FabGL
ESP32 Display Controller and Graphics Library
TFTControllerSpecif.cpp
1/*
2 Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - <http://www.fabgl.com>
3 Copyright (c) 2019-2022 Fabrizio Di Vittorio.
4 All rights reserved.
5
6
7* Please contact fdivitto2013@gmail.com if you need a commercial license.
8
9
10* This library and related software is available under GPL v3.
11
12 FabGL is free software: you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation, either version 3 of the License, or
15 (at your option) any later version.
16
17 FabGL is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with FabGL. If not, see <http://www.gnu.org/licenses/>.
24 */
25
26
27
28#include "fabutils.h"
29#include "TFTControllerSpecif.h"
30
31
32
33namespace fabgl {
34
35
36#pragma GCC optimize ("O2")
37
38
39
42// ST7789
43
44
45#define ST7789_SWRST 0x01
46#define ST7789_RDDCOLMOD 0x0C
47#define ST7789_SLPOUT 0x11
48#define ST7789_PTLON 0x12
49#define ST7789_NORON 0x13
50#define ST7789_INVOFF 0x20
51#define ST7789_INVON 0x21
52#define ST7789_DISPON 0x29
53#define ST7789_PTLAR 0x30
54#define ST7789_COLMOD 0x3A
55#define ST7789_WRDISBV 0x51
56#define ST7789_WRCTRLD 0x53
57#define ST7789_WRCACE 0x55
58#define ST7789_WRCABCMB 0x5E
59#define ST7789_RAMCTRL 0xB0
60#define ST7789_PORCTRL 0xB2
61#define ST7789_GCTRL 0xB7
62#define ST7789_VCOMS 0xBB
63#define ST7789_LCMCTRL 0xC0
64#define ST7789_VDVVRHEN 0xC2
65#define ST7789_VRHS 0xC3
66#define ST7789_VDVS 0xC4
67#define ST7789_FRCTRL2 0xC6
68#define ST7789_PWCTRL1 0xD0
69#define ST7789_PVGAMCTRL 0xE0
70#define ST7789_NVGAMCTRL 0xE1
71
72
73void ST7789Controller::softReset()
74{
75 // software reset
76 SPIBeginWrite();
77 writeCommand(ST7789_SWRST);
78 SPIEndWrite();
79 vTaskDelay(150 / portTICK_PERIOD_MS);
80
81 SPIBeginWrite();
82
83 // Sleep Out
84 writeCommand(ST7789_SLPOUT);
85 vTaskDelay(120 / portTICK_PERIOD_MS);
86
87 // Normal Display Mode On
88 writeCommand(ST7789_NORON);
89
90 setupOrientation();
91
92 // 0x55 = 0 (101) 0 (101) => 65K of RGB interface, 16 bit/pixel
93 writeCommand(ST7789_COLMOD);
94 writeByte(0x55);
95 vTaskDelay(10 / portTICK_PERIOD_MS);
96
97 // Porch Setting
98 writeCommand(ST7789_PORCTRL);
99 writeByte(0x0c);
100 writeByte(0x0c);
101 writeByte(0x00);
102 writeByte(0x33);
103 writeByte(0x33);
104
105 // Gate Control
106 // VGL = -10.43V
107 // VGH = 13.26V
108 writeCommand(ST7789_GCTRL);
109 writeByte(0x35);
110
111 // VCOM Setting
112 // 1.1V
113 writeCommand(ST7789_VCOMS);
114 writeByte(0x28);
115
116 // LCM Control
117 // XMH, XMX
118 writeCommand(ST7789_LCMCTRL);
119 writeByte(0x0C);
120
121 // VDV and VRH Command Enable
122 // CMDEN = 1, VDV and VRH register value comes from command write.
