apps/plugins/stopwatch.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2004 Mike Holden
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include "plugin.h"
  23
  24 PLUGIN_HEADER
  25
  26 #ifdef HAVE_LCD_BITMAP
  27 #define TIMER_Y 1
  28 #else
  29 #define TIMER_Y 0
  30 #endif
  31
  32 #define LAP_Y TIMER_Y+1
  33 #define MAX_LAPS 64
  34
  35 #define STOPWATCH_FILE ROCKBOX_DIR "/apps/stopwatch.dat"
  36
  37 /* variable button definitions */
  38 #if CONFIG_KEYPAD == RECORDER_PAD
  39 #define STOPWATCH_QUIT BUTTON_OFF
  40 #define STOPWATCH_START_STOP BUTTON_PLAY
  41 #define STOPWATCH_RESET_TIMER BUTTON_LEFT
  42 #define STOPWATCH_LAP_TIMER BUTTON_ON
  43 #define STOPWATCH_SCROLL_UP BUTTON_UP
  44 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
  45 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  46 #define STOPWATCH_QUIT BUTTON_OFF
  47 #define STOPWATCH_START_STOP BUTTON_SELECT
  48 #define STOPWATCH_RESET_TIMER BUTTON_LEFT
  49 #define STOPWATCH_LAP_TIMER BUTTON_ON
  50 #define STOPWATCH_SCROLL_UP BUTTON_UP
  51 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
  52 #elif CONFIG_KEYPAD == ONDIO_PAD
  53 #define STOPWATCH_QUIT BUTTON_OFF
  54 #define STOPWATCH_START_STOP BUTTON_RIGHT
  55 #define STOPWATCH_RESET_TIMER BUTTON_LEFT
  56 #define STOPWATCH_LAP_TIMER BUTTON_MENU
  57 #define STOPWATCH_SCROLL_UP BUTTON_UP
  58 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
  59 #elif CONFIG_KEYPAD == PLAYER_PAD
  60 #define STOPWATCH_QUIT BUTTON_MENU
  61 #define STOPWATCH_START_STOP BUTTON_PLAY
  62 #define STOPWATCH_RESET_TIMER BUTTON_STOP
  63 #define STOPWATCH_LAP_TIMER BUTTON_ON
  64 #define STOPWATCH_SCROLL_UP BUTTON_RIGHT
  65 #define STOPWATCH_SCROLL_DOWN BUTTON_LEFT
  66 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  67       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  68 #define STOPWATCH_QUIT BUTTON_OFF
  69 #define STOPWATCH_START_STOP BUTTON_SELECT
  70 #define STOPWATCH_RESET_TIMER BUTTON_DOWN
  71 #define STOPWATCH_LAP_TIMER BUTTON_ON
  72 #define STOPWATCH_SCROLL_UP BUTTON_RIGHT
  73 #define STOPWATCH_SCROLL_DOWN BUTTON_LEFT
  74
  75 #define STOPWATCH_RC_QUIT BUTTON_RC_STOP
  76
  77 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  78       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  79       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  80 #define STOPWATCH_QUIT BUTTON_MENU
  81 #define STOPWATCH_START_STOP BUTTON_SELECT
  82 #define STOPWATCH_RESET_TIMER BUTTON_LEFT
  83 #define STOPWATCH_LAP_TIMER BUTTON_RIGHT
  84 #define STOPWATCH_SCROLL_UP BUTTON_SCROLL_FWD
  85 #define STOPWATCH_SCROLL_DOWN BUTTON_SCROLL_BACK
  86 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
  87 #define STOPWATCH_QUIT BUTTON_PLAY
  88 #define STOPWATCH_START_STOP BUTTON_MODE
  89 #define STOPWATCH_RESET_TIMER BUTTON_EQ
  90 #define STOPWATCH_LAP_TIMER BUTTON_SELECT
  91 #define STOPWATCH_SCROLL_UP BUTTON_UP
