apps/plugins/starfield.c

   1 /***************************************************************************
   2 *             __________               __   ___.
   3 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7 *                     \/            \/     \/    \/            \/
   8 * Copyright (C) 2005 Kevin Ferrare
   9 *
  10 * This program is free software; you can redistribute it and/or
  11 * modify it under the terms of the GNU General Public License
  12 * as published by the Free Software Foundation; either version 2
  13 * of the License, or (at your option) any later version.
  14 *
  15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16 * KIND, either express or implied.
  17 *
  18 ****************************************************************************/
  19
  20 #include "plugin.h"
  21 #include "lib/helper.h"
  22 #include "lib/pluginlib_exit.h"
  23
  24 /******************************* Globals ***********************************/
  25
  26 /* Key assignement */
  27 #if (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  28     (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  29     (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  30 #define STARFIELD_QUIT BUTTON_MENU
  31 #define STARFIELD_INCREASE_ZMOVE BUTTON_SCROLL_FWD
  32 #define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_BACK
  33 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  34 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  35 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
  36
  37 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  38 #define STARFIELD_QUIT BUTTON_POWER
  39 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  40 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  41 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  42 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  43 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
  44
  45 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
  46 #define STARFIELD_QUIT BUTTON_POWER
  47 #define STARFIELD_INCREASE_ZMOVE BUTTON_SCROLL_UP
  48 #define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_DOWN
  49 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  50 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  51 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
  52
  53 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  54 #define STARFIELD_QUIT BUTTON_POWER
  55 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  56 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  57 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  58 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  59 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
  60
  61 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  62       (CONFIG_KEYPAD == SANSA_C200_PAD) || \
  63       (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
  64       (CONFIG_KEYPAD == SANSA_M200_PAD)
  65 #define STARFIELD_QUIT BUTTON_POWER
  66 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  67 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  68 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  69 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  70 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
  71
  72 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  73 #define STARFIELD_QUIT (BUTTON_HOME|BUTTON_REPEAT)
  74 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  75 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  76 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  77 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  78 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
  79
  80 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
  81 #define STARFIELD_QUIT BUTTON_BACK
  82 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  83 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  84 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  85 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  86 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
  87
  88 #elif (CONFIG_KEYPAD == MROBE100_PAD)
  89 #define STARFIELD_QUIT BUTTON_POWER
  90 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
  91 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
  92 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
  93 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
  94 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
  95
  96 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  97 #define STARFIELD_QUIT BUTTON_RC_REC
  98 #define STARFIELD_INCREASE_ZMOVE BUTTON_RC_VOL_UP
  99 #define STARFIELD_DECREASE_ZMOVE BUTTON_RC_VOL_DOWN
 100 #define STARFIELD_INCREASE_NB_STARS BUTTON_RC_FF
 101 #define STARFIELD_DECREASE_NB_STARS BUTTON_RC_REW
 102 #define STARFIELD_TOGGLE_COLOR BUTTON_RC_MODE
 103
 104 #elif CONFIG_KEYPAD == IAUDIO67_PAD
