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 "kernel.h"
  40 #include "power.h"
  41 #include "powermgmt.h"
  42 #include "backlight.h"
  43 #include "atoi.h"
  44 #include "version.h"
  45 #include "font.h"
  46 #include "splash.h"
  47 #ifdef HAVE_MMC
  48 #include "ata_mmc.h"
  49 #endif
  50 #include "tree.h"
  51
  52 #ifdef HAVE_LCD_BITMAP
  53 #include "bmp.h"
  54 #include "icons.h"
  55 #endif /* End HAVE_LCD_BITMAP */
  56
  57 /* Format a large-range value for output, using the appropriate unit so that
  58  * the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
  59  * units) if possible, and 3 significant digits are shown. If a buffer is
  60  * given, the result is snprintf()'d into that buffer, otherwise the result is
  61  * voiced.*/
  62 char *output_dyn_value(char *buf, int buf_size, int value,
  63                        const unsigned char **units, bool bin_scale)
  64 {
  65     int scale = bin_scale ? 1024 : 1000;
  66     int fraction = 0;
  67     int unit_no = 0;
  68     int i;
  69     char tbuf[5];
  70
  71     while (value >= scale)
  72     {
  73         fraction = value % scale;
  74         value /= scale;
  75         unit_no++;
  76     }
  77     if (bin_scale)
  78         fraction = fraction * 1000 / 1024;
  79
  80     if (value >= 100 || !unit_no)
  81         tbuf[0] = '\0';
  82     else if (value >= 10)
  83         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
  84     else
  85         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
  86
  87     if (buf)
  88     {
  89         if (strlen(tbuf))
  90             snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
  91                      tbuf, P2STR(units[unit_no]));
  92         else
  93             snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
  94     }
  95     else
  96     {
  97         /* strip trailing zeros from the fraction */
  98         for (i = strlen(tbuf) - 1; (i >= 0) && (tbuf[i] == '0'); i--)
  99             tbuf[i] = '\0';
 100
 101         talk_number(value, true);
 102         if (tbuf[0] != 0)
 103         {
 104             talk_id(LANG_POINT, true);
 105             talk_spell(tbuf, true);
 106         }
 107         talk_id(P2ID(units[unit_no]), true);
 108     }
 109     return buf;
 110 }
 111
 112 /* Create a filename with a number part in a way that the number is 1
 113    higher than the highest numbered file matching the same pattern.
 114    It is allowed that buffer and path point to the same memory location,
 115    saving a strcpy(). Path must always be given without trailing slash,. */
 116 char *create_numbered_filename(char *buffer, const char *path,
 117                                const char *prefix, const char *suffix,
 118                                int numberlen)
 119 {
 120     DIR *dir;
 121     struct dirent *entry;
 122     int max_num = 0;
 123     int pathlen;
 124     int prefixlen = strlen(prefix);
 125     char fmtstring[12];
 126
 127     if (buffer != path)
 128         strncpy(buffer, path, MAX_PATH);
 129
 130     pathlen = strlen(buffer);
 131
 132     dir = opendir(pathlen ? buffer : "/");
 133     if (!dir)
 134         return NULL;
 135
 136     while ((entry = readdir(dir)))
 137     {
 138         int curr_num;
 139
 140         if (strncasecmp((char *)entry->d_name, prefix, prefixlen)
 141             || strcasecmp((char *)entry->d_name + prefixlen + numberlen, suffix))
 142             continue;
 143
 144         curr_num = atoi((char *)entry->d_name + prefixlen);
 145         if (curr_num > max_num)
 146             max_num = curr_num;
 147     }
 148     closedir(dir);
 149
 150     snprintf(fmtstring, sizeof(fmtstring), "/%%s%%0%dd%%s", numberlen);
 151     snprintf(buffer + pathlen, MAX_PATH - pathlen, fmtstring, prefix,
 152              max_num + 1, suffix);
 153
 154     return buffer;
 155 }
 156
 157 #ifdef CONFIG_RTC
 158 /* Create a filename with a date+time part.
