apps/plugins/fireworks.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Zakk Roberts
  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/helper.h"
  23 #include "lib/playback_control.h"
  24
  25 PLUGIN_HEADER
  26
  27 /***
  28  * FIREWORKS.C by ZAKK ROBERTS
  29  * Rockbox plugin simulating a fireworks display.
  30  * Supports all bitmap LCDs, fully scalable.
  31  * Currently disabled for Archos Recorder - runs too slow.
  32  ***/
  33
  34 /* All sorts of keymappings.. */
  35 #if (CONFIG_KEYPAD == IRIVER_H300_PAD) || (CONFIG_KEYPAD == IRIVER_H100_PAD)
  36 #define BTN_MENU BUTTON_OFF
  37 #define BTN_FIRE BUTTON_SELECT
  38
  39 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  40       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  41 #define BTN_MENU BUTTON_MENU
  42 #define BTN_FIRE BUTTON_SELECT
  43
  44 #elif (CONFIG_KEYPAD == RECORDER_PAD)
  45 #define BTN_MENU BUTTON_OFF
  46 #define BTN_FIRE BUTTON_PLAY
  47
  48 #elif (CONFIG_KEYPAD == ARCHOS_AV300_PAD)
  49 #define BTN_MENU BUTTON_OFF
  50 #define BTN_FIRE BUTTON_SELECT
  51
  52 #elif (CONFIG_KEYPAD == ONDIO_PAD)
  53 #define BTN_MENU BUTTON_MENU
  54 #define BTN_FIRE BUTTON_UP
  55
  56 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  57 #define BTN_MENU BUTTON_POWER
  58 #define BTN_FIRE BUTTON_SELECT
  59
  60 #elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD)
  61 #define BTN_MENU BUTTON_MODE
  62 #define BTN_FIRE BUTTON_SELECT
  63
  64 #elif (CONFIG_KEYPAD == GIGABEAT_PAD) || \
  65       (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
  66       (CONFIG_KEYPAD == MROBE100_PAD)
  67 #define BTN_MENU BUTTON_MENU
  68 #define BTN_FIRE BUTTON_SELECT
  69
  70 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  71       (CONFIG_KEYPAD == SANSA_C200_PAD)
  72 #define BTN_MENU BUTTON_POWER
  73 #define BTN_FIRE BUTTON_SELECT
  74
  75 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  76 #define BTN_MENU (BUTTON_HOME|BUTTON_REPEAT)
  77 #define BTN_FIRE BUTTON_SELECT
  78
  79 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
  80 #define BTN_MENU BUTTON_POWER
  81 #define BTN_FIRE BUTTON_PLAY
  82
  83 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  84 #define BTN_MENU BUTTON_RC_REC
  85 #define BTN_FIRE BUTTON_RC_PLAY
  86
  87 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
  88 #define BTN_MENU (BUTTON_MENU|BUTTON_REL)
  89
  90 #elif CONFIG_KEYPAD == IAUDIO67_PAD
  91 #define BTN_MENU BUTTON_MENU
  92 #define BTN_FIRE BUTTON_PLAY
  93
  94 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
  95 #define BTN_MENU BUTTON_MENU
  96 #define BTN_FIRE BUTTON_SELECT
  97
  98 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
  99 #define BTN_MENU BUTTON_MENU
 100 #define BTN_FIRE BUTTON_SELECT
 101
 102 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 103 #define BTN_MENU BUTTON_MENU
 104 #define BTN_FIRE BUTTON_PLAY
 105
 106 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 107 #define BTN_MENU (BUTTON_MENU|BUTTON_REL)
 108
 109 #elif (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
 110 #define BTN_MENU BUTTON_LEFT
 111 #define BTN_FIRE BUTTON_PLAY
 112
 113 #elif (CONFIG_KEYPAD == PBELL_VIBE500_PAD)
 114 #define BTN_MENU BUTTON_MENU
 115 #define BTN_FIRE BUTTON_OK
 116
 117 #elif (CONFIG_KEYPAD == MPIO_HD200_PAD)
 118 #define BTN_MENU BUTTON_REC
 119 #define BTN_FIRE BUTTON_SELECT
 120
 121 #elif defined(HAVE_TOUCHSCREEN)
 122     /* This is a touchscreen target */
 123 #else
 124 #error No keymap defined!
