apps/plugins/chessclock.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Kjell Ericson
  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 #include "plugin.h"
  22 #include "lib/playback_control.h"
  23
  24 PLUGIN_HEADER
  25
  26 /* variable button definitions */
  27 #if CONFIG_KEYPAD == RECORDER_PAD
  28 #define CHC_QUIT BUTTON_OFF
  29 #define CHC_STARTSTOP BUTTON_PLAY
  30 #define CHC_RESET BUTTON_LEFT
  31 #define CHC_MENU BUTTON_F1
  32 #define CHC_SETTINGS_INC BUTTON_UP
  33 #define CHC_SETTINGS_DEC BUTTON_DOWN
  34 #define CHC_SETTINGS_OK BUTTON_PLAY
  35 #define CHC_SETTINGS_OK2 BUTTON_LEFT
  36 #define CHC_SETTINGS_CANCEL BUTTON_OFF
  37
  38 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  39 #define CHC_QUIT BUTTON_OFF
  40 #define CHC_STARTSTOP BUTTON_SELECT
  41 #define CHC_RESET BUTTON_LEFT
  42 #define CHC_MENU BUTTON_F1
  43 #define CHC_SETTINGS_INC BUTTON_UP
  44 #define CHC_SETTINGS_DEC BUTTON_DOWN
  45 #define CHC_SETTINGS_OK BUTTON_SELECT
  46 #define CHC_SETTINGS_OK2 BUTTON_LEFT
  47 #define CHC_SETTINGS_CANCEL BUTTON_OFF
  48
  49 #elif CONFIG_KEYPAD == ONDIO_PAD
  50 #define CHC_QUIT BUTTON_OFF
  51 #define CHC_STARTSTOP BUTTON_RIGHT
  52 #define CHC_RESET BUTTON_LEFT
  53 #define CHC_MENU BUTTON_MENU
  54 #define CHC_SETTINGS_INC BUTTON_UP
  55 #define CHC_SETTINGS_DEC BUTTON_DOWN
  56 #define CHC_SETTINGS_OK BUTTON_RIGHT
  57 #define CHC_SETTINGS_OK2 BUTTON_LEFT
  58 #define CHC_SETTINGS_CANCEL BUTTON_MENU
  59
  60 #elif CONFIG_KEYPAD == PLAYER_PAD
  61 #define CHC_QUIT BUTTON_ON
  62 #define CHC_STARTSTOP BUTTON_PLAY
  63 #define CHC_RESET BUTTON_STOP
  64 #define CHC_MENU BUTTON_MENU
  65 #define CHC_SETTINGS_INC BUTTON_RIGHT
  66 #define CHC_SETTINGS_DEC BUTTON_LEFT
  67 #define CHC_SETTINGS_OK BUTTON_PLAY
  68 #define CHC_SETTINGS_CANCEL BUTTON_STOP
  69 #define CHC_SETTINGS_CANCEL2 BUTTON_MENU
  70
  71 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  72       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  73 #define CHC_QUIT BUTTON_SELECT
  74 #define CHC_STARTSTOP BUTTON_ON
  75 #define CHC_RESET BUTTON_OFF
  76 #define CHC_MENU BUTTON_REC
  77 #define CHC_SETTINGS_INC BUTTON_RIGHT
  78 #define CHC_SETTINGS_DEC BUTTON_LEFT
  79 #define CHC_SETTINGS_OK BUTTON_ON
  80 #define CHC_SETTINGS_CANCEL BUTTON_OFF
  81 #define CHC_SETTINGS_CANCEL2 BUTTON_REC
  82
  83 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  84       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  85       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  86 #define CHC_QUIT BUTTON_PLAY
  87 #define CHC_STARTSTOP BUTTON_SELECT
  88 #define CHC_RESET BUTTON_LEFT
  89 #define CHC_MENU BUTTON_MENU
  90 #define CHC_SETTINGS_INC BUTTON_SCROLL_FWD
  91 #define CHC_SETTINGS_DEC BUTTON_SCROLL_BACK
  92 #define CHC_SETTINGS_OK BUTTON_SELECT
  93 #define CHC_SETTINGS_CANCEL BUTTON_MENU
  94
  95 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
  96 #define CHC_QUIT BUTTON_PLAY
  97 #define CHC_STARTSTOP BUTTON_MODE
  98 #define CHC_RESET BUTTON_EQ
  99 #define CHC_MENU BUTTON_SELECT
 100 #define CHC_SETTINGS_INC BUTTON_RIGHT
 101 #define CHC_SETTINGS_DEC BUTTON_LEFT
 102 #define CHC_SETTINGS_OK BUTTON_SELECT
 103 #define CHC_SETTINGS_CANCEL BUTTON_PLAY
 104
 105 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
 106 #define CHC_QUIT BUTTON_REC
 107 #define CHC_STARTSTOP BUTTON_PLAY
 108 #define CHC_RESET BUTTON_POWER
 109 #define CHC_MENU BUTTON_SELECT
 110 #define CHC_SETTINGS_INC BUTTON_RIGHT
 111 #define CHC_SETTINGS_DEC BUTTON_LEFT
 112 #define CHC_SETTINGS_OK BUTTON_SELECT