 159    It is allowed that buffer and path point to the same memory location,
 160    saving a strcpy(). Path must always be given without trailing slash. */
 161 char *create_datetime_filename(char *buffer, const char *path,
 162                                const char *prefix, const char *suffix)
 163 {
 164     struct tm *tm = get_time();
 165     int pathlen;
 166
 167     if (buffer != path)
 168         strncpy(buffer, path, MAX_PATH);
 169
 170     pathlen = strlen(buffer);
 171     snprintf(buffer + pathlen, MAX_PATH - pathlen,
 172              "/%s%02d%02d%02d-%02d%02d%02d%s", prefix,
 173              tm->tm_year % 100, tm->tm_mon + 1, tm->tm_mday,
 174              tm->tm_hour, tm->tm_min, tm->tm_sec, suffix);
 175
 176     return buffer;
 177 }
 178 #endif /* CONFIG_RTC */
 179
 180 /* Read (up to) a line of text from fd into buffer and return number of bytes
 181  * read (which may be larger than the number of bytes stored in buffer). If
 182  * an error occurs, -1 is returned (and buffer contains whatever could be
 183  * read). A line is terminated by a LF char. Neither LF nor CR chars are
 184  * stored in buffer.
 185  */
 186 int read_line(int fd, char* buffer, int buffer_size)
 187 {
 188     int count = 0;
 189     int num_read = 0;
 190
 191     errno = 0;
 192
 193     while (count < buffer_size)
 194     {
 195         unsigned char c;
 196
 197         if (1 != read(fd, &c, 1))
 198             break;
 199
 200         num_read++;
 201
 202         if ( c == '\n' )
 203             break;
 204
 205         if ( c == '\r' )
 206             continue;
 207
 208         buffer[count++] = c;
 209     }
 210
 211     buffer[MIN(count, buffer_size - 1)] = 0;
 212
 213     return errno ? -1 : num_read;
 214 }
 215
 216 #ifdef HAVE_LCD_BITMAP
 217
 218 #if LCD_DEPTH == 16
 219 #define BMP_COMPRESSION 3 /* BI_BITFIELDS */
 220 #define BMP_NUMCOLORS 3
 221 #else
 222 #define BMP_COMPRESSION 0 /* BI_RGB */
 223 #if LCD_DEPTH <= 8
 224 #define BMP_NUMCOLORS (1 << LCD_DEPTH)
 225 #else
 226 #define BMP_NUMCOLORS 0
 227 #endif
 228 #endif
 229
 230 #if LCD_DEPTH == 1
 231 #define BMP_BPP 1
 232 #define BMP_LINESIZE ((LCD_WIDTH/8 + 3) & ~3)
 233 #elif LCD_DEPTH <= 4
 234 #define BMP_BPP 4
 235 #define BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
 236 #elif LCD_DEPTH <= 8
 237 #define BMP_BPP 8
 238 #define BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
 239 #elif LCD_DEPTH <= 16
 240 #define BMP_BPP 16
 241 #define BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
 242 #else
 243 #define BMP_BPP 24
 244 #define BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
 245 #endif
 246
 247 #define BMP_HEADERSIZE (54 + 4 * BMP_NUMCOLORS)
 248 #define BMP_DATASIZE   (BMP_LINESIZE * LCD_HEIGHT)
 249 #define BMP_TOTALSIZE  (BMP_HEADERSIZE + BMP_DATASIZE)
 250
 251 #define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
 252 #define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
 253
 254 static const unsigned char bmpheader[] =
 255 {
 256     0x42, 0x4d,                 /* 'BM' */
 257     LE32_CONST(BMP_TOTALSIZE),  /* Total file size */
 258     0x00, 0x00, 0x00, 0x00,     /* Reserved */
 259     LE32_CONST(BMP_HEADERSIZE), /* Offset to start of pixel data */
 260
 261     0x28, 0x00, 0x00, 0x00,     /* Size of (2nd) header */
 262     LE32_CONST(LCD_WIDTH),      /* Width in pixels */
 263     LE32_CONST(LCD_HEIGHT),     /* Height in pixels */
 264     0x01, 0x00,                 /* Number of planes (always 1) */
 265     LE16_CONST(BMP_BPP),        /* Bits per pixel 1/4/8/16/24 */