 105 #define STARFIELD_QUIT BUTTON_POWER
 106 #define STARFIELD_INCREASE_ZMOVE BUTTON_STOP
 107 #define STARFIELD_DECREASE_ZMOVE BUTTON_PLAY
 108 #define STARFIELD_INCREASE_NB_STARS BUTTON_LEFT
 109 #define STARFIELD_DECREASE_NB_STARS BUTTON_RIGHT
 110 #define STARFIELD_TOGGLE_COLOR BUTTON_MENU
 111
 112 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
 113 #define STARFIELD_QUIT BUTTON_POWER
 114
 115 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 116 #define STARFIELD_QUIT BUTTON_BACK
 117 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
 118 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
 119 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
 120 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
 121 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
 122
 123 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 124 #define STARFIELD_QUIT BUTTON_POWER
 125 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
 126 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
 127 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
 128 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
 129 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
 130
 131 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 132 #define STARFIELD_QUIT BUTTON_POWER
 133 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
 134 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
 135 #define STARFIELD_INCREASE_NB_STARS BUTTON_NEXT
 136 #define STARFIELD_DECREASE_NB_STARS BUTTON_PREV
 137 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
 138
 139 #elif (CONFIG_KEYPAD == ONDAVX747_PAD) || (CONFIG_KEYPAD == ONDAVX777_PAD) || (CONFIG_KEYPAD == MROBE500_PAD)
 140 #define STARFIELD_QUIT BUTTON_POWER
 141
 142 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 143 #define STARFIELD_QUIT               BUTTON_FFWD
 144 #define STARFIELD_INCREASE_ZMOVE     BUTTON_UP
 145 #define STARFIELD_DECREASE_ZMOVE     BUTTON_DOWN
 146 #define STARFIELD_INCREASE_NB_STARS  BUTTON_RIGHT
 147 #define STARFIELD_DECREASE_NB_STARS  BUTTON_LEFT
 148 #define STARFIELD_TOGGLE_COLOR       BUTTON_PLAY
 149
 150 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 151 #define STARFIELD_QUIT               BUTTON_REC
 152 #define STARFIELD_INCREASE_ZMOVE     BUTTON_UP
 153 #define STARFIELD_DECREASE_ZMOVE     BUTTON_DOWN
 154 #define STARFIELD_INCREASE_NB_STARS  BUTTON_NEXT
 155 #define STARFIELD_DECREASE_NB_STARS  BUTTON_PREV
 156 #define STARFIELD_TOGGLE_COLOR       BUTTON_PLAY
 157
 158 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 159 #define STARFIELD_QUIT               (BUTTON_REC|BUTTON_PLAY)
 160 #define STARFIELD_INCREASE_ZMOVE     BUTTON_VOL_UP
 161 #define STARFIELD_DECREASE_ZMOVE     BUTTON_VOL_DOWN
 162 #define STARFIELD_INCREASE_NB_STARS  BUTTON_FF
 163 #define STARFIELD_DECREASE_NB_STARS  BUTTON_REW
 164 #define STARFIELD_TOGGLE_COLOR       BUTTON_PLAY
 165
 166 #endif
 167
 168 #ifdef HAVE_TOUCHSCREEN
 169 #ifndef STARFIELD_QUIT
 170 #define STARFIELD_QUIT              BUTTON_TOPLEFT
 171 #endif
 172 #ifndef STARFIELD_INCREASE_ZMOVE
 173 #define STARFIELD_INCREASE_ZMOVE    BUTTON_TOPMIDDLE
 174 #endif
 175 #ifndef STARFIELD_DECREASE_ZMOVE
 176 #define STARFIELD_DECREASE_ZMOVE    BUTTON_BOTTOMMIDDLE
 177 #endif
 178 #ifndef STARFIELD_INCREASE_NB_STARS
 179 #define STARFIELD_INCREASE_NB_STARS BUTTON_MIDRIGHT
 180 #endif
 181 #ifndef STARFIELD_DECREASE_NB_STARS
 182 #define STARFIELD_DECREASE_NB_STARS BUTTON_MIDLEFT
 183 #endif
 184 #ifndef STARFIELD_TOGGLE_COLOR
 185 #define STARFIELD_TOGGLE_COLOR      BUTTON_CENTER
 186 #endif
 187 #endif
 188
 189 #ifndef STARFIELD_QUIT
 190 #define STARFIELD_QUIT BUTTON_OFF
 191 #endif
 192 #ifndef STARFIELD_INCREASE_ZMOVE
 193 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
 194 #endif
 195 #ifndef STARFIELD_DECREASE_ZMOVE
 196 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
 197 #endif
 198 #ifndef STARFIELD_INCREASE_NB_STARS
 199 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
 200 #endif
 201 #ifndef STARFIELD_DECREASE_NB_STARS
 202 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
 203 #endif
 204
 205 #ifndef STARFIELD_TOGGLE_COLOR
 206 #ifdef BUTTON_SELECT
 207 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
 208 #else
 209 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
 210 #endif
 211 #endif
 212 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
 213 #define STARFIELD_RC_QUIT BUTTON_RC_STOP
 214 #endif
 215
 216
 217 #define LCD_CENTER_X (LCD_WIDTH/2)
 218 #define LCD_CENTER_Y (LCD_HEIGHT/2)
 219 #define Z_MAX_DIST 100
 220
 221
 222 #define MAX_STARS (LCD_WIDTH*LCD_HEIGHT*20)/100
 223 #define INIT_STARS 200
 224 #define STARFIELD_INCREASE_STEP 50
 225 #define INIT_SPACE_SPEED 1
 226 #define STAR_MAX_VELOCITY 2
 227 /*
 228  * max 3d coord in the 2d screen :
 229  * example with x
 230  *  x2d=x3d/z+LCD_CENTER_X (+LCD_CENTER_X to center ...)