 125 #endif
 126
 127 #ifdef HAVE_TOUCHSCREEN
 128 #ifndef BTN_MENU
 129 #define BTN_MENU (BUTTON_TOPLEFT|BUTTON_REL)
 130 #endif
 131 #ifndef BTN_FIRE
 132 #define BTN_FIRE BUTTON_CENTER
 133 #endif
 134 #endif
 135
 136 /* The lowdown on source terminology:
 137  * a ROCKET is launched from the LCD bottom.
 138  * FIREWORKs are ejected from the rocket when it explodes. */
 139
 140 #define MAX_ROCKETS 40
 141 #define ROCKET_LIFE (LCD_HEIGHT/2)
 142 #define ROCKET_LIFE_VAR (LCD_HEIGHT/4)
 143 #define ROCKET_SIZE 2
 144 #define ROCKET_MOVEMENT_RANGE 4
 145 #define ROCKET_TRAIL_PARTICLES 50
 146
 147 #define MAX_FIREWORKS 40
 148 #define FIREWORK_MOVEMENT_RANGE 6
 149 #define FIREWORK_SIZE  2
 150
 151 /* position, speed, "phase" (age), color of all fireworks */
 152 int firework_xpoints[MAX_ROCKETS][MAX_FIREWORKS];
 153 int firework_ypoints[MAX_ROCKETS][MAX_FIREWORKS];
 154 int firework_xspeed[MAX_ROCKETS][MAX_FIREWORKS];
 155 int firework_yspeed[MAX_ROCKETS][MAX_FIREWORKS];
 156 int firework_phase[MAX_ROCKETS];
 157 #ifdef HAVE_LCD_COLOR
 158 int firework_color[MAX_ROCKETS][MAX_FIREWORKS];
 159 #endif
 160
 161 /* position, speed, "phase" (age) of all rockets */
 162 int rocket_xpos[MAX_ROCKETS];
 163 int rocket_ypos[MAX_ROCKETS];
 164 int rocket_xspeed[MAX_ROCKETS];
 165 int rocket_yspeed[MAX_ROCKETS];
 166 int rocket_phase[MAX_ROCKETS];
 167 int rocket_targetphase[MAX_ROCKETS];
 168
 169 /* settings values. these should eventually be saved to
 170  * disk. maybe a preset loading/saving system? */
 171 int autofire_delay = 0;
 172 int particles_per_firework = 2;
 173 int particle_life = 1;
 174 int gravity = 1;
 175 int show_rockets = 1;
 176 int frames_per_second = 4;
 177 bool quit_plugin = false;
 178
 179 /* firework colors:
 180  * firework_colors = brightest firework color, used most of the time.
 181  * DARK colors = fireworks are nearly burnt out.
 182  * DARKER colors = fireworks are several frames away from burning out.
