1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/ginput/ginput_mouse.c
* @brief GINPUT mouse/touch code.
*
* @defgroup Mouse Mouse
* @ingroup GINPUT
* @{
*/
#include "gfx.h"
#if (GFX_USE_GINPUT && GINPUT_NEED_MOUSE) || defined(__DOXYGEN__)
#include "driver_mouse.h"
#if GINPUT_MOUSE_NEED_CALIBRATION
#if !defined(GFX_USE_GDISP) || !GFX_USE_GDISP
#error "GINPUT: GFX_USE_GDISP must be defined when mouse or touch calibration is required"
#endif
#include <string.h> // Required for memcpy
#define GINPUT_MOUSE_CALIBRATION_FONT "* Double"
#define GINPUT_MOUSE_CALIBRATION_FONT2 "* Narrow"
#define GINPUT_MOUSE_CALIBRATION_TEXT "Calibration"
#define GINPUT_MOUSE_CALIBRATION_ERROR_TEXT "Failed - Please try again!"
#define GINPUT_MOUSE_CALIBRATION_SAME_TEXT "Error: Same Reading - Check Driver!"
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR < 0
#define GINPUT_MOUSE_CALIBRATION_POINTS 3
#else
#define GINPUT_MOUSE_CALIBRATION_POINTS 4
#endif
typedef struct Calibration_t {
float ax;
float bx;
float cx;
float ay;
float by;
float cy;
} Calibration;
#endif
typedef struct MousePoint_t {
coord_t x, y;
} MousePoint;
static GTIMER_DECL(MouseTimer);
static struct MouseConfig_t {
MouseReading t;
MousePoint movepos;
MousePoint clickpos;
systemticks_t clicktime;
uint16_t last_buttons;
uint16_t flags;
#define FLG_INIT_DONE 0x8000
#define FLG_CLICK_TIMER 0x0001
#define FLG_IN_CAL 0x0010
#define FLG_CAL_OK 0x0020
#define FLG_CAL_SAVED 0x0040
#define FLG_CAL_FREE 0x0080
#define FLG_CAL_RAW 0x0100
#if GINPUT_MOUSE_NEED_CALIBRATION
GMouseCalibrationSaveRoutine fnsavecal;
GMouseCalibrationLoadRoutine fnloadcal;
Calibration caldata;
#endif
GDisplay * display;
} MouseConfig;
void _tsOrientClip(MouseReading *pt, GDisplay *g, bool_t doClip) {
coord_t w, h;
w = gdispGGetWidth(g);
h = gdispGGetHeight(g);
#if GDISP_NEED_CONTROL && !GINPUT_MOUSE_NO_ROTATION
switch(gdispGGetOrientation(g)) {
case GDISP_ROTATE_0:
break;
case GDISP_ROTATE_90:
{
coord_t t = pt->x;
pt->x = w - 1 - pt->y;
pt->y = t;
}
break;
case GDISP_ROTATE_180:
pt->x = w - 1 - pt->x;
pt->y = h - 1 - pt->y;
break;
case GDISP_ROTATE_270:
{
coord_t t = pt->y;
pt->y = h - 1 - pt->x;
pt->x = t;
}
break;
default:
break;
}
#endif
if (doClip) {
if (pt->x < 0) pt->x = 0;
else if (pt->x >= w) pt->x = w-1;
if (pt->y < 0) pt->y = 0;
else if (pt->y >= h) pt->y = h-1;
}
}
#if GINPUT_MOUSE_NEED_CALIBRATION
static inline void _tsSetIdentity(Calibration *c) {
c->ax = 1;
c->bx = 0;
c->cx = 0;
c->ay = 0;
c->by = 1;
c->cy = 0;
}
static inline void _tsDrawCross(const MousePoint *pp) {
gdispGDrawLine(MouseConfig.display, pp->x-15, pp->y, pp->x-2, pp->y, White);
gdispGDrawLine(MouseConfig.display, pp->x+2, pp->y, pp->x+15, pp->y, White);
gdispGDrawLine(MouseConfig.display, pp->x, pp->y-15, pp->x, pp->y-2, White);
gdispGDrawLine(MouseConfig.display, pp->x, pp->y+2, pp->x, pp->y+15, White);