 231  * so
 232  *  max_x2d=max_x3d/max_z+LCD_CENTER_X
 233  *  max_x3d=(max_x2d-LCD_CENTER_X)*max_z
 234  * with
 235  *  max_x2d = LCD_WIDTH
 236  *  max_z = Z_MAX_DIST
 237  * we have now
 238  * max_x3d=(LCD_WIDTH-LCD_CENTER_X)*Z_MAX_DIST
 239  * max_x3d=LCD_CENTER_X*Z_MAX_DIST
 240  */
 241
 242 #define MAX_INIT_STAR_X LCD_CENTER_X*Z_MAX_DIST
 243 #define MAX_INIT_STAR_Y LCD_CENTER_Y*Z_MAX_DIST
 244
 245 #define MSG_DISP_TIME 30
 246
 247 /*
 248  * Each star's stuffs
 249  */
 250 struct star
 251 {
 252     int x,y,z;
 253     int velocity;
 254 #ifdef HAVE_LCD_COLOR
 255     int color;
 256 #endif
 257 };
 258
 259 static inline void star_init(struct star * star, int z_move, bool color)
 260 {
 261     star->velocity=rb->rand() % STAR_MAX_VELOCITY+1;
 262     /* choose x between -MAX_INIT_STAR_X and MAX_INIT_STAR_X */
 263     star->x=rb->rand() % (2*MAX_INIT_STAR_X)-MAX_INIT_STAR_X;
 264     star->y=rb->rand() % (2*MAX_INIT_STAR_Y)-MAX_INIT_STAR_Y;
 265 #ifdef HAVE_LCD_COLOR
 266     if(color)
 267         star->color=LCD_RGBPACK(rb->rand()%128+128,rb->rand()%128+128,
 268                                 rb->rand()%128+128);
 269     else
 270         star->color=LCD_WHITE;
 271 #else
 272     (void)color;
 273 #endif
 274     if(z_move>=0)
 275         star->z=Z_MAX_DIST;
 276     else
 277         star->z=rb->rand() %Z_MAX_DIST/2+1;
 278 }
 279
 280 static inline void star_move(struct star * star, int z_move, bool color)
 281 {
 282     star->z -= z_move*star->velocity;
 283     if (star->z <= 0 || star->z > Z_MAX_DIST)
 284         star_init(star, z_move, color);
 285 }
 286
 287 static inline void star_draw(struct star * star, int z_move, bool color)
 288 {
 289     int x_draw, y_draw;
 290     /*
 291      * 3d -> 2d : projection on the screen : x2d=x3d/z (thales theorem)
 292      * we put the star in the center of the screen
 293      */
 294     x_draw = star->x / star->z + LCD_CENTER_X;
 295     if (x_draw < 1 || x_draw >= LCD_WIDTH)
 296     {
 297         star_init(star, z_move, color);
 298         return;
 299     }
 300     y_draw  = star->y / star->z + LCD_CENTER_Y;
 301     if (y_draw < 1 || y_draw >= LCD_HEIGHT)
 302     {
 303         star_init(star, z_move, color);
 304         return;
 305     }
 306
 307 #ifdef HAVE_LCD_COLOR
 308     rb->lcd_set_foreground(star->color);
 309 #endif
 310
 311     rb->lcd_drawpixel(x_draw, y_draw);
 312     if(star->z<5*Z_MAX_DIST/6)
 313     {
 314         rb->lcd_drawpixel(x_draw, y_draw - 1);
 315         rb->lcd_drawpixel(x_draw - 1, y_draw);
 316         if(star->z<Z_MAX_DIST/2)
 317         {
 318             rb->lcd_drawpixel(x_draw + 1, y_draw);
 319             rb->lcd_drawpixel(x_draw, y_draw + 1);
 320         }
 321     }
 322 }
 323
 324 /*
 325  * Whole starfield operations
 326  */
 327 struct starfield
 328 {
 329     struct star tab[MAX_STARS];
 330     int nb_stars;
 331     int z_move;
 332     bool color;
 333 };
 334
 335 static inline void starfield_init(struct starfield * starfield)
 336 {
 337     starfield->nb_stars=0;