 113 #define CHC_SETTINGS_CANCEL BUTTON_REC
 114
 115 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 116 #define CHC_QUIT BUTTON_POWER
 117 #define CHC_STARTSTOP BUTTON_SELECT
 118 #define CHC_RESET BUTTON_A
 119 #define CHC_MENU BUTTON_MENU
 120 #define CHC_SETTINGS_INC BUTTON_UP
 121 #define CHC_SETTINGS_DEC BUTTON_DOWN
 122 #define CHC_SETTINGS_OK BUTTON_SELECT
 123 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 124
 125 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
 126       (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 127       (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 128       (CONFIG_KEYPAD == SANSA_M200_PAD)
 129 #define CHC_QUIT BUTTON_POWER
 130 #define CHC_STARTSTOP BUTTON_SELECT
 131 #define CHC_RESET BUTTON_DOWN
 132 #define CHC_MENU BUTTON_UP
 133 #define CHC_SETTINGS_INC BUTTON_RIGHT
 134 #define CHC_SETTINGS_DEC BUTTON_LEFT
 135 #define CHC_SETTINGS_OK BUTTON_SELECT
 136 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 137
 138 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 139 #define CHC_QUIT BUTTON_POWER
 140 #define CHC_STARTSTOP BUTTON_SELECT
 141 #define CHC_RESET BUTTON_DOWN
 142 #define CHC_MENU BUTTON_UP
 143 #define CHC_SETTINGS_INC BUTTON_RIGHT
 144 #define CHC_SETTINGS_DEC BUTTON_LEFT
 145 #define CHC_SETTINGS_OK BUTTON_SELECT
 146 #define CHC_SETTINGS_CANCEL (BUTTON_HOME|BUTTON_REPEAT)
 147
 148 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 149 #define CHC_QUIT BUTTON_POWER
 150 #define CHC_STARTSTOP BUTTON_PLAY
 151 #define CHC_RESET BUTTON_FF
 152 #define CHC_MENU BUTTON_REW
 153 #define CHC_SETTINGS_INC BUTTON_RIGHT
 154 #define CHC_SETTINGS_DEC BUTTON_LEFT
 155 #define CHC_SETTINGS_OK BUTTON_PLAY
 156 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 157
 158 #elif CONFIG_KEYPAD == MROBE500_PAD
 159 #define CHC_QUIT BUTTON_POWER
 160 #define CHC_STARTSTOP BUTTON_RC_PLAY
 161 #define CHC_RESET BUTTON_RC_HEART
 162 #define CHC_MENU BUTTON_RC_MODE
 163 #define CHC_SETTINGS_INC BUTTON_RC_VOL_UP
 164 #define CHC_SETTINGS_DEC BUTTON_RC_VOL_DOWN
 165 #define CHC_SETTINGS_OK BUTTON_RC_PLAY
 166 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 167
 168 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 169 #define CHC_QUIT BUTTON_BACK
 170 #define CHC_STARTSTOP BUTTON_PLAY
 171 #define CHC_RESET BUTTON_PREV
 172 #define CHC_MENU BUTTON_MENU
 173 #define CHC_SETTINGS_INC BUTTON_UP
 174 #define CHC_SETTINGS_DEC BUTTON_DOWN
 175 #define CHC_SETTINGS_OK BUTTON_SELECT
 176 #define CHC_SETTINGS_CANCEL BUTTON_BACK
 177
 178 #elif CONFIG_KEYPAD == MROBE100_PAD
 179 #define CHC_QUIT BUTTON_POWER
 180 #define CHC_STARTSTOP BUTTON_SELECT
 181 #define CHC_RESET BUTTON_DISPLAY
 182 #define CHC_MENU BUTTON_MENU
 183 #define CHC_SETTINGS_INC BUTTON_UP
 184 #define CHC_SETTINGS_DEC BUTTON_DOWN
 185 #define CHC_SETTINGS_OK BUTTON_SELECT
 186 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 187
 188 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 189 #define CHC_QUIT BUTTON_RC_REC
 190 #define CHC_STARTSTOP BUTTON_RC_PLAY
 191 #define CHC_RESET BUTTON_RC_REW
 192 #define CHC_MENU BUTTON_RC_MENU
 193 #define CHC_SETTINGS_INC BUTTON_RC_VOL_UP
 194 #define CHC_SETTINGS_DEC BUTTON_RC_VOL_DOWN
 195 #define CHC_SETTINGS_OK BUTTON_RC_PLAY
 196 #define CHC_SETTINGS_CANCEL BUTTON_RC_REC
 197
 198 #elif CONFIG_KEYPAD == COWON_D2_PAD
 199 #define CHC_QUIT            BUTTON_POWER
 200 #define CHC_RESET          (BUTTON_CENTER|BUTTON_MENU)
 201 #define CHC_MENU            BUTTON_MENU
 202 #define CHC_SETTINGS_INC    BUTTON_PLUS
