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-rw-r--r--uisimulator/common/lcd-playersim.c684
1 files changed, 684 insertions, 0 deletions
diff --git a/uisimulator/common/lcd-playersim.c b/uisimulator/common/lcd-playersim.c
new file mode 100644
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+++ b/uisimulator/common/lcd-playersim.c
@@ -0,0 +1,684 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2002 by Alan Korr
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "config.h"
20
21#ifdef HAVE_LCD_BITMAP
22
23#include "lcd.h"
24#include "kernel.h"
25#include "thread.h"
26#include <string.h>
27#include <stdlib.h>
28#include "file.h"
29#include "debug.h"
30#include "system.h"
31#include "font.h"
32
33/*** definitions ***/
34
35#define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00)
36#define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10)
37#define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20)
38#define LCD_SET_POWER_CONTROL_REGISTER ((char)0x28)
39#define LCD_SET_DISPLAY_START_LINE ((char)0x40)
40#define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81)
41#define LCD_SET_SEGMENT_REMAP ((char)0xA0)
42#define LCD_SET_LCD_BIAS ((char)0xA2)
43#define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4)
44#define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5)
45#define LCD_SET_NORMAL_DISPLAY ((char)0xA6)
46#define LCD_SET_REVERSE_DISPLAY ((char)0xA7)
47#define LCD_SET_INDICATOR_OFF ((char)0xAC)
48#define LCD_SET_INDICATOR_ON ((char)0xAD)
49#define LCD_SET_DISPLAY_OFF ((char)0xAE)
50#define LCD_SET_DISPLAY_ON ((char)0xAF)
51#define LCD_SET_PAGE_ADDRESS ((char)0xB0)
52#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0)
53#define LCD_SET_DISPLAY_OFFSET ((char)0xD3)
54#define LCD_SET_READ_MODIFY_WRITE_MODE ((char)0xE0)
55#define LCD_SOFTWARE_RESET ((char)0xE2)
56#define LCD_NOP ((char)0xE3)
57#define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE ((char)0xEE)
58
59/* LCD command codes */
60#define LCD_CNTL_RESET 0xe2 // Software reset
61#define LCD_CNTL_POWER 0x2f // Power control
62#define LCD_CNTL_CONTRAST 0x81 // Contrast
63#define LCD_CNTL_OUTSCAN 0xc8 // Output scan direction
64#define LCD_CNTL_SEGREMAP 0xa1 // Segment remap
65#define LCD_CNTL_DISPON 0xaf // Display on
66
67#define LCD_CNTL_PAGE 0xb0 // Page address
68#define LCD_CNTL_HIGHCOL 0x10 // Upper column address
69#define LCD_CNTL_LOWCOL 0x00 // Lower column address
70
71#define SCROLL_SPACING 3
72
73struct scrollinfo {
74 char line[MAX_PATH + LCD_WIDTH/2 + SCROLL_SPACING + 2];
75 int len; /* length of line in chars */
76 int width; /* length of line in pixels */
77 int offset;
78 int startx;
79 int starty;
80};
81
82static void scroll_thread(void);
83static char scroll_stack[DEFAULT_STACK_SIZE];
84static char scroll_name[] = "scroll";
85static char scroll_speed = 8; /* updates per second */
86static char scroll_step = 6; /* pixels per scroll step */
87static struct scrollinfo scroll; /* only one scroll line at the moment */
88static int scroll_count = 0;
89static int xmargin = 0;
90static int ymargin = 0;
91static int curfont = FONT_SYSFIXED;
92
93#ifdef SIMULATOR
94unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
95#else
96static unsigned char lcd_framebuffer[LCD_WIDTH][LCD_HEIGHT/8];
97#endif
98
99/* All zeros and ones bitmaps for area filling */
100static unsigned char zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
101static unsigned char ones[8] = { 0xff, 0xff, 0xff, 0xff,
102 0xff, 0xff, 0xff, 0xff};
103
104void lcd_init(void)
105{
