1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
8 * Copyright (C) 2005 Kevin Ferrare
10 * All files in this archive are subject to the GNU General Public License.
11 * See the file COPYING in the source tree root for full license agreement.
13 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
14 * KIND, either express or implied.
16 ****************************************************************************/
21 #ifdef HAVE_LCD_BITMAP /* and also not for the Player */
25 /******************************* Globals ***********************************/
27 static struct plugin_api
* rb
; /* global api struct pointer */
30 #if (CONFIG_KEYPAD == IPOD_4G_PAD) || \
31 (CONFIG_KEYPAD == IPOD_3G_PAD) || \
32 (CONFIG_KEYPAD == IPOD_1G2G_PAD)
33 #define STARFIELD_QUIT BUTTON_MENU
34 #define STARFIELD_INCREASE_ZMOVE BUTTON_SCROLL_FWD
35 #define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_BACK
36 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
37 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
38 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
39 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
40 #define STARFIELD_QUIT BUTTON_POWER
41 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
42 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
43 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
44 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
45 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
46 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
47 #define STARFIELD_QUIT BUTTON_POWER
48 #define STARFIELD_INCREASE_ZMOVE BUTTON_SCROLL_UP
49 #define STARFIELD_DECREASE_ZMOVE BUTTON_SCROLL_DOWN
50 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
51 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
52 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
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 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
61 (CONFIG_KEYPAD == SANSA_C200_PAD)
62 #define STARFIELD_QUIT BUTTON_POWER
63 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
64 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
65 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
66 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
67 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
68 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
69 #define STARFIELD_QUIT BUTTON_BACK
70 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
71 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
72 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
73 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
74 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
75 #elif (CONFIG_KEYPAD == MROBE100_PAD)
76 #define STARFIELD_QUIT BUTTON_POWER
77 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
78 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
79 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
80 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
81 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
82 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
83 #define STARFIELD_QUIT BUTTON_RC_REC
84 #define STARFIELD_INCREASE_ZMOVE BUTTON_RC_VOL_UP
85 #define STARFIELD_DECREASE_ZMOVE BUTTON_RC_VOL_DOWN
86 #define STARFIELD_INCREASE_NB_STARS BUTTON_RC_FF
87 #define STARFIELD_DECREASE_NB_STARS BUTTON_RC_REW
88 #define STARFIELD_TOGGLE_COLOR BUTTON_RC_MODE
89 #elif (CONFIG_KEYPAD == COWOND2_PAD)
90 #define STARFIELD_QUIT BUTTON_POWER
91 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
92 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
93 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
94 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
95 #define STARFIELD_TOGGLE_COLOR BUTTON_MENU
98 #define STARFIELD_QUIT BUTTON_OFF
99 #define STARFIELD_INCREASE_ZMOVE BUTTON_UP
100 #define STARFIELD_DECREASE_ZMOVE BUTTON_DOWN
101 #define STARFIELD_INCREASE_NB_STARS BUTTON_RIGHT
102 #define STARFIELD_DECREASE_NB_STARS BUTTON_LEFT
104 #define STARFIELD_TOGGLE_COLOR BUTTON_SELECT
106 #define STARFIELD_TOGGLE_COLOR BUTTON_PLAY
108 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
109 #define STARFIELD_RC_QUIT BUTTON_RC_STOP
114 #define LCD_CENTER_X (LCD_WIDTH/2)
115 #define LCD_CENTER_Y (LCD_HEIGHT/2)
116 #define Z_MAX_DIST 100
119 #define MAX_STARS (LCD_WIDTH*LCD_HEIGHT*20)/100
120 #define INIT_STARS 200
121 #define STARFIELD_INCREASE_STEP 50
122 #define INIT_SPACE_SPEED 1
123 #define STAR_MAX_VELOCITY 2
125 * max 3d coord in the 2d screen :
127 * x2d=x3d/z+LCD_CENTER_X (+LCD_CENTER_X to center ...)
