 0;
 909 }
 910
 911 #if CONFIG_CODEC == SWCODEC
 912 int get_replaygain_mode(bool have_track_gain, bool have_album_gain)
 913 {
 914     int type;
 915
 916     bool track = ((global_settings.replaygain_type == REPLAYGAIN_TRACK)
 917         || ((global_settings.replaygain_type == REPLAYGAIN_SHUFFLE)
 918             && global_settings.playlist_shuffle));
 919
 920     type = (!track && have_album_gain) ? REPLAYGAIN_ALBUM
 921         : have_track_gain ? REPLAYGAIN_TRACK : -1;
 922
 923     return type;
 924 }
 925 #endif
 926
 927 #ifdef BOOTFILE
 928 #ifndef USB_IPODSTYLE
 929 /*
 930     memorize/compare details about the BOOTFILE
 931     we don't use dircache because it may not be up to date after
 932     USB disconnect (scanning in the background)
 933 */
 934 void check_bootfile(bool do_rolo)
 935 {
 936     static unsigned short wrtdate = 0;
 937     static unsigned short wrttime = 0;
 938     DIR* dir = NULL;
 939     struct dirent* entry = NULL;
 940
 941     /* 1. open BOOTDIR and find the BOOTFILE dir entry */
 942     dir = opendir(BOOTDIR);
 943
 944     if(!dir) return; /* do we want an error splash? */
 945
 946     /* loop all files in BOOTDIR */
 947     while(0 != (entry = readdir(dir)))
 948     {
 949         if(!strcasecmp(entry->d_name, BOOTFILE))
 950         {
 951             /* found the bootfile */
 952             if(wrtdate && do_rolo)
 953             {
 954                 if((entry->wrtdate != wrtdate) ||
 955                    (entry->wrttime != wrttime))
 956                 {
 957                     char *lines[] = { str(LANG_BOOT_CHANGED),
 958                                       str(LANG_REBOOT_NOW) };
 959                     struct text_message message={ lines, 2 };
 960                     button_clear_queue(); /* Empty the keyboard buffer */
 961                     if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_YES)
 962                     rolo_load(BOOTDIR "/" BOOTFILE);
 963                 }
 964             }
 965             wrtdate = entry->wrtdate;
 966             wrttime = entry->wrttime;
 967         }
 968     }
 969     closedir(dir);
 970 }
 971 #endif
 972 #endif
 973
 974 /* check range, set volume and save settings */
 975 void setvol(void)
 976 {
 977     const int min_vol = sound_min(SOUND_VOLUME);
 978     const int max_vol = sound_max(SOUND_VOLUME);
 979     if (global_settings.volume < min_vol)
 980         global_settings.volume = min_vol;
 981     if (global_settings.volume > max_vol)
 982         global_settings.volume = max_vol;
 983     sound_set_volume(global_settings.volume);
 984     settings_save();
 985 }
 986