 338     starfield->z_move=INIT_SPACE_SPEED;
 339     starfield->color=false;
 340 }
 341
 342 static inline void starfield_add_stars(struct starfield * starfield,
 343                                        int nb_to_add)
 344 {
 345     int i, old_nb_stars;
 346     old_nb_stars=starfield->nb_stars;
 347     starfield->nb_stars+=nb_to_add;
 348
 349     if(starfield->nb_stars > MAX_STARS)
 350         starfield->nb_stars=MAX_STARS;
 351
 352     for( i=old_nb_stars ; i < starfield->nb_stars ; ++i )
 353     {
 354         star_init( &(starfield->tab[i]), starfield->z_move, starfield->color );
 355     }
 356 }
 357
 358 static inline void starfield_del_stars(struct starfield * starfield,
 359                                        int nb_to_add)
 360 {
 361     starfield->nb_stars-=nb_to_add;
 362     if(starfield->nb_stars<0)
 363         starfield->nb_stars=0;
 364 }
 365
 366 static inline void starfield_move_and_draw(struct starfield * starfield)
 367 {
 368     int i;
 369     for(i=0;i<starfield->nb_stars;++i)
 370     {
 371         star_move(&(starfield->tab[i]), starfield->z_move, starfield->color);
 372         star_draw(&(starfield->tab[i]), starfield->z_move, starfield->color);
 373     }
 374 }
 375
 376 static struct starfield starfield;
 377
 378 int plugin_main(void)
 379 {
 380     int button, avg_peak, t_disp=0;
 381     int font_h, font_w;
 382     bool pulse=true;
 383     rb->lcd_getstringsize("A", &font_w, &font_h);
 384     starfield_init(&starfield);
 385     starfield_add_stars(&starfield, INIT_STARS);
 386
 387 #if LCD_DEPTH > 1
 388      rb->lcd_set_backdrop(NULL);
 389 #endif
 390 #ifdef HAVE_LCD_COLOR
 391     rb->lcd_set_background(LCD_BLACK);
 392     rb->lcd_set_foreground(LCD_WHITE);
 393 #endif
 394
 395     while (true)
 396     {
 397         rb->sleep(1);
 398         rb->lcd_clear_display();
 399
 400 #if ((CONFIG_CODEC == SWCODEC)  || !defined(SIMULATOR) && \
 401     ((CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)))
 402
 403         /* This will make the stars pulse to the music */
 404         if(pulse){
 405
 406             /* Get the peaks. ( Borrowed from vu_meter ) */
 407 #if (CONFIG_CODEC == SWCODEC)
 408             int left_peak, right_peak;
 409             rb->pcm_calculate_peaks(&left_peak, &right_peak);
 410 #else
 411             int left_peak = rb->mas_codec_readreg(0xC);
 412             int right_peak = rb->mas_codec_readreg(0xD);
 413 #endif
 414             /* Devide peak data by 4098 to bring the max
 415                value down from ~32k to 8 */
 416             left_peak  =    left_peak/0x1000;
 417             right_peak =    right_peak/0x1000;
 418
 419             /* Make sure they dont stop */
 420             if(left_peak<0x1)
 421                 left_peak     = 0x1;
 422             if(right_peak<0x1)
 423                 right_peak    = 0x1;
 424
 425             /* And make sure they dont go over 8 */
 426             if(left_peak>0x8)
 427                 left_peak     = 0x8;
 428             if(right_peak>0x8)
 429                 right_peak    = 0x8;