  92 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
  93 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
  94 #define STOPWATCH_QUIT BUTTON_POWER
  95 #define STOPWATCH_START_STOP BUTTON_PLAY
  96 #define STOPWATCH_RESET_TIMER BUTTON_REC
  97 #define STOPWATCH_LAP_TIMER BUTTON_SELECT
  98 #define STOPWATCH_SCROLL_UP BUTTON_UP
  99 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
 100 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 101 #define STOPWATCH_QUIT BUTTON_POWER
 102 #define STOPWATCH_START_STOP BUTTON_SELECT
 103 #define STOPWATCH_RESET_TIMER BUTTON_A
 104 #define STOPWATCH_LAP_TIMER BUTTON_MENU
 105 #define STOPWATCH_SCROLL_UP BUTTON_UP
 106 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
 107 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
 108 (CONFIG_KEYPAD == SANSA_C200_PAD)
 109 #define STOPWATCH_QUIT BUTTON_POWER
 110 #define STOPWATCH_START_STOP BUTTON_RIGHT
 111 #define STOPWATCH_RESET_TIMER BUTTON_LEFT
 112 #define STOPWATCH_LAP_TIMER BUTTON_SELECT
 113 #define STOPWATCH_SCROLL_UP BUTTON_UP
 114 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
 115 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 116 #define STOPWATCH_QUIT BUTTON_POWER
 117 #define STOPWATCH_START_STOP BUTTON_PLAY
 118 #define STOPWATCH_RESET_TIMER BUTTON_REW
 119 #define STOPWATCH_LAP_TIMER BUTTON_FF
 120 #define STOPWATCH_SCROLL_UP BUTTON_SCROLL_UP
 121 #define STOPWATCH_SCROLL_DOWN BUTTON_SCROLL_DOWN
 122 #elif CONFIG_KEYPAD == MROBE500_PAD
 123 #define STOPWATCH_QUIT BUTTON_POWER
 124 #define STOPWATCH_START_STOP BUTTON_RC_HEART
 125 #define STOPWATCH_RESET_TIMER BUTTON_RC_MODE
 126 #define STOPWATCH_LAP_TIMER BUTTON_RC_PLAY
 127 #define STOPWATCH_SCROLL_UP BUTTON_RIGHT
 128 #define STOPWATCH_SCROLL_DOWN BUTTON_LEFT
 129 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 130 #define STOPWATCH_QUIT BUTTON_BACK
 131 #define STOPWATCH_START_STOP BUTTON_PLAY
 132 #define STOPWATCH_RESET_TIMER BUTTON_MENU
 133 #define STOPWATCH_LAP_TIMER BUTTON_SELECT
 134 #define STOPWATCH_SCROLL_UP BUTTON_UP
 135 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
 136 #elif CONFIG_KEYPAD == MROBE100_PAD
 137 #define STOPWATCH_QUIT BUTTON_POWER
 138 #define STOPWATCH_START_STOP BUTTON_SELECT
 139 #define STOPWATCH_RESET_TIMER BUTTON_DISPLAY
 140 #define STOPWATCH_LAP_TIMER BUTTON_MENU
 141 #define STOPWATCH_SCROLL_UP BUTTON_UP
 142 #define STOPWATCH_SCROLL_DOWN BUTTON_DOWN
 143 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 144 #define STOPWATCH_QUIT BUTTON_RC_REC
 145 #define STOPWATCH_START_STOP BUTTON_RC_PLAY
 146 #define STOPWATCH_RESET_TIMER BUTTON_RC_REW
 147 #define STOPWATCH_LAP_TIMER BUTTON_RC_FF
 148 #define STOPWATCH_SCROLL_UP BUTTON_RC_VOL_UP
 149 #define STOPWATCH_SCROLL_DOWN BUTTON_RC_VOL_DOWN
 150 #define STOPWATCH_RC_QUIT BUTTON_REC
 151 #elif CONFIG_KEYPAD == COWOND2_PAD
 152 #define STOPWATCH_QUIT BUTTON_POWER
 153 #else
 154 #error No keymap defined!