 266     LE32_CONST(BMP_COMPRESSION),/* Compression mode */
 267     LE32_CONST(BMP_DATASIZE),   /* Size of bitmap data */
 268     0xc4, 0x0e, 0x00, 0x00,     /* Horizontal resolution (pixels/meter) */
 269     0xc4, 0x0e, 0x00, 0x00,     /* Vertical resolution (pixels/meter) */
 270     LE32_CONST(BMP_NUMCOLORS),  /* Number of used colours */
 271     LE32_CONST(BMP_NUMCOLORS),  /* Number of important colours */
 272
 273 #if LCD_DEPTH == 1
 274     0x90, 0xee, 0x90, 0x00,     /* Colour #0 */
 275     0x00, 0x00, 0x00, 0x00      /* Colour #1 */
 276 #elif LCD_DEPTH == 2
 277     0xe6, 0xd8, 0xad, 0x00,     /* Colour #0 */
 278     0x99, 0x90, 0x73, 0x00,     /* Colour #1 */
 279     0x4c, 0x48, 0x39, 0x00,     /* Colour #2 */
 280     0x00, 0x00, 0x00, 0x00      /* Colour #3 */
 281 #elif LCD_DEPTH == 16
 282     0x00, 0xf8, 0x00, 0x00,     /* red bitfield mask */
 283     0xe0, 0x07, 0x00, 0x00,     /* green bitfield mask */
 284     0x1f, 0x00, 0x00, 0x00      /* blue bitfield mask */
 285 #endif
 286 };
 287
 288 static void (*screen_dump_hook)(int fh) = NULL;
 289
 290 void screen_dump(void)
 291 {
 292     int fh;
 293     char filename[MAX_PATH];
 294     int bx, by;
 295 #if LCD_DEPTH == 1
 296     static unsigned char line_block[8][BMP_LINESIZE];
 297 #elif LCD_DEPTH == 2
 298     static unsigned char line_block[4][BMP_LINESIZE];
 299 #elif LCD_DEPTH == 16
 300     static unsigned short line_block[BMP_LINESIZE/2];
 301 #endif
 302
 303 #ifdef CONFIG_RTC
 304     create_datetime_filename(filename, "", "dump ", ".bmp");
 305 #else
 306     create_numbered_filename(filename, "", "dump_", ".bmp", 4);
 307 #endif
 308
 309     fh = creat(filename, O_WRONLY);
 310     if (fh < 0)
 311         return;
 312
 313     if (screen_dump_hook)
 314     {
 315         screen_dump_hook(fh);
 316     }
 317     else
 318     {
 319         write(fh, bmpheader, sizeof(bmpheader));
 320
 321         /* BMP image goes bottom up */
 322 #if LCD_DEPTH == 1
 323         for (by = LCD_HEIGHT/8 - 1; by >= 0; by--)
 324         {
 325             unsigned char *src = &lcd_framebuffer[by][0];
 326             unsigned char *dst = &line_block[0][0];
 327
 328             memset(line_block, 0, sizeof(line_block));
 329             for (bx = LCD_WIDTH/8; bx > 0; bx--)
 330             {
 331                 unsigned dst_mask = 0x80;
 332                 int ix;
 333
 334                 for (ix = 8; ix > 0; ix--)
 335                 {
 336                     unsigned char *dst_blk = dst;
 337                     unsigned src_byte = *src++;
 338                     int iy;
 339
 340                     for (iy = 8; iy > 0; iy--)
 341                     {
 342                         if (src_byte & 0x80)
 343                             *dst_blk |= dst_mask;
 344                         src_byte <<= 1;
 345                         dst_blk += BMP_LINESIZE;
 346                     }
 347                     dst_mask >>= 1;
 348                 }
 349                 dst++;
 350             }
 351
 352             write(fh, line_block, sizeof(line_block));
 353         }
 354 #elif LCD_DEPTH == 2
 355         for (by = LCD_HEIGHT/4 - 1; by >= 0; by--)
 356         {
 357             unsigned char *src = &lcd_framebuffer[by][0];
 358             unsigned char *dst = &line_block[3][0];
 359
 360             memset(line_block, 0, sizeof(line_block));
 361             for (bx = LCD_WIDTH/2; bx > 0; bx--)
 362             {
 363                 unsigned char *dst_blk = dst++;
 364                 unsigned src_byte0 = *src++;