 183  * DARKEST colors = fireworks are a couple frames from burning out. */
 184 #ifdef HAVE_LCD_COLOR
 185 static const unsigned firework_colors[] = {
 186 LCD_RGBPACK(0,255,64), LCD_RGBPACK(61,255,249), LCD_RGBPACK(255,200,61),
 187 LCD_RGBPACK(217,22,217), LCD_RGBPACK(22,217,132), LCD_RGBPACK(67,95,254),
 188 LCD_RGBPACK(151,84,213) };
 189
 190 static const unsigned firework_dark_colors[] = {
 191 LCD_RGBPACK(0,128,32), LCD_RGBPACK(30,128,128), LCD_RGBPACK(128,100,30),
 192 LCD_RGBPACK(109,11,109), LCD_RGBPACK(11,109,66), LCD_RGBPACK(33,47,128),
 193 LCD_RGBPACK(75,42,105) };
 194
 195 static const unsigned firework_darker_colors[] = {
 196 LCD_RGBPACK(0,64,16), LCD_RGBPACK(15,64,64), LCD_RGBPACK(64,50,15),
 197 LCD_RGBPACK(55,5,55), LCD_RGBPACK(5,55,33), LCD_RGBPACK(16,24,64),
 198 LCD_RGBPACK(38,21,52) };
 199
 200 static const unsigned firework_darkest_colors[] = {
 201 LCD_RGBPACK(0,32,8), LCD_RGBPACK(7,32,32), LCD_RGBPACK(32,25,7),
 202 LCD_RGBPACK(27,2,27), LCD_RGBPACK(2,27,16), LCD_RGBPACK(8,12,32),
 203 LCD_RGBPACK(19,10,26) };
 204
 205 #define EXPLOSION_COLOR LCD_RGBPACK(255,240,0)
 206
 207 #endif
 208
 209 static const struct opt_items autofire_delay_settings[15] = {
 210     { "Off",   -1 },
 211     { "50ms",  -1 },
 212     { "100ms", -1 },
 213     { "200ms", -1 },
 214     { "300ms", -1 },
 215     { "400ms", -1 },
 216     { "500ms", -1 },
 217     { "600ms", -1 },
 218     { "700ms", -1 },
 219     { "800ms", -1 },
 220     { "900ms", -1 },
 221     { "1s",    -1 },
 222     { "2s",    -1 },
 223     { "3s",    -1 },
 224     { "4s",    -1 }
 225 };
 226
 227 int autofire_delay_values[15] = {
 228     0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400 };
 229
 230 static const struct opt_items particle_settings[8] = {
 231     { "5",  -1 },
 232     { "10", -1 },
 233     { "15", -1 },
 234     { "20", -1 },
 235     { "25", -1 },
 236     { "30", -1 },
 237     { "35", -1 },
 238     { "40", -1 },
 239 };
 240
 241 int particle_values[8] = {
 242     5, 10, 15, 20, 25, 30, 35, 40 };
 243
 244 static const struct opt_items particle_life_settings[9] = {
 245     { "20 cycles",  -1 },
 246     { "30 cycles",  -1 },
 247     { "40 cycles",  -1 },
 248     { "50 cycles",  -1 },
 249     { "60 cycles",  -1 },
 250     { "70 cycles",  -1 },
 251     { "80 cycles",  -1 },
 252     { "90 cycles",  -1 },
 253     { "100 cycles", -1 }
 254 };
 255
 256 int particle_life_values[9] = {
 257     20, 30, 40, 50, 60, 70, 80, 90, 100 };
 258
 259 static const struct opt_items gravity_settings[4] = {
 260     { "Off",      -1 },
 261     { "Weak",     -1 },
 262     { "Moderate", -1 },
 263     { "Strong",   -1 },
 264 };
 265
 266 int gravity_values[4] = {
 267     0, 30, 20, 10 };
 268
 269 #ifdef HAVE_LCD_COLOR
 270
 271 static const struct opt_items rocket_settings[3] = {
 272     { "No",                -1 },
 273     { "Yes (no trails)",   -1 },
 274     { "Yes (with trails)", -1 },
 275 };
 276 int rocket_values[4] = {
 277     2, 1, 0 };
 278
 279 #else
 280
 281 static const struct opt_items rocket_settings[2] = {
 282     { "No",  -1 },
 283     { "Yes", -1 },
 284 };
 285 int rocket_values[4] = {
 286     1, 0 };
 287
 288 #endif
 289
 290 static const struct opt_items fps_settings[9] = {
 291     { "20 FPS", -1 },
 292     { "25 FPS", -1 },
 293     { "30 FPS", -1 },
 294     { "35 FPS", -1 },
 295     { "40 FPS", -1 },
 296     { "45 FPS", -1 },
 297     { "50 FPS", -1 },
 298     { "55 FPS", -1 },
 299     { "60 FPS", -1 }
 300 };
 301
 302 int fps_values[9] = {
 303     20, 25, 30, 35, 40, 45, 50, 55, 60 };
 304
 305 MENUITEM_STRINGLIST(menu, "Fireworks Menu", NULL,
 306                     "Start Demo", "Auto-Fire", "Particles Per Firework",
 307                     "Particle Life", "Gravity", "Show Rockets",
 308                     "FPS (Speed)", "Playback Control", "Quit");
 309
 310 /* called on startup. initializes all variables, etc */
 311 void init_all(void)
 312 {
 313     int j;
 314
 315     for(j=0; j<MAX_ROCKETS; j++)
 316     {
 317         rocket_phase[j] = -1;
 318         firework_phase[j] = -1;
 319     }
 320 }
 321
 322 /* called when a rocket hits its destination height.
