ESPHome 2025.5.0
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st7735.cpp
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1#include "st7735.h"
2#include "esphome/core/log.h"
3#include "esphome/core/helpers.h"
4#include "esphome/core/hal.h"
5
6namespace esphome {
7namespace st7735 {
8
9static const uint8_t ST_CMD_DELAY = 0x80; // special signifier for command lists
10
11static const uint8_t ST77XX_NOP = 0x00;
12static const uint8_t ST77XX_SWRESET = 0x01;
13static const uint8_t ST77XX_RDDID = 0x04;
14static const uint8_t ST77XX_RDDST = 0x09;
15
16static const uint8_t ST77XX_SLPIN = 0x10;
17static const uint8_t ST77XX_SLPOUT = 0x11;
18static const uint8_t ST77XX_PTLON = 0x12;
19static const uint8_t ST77XX_NORON = 0x13;
20
21static const uint8_t ST77XX_INVOFF = 0x20;
22static const uint8_t ST77XX_INVON = 0x21;
23static const uint8_t ST77XX_DISPOFF = 0x28;
24static const uint8_t ST77XX_DISPON = 0x29;
25static const uint8_t ST77XX_CASET = 0x2A;
26static const uint8_t ST77XX_RASET = 0x2B;
27static const uint8_t ST77XX_RAMWR = 0x2C;
28static const uint8_t ST77XX_RAMRD = 0x2E;
29
30static const uint8_t ST77XX_PTLAR = 0x30;
31static const uint8_t ST77XX_TEOFF = 0x34;
32static const uint8_t ST77XX_TEON = 0x35;
33static const uint8_t ST77XX_MADCTL = 0x36;
34static const uint8_t ST77XX_COLMOD = 0x3A;
35
36static const uint8_t ST77XX_MADCTL_MY = 0x80;
37static const uint8_t ST77XX_MADCTL_MX = 0x40;
38static const uint8_t ST77XX_MADCTL_MV = 0x20;
39static const uint8_t ST77XX_MADCTL_ML = 0x10;
40static const uint8_t ST77XX_MADCTL_RGB = 0x00;
41
42static const uint8_t ST77XX_RDID1 = 0xDA;
43static const uint8_t ST77XX_RDID2 = 0xDB;
44static const uint8_t ST77XX_RDID3 = 0xDC;
45static const uint8_t ST77XX_RDID4 = 0xDD;
46
47// Some register settings
48static const uint8_t ST7735_MADCTL_BGR = 0x08;
49
50static const uint8_t ST7735_MADCTL_MH = 0x04;
51
52static const uint8_t ST7735_FRMCTR1 = 0xB1;
53static const uint8_t ST7735_FRMCTR2 = 0xB2;
54static const uint8_t ST7735_FRMCTR3 = 0xB3;
55static const uint8_t ST7735_INVCTR = 0xB4;
56static const uint8_t ST7735_DISSET5 = 0xB6;
57
58static const uint8_t ST7735_PWCTR1 = 0xC0;
59static const uint8_t ST7735_PWCTR2 = 0xC1;
60static const uint8_t ST7735_PWCTR3 = 0xC2;
61static const uint8_t ST7735_PWCTR4 = 0xC3;
62static const uint8_t ST7735_PWCTR5 = 0xC4;
63static const uint8_t ST7735_VMCTR1 = 0xC5;
64
65static const uint8_t ST7735_PWCTR6 = 0xFC;
66
67static const uint8_t ST7735_GMCTRP1 = 0xE0;
68static const uint8_t ST7735_GMCTRN1 = 0xE1;
69
70// clang-format off
71static const uint8_t PROGMEM
72 BCMD[] = { // Init commands for 7735B screens
73 18, // 18 commands in list:
74 ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, no args, w/delay
75 50, // 50 ms delay
76 ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, no args, w/delay
77 255, // 255 = max (500 ms) delay
78 ST77XX_COLMOD, 1+ST_CMD_DELAY, // 3: Set color mode, 1 arg + delay:
79 0x05, // 16-bit color
80 10, // 10 ms delay
81 ST7735_FRMCTR1, 3+ST_CMD_DELAY, // 4: Frame rate control, 3 args + delay:
82 0x00, // fastest refresh
83 0x06, // 6 lines front porch
84 0x03, // 3 lines back porch
85 10, // 10 ms delay
86 ST77XX_MADCTL, 1, // 5: Mem access ctl (directions), 1 arg:
87 0x08, // Row/col addr, bottom-top refresh