 203 #define CHC_SETTINGS_DEC    BUTTON_MINUS
 204 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 205
 206 #elif CONFIG_KEYPAD == IAUDIO67_PAD
 207 #define CHC_QUIT BUTTON_POWER
 208 #define CHC_STARTSTOP BUTTON_PLAY
 209 #define CHC_RESET BUTTON_LEFT
 210 #define CHC_MENU BUTTON_MENU
 211 #define CHC_SETTINGS_INC BUTTON_VOLUP
 212 #define CHC_SETTINGS_DEC BUTTON_VOLDOWN
 213 #define CHC_SETTINGS_OK BUTTON_PLAY
 214 #define CHC_SETTINGS_OK2 BUTTON_LEFT
 215 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 216
 217 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 218 #define CHC_QUIT BUTTON_BACK
 219 #define CHC_STARTSTOP BUTTON_PLAY
 220 #define CHC_RESET BUTTON_CUSTOM
 221 #define CHC_MENU BUTTON_MENU
 222 #define CHC_SETTINGS_INC BUTTON_UP
 223 #define CHC_SETTINGS_DEC BUTTON_DOWN
 224 #define CHC_SETTINGS_OK BUTTON_SELECT
 225 #define CHC_SETTINGS_CANCEL BUTTON_BACK
 226
 227 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 228 #define CHC_QUIT BUTTON_POWER
 229 #define CHC_STARTSTOP BUTTON_SELECT
 230 #define CHC_RESET BUTTON_VIEW
 231 #define CHC_MENU BUTTON_MENU
 232 #define CHC_SETTINGS_INC BUTTON_RIGHT
 233 #define CHC_SETTINGS_DEC BUTTON_LEFT
 234 #define CHC_SETTINGS_OK BUTTON_SELECT
 235 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 236
 237 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 238 #define CHC_QUIT BUTTON_POWER
 239 #define CHC_STARTSTOP BUTTON_PLAY
 240 #define CHC_RESET BUTTON_RIGHT
 241 #define CHC_MENU BUTTON_MENU
 242 #define CHC_SETTINGS_INC BUTTON_NEXT
 243 #define CHC_SETTINGS_DEC BUTTON_PREV
 244 #define CHC_SETTINGS_OK BUTTON_PLAY
 245 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 246
 247 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 248 #define CHC_QUIT            BUTTON_POWER
 249 #define CHC_RESET          (BUTTON_VOL_UP|BUTTON_VOL_DOWN)
 250 #define CHC_MENU            BUTTON_MENU
 251 #define CHC_SETTINGS_INC    BUTTON_VOL_UP
 252 #define CHC_SETTINGS_DEC    BUTTON_VOL_DOWN
 253 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 254
 255 #elif CONFIG_KEYPAD == ONDAVX777_PAD
 256 #define CHC_QUIT            BUTTON_POWER
 257 #define CHC_SETTINGS_CANCEL BUTTON_POWER
 258
 259 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 260 #define CHC_QUIT             BUTTON_REC
 261 #define CHC_STARTSTOP        BUTTON_PLAY
 262 #define CHC_RESET            BUTTON_FFWD
 263 #define CHC_MENU             BUTTON_LEFT
 264 #define CHC_SETTINGS_INC     BUTTON_UP
 265 #define CHC_SETTINGS_DEC     BUTTON_DOWN
 266 #define CHC_SETTINGS_OK      BUTTON_PLAY
 267 #define CHC_SETTINGS_CANCEL  BUTTON_REW
 268
 269 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 270 #define CHC_QUIT             BUTTON_REC
 271 #define CHC_STARTSTOP        BUTTON_PLAY
 272 #define CHC_RESET            BUTTON_PREV
 273 #define CHC_MENU             BUTTON_MENU
 274 #define CHC_SETTINGS_INC     BUTTON_UP
 275 #define CHC_SETTINGS_DEC     BUTTON_DOWN
 276 #define CHC_SETTINGS_OK      BUTTON_OK
 277 #define CHC_SETTINGS_CANCEL  BUTTON_CANCEL
 278
 279 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 280 #define CHC_QUIT (BUTTON_REC|BUTTON_PLAY)
 281 #define CHC_STARTSTOP BUTTON_PLAY
 282 #define CHC_RESET BUTTON_PREV
 283 #define CHC_MENU BUTTON_SELECT
 284 #define CHC_SETTINGS_INC BUTTON_VOL_UP
 285 #define CHC_SETTINGS_DEC BUTTON_VOL_DOWN
 286 #define CHC_SETTINGS_OK BUTTON_SELECT
 287 #define CHC_SETTINGS_CANCEL BUTTON_REC
 288
 289 #else
 290 #error No keymap defined!
 291 #endif
 292
 293 #ifdef HAVE_TOUCHSCREEN
 294 #ifndef CHC_SETTINGS_OK