 323  * prepares all associated fireworks to be expelled. */
 324 void init_explode(int x, int y, int firework, int points)
 325 {
 326     int i;
 327
 328     for(i=0; i<points; i++)
 329     {
 330         rb->srand(*rb->current_tick * i);
 331
 332         firework_xpoints[firework][i] = x;
 333         firework_ypoints[firework][i] = y;
 334
 335         firework_xspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE)
 336                                             - FIREWORK_MOVEMENT_RANGE/2;
 337         firework_yspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE)
 338                                             - FIREWORK_MOVEMENT_RANGE/2;
 339
 340 #ifdef HAVE_LCD_COLOR
 341         firework_color[firework][i] = rb->rand() % 7;
 342 #endif
 343     }
 344 }
 345
 346 /* called when a rocket is launched.
 347  * prepares said rocket to start moving towards its destination. */
 348 void init_rocket(int rocket)
 349 {
 350     rb->srand(*rb->current_tick);
 351
 352     rocket_xpos[rocket] = rb->rand() % LCD_WIDTH;
 353     rocket_ypos[rocket] = LCD_HEIGHT;
 354
 355     rocket_xspeed[rocket] = (rb->rand() % ROCKET_MOVEMENT_RANGE)
 356                                 - ROCKET_MOVEMENT_RANGE/2;
 357     rocket_yspeed[rocket] = 3;
 358
 359     rocket_phase[rocket] = 0;
 360     rocket_targetphase[rocket] = (ROCKET_LIFE + (rb->rand() % ROCKET_LIFE_VAR))
 361                                     / rocket_yspeed[rocket];
 362 }
 363
 364 /* startup/configuration menu. */
 365 void fireworks_menu(void)
 366 {
 367     int selected = 0, result;
 368     bool menu_quit = false;
 369
 370     rb->lcd_setfont(FONT_UI);
 371 #ifdef HAVE_LCD_COLOR
 372     rb->lcd_set_background(LCD_BLACK);
 373     rb->lcd_set_foreground(LCD_WHITE);
 374 #endif
 375     rb->lcd_clear_display();
 376     rb->lcd_update();
 377
 378     rb->button_clear_queue();
 379
 380     while(!menu_quit)
 381     {
 382         result = rb->do_menu(&menu, &selected, NULL, false);
 383
 384         switch(result)
 385         {
 386             case 0:
 387                 rb->lcd_setfont(FONT_SYSFIXED);
 388
 389 #ifdef HAVE_LCD_COLOR
 390                 rb->lcd_set_background(LCD_BLACK);
 391                 rb->lcd_set_foreground(LCD_WHITE);
 392 #endif
 393
 394                 rb->lcd_clear_display();
 395                 rb->lcd_update();
 396
 397                 init_all();
 398                 menu_quit = true;
 399                 break;
 400
 401             case 1:
 402                 rb->set_option("Auto-Fire", &autofire_delay, INT,
 403                                 autofire_delay_settings, 15, NULL);
 404                 break;
 405
 406             case 2:
 407                 rb->set_option("Particles Per Firework", &particles_per_firework,
 408                                 INT, particle_settings, 8, NULL);
 409                 break;
 410
 411             case 3:
 412                 rb->set_option("Particle Life", &particle_life, INT,
 413                                 particle_life_settings, 9, NULL);
 414                 break;
 415
 416             case 4:
 417                 rb->set_option("Gravity", &gravity, INT,
 418                                 gravity_settings, 4, NULL);
 419                 break;
 420
 421             case 5:
 422                 rb->set_option("Show Rockets", &show_rockets, INT,
 423                                 rocket_settings, 3, NULL);
 424                 break;
 425
 426             case 6:
 427                 rb->set_option("FPS (Speed)", &frames_per_second, INT,
 428                                 fps_settings, 9, NULL);
 429                 break;
 430
 431             case 7:
 432                 playback_control(NULL);