123 writeCommand(ST7789_VDVVRHEN);
124 writeByte(0x01);
125 writeByte(0xFF);
126
127 // VRH Set
128 // VAP(GVDD) = 4.35+( vcom+vcom offset+vdv) V
129 // VAN(GVCL) = -4.35+( vcom+vcom offset-vdv) V
130 writeCommand(ST7789_VRHS);
131 writeByte(0x10);
132
133 // VDV Set
134 // VDV = 0V
135 writeCommand(ST7789_VDVS);
136 writeByte(0x20);
137
138 // Frame Rate Control in Normal Mode
139 // RTNA = 0xf (60Hz)
140 // NLA = 0 (dot inversion)
141 writeCommand(ST7789_FRCTRL2);
142 writeByte(0x0f);
143
144 // Power Control 1
145 // VDS = 2.3V
146 // AVCL = -4.8V
147 // AVDD = 6.8v
148 writeCommand(ST7789_PWCTRL1);
149 writeByte(0xa4);
150 writeByte(0xa1);
151
152 // Positive Voltage Gamma Control
153 writeCommand(ST7789_PVGAMCTRL);
154 writeByte(0xd0);
155 writeByte(0x00);
156 writeByte(0x02);
157 writeByte(0x07);
158 writeByte(0x0a);
159 writeByte(0x28);
160 writeByte(0x32);
161 writeByte(0x44);
162 writeByte(0x42);
163 writeByte(0x06);
164 writeByte(0x0e);
165 writeByte(0x12);
166 writeByte(0x14);
167 writeByte(0x17);
168
169 // Negative Voltage Gamma Control
170 writeCommand(ST7789_NVGAMCTRL);
171 writeByte(0xd0);
172 writeByte(0x00);
173 writeByte(0x02);
174 writeByte(0x07);
175 writeByte(0x0a);
176 writeByte(0x28);
177 writeByte(0x31);
178 writeByte(0x54);
179 writeByte(0x47);
180 writeByte(0x0e);
181 writeByte(0x1c);
182 writeByte(0x17);
183 writeByte(0x1b);
184 writeByte(0x1e);
185
186 // Display Inversion On
187 writeCommand(ST7789_INVON);
188
189 // Display On
190 writeCommand(ST7789_DISPON);
191
192 SPIEndWrite();
193}
194
195
196
199// ILI9341
200
201
202#define ILI9341_SWRESET 0x01
203#define ILI9341_SLEEPOUT 0x11
204#define ILI9341_NORON 0x13
205#define ILI9341_GAMMASET 0x26
206#define ILI9341_DISPON 0x29
207#define ILI9341_PIXELFORMATSET 0x3A
208#define ILI9341_FRAMERATECTRL1 0xB1
209#define ILI9341_DISPLAYFUNCCTRL 0xB6
210#define ILI9341_POWERCTR1 0xC0
211#define ILI9341_POWERCTR2 0xC1
212#define ILI9341_VCOMCTR1 0xC5
213#define ILI9341_VCOMCTR2 0xC7
214#define ILI9341_POWERCTRLA 0xCB
215#define ILI9341_POWERCTRLB 0xCF
216#define ILI9341_POSGAMMACORR 0xE0
217#define ILI9341_NEGGAMMACORR 0xE1
218#define ILI9341_DRIVERTIMINGCTRLA 0xE8
219#define ILI9341_DRIVERTIMINGCTRLB 0xEA
220#define ILI9341_POWERONSEQCTRL 0xED
221#define ILI9341_DEVICECODE 0xEF
222#define ILI9341_ENABLE3G 0xF2
223#define ILI9341_PUMPRATIOCTRL 0xF7
224
225
226
227void ILI9341Controller::softReset()
228{
229 m_reverseHorizontal = true;
230
231 // software reset
232 SPIBeginWrite();
233 writeCommand(ILI9341_SWRESET);
234 SPIEndWrite();
235 vTaskDelay(150 / portTICK_PERIOD_MS);
236
237 SPIBeginWrite();
238
239 // unknown but required init sequence!