 365                 unsigned src_byte1 = *src++;
 366                 int iy;
 367
 368                 for (iy = 4; iy > 0; iy--)
 369                 {
 370                     *dst_blk = ((src_byte0 & 3) << 4) | (src_byte1 & 3);
 371                     src_byte0 >>= 2;
 372                     src_byte1 >>= 2;
 373                     dst_blk -= BMP_LINESIZE;
 374                 }
 375             }
 376
 377             write(fh, line_block, sizeof(line_block));
 378         }
 379 #elif LCD_DEPTH == 16
 380         for (by = LCD_HEIGHT - 1; by >= 0; by--)
 381         {
 382             unsigned short *src = &lcd_framebuffer[by][0];
 383             unsigned short *dst = line_block;
 384
 385             memset(line_block, 0, sizeof(line_block));
 386             for (bx = LCD_WIDTH; bx > 0; bx--)
 387             {
 388 #if (LCD_PIXELFORMAT == RGB565SWAPPED)
 389                 /* iPod LCD data is big endian although the CPU is not */
 390                 *dst++ = htobe16(*src++);
 391 #else
 392                 *dst++ = htole16(*src++);
 393 #endif
 394             }
 395
 396             write(fh, line_block, sizeof(line_block));
 397         }
 398 #endif /* LCD_DEPTH */
 399     }
 400
 401     close(fh);
 402 }
 403
 404 void screen_dump_set_hook(void (*hook)(int fh))
 405 {
 406     screen_dump_hook = hook;
 407 }
 408
 409 #endif /* HAVE_LCD_BITMAP */
 410
 411 /* parse a line from a configuration file. the line format is:
 412
 413    name: value
 414
 415    Any whitespace before setting name or value (after ':') is ignored.
 416    A # as first non-whitespace character discards the whole line.
 417    Function sets pointers to null-terminated setting name and value.
 418    Returns false if no valid config entry was found.
 419 */
 420
 421 bool settings_parseline(char* line, char** name, char** value)
 422 {
 423     char* ptr;
 424
 425     while ( isspace(*line) )
 426         line++;
 427
 428     if ( *line == '#' )
 429         return false;
 430
 431     ptr = strchr(line, ':');
 432     if ( !ptr )
 433         return false;
 434
 435     *name = line;
 436     *ptr = 0;
 437     ptr++;
 438     while (isspace(*ptr))
 439         ptr++;
 440     *value = ptr;
 441     return true;
 442 }
 443
 444 static void system_flush(void)
 445 {
 446     tree_flush();
 447 }
 448
 449 static void system_restore(void)
 450 {
 451     tree_restore();
 452 }
 453
 454 static bool clean_shutdown(void (*callback)(void *), void *parameter)
 455 {
 456 #ifdef SIMULATOR
 457     (void)callback;
 458     (void)parameter;
 459     exit(0);
 460 #else
 461 #if defined(HAVE_CHARGING) && !defined(HAVE_POWEROFF_WHILE_CHARGING)
 462     if(!charger_inserted())
 463 #endif
 464     {
 465         lcd_clear_display();
 466         gui_syncsplash(0, true, str(LANG_SHUTTINGDOWN));
 467         if (callback != NULL)
 468             callback(parameter);
 469
 470         system_flush();
 471
 472         shutdown_hw();
 473     }
 474 #endif
 475     return false;
 476 }
 477
 478 #ifdef HAVE_CHARGING
 479 static bool waiting_to_resume_play = false;
 480 static long play_resume_tick;
 481
 482 static void car_adapter_mode_processing(bool inserted)
 483 {
 484     if (global_settings.car_adapter_mode)
 485     {
 486         if(inserted)
 487         {
 488             /*
 489              * Just got plugged in, delay & resume if we were playing
 490              */
 491             if (audio_status() & AUDIO_STATUS_PAUSE)
 492             {
 493                 /* delay resume a bit while the engine is cranking */