 295 #define CHC_SETTINGS_OK  BUTTON_CENTER
 296 #endif
 297 #ifndef CHC_STARTSTOP
 298 #define CHC_STARTSTOP    BUTTON_CENTER
 299 #endif
 300 #ifndef CHC_SETTINGS_INC
 301 #define CHC_SETTINGS_INC BUTTON_TOPMIDDLE
 302 #endif
 303 #ifndef CHC_SETTINGS_DEC
 304 #define CHC_SETTINGS_DEC BUTTON_BOTTOMMIDDLE
 305 #endif
 306 #ifndef CHC_RESET
 307 #define CHC_RESET        BUTTON_TOPLEFT
 308 #endif
 309 #ifndef CHC_MENU
 310 #define CHC_MENU         BUTTON_TOPRIGHT
 311 #endif
 312 #endif
 313
 314
 315 /* leave first line blank on bitmap display, for pause icon */
 316 #ifdef HAVE_LCD_BITMAP
 317 #define FIRST_LINE 1
 318 #else
 319 #define FIRST_LINE 0
 320 #endif
 321
 322 #define MAX_PLAYERS 10
 323
 324 enum {
 325     CHCL_OK,
 326     CHCL_CANCEL,
 327     CHCL_USB,
 328     CHCL_NEXT,
 329     CHCL_PREV,
 330 };
 331
 332 static struct {
 333     int nr_timers;
 334     int total_time;
 335     int round_time;
 336 } settings;
 337
 338 static struct {
 339     int total_time;
 340     int used_time;
 341     bool hidden;
 342 } timer_holder[MAX_PLAYERS];
 343
 344 static int run_timer(int nr);
 345 static int chessclock_set_int(char* string,
 346                               int* variable,
 347                               int step,
 348                               int min,
 349                               int max,
 350                               int flags);
 351 #define FLAGS_SET_INT_SECONDS 1
 352
 353 static char * show_time(int secs);
 354
 355 static bool pause;
 356
 357 #define MAX_TIME 7200
 358
 359 /* this is the plugin entry point */
 360 enum plugin_status plugin_start(const void* parameter)
 361 {
 362     int i;
 363     bool done;
 364     int nr;
 365
 366     (void)parameter;
 367
 368     settings.nr_timers = 1;
 369     settings.total_time = 10;
 370     settings.round_time = 10;
 371
 372     /* now go ahead and have fun! */
 373     rb->splash(HZ, "Chess Clock");
 374
 375     rb->lcd_clear_display();
 376     i=0;
 377     while (1) {
 378         int res;
 379         switch (i) {
 380             case 0:
 381                 res=chessclock_set_int("Number of players",
 382                                        &settings.nr_timers, 1, 1,
 383                                        MAX_PLAYERS, 0);
 384                 break;
 385             case 1:
 386                 res=chessclock_set_int("Total time",
 387                                        &settings.total_time, 10, 10, MAX_TIME,
 388                                        FLAGS_SET_INT_SECONDS);
 389                 settings.round_time=settings.total_time;
 390                 break;
 391             case 2:
 392                 res=chessclock_set_int("Max round time", &settings.round_time,
 393                                        10, 10, settings.round_time,
 394                                        FLAGS_SET_INT_SECONDS);
 395                 break;
 396             default:
 397                 res=-2; /* done */
 398                 break;
 399         }
 400         if (res==CHCL_USB) {
 401             return PLUGIN_USB_CONNECTED;
 402         } else if (res==CHCL_CANCEL) {
 403             i--;
 404             if (i<0) {
 405                 return PLUGIN_OK;
 406             }
 407         } else if (res==CHCL_OK) {
 408             i++;
 409         } else if (res==-2) { /* done */
 410             break;
 411         }
 412     }
 413     for (i=0; i<settings.nr_timers; i++) {
 414         timer_holder[i].total_time=settings.total_time;
 415         timer_holder[i].used_time=0;
 416         timer_holder[i].hidden=false;
