forked from zxfr/Pixels
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Pixels_SSD1306.h
440 lines (370 loc) · 12.1 KB
/
Pixels_SSD1306.h
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
/*
* Pixels. Graphics library for TFT displays.
*
* Copyright (C) 2012-2015
*
* The code is written in C/C++ for Arduino and can be easily ported to any microcontroller by rewritting the low level pin access functions.
*
* Text output methods of the library rely on Pixelmeister's font data format. See: http://pd4ml.com/pixelmeister
*
* This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
*
* This library includes some code portions and algoritmic ideas derived from works of
* - Andreas Schiffler -- aschiffler at ferzkopp dot net (SDL_gfx Project)
* - K. Townsend http://microBuilder.eu (lpc1343codebase Project)
*/
/*
* Pixels port to TEMPLATE controller
*/
#define PIXELS_FRAMEBUFFER 1
#include "Pixels.h"
#ifndef PIXELS_SSD1306_H
#define PIXELS_SSD1306_H
#define PIXELS_MAIN
#if defined(PIXELS_ANTIALIASING_H)
#define PixelsBase PixelsAntialiased
#endif
class Pixels : public PixelsBase
#if defined(PIXELS_SPISW_H)
, public SPIsw
#elif defined(PIXELS_SPIHW_H)
, public SPIhw
#elif defined(PIXELS_PPI8_H)
, public PPI8
#elif defined(PIXELS_PPI16_H)
, public PPI16
#endif
{
protected:
void deviceWriteData(uint8_t high, uint8_t low);
int32_t setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void quickFill(int b, int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void setFillDirection(uint8_t direction);
void scrollCmd();
uint8_t* frameBuffer;
int xx1, yy1, xx2, yy2; // current region
int mx;
int my;
// boolean checkBounds(Bounds& bb);
void endGfxOperation(boolean force);
public:
Pixels() : PixelsBase(128, 64) {
scrollSupported = true;
// setSpiPins(uint8_t scl, uint8_t sda, uint8_t cs, uint8_t rst, uint8_t wr = 255)
setSpiPins(13, 11, 10, 5, 2);
frameBuffer = new uint8_t[deviceWidth/8 * deviceHeight];
}
Pixels(uint16_t width, uint16_t height) : PixelsBase(width, height) {
scrollSupported = true;
setSpiPins(13, 11, 10, 5, 2); // dummy code in PPI case
frameBuffer = new uint8_t[deviceWidth/8 * deviceHeight];
}
void init();
int8_t drawBitmap(int16_t x, int16_t y, int16_t width, int16_t height, prog_uint16_t* data);
};
#if defined(PIXELS_ANTIALIASING_H)
#undef PixelsBase
#endif
void Pixels::init() {
initInterface();
reset();
delay(10);
reset();
delay(10);
boolean extvcc = false;
chipSelect();
writeCmd(0xAE); // DISPLAYOFF
writeCmd(0xD5); // SETDISPLAYCLOCKDIV
writeCmd(0x80); // the suggested ratio 0x80
writeCmd(0xA8); // SETMULTIPLEX
writeCmd(deviceWidth - 1); // deviceHeight - 1 = 31
writeCmd(0xD3); // SETDISPLAYOFFSET
writeCmd(0x00); // offset = 0
writeCmd(0x40); // SETSTARTLINE to 0
writeCmd(0x8D); // CHARGEPUMP
if (extvcc) {
writeCmd(0x10);
} else {
writeCmd(0x14);
}
writeCmd(0x20); // MEMORYMODE
writeCmd(0x00); // 0x0 act like ks0108
writeCmd(0xA0 | 0x1); // SEGREMAP
writeCmd(0xC8); // COMSCANDEC
writeCmd(0xDA); // SETCOMPINS
if ( deviceWidth < 64 ) {
writeCmd(0x02);
writeCmd(0x81); // SETCONTRAST
writeCmd(0x8F);
} else {
writeCmd(0x12); // ----------