gdispGDrawLine(MouseConfig.display, pp->x-15, pp->y+15, pp->x-7, pp->y+15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x-15, pp->y+7, pp->x-15, pp->y+15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x-15, pp->y-15, pp->x-7, pp->y-15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x-15, pp->y-7, pp->x-15, pp->y-15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x+7, pp->y+15, pp->x+15, pp->y+15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x+15, pp->y+7, pp->x+15, pp->y+15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x+7, pp->y-15, pp->x+15, pp->y-15, RGB2COLOR(184,158,131));
gdispGDrawLine(MouseConfig.display, pp->x+15, pp->y-15, pp->x+15, pp->y-7, RGB2COLOR(184,158,131));
}
static inline void _tsClearCross(const MousePoint *pp) {
gdispGFillArea(MouseConfig.display, pp->x - 15, pp->y - 15, 42, 42, Blue);
}
static inline void _tsTransform(MouseReading *pt, const Calibration *c) {
pt->x = (coord_t) (c->ax * pt->x + c->bx * pt->y + c->cx);
pt->y = (coord_t) (c->ay * pt->x + c->by * pt->y + c->cy);
}
static inline void _tsDo3PointCalibration(const MousePoint *cross, const MousePoint *points, GDisplay *g, Calibration *c) {
float dx;
coord_t c0, c1, c2;
#if GDISP_NEED_CONTROL
/* Convert all cross points back to GDISP_ROTATE_0 convention
* before calculating the calibration matrix.
*/
switch(gdispGGetOrientation(g)) {
case GDISP_ROTATE_90:
c0 = cross[0].y;
c1 = cross[1].y;
c2 = cross[2].y;
break;
case GDISP_ROTATE_180:
c0 = c1 = c2 = gdispGGetWidth(g) - 1;
c0 -= cross[0].x;
c1 -= cross[1].x;
c2 -= cross[2].x;
break;
case GDISP_ROTATE_270:
c0 = c1 = c2 = gdispGGetHeight(g) - 1;
c0 -= cross[0].y;
c1 -= cross[1].y;
c2 -= cross[2].y;
break;
case GDISP_ROTATE_0:
default:
c0 = cross[0].x;
c1 = cross[1].x;
c2 = cross[2].x;
break;
}
#else
(void) g;
c0 = cross[0].x;
c1 = cross[1].x;
c2 = cross[2].x;
#endif
/* Compute all the required determinants */
dx = (float)(points[0].x - points[2].x) * (float)(points[1].y - points[2].y)
- (float)(points[1].x - points[2].x) * (float)(points[0].y - points[2].y);
c->ax = ((float)(c0 - c2) * (float)(points[1].y - points[2].y)
- (float)(c1 - c2) * (float)(points[0].y - points[2].y)) / dx;
c->bx = ((float)(c1 - c2) * (float)(points[0].x - points[2].x)
- (float)(c0 - c2) * (float)(points[1].x - points[2].x)) / dx;
c->cx = (c0 * ((float)points[1].x * (float)points[2].y - (float)points[2].x * (float)points[1].y)
- c1 * ((float)points[0].x * (float)points[2].y - (float)points[2].x * (float)points[0].y)
+ c2 * ((float)points[0].x * (float)points[1].y - (float)points[1].x * (float)points[0].y)) / dx;
#if GDISP_NEED_CONTROL
switch(gdispGGetOrientation(g)) {
case GDISP_ROTATE_90:
c0 = c1 = c2 = gdispGGetWidth(g) - 1;
c0 -= cross[0].x;
c1 -= cross[1].x;
c2 -= cross[2].x;
break;
case GDISP_ROTATE_180:
c0 = c1 = c2 = gdispGGetHeight(g) - 1;
c0 -= cross[0].y;
c1 -= cross[1].y;
c2 -= cross[2].y;
break;
case GDISP_ROTATE_270:
c0 = cross[0].x;
c1 = cross[1].x;
c2 = cross[2].x;
break;
case GDISP_ROTATE_0:
default:
c0 = cross[0].y;
c1 = cross[1].y;
c2 = cross[2].y;
break;
}
#else
c0 = cross[0].y;
c1 = cross[1].y;
c2 = cross[2].y;
#endif
c->ay = ((float)(c0 - c2) * (float)(points[1].y - points[2].y)
- (float)(c1 - c2) * (float)(points[0].y - points[2].y)) / dx;
c->by = ((float)(c1 - c2) * (float)(points[0].x - points[2].x)
- (float)(c0 - c2) * (float)(points[1].x - points[2].x)) / dx;
c->cy = (c0 * ((float)points[1].x * (float)points[2].y - (float)points[2].x * (float)points[1].y)
- c1 * ((float)points[0].x * (float)points[2].y - (float)points[2].x * (float)points[0].y)
+ c2 * ((float)points[0].x * (float)points[1].y - (float)points[1].x * (float)points[0].y)) / dx;
}
#endif
#if GINPUT_MOUSE_READ_CYCLES > 1
static void get_raw_reading(MouseReading *pt) {
int32_t x, y, z;
unsigned i;
x = y = z = 0;
for(i = 0; i < GINPUT_MOUSE_READ_CYCLES; i++) {
ginput_lld_mouse_get_reading(pt);
x += pt->x;
y += pt->y;
z += pt->z;
}
/* Take the average of the readings */
pt->x = x / GINPUT_MOUSE_READ_CYCLES;
pt->y = y / GINPUT_MOUSE_READ_CYCLES;
pt->z = z / GINPUT_MOUSE_READ_CYCLES;
}
#else
#define get_raw_reading(pt) ginput_lld_mouse_get_reading(pt)
#endif
static void get_calibrated_reading(MouseReading *pt) {
get_raw_reading(pt);
#if GINPUT_MOUSE_NEED_CALIBRATION
_tsTransform(pt, &MouseConfig.caldata);
#endif
_tsOrientClip(pt, MouseConfig.display, !(MouseConfig.flags & FLG_CAL_RAW));
}
static void MousePoll(void *param) {
(void) param;
GSourceListener *psl;
GEventMouse *pe;
unsigned meta;
uint16_t upbtns, dnbtns;
uint32_t cdiff;
uint32_t mdiff;
// Save the last mouse state
MouseConfig.last_buttons = MouseConfig.t.buttons;
// Get the new mouse reading
get_calibrated_reading(&MouseConfig.t);
// Calculate out new event meta value and handle CLICK and CXTCLICK
dnbtns = MouseConfig.t.buttons & ~MouseConfig.last_buttons;
upbtns = ~MouseConfig.t.buttons & MouseConfig.last_buttons;
meta = GMETA_NONE;
// As the touch moves up we need to return a point at the old position because some
// controllers return garbage with the mouse up
if ((upbtns & GINPUT_MOUSE_BTN_LEFT)) {
MouseConfig.t.x = MouseConfig.movepos.x;
MouseConfig.t.y = MouseConfig.movepos.y;
}
// Calculate the position difference from our movement reference (update the reference if out of range)
mdiff = (MouseConfig.t.x - MouseConfig.movepos.x) * (MouseConfig.t.x - MouseConfig.movepos.x) +
(MouseConfig.t.y - MouseConfig.movepos.y) * (MouseConfig.t.y - MouseConfig.movepos.y);
if (mdiff > GINPUT_MOUSE_MAX_MOVE_JITTER * GINPUT_MOUSE_MAX_MOVE_JITTER) {
MouseConfig.movepos.x = MouseConfig.t.x;
MouseConfig.movepos.y = MouseConfig.t.y;
}