 494                 play_resume_tick = current_tick + HZ*5;
 495                 waiting_to_resume_play = true;
 496             }
 497         }
 498         else
 499         {
 500             /*
 501              * Just got unplugged, pause if playing
 502              */
 503             if ((audio_status() & AUDIO_STATUS_PLAY) &&
 504                 !(audio_status() & AUDIO_STATUS_PAUSE))
 505             {
 506                 audio_pause();
 507             }
 508         }
 509     }
 510 }
 511
 512 static void car_adapter_tick(void)
 513 {
 514     if (waiting_to_resume_play)
 515     {
 516         if (TIME_AFTER(current_tick, play_resume_tick))
 517         {
 518             if (audio_status() & AUDIO_STATUS_PAUSE)
 519             {
 520                 audio_resume();
 521             }
 522             waiting_to_resume_play = false;
 523         }
 524     }
 525 }
 526
 527 void car_adapter_mode_init(void)
 528 {
 529     tick_add_task(car_adapter_tick);
 530 }
 531 #endif
 532
 533 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 534 {
 535     switch(event)
 536     {
 537         case SYS_USB_CONNECTED:
 538             if (callback != NULL)
 539                 callback(parameter);
 540 #ifdef HAVE_MMC
 541             if (!mmc_touched() || (mmc_remove_request() == SYS_MMC_EXTRACTED))
 542 #endif
 543             {
 544                 system_flush();
 545                 usb_screen();
 546                 system_restore();
 547             }
 548             return SYS_USB_CONNECTED;
 549         case SYS_POWEROFF:
 550             if (!clean_shutdown(callback, parameter))
 551                 return SYS_POWEROFF;
 552             break;
 553 #ifdef HAVE_CHARGING
 554         case SYS_CHARGER_CONNECTED:
 555             car_adapter_mode_processing(true);
 556             return SYS_CHARGER_CONNECTED;
 557
 558         case SYS_CHARGER_DISCONNECTED:
 559             car_adapter_mode_processing(false);
 560             return SYS_CHARGER_DISCONNECTED;
 561 #endif
 562     }
 563     return 0;
 564 }
 565
 566 long default_event_handler(long event)
 567 {
 568     return default_event_handler_ex(event, NULL, NULL);
 569 }
 570
 571 int show_logo( void )
 572 {
 573 #ifdef HAVE_LCD_BITMAP
 574     char version[32];
 575     int font_h, font_w;
 576
 577     lcd_clear_display();
 578     lcd_bitmap(rockboxlogo, 0, 10, ROCKBOXLOGO_WIDTH, ROCKBOXLOGO_HEIGHT);
 579
 580 #ifdef HAVE_REMOTE_LCD
 581     lcd_remote_clear_display();
 582     lcd_remote_bitmap(remote_rockboxlogo,10,14,REMOTE_ROCKBOXLOGO_WIDTH,
 583                       REMOTE_ROCKBOXLOGO_HEIGHT);
 584 #endif
 585
 586     snprintf(version, sizeof(version), "Ver. %s", appsversion);
 587     lcd_setfont(FONT_SYSFIXED);
 588     lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
 589     lcd_putsxy((LCD_WIDTH/2) - ((strlen(version)*font_w)/2),
 590                LCD_HEIGHT-font_h, (unsigned char *)version);
 591     lcd_update();
 592
 593 #ifdef HAVE_REMOTE_LCD
 594     lcd_remote_setfont(FONT_SYSFIXED);
 595     lcd_remote_getstringsize((unsigned char *)"A", &font_w, &font_h);
 596     lcd_remote_putsxy((LCD_REMOTE_WIDTH/2) - ((strlen(version)*font_w)/2),
 597                LCD_REMOTE_HEIGHT-font_h, (unsigned char *)version);
 598     lcd_remote_update();
 599 #endif
 600
 601 #else
 602     char *rockbox = "  ROCKbox!";
 603     lcd_clear_display();
 604     lcd_double_height(true);
 605     lcd_puts(0, 0, rockbox);
 606     lcd_puts(0, 1, appsversion);
 607 #endif
 608
 609     return 0;
 610 }