 417     }
 418
 419     pause=true; /* We start paused */
 420
 421     nr=0;
 422     do {
 423         int ret=0;
 424         done=true;
 425         i = nr;
 426         do {
 427             if (!timer_holder[i].hidden)
 428             {
 429                 nr = i;
 430                 done = false;
 431                 break;
 432             }
 433             if (++i == settings.nr_timers)
 434                 i = 0;
 435         } while (i != nr);
 436
 437         if (done) {
 438             return PLUGIN_OK;
 439         }
 440
 441         ret = run_timer(nr);
 442         switch (ret) {
 443             case CHCL_CANCEL: /* exit */
 444                 done=true;
 445                 break;
 446             case CHCL_USB:
 447                 return PLUGIN_USB_CONNECTED;
 448             case CHCL_NEXT:
 449                 nr++;
 450                 if (nr>=settings.nr_timers)
 451                     nr=0;
 452                 break;
 453             case CHCL_PREV:
 454                 do {
 455                     nr--;
 456                     if (nr<0)
 457                         nr=settings.nr_timers-1;
 458                 } while (timer_holder[nr].hidden);
 459                 break;
 460         }
 461     } while (!done);
 462     return PLUGIN_OK;
 463 }
 464
 465 #ifdef HAVE_LCD_BITMAP
 466 static void show_pause_mode(bool enabled)
 467 {
 468     static const char pause_icon[] = {0x00,0x7f,0x7f,0x00,0x7f,0x7f,0x00};
 469
 470     if (enabled)
 471         rb->lcd_mono_bitmap((unsigned char *)pause_icon, 52, 0, 7, 8);
 472     else
 473     {
 474         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 475         rb->lcd_fillrect(52, 0, 7, 8);
 476         rb->lcd_set_drawmode(DRMODE_SOLID);
 477     }
 478 }
 479 #else
 480 #define show_pause_mode(enabled)  rb->lcd_icon(ICON_PAUSE, enabled)
 481 #endif
 482
 483 static int run_timer(int nr)
 484 {
 485     char buf[40];
 486     char player_info[13];
 487     long last_tick;
 488     bool done=false;
 489     int retval=CHCL_OK;
 490     long max_ticks=timer_holder[nr].total_time*HZ-timer_holder[nr].used_time;
 491     long ticks=0;
 492     bool round_time=false;
 493
 494     show_pause_mode(pause);
 495
 496     if (settings.round_time*HZ<max_ticks) {
 497         max_ticks=settings.round_time*HZ;
 498         round_time=true;
 499     }
 500     rb->snprintf(player_info, sizeof(player_info), "Player %d", nr+1);
 501     rb->lcd_puts(0, FIRST_LINE, (unsigned char *)player_info);
 502     last_tick=*rb->current_tick;
 503
 504     while (!done) {
 505         int button;
 506         long now;
 507         if (ticks>=max_ticks) {
 508             if (round_time)
 509                 rb->lcd_puts(0, FIRST_LINE+1, (unsigned char *)"ROUND UP!");
 510             else
 511                 rb->lcd_puts(0, FIRST_LINE+1, (unsigned char *)"TIME OUT!");
 512             rb->backlight_on();
 513             ticks = max_ticks;
 514         } else {
 515             now=*rb->current_tick;
 516             if (!pause) {
 517                 ticks+=now-last_tick;
 518                 if ((max_ticks-ticks)/HZ == 10) {
 519                      /* Backlight on if 10 seconds remain */
 520                     rb->backlight_on();
 521                 }
 522             }
 523             last_tick=now;
 524             if (round_time) {
 525                 rb->snprintf(buf, sizeof(buf), "%s/",
 526                              show_time((max_ticks-ticks+HZ-1)/HZ));
 527                 /* Append total time */