// Check if the click has moved outside the click area and if so cancel the click
if ((MouseConfig.flags & FLG_CLICK_TIMER)) {
cdiff = (MouseConfig.t.x - MouseConfig.clickpos.x) * (MouseConfig.t.x - MouseConfig.clickpos.x) +
(MouseConfig.t.y - MouseConfig.clickpos.y) * (MouseConfig.t.y - MouseConfig.clickpos.y);
if (cdiff > GINPUT_MOUSE_MAX_CLICK_JITTER * GINPUT_MOUSE_MAX_CLICK_JITTER)
MouseConfig.flags &= ~FLG_CLICK_TIMER;
}
// Mouse down
if ((dnbtns & (GINPUT_MOUSE_BTN_LEFT|GINPUT_MOUSE_BTN_RIGHT))) {
MouseConfig.clickpos.x = MouseConfig.t.x;
MouseConfig.clickpos.y = MouseConfig.t.y;
MouseConfig.clicktime = gfxSystemTicks();
MouseConfig.flags |= FLG_CLICK_TIMER;
if ((dnbtns & GINPUT_MOUSE_BTN_LEFT))
meta |= GMETA_MOUSE_DOWN;
}
// Mouse up
if ((upbtns & (GINPUT_MOUSE_BTN_LEFT|GINPUT_MOUSE_BTN_RIGHT))) {
if ((upbtns & GINPUT_MOUSE_BTN_LEFT))
meta |= GMETA_MOUSE_UP;
if ((MouseConfig.flags & FLG_CLICK_TIMER)) {
if ((upbtns & GINPUT_MOUSE_BTN_LEFT)
#if GINPUT_MOUSE_CLICK_TIME != TIME_INFINITE
&& gfxSystemTicks() - MouseConfig.clicktime < gfxMillisecondsToTicks(GINPUT_MOUSE_CLICK_TIME)
#endif
)
meta |= GMETA_MOUSE_CLICK;
else
meta |= GMETA_MOUSE_CXTCLICK;
MouseConfig.flags &= ~FLG_CLICK_TIMER;
}
}
// Send the event to the listeners that are interested.
psl = 0;
while ((psl = geventGetSourceListener((GSourceHandle)(&MouseConfig), psl))) {
if (!(pe = (GEventMouse *)geventGetEventBuffer(psl))) {
// This listener is missing - save the meta events that have happened
psl->srcflags |= meta;
continue;
}
// If we haven't really moved (and there are no meta events) don't bother sending the event
if (mdiff <= GINPUT_MOUSE_MAX_MOVE_JITTER * GINPUT_MOUSE_MAX_MOVE_JITTER && !psl->srcflags
&& !meta && MouseConfig.last_buttons == MouseConfig.t.buttons && !(psl->listenflags & GLISTEN_MOUSENOFILTER))
continue;
// Send the event if we are listening for it
if (((MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT) && (psl->listenflags & GLISTEN_MOUSEDOWNMOVES))
|| (!(MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT) && (psl->listenflags & GLISTEN_MOUSEUPMOVES))
|| (meta && (psl->listenflags & GLISTEN_MOUSEMETA))) {
pe->type = GINPUT_MOUSE_EVENT_TYPE;
pe->instance = 0;
pe->x = MouseConfig.t.x;
pe->y = MouseConfig.t.y;
pe->z = MouseConfig.t.z;
pe->current_buttons = MouseConfig.t.buttons;
pe->last_buttons = MouseConfig.last_buttons;
pe->meta = meta;
if (psl->srcflags) {
pe->current_buttons |= GINPUT_MISSED_MOUSE_EVENT;
pe->meta |= psl->srcflags;
psl->srcflags = 0;
}
pe->display = MouseConfig.display;
geventSendEvent(psl);
}
}
}
GSourceHandle ginputGetMouse(uint16_t instance) {
#if GINPUT_MOUSE_NEED_CALIBRATION
Calibration *pc;
#endif
// We only support a single mouse instance currently
// Instance 9999 is the same as instance 0 except that it installs
// a special "raw" calibration if there isn't one we can load.