 155 #endif
 156
 157 #ifdef HAVE_TOUCHPAD
 158 #ifndef STOPWATCH_QUIT
 159 #define STOPWATCH_QUIT        BUTTON_TOPLEFT
 160 #endif
 161 #ifndef STOPWATCH_START_STOP
 162 #define STOPWATCH_START_STOP  BUTTON_CENTER
 163 #endif
 164 #ifndef STOPWATCH_RESET_TIMER
 165 #define STOPWATCH_RESET_TIMER BUTTON_MIDRIGHT
 166 #endif
 167 #ifndef STOPWATCH_LAP_TIMER
 168 #define STOPWATCH_LAP_TIMER   BUTTON_MIDLEFT
 169 #endif
 170 #ifndef STOPWATCH_SCROLL_UP
 171 #define STOPWATCH_SCROLL_UP   BUTTON_TOPMIDDLE
 172 #endif
 173 #ifndef STOPWATCH_SCROLL_DOWN
 174 #define STOPWATCH_SCROLL_DOWN BUTTON_BOTTOMMIDDLE
 175 #endif
 176 #endif
 177
 178 static const struct plugin_api* rb;
 179
 180 static int stopwatch = 0;
 181 static long start_at = 0;
 182 static int prev_total = 0;
 183 static bool counting = false;
 184 static int curr_lap = 0;
 185 static int lap_scroll = 0;
 186 static int lap_start;
 187 static int lap_times[MAX_LAPS];
 188
 189 static void ticks_to_string(int ticks,int lap,int buflen, char * buf)
 190 {
 191     int hours, minutes, seconds, cs;
 192
 193     hours = ticks / (HZ * 3600);
 194     ticks -= (HZ * hours * 3600);
 195     minutes = ticks / (HZ * 60);
 196     ticks -= (HZ * minutes * 60);
 197     seconds = ticks / HZ;
 198     ticks -= (HZ * seconds);
 199     cs = ticks;
 200     if (!lap)
 201     {
 202         rb->snprintf(buf, buflen,
 203                      "%2d:%02d:%02d.%02d",
 204                      hours, minutes, seconds, cs);
 205     }
 206     else
 207     {
 208
 209         if (lap > 1)
 210         {
 211             int last_ticks, last_hours, last_minutes, last_seconds, last_cs;
 212             last_ticks = lap_times[(lap-1)%MAX_LAPS] - lap_times[(lap-2)%MAX_LAPS];
 213             last_hours = last_ticks / (HZ * 3600);
 214             last_ticks -= (HZ * last_hours * 3600);
 215             last_minutes = last_ticks / (HZ * 60);
 216             last_ticks -= (HZ * last_minutes * 60);
 217             last_seconds = last_ticks / HZ;
 218             last_ticks -= (HZ * last_seconds);
 219             last_cs = last_ticks;
 220
 221             rb->snprintf(buf, buflen,
 222                          "%2d %2d:%02d:%02d.%02d [%2d:%02d:%02d.%02d]",
 223                          lap, hours, minutes, seconds, cs, last_hours,
 224                          last_minutes, last_seconds, last_cs);
 225         }
 226         else
 227         {
 228             rb->snprintf(buf, buflen,
 229                          "%2d %2d:%02d:%02d.%02d",
 230                          lap, hours, minutes, seconds, cs);
 231         }
 232     }
 233 }
 234
 235 /*
 236  * Load saved stopwatch state, if exists.
 237  */
 238 void load_stopwatch(void)
 239 {
 240     int fd;
 241
 242     fd = rb->open(STOPWATCH_FILE, O_RDONLY);
 243
 244     if (fd < 0)
 245     {
 246         return;
 247     }
 248
 249     /* variable stopwatch isn't saved/loaded, because it is only used
 250      * temporarily in main loop
 251      */
 252
 253     rb->read(fd, &start_at, sizeof(start_at));
 254     rb->read(fd, &prev_total, sizeof(prev_total));
 255     rb->read(fd, &counting, sizeof(counting));
 256     rb->read(fd, &curr_lap, sizeof(curr_lap));
 257     rb->read(fd, &lap_scroll, sizeof(lap_scroll));
 258     rb->read(fd, &lap_start, sizeof(lap_start));
 259     rb->read(fd, lap_times, sizeof(lap_times));
 260
 261     if (counting && start_at > *rb->current_tick)
 262     {
 263         /* Stopwatch started in the future? Unlikely; probably started on a
 264          * previous session and powered off in-between.  We'll keep
 265          * everything intact (user can clear manually) but stop the
 266          * stopwatch to avoid negative timing.
 267          */
 268         start_at = 0;
 269         counting = false;
 270     }
 271
 272     rb->close(fd);
 273 }
 274
 275 /*
 276  * Save stopwatch state.