106 create_thread(scroll_thread, scroll_stack,
107 sizeof(scroll_stack), scroll_name);
108}
109void lcd_clear_display (void)
110{
111 memset (lcd_framebuffer, 0, sizeof lcd_framebuffer);
112}
113
114void lcd_setmargins(int x, int y)
115{
116 xmargin = x;
117 ymargin = y;
118}
119
120int lcd_getxmargin(void)
121{
122 return xmargin;
123}
124
125int lcd_getymargin(void)
126{
127 return ymargin;
128}
129
130void lcd_setfont(int newfont)
131{
132 curfont = newfont;
133}
134
135int lcd_getstringsize(unsigned char *str, int *w, int *h)
136{
137 struct font* pf = font_get(curfont);
138 int ch;
139 int width = 0;
140
141 while((ch = *str++)) {
142 /* check input range*/
143 if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
144 ch = pf->defaultchar;
145 ch -= pf->firstchar;
146
147 /* get proportional width and glyph bits*/
148 width += pf->width? pf->width[ch]: pf->maxwidth;
149 }
150 if ( w )
151 *w = width;
152 if ( h )
153 *h = pf->height;
154
155 return width;
156}
157
158/* put a string at a given char position */
159void lcd_puts(int x, int y, unsigned char *str)
160{
161 int xpos,ypos,w,h;
162
163#if defined(HAVE_LCD_CHARCELLS)
164 /* We make the simulator truncate the string if it reaches the right edge,
165 as otherwise it'll wrap. The real target doesn't wrap. */
166
167 char buffer[12];
168 if(strlen(str)+x > 11 ) {
169 strncpy(buffer, str, sizeof buffer);
170 buffer[11-x]=0;
171 str = buffer;
172 }
173 xmargin = 0;
174 ymargin = 8;
175#endif
176
177 if(!str || !str[0])
178 return;
179
180 lcd_getstringsize(str, &w, &h);
181 xpos = xmargin + x*w / strlen(str);
182 ypos = ymargin + y*h;
183 lcd_putsxy(xpos, ypos, str);
184 /* lcd_clearrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h); */
185
186#if defined(HAVE_LCD_CHARCELLS)
187 /* this function is being used when simulating a charcell LCD and
188 then we update immediately */
189 lcd_update();
190#endif
191}
192
193extern char* get_lcd_pattern(int width);
194
195/* put a string at a given pixel position, skipping first ofs pixel columns */
196static void lcd_putsxyofs(int x, int y, int ofs, unsigned char *str)
197{
198 int ch;
199 struct font* pf = font_get(curfont);
200
201 while ((ch = *str++) != '\0' && x < LCD_WIDTH)
202 {
203 int width;
204
205 /* check input range */
206 if (ch < pf->firstchar || ch >= pf->firstchar+pf->size)
207#ifndef SIMULATOR
208 ch = pf->defaultchar;
209#else
210 {
211 if (ch > 8)
212 ch = pf->defaultchar;
213 else
214 {
215 char* bm = get_lcd_pattern(ch);
216 width = 6;
217 lcd_bitmap(bm, x, y, width, 8, true);
218 x += width;
219 continue;
220 }
221 }
222#endif
223 ch -= pf->firstchar;
224
225 /* no partial-height drawing for now... */
226 if (y + pf->height > LCD_HEIGHT)
227 break;
228
229 /* get proportional width and glyph bits */
230 width = pf->width ? pf->width[ch] : pf->maxwidth;
231 width = MIN (width, LCD_WIDTH - x);
232
233 if (ofs != 0)
234 {
235 if (ofs > width)
236 {
237 ofs -= width;
238 continue;
239 }
240 width -= ofs;
241 }
242
243 if (width > 0)
244 {
245 int rows = (pf->height + 7) / 8;
246 bitmap_t* bits = pf->bits +
247 (pf->offset ? pf->offset[ch] : (pf->height * ch));
248 lcd_bitmap (((unsigned char*) bits) + ofs*rows, x, y,
249 width, pf->height, true);
250 x += width;
251 }
252 ofs = 0;
253 }
254}
255
256/* put a string at a given pixel position */
257void lcd_putsxy(int x, int y, unsigned char *str)
258{
259 lcd_putsxyofs(x, y, 0, str);
260}
261
262/*
263 * All bitmaps have this format:
264 * Bits within a byte are arranged veritcally, LSB at top.