129 * max_x2d=max_x3d/max_z+LCD_CENTER_X
130 * max_x3d=(max_x2d-LCD_CENTER_X)*max_z
132 * max_x2d = LCD_WIDTH
135 * max_x3d=(LCD_WIDTH-LCD_CENTER_X)*Z_MAX_DIST
136 * max_x3d=LCD_CENTER_X*Z_MAX_DIST
139 #define MAX_INIT_STAR_X LCD_CENTER_X*Z_MAX_DIST
140 #define MAX_INIT_STAR_Y LCD_CENTER_Y*Z_MAX_DIST
142 #define MSG_DISP_TIME 30
144 static struct plugin_api
* rb
; /* global api struct pointer */
153 #ifdef HAVE_LCD_COLOR
158 static inline void star_init(struct star
* star
, int z_move
, bool color
)
160 star
->velocity
=rb
->rand() % STAR_MAX_VELOCITY
+1;
161 /* choose x between -MAX_INIT_STAR_X and MAX_INIT_STAR_X */
162 star
->x
=rb
->rand() % (2*MAX_INIT_STAR_X
)-MAX_INIT_STAR_X
;
163 star
->y
=rb
->rand() % (2*MAX_INIT_STAR_Y
)-MAX_INIT_STAR_Y
;
164 #ifdef HAVE_LCD_COLOR
166 star
->color
=LCD_RGBPACK(rb
->rand()%128+128,rb
->rand()%128+128,
169 star
->color
=LCD_WHITE
;
176 star
->z
=rb
->rand() %Z_MAX_DIST
/2+1;
179 static inline void star_move(struct star
* star
, int z_move
, bool color
)
181 star
->z
-= z_move
*star
->velocity
;
182 if (star
->z
<= 0 || star
->z
> Z_MAX_DIST
)
183 star_init(star
, z_move
, color
);
186 static inline void star_draw(struct star
* star
, int z_move
, bool color
)
190 * 3d -> 2d : projection on the screen : x2d=x3d/z (thales theorem)
191 * we put the star in the center of the screen
193 x_draw
= star
->x
/ star
->z
+ LCD_CENTER_X
;
194 if (x_draw
< 1 || x_draw
>= LCD_WIDTH
)
196 star_init(star
, z_move
, color
);
199 y_draw
= star
->y
/ star
->z
+ LCD_CENTER_Y
;
200 if (y_draw
< 1 || y_draw
>= LCD_HEIGHT
)
202 star_init(star
, z_move
, color
);
206 #ifdef HAVE_LCD_COLOR
207 rb
->lcd_set_foreground(star
->color
);
210 rb
->lcd_drawpixel(x_draw
, y_draw
);
211 if(star
->z
<5*Z_MAX_DIST
/6)
213 rb
->lcd_drawpixel(x_draw
, y_draw
- 1);
214 rb
->lcd_drawpixel(x_draw
- 1, y_draw
);
215 if(star
->z
<Z_MAX_DIST
/2)
217 rb
->lcd_drawpixel(x_draw
+ 1, y_draw
);
218 rb
->lcd_drawpixel(x_draw
, y_draw
+ 1);
224 * Whole starfield operations
228 struct star tab
[MAX_STARS
];
234 static inline void starfield_init(struct starfield
* starfield
)
236 starfield
->nb_stars
=0;
237 starfield
->z_move
=INIT_SPACE_SPEED
;
238 starfield
->color
=false;
241 static inline void starfield_add_stars(struct starfield
* starfield
,
245 old_nb_stars
=starfield
->nb_stars
;
246 starfield
->nb_stars
+=nb_to_add
;
248 if(starfield
->nb_stars
> MAX_STARS
)
249 starfield
->nb_stars
=MAX_STARS
;
251 for( i
=old_nb_stars
; i
< starfield
->nb_stars
; ++i
)
253 star_init( &(starfield
->tab
[i
]), starfield
->z_move
, starfield
->color
);
257 static inline void starfield_del_stars(struct starfield
* starfield
,
260 starfield
->nb_stars
-=nb_to_add
;
261 if(starfield
->nb_stars
<0)
262 starfield
->nb_stars
=0;
265 static inline void starfield_move_and_draw(struct starfield
* starfield
)
268 for(i
=0;i
<starfield
->nb_stars
;++i
)
270 star_move(&(starfield
->tab
[i
]), starfield
->z_move
, starfield
->color
);
271 star_draw(&(starfield
->tab
[i
]), starfield
->z_move
, starfield
->color