 430
 431             /* We need the average of both chanels */
 432             avg_peak     = ( left_peak + right_peak )/2;
 433
 434             /* Set the speed to the peak meter */
 435             starfield.z_move = avg_peak;
 436
 437         } /* if pulse */
 438 #else
 439         (void) avg_peak;
 440 #endif
 441         starfield_move_and_draw(&starfield);
 442
 443 #ifdef HAVE_LCD_COLOR
 444         rb->lcd_set_foreground(LCD_WHITE);
 445 #endif
 446
 447         /* if a parameter is updated (by the user), we must print it */
 448         if (t_disp > 0)
 449         {
 450             --t_disp;
 451 #ifdef HAVE_LCD_COLOR
 452             rb->lcd_set_foreground(LCD_WHITE);
 453 #endif
 454             rb->lcd_putsxyf(0, LCD_HEIGHT-font_h, "star:%d speed:%d",
 455                            starfield.nb_stars, starfield.z_move);
 456         }
 457         rb->lcd_update();
 458
 459         button = rb->button_get(false);
 460         switch(button)
 461         {
 462             case (STARFIELD_INCREASE_ZMOVE):
 463             case (STARFIELD_INCREASE_ZMOVE | BUTTON_REPEAT):
 464                 ++(starfield.z_move);
 465                 pulse=false;
 466                 t_disp=MSG_DISP_TIME;
 467                 break;
 468             case (STARFIELD_DECREASE_ZMOVE):
 469             case (STARFIELD_DECREASE_ZMOVE | BUTTON_REPEAT):
 470                 --(starfield.z_move);
 471                 pulse=false;
 472                 t_disp=MSG_DISP_TIME;
 473                 break;
 474             case(STARFIELD_INCREASE_NB_STARS):
 475             case(STARFIELD_INCREASE_NB_STARS | BUTTON_REPEAT):
 476                 starfield_add_stars(&starfield, STARFIELD_INCREASE_STEP);
 477                 t_disp=MSG_DISP_TIME;
 478                 break;
 479             case(STARFIELD_DECREASE_NB_STARS):
 480             case(STARFIELD_DECREASE_NB_STARS | BUTTON_REPEAT):
 481                 starfield_del_stars(&starfield, STARFIELD_INCREASE_STEP);
 482                 t_disp=MSG_DISP_TIME;
 483                 break;
 484 #ifdef HAVE_LCD_COLOR
 485             case(STARFIELD_TOGGLE_COLOR):
 486                 starfield.color=!starfield.color;
 487                 break;
 488 #endif
 489 #ifdef STARFIELD_RC_QUIT
 490             case STARFIELD_RC_QUIT:
 491 #endif
 492             case(STARFIELD_QUIT):
 493                 return PLUGIN_OK;
 494                 break;
 495             default:
 496                 exit_on_usb(button);
 497                 break;
 498         }
 499     }
 500 }
 501
 502 /*************************** Plugin entry point ****************************/
 503
 504 enum plugin_status plugin_start(const void* parameter)
 505 {
 506     int ret;
 507
 508     (void)parameter;
 509     /* Turn off backlight timeout */
 510     backlight_force_on(); /* backlight control in lib/helper.c */
 511
 512     ret = plugin_main();
 513
 514     /* Turn on backlight timeout (revert to settings) */
 515     backlight_use_settings(); /* backlight control in lib/helper.c*/
 516
 517     return ret;
 518 }