265 * Bytes are stored in column-major format, with byte 0 at top left,
266 * byte 1 is 2nd from top, etc. Bytes following left-most column
267 * starts 2nd left column, etc.
268 *
269 * Note: The HW takes bitmap bytes in row-major order.
270 *
271 * Memory copy of display bitmap
272 */
273
274/*
275 * Draw a bitmap at (x, y), size (nx, ny)
276 * if 'clear' is true, clear destination area first
277 */
278void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
279 bool clear) __attribute__ ((section (".icode")));
280void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
281 bool clear)
282{
283 unsigned char *dst;
284 unsigned char *dst2;
285 unsigned int data, mask, mask2, mask3, mask4;
286 int shift;
287
288 if (((unsigned)x >= LCD_WIDTH) || ((unsigned)y >= LCD_HEIGHT))
289 return;
290 if (((unsigned)(x + nx)) >= LCD_WIDTH)
291 nx = LCD_WIDTH - x;
292 if (((unsigned)(y + ny)) >= LCD_HEIGHT)
293 ny = LCD_HEIGHT - y;
294
295 shift = y & 7;
296 dst2 = &lcd_framebuffer[x][y/8];
297 ny += shift;
298
299 /* Calculate bit masks */
300 mask4 = ~(0xfe << ((ny-1) & 7));
301 if (clear)
302 {
303 mask = ~(0xff << shift);
304 mask2 = 0;
305 mask3 = ~mask4;
306 if (ny <= 8)
307 mask3 |= mask;
308 }
309 else
310 mask = mask2 = mask3 = 0xff;
311
312 /* Loop for each column */
313 for (x = 0; x < nx; x++)
314 {
315 dst = dst2;
316 dst2 += LCD_HEIGHT/8;
317 data = 0;
318 y = 0;
319
320 if (ny > 8)
321 {
322 /* First partial row */
323 data = *src++ << shift;
324 *dst = (*dst & mask) | data;
325 data >>= 8;
326 dst++;
327
328 /* Intermediate rows */
329 for (y = 8; y < ny-8; y += 8)
330 {
331 data |= *src++ << shift;
332 *dst = (*dst & mask2) | data;
333 data >>= 8;
334 dst++;
335 }
336 }
337
338 /* Last partial row */
339 if (y + shift < ny)
340 data |= *src++ << shift;
341 *dst = (*dst & mask3) | (data & mask4);
342 }
343}
344
345/*
346 * Draw a rectangle with upper left corner at (x, y)
347 * and size (nx, ny)
348 */
349void lcd_drawrect (int x, int y, int nx, int ny)
350{
351 int i;
352
353 if (x > LCD_WIDTH)
354 return;
355 if (y > LCD_HEIGHT)
356 return;
357
358 if (x + nx > LCD_WIDTH)
359 nx = LCD_WIDTH - x;
360 if (y + ny > LCD_HEIGHT)
361 ny = LCD_HEIGHT - y;
362
363 /* vertical lines */
364 for (i = 0; i < ny; i++) {
365 DRAW_PIXEL(x, (y + i));
366 DRAW_PIXEL((x + nx - 1), (y + i));
367 }
368
369 /* horizontal lines */
370 for (i = 0; i < nx; i++) {
371 DRAW_PIXEL((x + i),y);
372 DRAW_PIXEL((x + i),(y + ny - 1));
373 }
374}
375
376/*
377 * Clear a rectangular area at (x, y), size (nx, ny)
378 */
379void lcd_clearrect (int x, int y, int nx, int ny)
380{
381 int i;
382 for (i = 0; i < nx; i++)
383 lcd_bitmap (zeros, x+i, y, 1, ny, true);