writeCmd(0x81); // SETCONTRAST
if (extvcc) {
writeCmd(0x9F);
} else {
writeCmd(0xCF);
}
}
writeCmd(0xD9); // SETPRECHARGE
if (extvcc) {
writeCmd(0x22);
} else {
writeCmd(0xF1);
}
writeCmd(0xDB); // SETVCOMDETECT
writeCmd(0x40);
writeCmd(0xA4); // DISPLAYALLON_RESUME
writeCmd(0xA6); // NORMALDISPLAY
writeCmd(0xAF); // DISPLAYON
// define region display memory region to write to
writeCmd(0x21); // COLUMNADDR
writeCmd(0); // Column start address (0 = reset)
writeCmd(127); // Column end address (127 = reset)
writeCmd(0x22); // PAGEADDR
writeCmd(0); // Page start address (0 = reset)
writeCmd(deviceWidth/8 - 1); // Page end address
chipDeselect();
for ( int i = 0; i < deviceWidth * deviceHeight / 8; i++ ) {
frameBuffer[i] = 0;
}
}
void Pixels::scrollCmd() {
// NOP
// scrolling is emulated with the frame buffer
}
void Pixels::setFillDirection(uint8_t direction) {
fillDirection = direction;
}
void Pixels::quickFill (int color, int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
uint8_t r = ((0xf800 & color)>>11) * 255 / 31;
uint8_t g = ((0x7e0 & color)>>5) * 255 / 63;
uint8_t b = (0x1f & color) * 255 / 31;
boolean w = r > 127 || g > 127 || b > 127;;
if( !setRegion(x1, y1, x2, y2) ) {
return;
}
for ( int y = yy1; y <= yy2; y++ ) {
for ( int x = xx1; x <= xx2; x++ ) {
int idx = deviceHeight - y - 1 + (x/8) * deviceHeight;
if ( idx < 0 || idx >= deviceWidth/8 * deviceHeight ) {
continue;
}
if (w) {
frameBuffer[idx] |= (1 << (x&7));
} else {
frameBuffer[idx] &= ~(1 << (x&7));
}
}
}
}
void Pixels::deviceWriteData(uint8_t high, uint8_t low) {
int color = (((uint16_t)high) << 8) + low;
uint8_t r = ((0xf800 & color)>>11) * 255 / 31;
uint8_t g = ((0x7e0 & color)>>5) * 255 / 63;
uint8_t b = (0x1f & color) * 255 / 31;
boolean w = r > 127 || g > 127 || b > 127;;
int idx = deviceHeight - 1 - my + (mx/8) * deviceHeight;
if ( idx >= 0 && idx < deviceWidth/8 * deviceHeight ) {
if (w) {
frameBuffer[idx] |= (1 << (mx&7));
} else {
frameBuffer[idx] &= ~(1 << (mx&7));
}
}
my++;
if ( my > yy2 ) {
my = yy1;
mx++;
if ( mx > xx2 ) { // yy2 ?????????
mx--;
return;
}
}
}
int32_t Pixels::setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
Bounds bb(x1, y1, x2, y2);
if( !checkBounds(bb) ) {
return 0;
}
xx1 = bb.x1;
yy1 = bb.y1;
xx2 = bb.x2;
yy2 = bb.y2;
mx = bb.x1;
my = bb.y1;
return 1;
}
void Pixels::endGfxOperation(boolean force) {
gfxOpNestingDepth--;
if ( !force ) {
if ( gfxOpNestingDepth > 0 ) {
return;
}
gfxOpNestingDepth = 0;
}
chipSelect();
// writeCmd(0x21); // COLUMNADDR
// writeCmd(0); // Column start address (0 = reset)
// writeCmd(127); // Column end address (127 = reset)
// writeCmd(0x22); // PAGEADDR
// writeCmd(0); // Page start address (0 = reset)
// writeCmd(deviceWidth/8 - 1); // Page end address
if (currentScroll != 0) {
int cs = orientation < 2 ? currentScroll : deviceHeight - currentScroll;
for ( int x = 0; x < deviceWidth/8; x++ ) {
for ( int y = deviceHeight - cs; y < deviceHeight; y++ ) {
int idx = x * deviceHeight + y;
if ( idx < 0 || idx >= deviceWidth/8 * deviceHeight ) {
continue;
}
writeData(frameBuffer[idx]);
}
for ( int y = 0; y < deviceHeight - cs; y++ ) {