if (instance && instance != 9999)
return 0;
// Make sure we have a valid mouse display
if (!MouseConfig.display)
MouseConfig.display = GDISP;
// Do we need to initialise the mouse subsystem?
if (!(MouseConfig.flags & FLG_INIT_DONE)) {
ginput_lld_mouse_init();
#if GINPUT_MOUSE_NEED_CALIBRATION
#if GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE
if (!MouseConfig.fnloadcal) {
MouseConfig.fnloadcal = ginput_lld_mouse_calibration_load;
MouseConfig.flags &= ~FLG_CAL_FREE;
}
if (!MouseConfig.fnsavecal)
MouseConfig.fnsavecal = ginput_lld_mouse_calibration_save;
#endif
if (MouseConfig.fnloadcal && (pc = (Calibration *)MouseConfig.fnloadcal(instance))) {
memcpy(&MouseConfig.caldata, pc, sizeof(MouseConfig.caldata));
MouseConfig.flags |= (FLG_CAL_OK|FLG_CAL_SAVED);
if ((MouseConfig.flags & FLG_CAL_FREE))
gfxFree((void *)pc);
} else if (instance == 9999) {
_tsSetIdentity(&MouseConfig.caldata);
MouseConfig.flags |= (FLG_CAL_OK|FLG_CAL_SAVED|FLG_CAL_RAW);
} else
ginputCalibrateMouse(instance);
#endif
// Get the first reading
MouseConfig.last_buttons = 0;
get_calibrated_reading(&MouseConfig.t);
// Mark init as done and start the Poll timer
MouseConfig.flags |= FLG_INIT_DONE;
gtimerStart(&MouseTimer, MousePoll, 0, TRUE, GINPUT_MOUSE_POLL_PERIOD);
}
// Return our structure as the handle
return (GSourceHandle)&MouseConfig;
}
void ginputSetMouseDisplay(uint16_t instance, GDisplay *g) {
if (instance)
return;
MouseConfig.display = g ? g : GDISP;
}
GDisplay *ginputGetMouseDisplay(uint16_t instance) {
if (instance)
return 0;
return MouseConfig.display;
}
bool_t ginputGetMouseStatus(uint16_t instance, GEventMouse *pe) {
// Win32 threads don't seem to recognise priority and/or pre-emption
// so we add a sleep here to prevent 100% polled applications from locking up.
gfxSleepMilliseconds(1);
if (instance || (MouseConfig.flags & (FLG_INIT_DONE|FLG_IN_CAL)) != FLG_INIT_DONE)
return FALSE;
pe->type = GINPUT_MOUSE_EVENT_TYPE;
pe->instance = instance;
pe->x = MouseConfig.t.x;
pe->y = MouseConfig.t.y;
pe->z = MouseConfig.t.z;
pe->current_buttons = MouseConfig.t.buttons;
pe->last_buttons = MouseConfig.last_buttons;
if (pe->current_buttons & ~pe->last_buttons & GINPUT_MOUSE_BTN_LEFT)
pe->meta = GMETA_MOUSE_DOWN;
else if (~pe->current_buttons & pe->last_buttons & GINPUT_MOUSE_BTN_LEFT)
pe->meta = GMETA_MOUSE_UP;
else
pe->meta = GMETA_NONE;
return TRUE;
}
bool_t ginputCalibrateMouse(uint16_t instance) {
#if !GINPUT_MOUSE_NEED_CALIBRATION
(void) instance;
return FALSE;
#else
const coord_t height = gdispGGetHeight(MouseConfig.display);