88 ST7735_DISSET5, 2, // 6: Display settings #5, 2 args:
89 0x15, // 1 clk cycle nonoverlap, 2 cycle gate
90 // rise, 3 cycle osc equalize
91 0x02, // Fix on VTL
92 ST7735_INVCTR, 1, // 7: Display inversion control, 1 arg:
93 0x0, // Line inversion
94 ST7735_PWCTR1, 2+ST_CMD_DELAY, // 8: Power control, 2 args + delay:
95 0x02, // GVDD = 4.7V
96 0x70, // 1.0uA
97 10, // 10 ms delay
98 ST7735_PWCTR2, 1, // 9: Power control, 1 arg, no delay:
99 0x05, // VGH = 14.7V, VGL = -7.35V
100 ST7735_PWCTR3, 2, // 10: Power control, 2 args, no delay:
101 0x01, // Opamp current small
102 0x02, // Boost frequency
103 ST7735_VMCTR1, 2+ST_CMD_DELAY, // 11: Power control, 2 args + delay:
104 0x3C, // VCOMH = 4V
105 0x38, // VCOML = -1.1V
106 10, // 10 ms delay
107 ST7735_PWCTR6, 2, // 12: Power control, 2 args, no delay:
108 0x11, 0x15,
109 ST7735_GMCTRP1,16, // 13: Gamma Adjustments (pos. polarity), 16 args + delay:
110 0x09, 0x16, 0x09, 0x20, // (Not entirely necessary, but provides
111 0x21, 0x1B, 0x13, 0x19, // accurate colors)
112 0x17, 0x15, 0x1E, 0x2B,
113 0x04, 0x05, 0x02, 0x0E,
114 ST7735_GMCTRN1,16+ST_CMD_DELAY, // 14: Gamma Adjustments (neg. polarity), 16 args + delay:
115 0x0B, 0x14, 0x08, 0x1E, // (Not entirely necessary, but provides
116 0x22, 0x1D, 0x18, 0x1E, // accurate colors)
117 0x1B, 0x1A, 0x24, 0x2B,
118 0x06, 0x06, 0x02, 0x0F,
119 10, // 10 ms delay
120 ST77XX_CASET, 4, // 15: Column addr set, 4 args, no delay:
121 0x00, 0x02, // XSTART = 2
122 0x00, 0x81, // XEND = 129
123 ST77XX_RASET, 4, // 16: Row addr set, 4 args, no delay:
124 0x00, 0x02, // XSTART = 1
125 0x00, 0x81, // XEND = 160
126 ST77XX_NORON, ST_CMD_DELAY, // 17: Normal display on, no args, w/delay
127 10, // 10 ms delay
128 ST77XX_DISPON, ST_CMD_DELAY, // 18: Main screen turn on, no args, delay
129 255 }, // 255 = max (500 ms) delay
130
131 RCMD1[] = { // 7735R init, part 1 (red or green tab)
132 15, // 15 commands in list:
133 ST77XX_SWRESET, ST_CMD_DELAY, // 1: Software reset, 0 args, w/delay
134 150, // 150 ms delay
135 ST77XX_SLPOUT, ST_CMD_DELAY, // 2: Out of sleep mode, 0 args, w/delay
136 255, // 500 ms delay
137 ST7735_FRMCTR1, 3, // 3: Framerate ctrl - normal mode, 3 arg:
138 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
139 ST7735_FRMCTR2, 3, // 4: Framerate ctrl - idle mode, 3 args:
140 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
141 ST7735_FRMCTR3, 6, // 5: Framerate - partial mode, 6 args:
142 0x01, 0x2C, 0x2D, // Dot inversion mode
143 0x01, 0x2C, 0x2D, // Line inversion mode
144 ST7735_INVCTR, 1, // 6: Display inversion ctrl, 1 arg:
145 0x07, // No inversion
146 ST7735_PWCTR1, 3, // 7: Power control, 3 args, no delay:
147 0xA2,
148 0x02, // -4.6V
149 0x84, // AUTO mode
150 ST7735_PWCTR2, 1, // 8: Power control, 1 arg, no delay:
151 0xC5, // VGH25=2.4C VGSEL=-10 VGH=3 * AVDD
152 ST7735_PWCTR3, 2, // 9: Power control, 2 args, no delay:
153 0x0A, // Opamp current small
154 0x00, // Boost frequency
155 ST7735_PWCTR4, 2, // 10: Power control, 2 args, no delay:
156 0x8A, // BCLK/2,
157 0x2A, // opamp current small & medium low
158 ST7735_PWCTR5, 2, // 11: Power control, 2 args, no delay:
159 0x8A, 0xEE,
160 ST7735_VMCTR1, 1, // 12: Power control, 1 arg, no delay:
161 0x0E,
162 ST77XX_INVOFF, 0, // 13: Don't invert display, no args