int idx = x * deviceHeight + y;
if ( idx < 0 || idx >= deviceWidth/8 * deviceHeight ) {
continue;
}
writeData(frameBuffer[idx]);
}
}
} else {
for ( int i = 0; i < deviceWidth * deviceHeight / 8; i++ ) {
writeData(frameBuffer[i]);
}
}
}
int8_t Pixels::drawBitmap(int16_t x, int16_t y, int16_t width, int16_t height, prog_uint16_t* data) {
Bounds bb(x, y, x+width-1, y+height-1);
if( !transformBounds(bb) ) {
return 1;
}
if( !checkBounds(bb) ) {
return 1;
}
beginGfxOperation();
setRegion(bb.x1, bb.y1, bb.x2, bb.y2);
int sc = currentScroll;
if ( sc == 0 ) {
sc = deviceHeight;
}
switch( orientation ) {
case PORTRAIT:
{
for ( int16_t i = bb.x1; i <= bb.x2; i++ ) {
for ( int16_t j = bb.y1; j <= bb.y2; j++ ) {
int16_t px = pgm_read_word_near(data + (j - y) * width + i - x);
setCurrentPixel(px);
}
}
}
break;
case LANDSCAPE:
{
int h1 = height - max(0, (y + height) - deviceWidth) - 1;
int w1 = width - max(0, (x + width) - sc) - 1;
int w = bb.x2 - bb.x1 + 1;
int h = bb.y2 - bb.y1 + 1;
for ( int16_t i = 0; i < w; i++ ) {
for ( int16_t j = h - 1; j >= 0; j-- ) {
int16_t px = pgm_read_word_near(data + (h1 - i) * width + (w1 - j));
setCurrentPixel(px);
}
}
}
break;
case PORTRAIT_FLIP:
{
int h = bb.y2 - bb.y1 + 1;
int w = bb.x2 - bb.x1 + 1;
int cutH = y < 0 ? 0 : height - h;
int cutW = x < 0 ? 0 : width - w;
for ( int16_t i = 0; i < w; i++ ) {
for ( int16_t j = 0; j < h; j++ ) {
int16_t px = pgm_read_word_near(data + (height - j - 1 - cutH) * width + (width - i - 1 - cutW));
setCurrentPixel(px);
}
}
}
break;
case LANDSCAPE_FLIP:
{
int h1 = height - max(0, (y + height) - deviceWidth) - 1;
int w1 = width - max(0, (x + width) - sc) - 1;
int w = bb.x2 - bb.x1 + 1;
int h = bb.y2 - bb.y1 + 1;
for ( int16_t i = w - 1; i >= 0; i-- ) {
for ( int16_t j = 0; j < h; j++ ) {
int16_t px = pgm_read_word_near(data + (h1 - i) * width + (w1 - j));
setCurrentPixel(px);
}
}
}
break;
}
endGfxOperation(false);
return 0;
}
//boolean Pixels::checkBounds(Bounds& bb) {
// if (bb.x2 < bb.x1) {
// swap(bb.x1, bb.x2);
// }
// if (bb.y2 < bb.y1) {
// swap(bb.y1, bb.y2);
// }
// if ( bb.x2 < 0 ) {
// return false;
// }
// if ( bb.x1 < 0 ) {
// bb.x1 = 0;
// }
// if ( bb.x1 >= deviceWidth ) {
// return false;
// }
// if ( bb.x2 >= deviceWidth ) {
// bb.x2 = deviceWidth - 1;
// }
// if ( bb.y1 < 0 ) {
// if ( bb.y2 < 0 ) {
// return false;
// }
// bb.y1 = 0;
// }
// if ( !relativeOrigin ) {
// if ( bb.y1 >= deviceHeight ) {
// return false;
// }
// if ( bb.y2 >= deviceHeight ) {
// bb.y2 = deviceHeight - 1;
// }
// } else if ( orientation > 1 ) {
// if ( bb.y1 >= deviceHeight ) {
// return false;
// }
// if ( bb.y2 >= deviceHeight ) {
// bb.y2 = deviceHeight - 1;
// }
// int s = (deviceHeight - currentScroll) % deviceHeight;
// if ( bb.y2 < s ) {
// return false;
// }
// if ( bb.y1 < s ) {
// bb.y1 = s;
// }
//// if ( bb.y2 >= s ) {
//// if ( bb.y1 >= s ) {
//// return false;
//// }
//// bb.y2 = s - 1;
//// }
// } else {
// int16_t s = currentScroll > 0 ? currentScroll : deviceHeight;
// if ( bb.y2 >= s ) {
// if ( bb.y1 >= s ) {
// return false;
// }
// bb.y2 = s - 1;
// }
// }
// return true;
//}
#endif