const coord_t width = gdispGGetWidth(MouseConfig.display);
#if GINPUT_MOUSE_CALIBRATE_EXTREMES
const MousePoint cross[] = {{0, 0},
{(width - 1) , 0},
{(width - 1) , (height - 1)},
{(width / 2), (height / 2)}}; /* Check point */
#else
const MousePoint cross[] = {{(width / 4), (height / 4)},
{(width - (width / 4)) , (height / 4)},
{(width - (width / 4)) , (height - (height / 4))},
{(width / 2), (height / 2)}}; /* Check point */
#endif
MousePoint points[GINPUT_MOUSE_CALIBRATION_POINTS];
const MousePoint *pc;
MousePoint *pt;
int32_t px, py;
unsigned i, j;
font_t font1, font2;
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
unsigned err;
#endif
if (instance || (MouseConfig.flags & FLG_IN_CAL))
return FALSE;
font1 = gdispOpenFont(GINPUT_MOUSE_CALIBRATION_FONT);
font2 = gdispOpenFont(GINPUT_MOUSE_CALIBRATION_FONT2);
MouseConfig.flags |= FLG_IN_CAL;
gtimerStop(&MouseTimer);
MouseConfig.flags &= ~(FLG_CAL_OK|FLG_CAL_SAVED|FLG_CAL_RAW);
#if GDISP_NEED_CLIP
gdispGSetClip(MouseConfig.display, 0, 0, width, height);
#endif
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
while(1) {
#endif
gdispGClear(MouseConfig.display, Blue);
gdispGFillStringBox(MouseConfig.display, 0, 5, width, 30, GINPUT_MOUSE_CALIBRATION_TEXT, font1, White, Blue, justifyCenter);
for(i = 0, pt = points, pc = cross; i < GINPUT_MOUSE_CALIBRATION_POINTS; i++, pt++, pc++) {
_tsDrawCross(pc);
do {
/* Wait for the mouse to be pressed */
while(get_raw_reading(&MouseConfig.t), !(MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT))
gfxSleepMilliseconds(20);
/* Average all the samples while the mouse is down */
for(px = py = 0, j = 0;
gfxSleepMilliseconds(20), /* Settling time between readings */
get_raw_reading(&MouseConfig.t),
(MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT);
j++) {
px += MouseConfig.t.x;
py += MouseConfig.t.y;
}
} while(!j);
pt->x = px / j;
pt->y = py / j;
_tsClearCross(pc);
if (i >= 1 && pt->x == (pt-1)->x && pt->y == (pt-1)->y) {
gdispGFillStringBox(MouseConfig.display, 0, 35, width, 40, GINPUT_MOUSE_CALIBRATION_SAME_TEXT, font2, Red, Yellow, justifyCenter);
gfxSleepMilliseconds(5000);
gdispGFillArea(MouseConfig.display, 0, 35, width, 40, Blue);
}
}
/* Apply 3 point calibration algorithm */
_tsDo3PointCalibration(cross, points, MouseConfig.display, &MouseConfig.caldata);
/* Verification of correctness of calibration (optional) :
* See if the 4th point (Middle of the screen) coincides with the calibrated
* result. If point is within +/- Squareroot(ERROR) pixel margin, then successful calibration
* Else, start from the beginning.