163 ST77XX_MADCTL, 1, // 14: Mem access ctl (directions), 1 arg:
164 0xC8, // row/col addr, bottom-top refresh
165 ST77XX_COLMOD, 1, // 15: set color mode, 1 arg, no delay:
166 0x05 }, // 16-bit color
167
168 RCMD2GREEN[] = { // 7735R init, part 2 (green tab only)
169 2, // 2 commands in list:
170 ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
171 0x00, 0x02, // XSTART = 0
172 0x00, 0x7F+0x02, // XEND = 127
173 ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
174 0x00, 0x01, // XSTART = 0
175 0x00, 0x9F+0x01 }, // XEND = 159
176
177 RCMD2RED[] = { // 7735R init, part 2 (red tab only)
178 2, // 2 commands in list:
179 ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
180 0x00, 0x00, // XSTART = 0
181 0x00, 0x7F, // XEND = 127
182 ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
183 0x00, 0x00, // XSTART = 0
184 0x00, 0x9F }, // XEND = 159
185
186 RCMD2GREEN144[] = { // 7735R init, part 2 (green 1.44 tab)
187 2, // 2 commands in list:
188 ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
189 0x00, 0x00, // XSTART = 0
190 0x00, 0x7F, // XEND = 127
191 ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
192 0x00, 0x00, // XSTART = 0
193 0x00, 0x7F }, // XEND = 127
194
195 RCMD2GREEN160X80[] = { // 7735R init, part 2 (mini 160x80)
196 2, // 2 commands in list:
197 ST77XX_CASET, 4, // 1: Column addr set, 4 args, no delay:
198 0x00, 0x00, // XSTART = 0
199 0x00, 0x4F, // XEND = 79
200 ST77XX_RASET, 4, // 2: Row addr set, 4 args, no delay:
201 0x00, 0x00, // XSTART = 0
202 0x00, 0x9F }, // XEND = 159
203
204 RCMD3[] = { // 7735R init, part 3 (red or green tab)
205 4, // 4 commands in list:
206 ST7735_GMCTRP1, 16 , // 1: Gamma Adjustments (pos. polarity), 16 args + delay:
207 0x02, 0x1c, 0x07, 0x12, // (Not entirely necessary, but provides
208 0x37, 0x32, 0x29, 0x2d, // accurate colors)
209 0x29, 0x25, 0x2B, 0x39,
210 0x00, 0x01, 0x03, 0x10,
211 ST7735_GMCTRN1, 16 , // 2: Gamma Adjustments (neg. polarity), 16 args + delay:
212 0x03, 0x1d, 0x07, 0x06, // (Not entirely necessary, but provides
213 0x2E, 0x2C, 0x29, 0x2D, // accurate colors)
214 0x2E, 0x2E, 0x37, 0x3F,
215 0x00, 0x00, 0x02, 0x10,
216 ST77XX_NORON, ST_CMD_DELAY, // 3: Normal display on, no args, w/delay
217 10, // 10 ms delay
218 ST77XX_DISPON, ST_CMD_DELAY, // 4: Main screen turn on, no args w/delay
219 100 }; // 100 ms delay
220
221// clang-format on
222static const char *const TAG = "st7735";
223
224ST7735::ST7735(ST7735Model model, int width, int height, int colstart, int rowstart, bool eightbitcolor, bool usebgr,
225 bool invert_colors)
226 : model_(model),
227 colstart_(colstart),
228 rowstart_(rowstart),
229 eightbitcolor_(eightbitcolor),
230 usebgr_(usebgr),
231 invert_colors_(invert_colors),
232 width_(width),
233 height_(height) {}
234
235void ST7735::setup() {
236 ESP_LOGCONFIG(TAG, "Setting up ST7735...");
237 this->spi_setup();
238
239 this->dc_pin_->setup(); // OUTPUT
240 this->cs_->setup(); // OUTPUT
241
242 this->dc_pin_->digital_write(true);
243 this->cs_->digital_write(true);
244
245 this->init_reset_();
246 delay(100); // NOLINT
247
248 ESP_LOGD(TAG, " START");
249 dump_config();
250 ESP_LOGD(TAG, " END");
251
252 display_init_(RCMD1);
253
254 if (this->model_ == INITR_GREENTAB) {
255 display_init_(RCMD2GREEN);