);
275 static struct starfield starfield
;
277 int plugin_main(void)
280 int button
, avg_peak
, t_disp
=0;
283 rb
->lcd_getstringsize("A", &font_w
, &font_h
);
284 starfield_init(&starfield
);
285 starfield_add_stars(&starfield
, INIT_STARS
);
288 rb
->lcd_set_backdrop(NULL
);
290 #ifdef HAVE_LCD_COLOR
291 rb
->lcd_set_background(LCD_BLACK
);
292 rb
->lcd_set_foreground(LCD_WHITE
);
298 rb
->lcd_clear_display();
300 #if ((CONFIG_CODEC == SWCODEC) || !defined(SIMULATOR) && \
301 ((CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)))
303 /* This will make the stars pulse to the music */
306 /* Get the peaks. ( Borrowed from vu_meter ) */
307 #if (CONFIG_CODEC == SWCODEC)
308 int left_peak
, right_peak
;
309 rb
->pcm_calculate_peaks(&left_peak
, &right_peak
);
311 int left_peak
= rb
->mas_codec_readreg(0xC);
312 int right_peak
= rb
->mas_codec_readreg(0xD);
314 /* Devide peak data by 4098 to bring the max
315 value down from ~32k to 8 */
316 left_peak
= left_peak
/0x1000;
317 right_peak
= right_peak
/0x1000;
319 /* Make sure they dont stop */
325 /* And make sure they dont go over 8 */
331 /* We need the average of both chanels */
332 avg_peak
= ( left_peak
+ right_peak
)/2;
334 /* Set the speed to the peak meter */
335 starfield
.z_move
= avg_peak
;
341 starfield_move_and_draw(&starfield
);
343 #ifdef HAVE_LCD_COLOR
344 rb
->lcd_set_foreground(LCD_WHITE
);
347 /* if a parameter is updated (by the user), we must print it */
351 rb
->snprintf(str_buffer
, sizeof(str_buffer
),
355 #ifdef HAVE_LCD_COLOR
356 rb
->lcd_set_foreground(LCD_WHITE
);
358 rb
->lcd_putsxy(0, LCD_HEIGHT
-font_h
, str_buffer
);
362 button
= rb
->button_get(false);
365 case (STARFIELD_INCREASE_ZMOVE
):
366 case (STARFIELD_INCREASE_ZMOVE
| BUTTON_REPEAT
):
367 ++(starfield
.z_move
);
369 t_disp
=MSG_DISP_TIME
;
371 case (STARFIELD_DECREASE_ZMOVE
):
372 case (STARFIELD_DECREASE_ZMOVE
| BUTTON_REPEAT
):
373 --(starfield
.z_move
);
375 t_disp
=MSG_DISP_TIME
;
377 case(STARFIELD_INCREASE_NB_STARS
):
378 case(STARFIELD_INCREASE_NB_STARS
| BUTTON_REPEAT
):
379 starfield_add_stars(&starfield
, STARFIELD_INCREASE_STEP
);
380 t_disp
=MSG_DISP_TIME
;
382 case(STARFIELD_DECREASE_NB_STARS
):
383 case(STARFIELD_DECREASE_NB_STARS
| BUTTON_REPEAT
):
384 starfield_del_stars(&starfield
, STARFIELD_INCREASE_STEP
);
385 t_disp
=MSG_DISP_TIME
;
387 #ifdef HAVE_LCD_COLOR
388 case(STARFIELD_TOGGLE_COLOR
):
389 starfield
.color
=!starfield
.color
;
392 #ifdef STARFIELD_RC_QUIT
393 case STARFIELD_RC_QUIT
:
395 case(STARFIELD_QUIT
):
396 case(SYS_USB_CONNECTED
):
397 /* Turn on backlight timeout (revert to settings) */
398 backlight_use_settings(rb
); /* backlight control in lib/helper.c*/
405 /*************************** Plugin entry point ****************************/
407 enum plugin_status
plugin_start(struct plugin_api
* api
, void* parameter
)
411 rb
= api
; /* copy to global api pointer */
413 /* Turn off backlight timeout */
414 backlight_force_on(rb
); /* backlight control in lib/helper.c */
421 #endif /* #ifdef HAVE_LCD_BITMAP */