384}
385
386/*
387 * Fill a rectangular area at (x, y), size (nx, ny)
388 */
389void lcd_fillrect (int x, int y, int nx, int ny)
390{
391 int i;
392 for (i = 0; i < nx; i++)
393 lcd_bitmap (ones, x+i, y, 1, ny, true);
394}
395
396/* Invert a rectangular area at (x, y), size (nx, ny) */
397void lcd_invertrect (int x, int y, int nx, int ny)
398{
399 int i, j;
400
401 if (x > LCD_WIDTH)
402 return;
403 if (y > LCD_HEIGHT)
404 return;
405
406 if (x + nx > LCD_WIDTH)
407 nx = LCD_WIDTH - x;
408 if (y + ny > LCD_HEIGHT)
409 ny = LCD_HEIGHT - y;
410
411 for (i = 0; i < nx; i++)
412 for (j = 0; j < ny; j++)
413 INVERT_PIXEL((x + i), (y + j));
414}
415
416void lcd_drawline( int x1, int y1, int x2, int y2 )
417{
418 int numpixels;
419 int i;
420 int deltax, deltay;
421 int d, dinc1, dinc2;
422 int x, xinc1, xinc2;
423 int y, yinc1, yinc2;
424
425 deltax = abs(x2 - x1);
426 deltay = abs(y2 - y1);
427
428 if(deltax >= deltay)
429 {
430 numpixels = deltax;
431 d = 2 * deltay - deltax;
432 dinc1 = deltay * 2;
433 dinc2 = (deltay - deltax) * 2;
434 xinc1 = 1;
435 xinc2 = 1;
436 yinc1 = 0;
437 yinc2 = 1;
438 }
439 else
440 {
441 numpixels = deltay;
442 d = 2 * deltax - deltay;
443 dinc1 = deltax * 2;
444 dinc2 = (deltax - deltay) * 2;
445 xinc1 = 0;
446 xinc2 = 1;
447 yinc1 = 1;
448 yinc2 = 1;
449 }
450 numpixels++; /* include endpoints */
451
452 if(x1 > x2)
453 {
454 xinc1 = -xinc1;
455 xinc2 = -xinc2;
456 }
457
458 if(y1 > y2)
459 {
460 yinc1 = -yinc1;
461 yinc2 = -yinc2;
462 }
463
464 x = x1;
465 y = y1;
466
467 for(i=0; i<numpixels; i++)
468 {
469 DRAW_PIXEL(x,y);
470
471 if(d < 0)
472 {
473 d += dinc1;
474 x += xinc1;
475 y += yinc1;
476 }
477 else
478 {
479 d += dinc2;
480 x += xinc2;
481 y += yinc2;
482 }
483 }
484}
485
486void lcd_clearline( int x1, int y1, int x2, int y2 )
487{
488 int numpixels;
489 int i;
490 int deltax, deltay;
491 int d, dinc1, dinc2;
492 int x, xinc1, xinc2;
493 int y, yinc1, yinc2;
494
495 deltax = abs(x2 - x1);
496 deltay = abs(y2 - y1);
497
498 if(deltax >= deltay)
499 {
500 numpixels = deltax;
501 d = 2 * deltay - deltax;
502 dinc1 = deltay * 2;
503 dinc2 = (deltay - deltax) * 2;
504 xinc1 = 1;
505 xinc2 = 1;
506 yinc1 = 0;
507 yinc2 = 1;
508 }
509 else
510 {
511 numpixels = deltay;
512 d = 2 * deltax - deltay;
513 dinc1 = deltax * 2;
514 dinc2 = (deltax - deltay) * 2;
515 xinc1 = 0;
516 xinc2 = 1;
517 yinc1 = 1;
518 yinc2 = 1;
519 }
520 numpixels++; /* include endpoints */
521
522 if(x1 > x2)
523 {
524 xinc1 = -xinc1;
525 xinc2 = -xinc2;
526 }
527
528 if(y1 > y2)
529 {
530 yinc1 = -yinc1;
531 yinc2 = -yinc2;
532 }
533
534 x = x1;
535 y = y1;
536
537 for(i=0; i<numpixels; i++)
538 {
539 CLEAR_PIXEL(x,y);