 528                 rb->strcpy(&buf[rb->strlen(buf)],
 529                            show_time((timer_holder[nr].total_time*HZ-
 530                                       timer_holder[nr].used_time-
 531                                       ticks+HZ-1)/HZ));
 532                 rb->lcd_puts(0, FIRST_LINE+1, (unsigned char *)buf);
 533             } else {
 534                 rb->lcd_puts(0, FIRST_LINE+1,
 535                              (unsigned char *)show_time((max_ticks-ticks+HZ-1)/HZ));
 536             }
 537         }
 538         rb->lcd_update();
 539
 540         button = rb->button_get(false);
 541         switch (button) {
 542             /* OFF/ON key to exit */
 543             case CHC_QUIT:
 544                 return CHCL_CANCEL; /* Indicate exit */
 545
 546             /* PLAY = Stop/Start toggle */
 547             case CHC_STARTSTOP:
 548                 pause=!pause;
 549                 show_pause_mode(pause);
 550                 break;
 551
 552             /* LEFT = Reset timer */
 553             case CHC_RESET:
 554                 ticks=0;
 555                 break;
 556
 557                 /* MENU  */
 558             case CHC_MENU:
 559             {
 560                 MENUITEM_STRINGLIST(menu, "Menu", NULL,
 561                                     "Delete player", "Restart round",
 562                                     "Set round time", "Set total time",
 563                                     "Playback Control");
 564
 565                 int val, res;
 566                 switch(rb->do_menu(&menu, NULL, NULL, false))
 567                 {
 568                     case 0:
 569                         /* delete player */
 570                         timer_holder[nr].hidden=true;
 571                         retval = CHCL_NEXT;
 572                         done=true;
 573                         break;
 574                     case 1:
 575                         /* restart */
 576                         ticks=0;
 577                         last_tick=*rb->current_tick;
 578                         break;
 579                     case 2:
 580                         /* set round time */
 581                         val=(max_ticks-ticks)/HZ;
 582                         res=chessclock_set_int("Round time",
 583                                                &val, 10, 0, MAX_TIME,
 584                                                FLAGS_SET_INT_SECONDS);
 585                         if (res==CHCL_USB) {
 586                             retval = CHCL_USB;
 587                             done=true;
 588                         } else if (res==CHCL_OK) {
 589                             ticks=max_ticks-val*HZ;
 590                             last_tick=*rb->current_tick;
 591                         }
 592                         break;
 593                     case 3:
 594                         /* set total time */
 595                         val=timer_holder[nr].total_time;
 596                         res=chessclock_set_int("Total time",
 597                                                &val,
 598                                                10, 0, MAX_TIME,
 599                                                FLAGS_SET_INT_SECONDS);
 600                         if (res==CHCL_USB) {
 601                             retval = CHCL_USB;
 602                             done=true;
 603                         } else if (res==CHCL_OK) {
 604                             timer_holder[nr].total_time=val;
 605                         }
 606                         break;
 607                     case 4:
 608                         playback_control(NULL);
 609                         break;
 610                     case MENU_ATTACHED_USB:
 611                         retval = CHCL_USB;
 612                         done=true;
 613                         break;
 614                 }
 615                 rb->lcd_clear_display();
 616                 show_pause_mode(pause);
 617                 rb->lcd_puts(0, FIRST_LINE, (unsigned char *)player_info);
 618             }
 619             break;
 620
 621             /* UP (RIGHT/+) = Scroll Lap timer up */
 622             case CHC_SETTINGS_INC:
 623                 retval = CHCL_NEXT;
 624                 done = true;
 625                 break;
 626
 627             /* DOWN (LEFT/-) = Scroll Lap timer down */
 628             case CHC_SETTINGS_DEC:
 629                 retval = CHCL_PREV;
 630                 done = true;
 631                 break;
 632
 633             default:
 634                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED) {
 635                     retval = CHCL_USB;
 636                     done = true;
 637                 }
 638                 break;
 639         }
 640         rb->sleep(HZ/4); /* Sleep 1/4 of a second */
 641     }
 642
 643     timer_holder[nr].used_time+=ticks;
 644
 645     return retval;
 646 }
 647
 648 static int chessclock_set_int(char* string,
 649                               int* variable,
 650                               int step,
 651                               int min,
 652                               int max,
 653                               int flags)
 654 {
 655     bool done = false;
 656     int button;
 657
 658     rb->lcd_clear_display();
 659     rb->lcd_puts_scroll(0, FIRST_LINE, (unsigned char *)string);
 660
 661     while (!done) {
 662         char str[32];
 663         if (flags & FLAGS_SET_INT_SECONDS)
 664             rb->snprintf(str, sizeof str,"%s (m:s)", show_time(*variable));
 665         else
 666             rb->snprintf(str, sizeof str,"%d", *variable);
 667         rb->lcd_puts(0, FIRST_LINE+1, (unsigned char *)str);
 668         rb->lcd_update();
 669
 670         button = rb->button_get(true);
 671         switch(button) {
 672             case CHC_SETTINGS_INC:
 673             case CHC_SETTINGS_INC | BUTTON_REPEAT:
 674                 *variable += step;
 675                 break;
 676
 677             case CHC_SETTINGS_DEC:
 678             case CHC_SETTINGS_DEC | BUTTON_REPEAT:
 679                 *variable -= step;
 680                 break;
 681
 682             case CHC_SETTINGS_OK:
 683 #ifdef CHC_SETTINGS_OK2
 684             case CHC_SETTINGS_OK2:
 685 #endif
 686                 done = true;
 687                 break;
 688
 689             case CHC_SETTINGS_CANCEL:
 690 #ifdef CHC_SETTINGS_CANCEL2
 691             case CHC_SETTINGS_CANCEL2:
 692 #endif
 693                 return CHCL_CANCEL;
 694                 break;
 695
 696             default:
 697                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 698                     return CHCL_USB;
 699                 break;
 700
 701         }
 702         if(*variable > max )
 703             *variable = max;
 704
 705         if(*variable < min )
 706             *variable = min;
 707
 708     }
 709     rb->lcd_stop_scroll();
 710
 711     return CHCL_OK;
 712 }
 713
 714 static char * show_time(int seconds)
 715 {
 716     static char buf[]="00:00";
 717     rb->snprintf(buf, sizeof(buf), "%02d:%02d", seconds/60, seconds%60);
 718     return buf;
 719 }
 720