240 writeCommand(ILI9341_DEVICECODE);
241 writeByte(0x03);
242 writeByte(0x80);
243 writeByte(0x02);
244
245 // Power control B
246 writeCommand(ILI9341_POWERCTRLB);
247 writeByte(0x00);
248 writeByte(0XC1);
249 writeByte(0X30);
250
251 // Power on sequence control
252 writeCommand(ILI9341_POWERONSEQCTRL);
253 writeByte(0x64);
254 writeByte(0x03);
255 writeByte(0X12);
256 writeByte(0X81);
257
258 // Driver timing control A
259 writeCommand(ILI9341_DRIVERTIMINGCTRLA);
260 writeByte(0x85);
261 writeByte(0x00);
262 writeByte(0x78);
263
264 // Power control A
265 writeCommand(ILI9341_POWERCTRLA);
266 writeByte(0x39);
267 writeByte(0x2C);
268 writeByte(0x00);
269 writeByte(0x34);
270 writeByte(0x02);
271
272 // Pump ratio control
273 writeCommand(ILI9341_PUMPRATIOCTRL);
274 writeByte(0x20);
275
276 // Driver timing control B
277 writeCommand(ILI9341_DRIVERTIMINGCTRLB);
278 writeByte(0x00);
279 writeByte(0x00);
280
281 // Power Control 1
282 writeCommand(ILI9341_POWERCTR1);
283 writeByte(0x23);
284
285 // Power Control 2
286 writeCommand(ILI9341_POWERCTR2);
287 writeByte(0x10);
288
289 // VCOM Control 1
290 writeCommand(ILI9341_VCOMCTR1);
291 writeByte(0x3e);
292 writeByte(0x28);
293
294 // VCOM Control 2
295 writeCommand(ILI9341_VCOMCTR2);
296 writeByte(0x86);
297
298 setupOrientation();
299
300 // COLMOD: Pixel Format Set
301 writeCommand(ILI9341_PIXELFORMATSET);
302 writeByte(0x55);
303
304 // Frame Rate Control (In Normal Mode/Full Colors)
305 writeCommand(ILI9341_FRAMERATECTRL1);
306 writeByte(0x00);
307 writeByte(0x13); // 0x18 79Hz, 0x1B 70Hz (default), 0x13 100Hz
308
309 // Display Function Control
310 writeCommand(ILI9341_DISPLAYFUNCCTRL);
311 writeByte(0x08);
312 writeByte(0x82);
313 writeByte(0x27);
314
315 // Enable 3G (gamma control)
316 writeCommand(ILI9341_ENABLE3G);
317 writeByte(0x00); // bit 0: 0 => disable 3G
318
319 // Gamma Set
320 writeCommand(ILI9341_GAMMASET);
321 writeByte(0x01); // 1 = Gamma curve 1 (G2.2)
322
323 // Positive Gamma Correction
324 writeCommand(ILI9341_POSGAMMACORR);
325 writeByte(0x0F);
326 writeByte(0x31);
327 writeByte(0x2B);
328 writeByte(0x0C);
329 writeByte(0x0E);
330 writeByte(0x08);
331 writeByte(0x4E);
332 writeByte(0xF1);
333 writeByte(0x37);
334 writeByte(0x07);
335 writeByte(0x10);
336 writeByte(0x03);
337 writeByte(0x0E);
338 writeByte(0x09);
339 writeByte(0x00);
340
341 // Negative Gamma Correction
342 writeCommand(ILI9341_NEGGAMMACORR);
343 writeByte(0x00);
344 writeByte(0x0E);
345 writeByte(0x14);
346 writeByte(0x03);
347 writeByte(0x11);
348 writeByte(0x07);
349 writeByte(0x31);
350 writeByte(0xC1);
351 writeByte(0x48);
352 writeByte(0x08);
353 writeByte(0x0F);
354 writeByte(0x0C);
355 writeByte(0x31);
356 writeByte(0x36);
357 writeByte(0x0F);
358
359 // Sleep Out
360 writeCommand(ILI9341_SLEEPOUT);
361
362 // Normal Display Mode On
363 writeCommand(ILI9341_NORON);
364
365 SPIEndWrite();
366
367 vTaskDelay(120 / portTICK_PERIOD_MS);
368
369 SPIBeginWrite();
370
371 // Display ON
372 writeCommand(ILI9341_DISPON);
373
374 SPIEndWrite();
375}
376
377
378} // end of namespace
TFTControllerSpecif.h
This file contains TFT controllers definitions.
fabutils.h
This file contains some utility classes and functions.