540
541 if(d < 0)
542 {
543 d += dinc1;
544 x += xinc1;
545 y += yinc1;
546 }
547 else
548 {
549 d += dinc2;
550 x += xinc2;
551 y += yinc2;
552 }
553 }
554}
555
556/*
557 * Set a single pixel
558 */
559void lcd_drawpixel(int x, int y)
560{
561 DRAW_PIXEL(x,y);
562}
563
564/*
565 * Clear a single pixel
566 */
567void lcd_clearpixel(int x, int y)
568{
569 CLEAR_PIXEL(x,y);
570}
571
572/*
573 * Invert a single pixel
574 */
575void lcd_invertpixel(int x, int y)
576{
577 INVERT_PIXEL(x,y);
578}
579
580void lcd_puts_scroll(int x, int y, unsigned char* string )
581{
582 struct scrollinfo* s = &scroll;
583 int w, h;
584
585 lcd_puts(x,y,string);
586 lcd_getstringsize(string, &w, &h);
587
588 if (LCD_WIDTH - x*8 - xmargin < w)
589 {
590 /* prepare scroll line */
591 char *end;
592
593 memset(s->line, 0, sizeof s->line);
594 strcpy(s->line, string);
595 strcat(s->line, " ");
596 /* get new width incl. spaces */
597 s->width = lcd_getstringsize(s->line, &w, &h);
598
599 for (end = s->line; *end; end++);
600 strncpy(end, string, LCD_WIDTH/2);
601
602 s->len = strlen(string);
603 s->offset = 0;
604 s->startx = x;
605 s->starty = y;
606 scroll_count = 1;
607 }
608}
609
610
611void lcd_stop_scroll(void)
612{
613 if ( scroll_count ) {
614 int w,h;
615 struct scrollinfo* s = &scroll;
616 scroll_count = 0;
617
618 lcd_getstringsize(s->line, &w, &h);
619 lcd_clearrect(xmargin + s->startx*w/s->len,
620 ymargin + s->starty*h,
621 LCD_WIDTH - xmargin,
622 h);
623
624 /* restore scrolled row */
625 lcd_puts(s->startx,s->starty,s->line);
626 lcd_update();
627 }
628}
629
630void lcd_scroll_pause(void)
631{
632 scroll_count = 0;
633}
634
635void lcd_scroll_resume(void)
636{
637 scroll_count = 1;
638}
639
640void lcd_scroll_speed(int speed)
641{
642 scroll_step = speed;
643}
644
645static void scroll_thread(void)
646{
647 struct scrollinfo* s = &scroll;
648
649 while ( 1 ) {
650 if ( !scroll_count ) {
651 yield();
652 continue;
653 }
654 /* wait 0.5s before starting scroll */
655 if ( scroll_count < scroll_speed/2 )
656 scroll_count++;
657 else {
658 int w, h;
659 int xpos, ypos;
660
661 s->offset += scroll_step;
662
663 if (s->offset >= s->width)
664 s->offset %= s->width;
665
666 lcd_getstringsize(s->line, &w, &h);
667 xpos = xmargin + (s->startx-1) * w / s->len;
668 ypos = ymargin + s->starty * h;
669
670 lcd_clearrect(xpos, ypos, LCD_WIDTH - xmargin, h);
671 lcd_putsxyofs(xpos, ypos, s->offset, s->line);
672 lcd_update();
673 }
674 sleep(HZ/scroll_speed);
675 }
676}
677
678#endif
679
680/* -----------------------------------------------------------------
681 * local variables:
682 * eval: (load-file "../rockbox-mode.el")
683 * end:
684 */