 433                 break;
 434
 435             case 8:
 436                 quit_plugin = true;
 437                 menu_quit = true;
 438                 break;
 439         }
 440     }
 441 }
 442
 443 /* this is the plugin entry point */
 444 enum plugin_status plugin_start(const void* parameter)
 445 {
 446     (void)parameter;
 447
 448     int j, i;
 449     int thisrocket=0;
 450     int start_tick, elapsed_tick;
 451     int button;
 452
 453     /* set everything up.. no BL timeout, no backdrop,
 454        white-text-on-black-background. */
 455     backlight_force_on(); /* backlight control in lib/helper.c */
 456 #if LCD_DEPTH > 1
 457     rb->lcd_set_backdrop(NULL);
 458     rb->lcd_set_background(LCD_BLACK);
 459     rb->lcd_set_foreground(LCD_WHITE);
 460 #endif
 461
 462 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 463     rb->cpu_boost(true);
 464 #endif
 465
 466     fireworks_menu();
 467
 468     start_tick = *rb->current_tick;
 469
 470     while(!quit_plugin)
 471     {
 472         rb->lcd_clear_display();
 473
 474         /* loop through every possible rocket */
 475         for(j=0; j<MAX_ROCKETS; j++)
 476         {
 477             /* if the current rocket is actually moving/"alive" then go on and
 478              * move/update/explode it */
 479             if(rocket_phase[j] > -1)
 480             {
 481 #ifdef HAVE_LCD_COLOR /* draw trail, if requested */
 482                 if(show_rockets==2)
 483                 {
 484                     rb->lcd_set_foreground(LCD_RGBPACK(128,128,128));
 485                     rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
 486                                      ROCKET_SIZE, ROCKET_SIZE);
 487                     rb->lcd_set_foreground(LCD_RGBPACK(64,64,64));
 488                     rb->lcd_fillrect(rocket_xpos[j]-rocket_xspeed[j],
 489                                      rocket_ypos[j]+rocket_yspeed[j],
 490                                      ROCKET_SIZE, ROCKET_SIZE);
 491                 }
 492 #endif
 493
 494                 /* move rocket */
 495                 rocket_xpos[j] += rocket_xspeed[j];
 496                 rocket_ypos[j] -= rocket_yspeed[j];
 497
 498 #ifdef HAVE_LCD_COLOR
 499                 rb->lcd_set_foreground(LCD_WHITE);
 500 #endif
 501                 if(show_rockets==2 || show_rockets==1)
 502                     rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
 503                                     ROCKET_SIZE, ROCKET_SIZE);
 504
 505                 /* if(rocket isn't "there" yet) keep moving
 506                  * if(rocket IS there) explode it. */
 507                 if(rocket_phase[j] < rocket_targetphase[j])
 508                     rocket_phase[j]++;
 509                 else
 510                 {
 511                     rocket_phase[j] = -1;
 512
 513                     firework_phase[j] = 0;
 514                     init_explode(rocket_xpos[j], rocket_ypos[j], j,
 515                                 particle_values[particles_per_firework]);
 516                 }
 517             }
 518
 519             /* and now onto the fireworks for this particular rocket... */
 520             if(firework_phase[j] > -1)
 521             {
 522                 for(i=0; i<particle_values[particles_per_firework]; i++)
 523                 {
 524                     firework_xpoints[j][i] += firework_xspeed[j][i];
 525                     firework_ypoints[j][i] += firework_yspeed[j][i];
 526
 527                     if(gravity != 0)
 528                         firework_ypoints[j][i] += firework_phase[j]
 529                                                     /gravity_values[gravity];
 530
 531 #ifdef HAVE_LCD_COLOR