 277  */
 278 void save_stopwatch(void)
 279 {
 280     int fd;
 281
 282     fd = rb->open(STOPWATCH_FILE, O_CREAT|O_WRONLY|O_TRUNC);
 283
 284     if (fd < 0)
 285     {
 286         return;
 287     }
 288
 289     /* variable stopwatch isn't saved/loaded, because it is only used
 290      * temporarily in main loop
 291      */
 292
 293     rb->write(fd, &start_at, sizeof(start_at));
 294     rb->write(fd, &prev_total, sizeof(prev_total));
 295     rb->write(fd, &counting, sizeof(counting));
 296     rb->write(fd, &curr_lap, sizeof(curr_lap));
 297     rb->write(fd, &lap_scroll, sizeof(lap_scroll));
 298     rb->write(fd, &lap_start, sizeof(lap_start));
 299     rb->write(fd, lap_times, sizeof(lap_times));
 300
 301     rb->close(fd);
 302 }
 303
 304 enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
 305 {
 306     char buf[32];
 307     int button;
 308     int lap;
 309     int done = false;
 310     bool update_lap = true;
 311     int lines;
 312
 313     (void)parameter;
 314     rb = api;
 315
 316 #ifdef HAVE_LCD_BITMAP
 317     int h;
 318     rb->lcd_setfont(FONT_UI);
 319     rb->lcd_getstringsize("M", NULL, &h);
 320     lines = (LCD_HEIGHT / h) - (LAP_Y);
 321 #else
 322     lines = 1;
 323 #endif
 324
 325     load_stopwatch();
 326
 327     rb->lcd_clear_display();
 328
 329     while (!done)
 330     {
 331         if (counting)
 332         {
 333             stopwatch = prev_total + *rb->current_tick - start_at;
 334         }
 335         else
 336         {
 337             stopwatch = prev_total;
 338         }
 339
 340         ticks_to_string(stopwatch,0,32,buf);
 341         rb->lcd_puts(0, TIMER_Y, buf);
 342
 343         if(update_lap)
 344         {
 345             lap_start = curr_lap - lap_scroll;
 346             for (lap = lap_start; lap > lap_start - lines; lap--)
 347             {
 348                 if (lap > 0)
 349                 {
 350                     ticks_to_string(lap_times[(lap-1)%MAX_LAPS],lap,32,buf);
 351                     rb->lcd_puts_scroll(0, LAP_Y + lap_start - lap, buf);
 352                 }
 353                 else
 354                 {
 355                     rb->lcd_puts(0, LAP_Y + lap_start - lap,
 356                                  "                  ");
 357                 }
 358             }
 359             update_lap = false;
 360         }
 361
 362         rb->lcd_update();
 363
 364         if (! counting)
 365         {
 366             button = rb->button_get(true);
 367         }
 368         else
 369         {
 370             button = rb->button_get_w_tmo(10);
 371
 372             /* Make sure that the jukebox isn't powered off
 373                automatically */
 374             rb->reset_poweroff_timer();
 375         }
 376         switch (button)
 377         {
 378
 379             /* exit */
 380 #ifdef STOPWATCH_RC_QUIT
 381             case STOPWATCH_RC_QUIT:
 382 #endif
 383             case STOPWATCH_QUIT:
 384                   save_stopwatch();
 385                   done = true;
 386                   break;
 387
 388             /* Stop/Start toggle */
 389             case STOPWATCH_START_STOP:
 390                  counting = ! counting;
 391                  if (counting)
 392                  {
 393                      start_at = *rb->current_tick;
 394                      stopwatch = prev_total + *rb->current_tick - start_at;
 395                  }
 396                  else
 397                  {
 398                      prev_total += *rb->current_tick - start_at;
 399                      stopwatch = prev_total;
 400                  }
 401                  break;
 402
 403             /* Reset timer */
 404             case STOPWATCH_RESET_TIMER:
 405                  if (!counting)
 406                  {
 407                      prev_total = 0;
 408                      curr_lap = 0;
 409                      update_lap = true;
 410                  }
 411                  break;
 412
 413             /* Lap timer */
 414             case STOPWATCH_LAP_TIMER:
 415                  lap_times[curr_lap%MAX_LAPS] = stopwatch;
 416                  curr_lap++;
 417                  update_lap = true;
 418                  break;
 419
 420             /* Scroll Lap timer up */
 421             case STOPWATCH_SCROLL_UP:
 422                  if (lap_scroll > 0)
 423                  {
 424                      lap_scroll --;
 425                      update_lap = true;
 426                  }
 427                  break;
 428
 429             /* Scroll Lap timer down */
 430             case STOPWATCH_SCROLL_DOWN:
 431                  if ((lap_scroll < curr_lap - lines) &&
 432                      (lap_scroll < (MAX_LAPS - lines)) )
 433                  {
 434                      lap_scroll ++;
 435                      update_lap = true;
 436                  }
 437                  break;
 438
 439             default:
 440                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 441                     return PLUGIN_USB_CONNECTED;
 442                 break;
 443         }
 444     }
 445     return PLUGIN_OK;
 446 }