*/
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
/* Transform the co-ordinates */
MouseConfig.t.x = points[3].x;
MouseConfig.t.y = points[3].y;
_tsTransform(&MouseConfig.t, &MouseConfig.caldata);
_tsOrientClip(&MouseConfig.t, MouseConfig.display, FALSE);
/* Calculate the delta */
err = (MouseConfig.t.x - cross[3].x) * (MouseConfig.t.x - cross[3].x) +
(MouseConfig.t.y - cross[3].y) * (MouseConfig.t.y - cross[3].y);
if (err <= GINPUT_MOUSE_MAX_CALIBRATION_ERROR * GINPUT_MOUSE_MAX_CALIBRATION_ERROR)
break;
gdispGFillStringBox(MouseConfig.display, 0, 35, width, 40, GINPUT_MOUSE_CALIBRATION_ERROR_TEXT, font2, Red, Yellow, justifyCenter);
gfxSleepMilliseconds(5000);
}
#endif
// Restart everything
gdispCloseFont(font1);
gdispCloseFont(font2);
MouseConfig.flags |= FLG_CAL_OK;
MouseConfig.last_buttons = 0;
get_calibrated_reading(&MouseConfig.t);
MouseConfig.flags &= ~FLG_IN_CAL;
if ((MouseConfig.flags & FLG_INIT_DONE))
gtimerStart(&MouseTimer, MousePoll, 0, TRUE, GINPUT_MOUSE_POLL_PERIOD);
// Save the calibration data (if possible)
if (MouseConfig.fnsavecal) {
MouseConfig.fnsavecal(instance, (const uint8_t *)&MouseConfig.caldata, sizeof(MouseConfig.caldata));
MouseConfig.flags |= FLG_CAL_SAVED;
}
// Clear the screen using the GWIN default background color
#if GFX_USE_GWIN
gdispGClear(MouseConfig.display, gwinGetDefaultBgColor());
#else
gdispGClear(MouseConfig.display, Black);
#endif
return TRUE;
#endif
}
/* Set the routines to save and fetch calibration data.
* This function should be called before first calling ginputGetMouse() for a particular instance
* as the ginputGetMouse() routine may attempt to fetch calibration data and perform a startup calibration if there is no way to get it.
* If this is called after ginputGetMouse() has been called and the driver requires calibration storage, it will immediately save the data is has already obtained.
* The 'requireFree' parameter indicates if the fetch buffer must be free()'d to deallocate the buffer provided by the Fetch routine.
*/
void ginputSetMouseCalibrationRoutines(uint16_t instance, GMouseCalibrationSaveRoutine fnsave, GMouseCalibrationLoadRoutine fnload, bool_t requireFree) {
#if GINPUT_MOUSE_NEED_CALIBRATION
if (instance)
return;
MouseConfig.fnloadcal = fnload;
MouseConfig.fnsavecal = fnsave;
if (requireFree)
MouseConfig.flags |= FLG_CAL_FREE;
else
MouseConfig.flags &= ~FLG_CAL_FREE;
#if GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE
if (!MouseConfig.fnloadcal) {
MouseConfig.fnloadcal = ginput_lld_mouse_calibration_load;
MouseConfig.flags &= ~FLG_CAL_FREE;
}
if (!MouseConfig.fnsavecal)
MouseConfig.fnsavecal = ginput_lld_mouse_calibration_save;
#endif
if (MouseConfig.fnsavecal && (MouseConfig.flags & (FLG_CAL_OK|FLG_CAL_SAVED)) == FLG_CAL_OK) {
MouseConfig.fnsavecal(instance, (const uint8_t *)&MouseConfig.caldata, sizeof(MouseConfig.caldata));
MouseConfig.flags |= FLG_CAL_SAVED;
}
#else
(void)instance, (void)fnsave, (void)fnload, (void)requireFree;
#endif
}
/* Test if a particular mouse instance requires routines to save its calibration data. */
bool_t ginputRequireMouseCalibrationStorage(uint16_t instance) {
if (instance)
return FALSE;
#if GINPUT_MOUSE_NEED_CALIBRATION && !GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE
return TRUE;
#else
return FALSE;
#endif
}
/* Wake up the mouse driver from an interrupt service routine (there may be new readings available) */
void ginputMouseWakeup(void) {
gtimerJab(&MouseTimer);
}
/* Wake up the mouse driver from an interrupt service routine (there may be new readings available) */
void ginputMouseWakeupI(void) {
gtimerJabI(&MouseTimer);
}
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
/** @} */
|