 532                     rb->lcd_set_foreground(
 533                         firework_darkest_colors[firework_color[j][i]]);
 534                     rb->lcd_fillrect(firework_xpoints[j][i]-1,
 535                                      firework_ypoints[j][i]-1,
 536                                      FIREWORK_SIZE+2, FIREWORK_SIZE+2);
 537
 538                     int phase_left = particle_life_values[particle_life]
 539                                         - firework_phase[j];
 540                     if(phase_left > 10)
 541                         rb->lcd_set_foreground(
 542                             firework_colors[firework_color[j][i]]);
 543                     else if(phase_left > 7)
 544                         rb->lcd_set_foreground(
 545                             firework_dark_colors[firework_color[j][i]]);
 546                     else if(phase_left > 3)
 547                         rb->lcd_set_foreground(
 548                             firework_darker_colors[firework_color[j][i]]);
 549                     else
 550                         rb->lcd_set_foreground(
 551                             firework_darkest_colors[firework_color[j][i]]);
 552 #endif
 553                     rb->lcd_fillrect(firework_xpoints[j][i],
 554                                      firework_ypoints[j][i],
 555                                      FIREWORK_SIZE, FIREWORK_SIZE);
 556 /* WIP - currently ugly explosion effect
 557 #ifdef HAVE_LCD_COLOR
 558                     if(firework_phase[j] < 10)
 559                     {
 560                         rb->lcd_set_foreground(EXPLOSION_COLOR);
 561                         rb->lcd_fillrect(rocket_xpos[j]-firework_phase[j],
 562                                          rocket_ypos[j]-firework_phase[j],
 563                                          firework_phase[j]*2, firework_phase[j]*2);
 564                     }
 565 #endif */
 566                 }
 567
 568 #ifdef HAVE_LCD_COLOR
 569                     rb->lcd_set_foreground(LCD_WHITE);
 570 #endif
 571
 572                 /* firework at its destination age?
 573                  * no = keep aging; yes = delete it. */
 574                 if(firework_phase[j] < particle_life_values[particle_life])
 575                     firework_phase[j]++;
 576                 else
 577                     firework_phase[j] = -1;
 578             }
 579         }
 580
 581         /* is autofire on? */
 582         if(autofire_delay != 0)
 583         {
 584             elapsed_tick = *rb->current_tick - start_tick;
 585
 586             if(elapsed_tick > autofire_delay_values[autofire_delay])
 587             {
 588                 init_rocket(thisrocket);
 589                 if(++thisrocket == MAX_ROCKETS)
 590                     thisrocket = 0;
 591
 592                 start_tick = *rb->current_tick;
 593             }
 594         }
 595
 596         rb->lcd_update();
 597
 598         button = rb->button_get_w_tmo(HZ/fps_values[frames_per_second]);
 599         switch(button)
 600         {
 601             case BTN_MENU: /* back to config menu */
 602                 fireworks_menu();
 603                 break;
 604
 605             case BTN_FIRE: /* fire off rockets manually */
 606             case BTN_FIRE|BUTTON_REPEAT:
 607                 init_rocket(thisrocket);
 608                 if(++thisrocket == MAX_ROCKETS)
 609                     thisrocket=0;
 610                 break;
 611         }
 612     }
 613     /* Turn on backlight timeout (revert to settings) */
 614     backlight_use_settings(); /* backlight control in lib/helper.c */
 615
 616 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 617     rb->cpu_boost(false);
 618 #endif
 619
 620     return PLUGIN_OK;
 621 }