256 colstart_ == 0 ? colstart_ = 2 : colstart_;
257 rowstart_ == 0 ? rowstart_ = 1 : rowstart_;
258 } else if ((this->model_ == INITR_144GREENTAB) || (this->model_ == INITR_HALLOWING)) {
259 height_ == 0 ? height_ = ST7735_TFTHEIGHT_128 : height_;
260 width_ == 0 ? width_ = ST7735_TFTWIDTH_128 : width_;
261 display_init_(RCMD2GREEN144);
262 colstart_ == 0 ? colstart_ = 2 : colstart_;
263 rowstart_ == 0 ? rowstart_ = 3 : rowstart_;
264 } else if (this->model_ == INITR_MINI_160X80) {
265 height_ == 0 ? height_ = ST7735_TFTHEIGHT_160 : height_;
266 width_ == 0 ? width_ = ST7735_TFTWIDTH_80 : width_;
267 display_init_(RCMD2GREEN160X80);
268 colstart_ == 0 ? colstart_ = 24 : colstart_;
269 rowstart_ == 0 ? rowstart_ = 0 : rowstart_;
270 } else {
271 // colstart, rowstart left at default '0' values
272 display_init_(RCMD2RED);
273 }
274 display_init_(RCMD3);
275
276 uint8_t data = 0;
277 if (this->model_ != INITR_HALLOWING) {
278 data = ST77XX_MADCTL_MX | ST77XX_MADCTL_MY;
279 }
280 if (this->usebgr_) {
281 data = data | ST7735_MADCTL_BGR;
282 } else {
283 data = data | ST77XX_MADCTL_RGB;
284 }
285 sendcommand_(ST77XX_MADCTL, &data, 1);
286
287 if (this->invert_colors_)
288 sendcommand_(ST77XX_INVON, nullptr, 0);
289
290 this->init_internal_(this->get_buffer_length());
291 memset(this->buffer_, 0x00, this->get_buffer_length());
292}
293
294void ST7735::update() {
295 this->do_update_();
296 this->write_display_data_();
297}
298
299int ST7735::get_height_internal() { return height_; }
300
301int ST7735::get_width_internal() { return width_; }
302
303size_t ST7735::get_buffer_length() {
304 if (this->eightbitcolor_) {
305 return size_t(this->get_width_internal()) * size_t(this->get_height_internal());
306 }
307 return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) * 2;
308}
309
310void HOT ST7735::draw_absolute_pixel_internal(int x, int y, Color color) {
311 if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
312 return;
313
314 if (this->eightbitcolor_) {
315 const uint32_t color332 = display::ColorUtil::color_to_332(color);
316 uint16_t pos = (x + y * this->get_width_internal());
317 this->buffer_[pos] = color332;
318 } else {
319 const uint32_t color565 = display::ColorUtil::color_to_565(color);
320 uint16_t pos = (x + y * this->get_width_internal()) * 2;
321 this->buffer_[pos++] = (color565 >> 8) & 0xff;
322 this->buffer_[pos] = color565 & 0xff;
323 }
324}
325
326void ST7735::init_reset_() {
327 if (this->reset_pin_ != nullptr) {
328 this->reset_pin_->setup();
329 this->reset_pin_->digital_write(true);
330 delay(1);
331 // Trigger Reset
332 this->reset_pin_->digital_write(false);
333 delay(10);
334 // Wake up
335 this->reset_pin_->digital_write(true);
336 }
337}
338const char *ST7735::model_str_() {
339 switch (this->model_) {
340 case INITR_GREENTAB:
341 return "ST7735 GREENTAB";
342 case INITR_REDTAB:
343 return "ST7735 REDTAB";
344 case INITR_BLACKTAB:
345 return "ST7735 BLACKTAB";
346 case INITR_MINI_160X80:
347 return "ST7735 MINI160x80";
348 default:
349 return "Unknown";
350 }
351}
352
353void ST7735::display_init_(const uint8_t *addr) {
354 uint8_t num_commands, cmd, num_args;
355 uint16_t ms;
356
357 num_commands = progmem_read_byte(addr++); // Number of commands to follow
358 while (num_commands--) { // For each command...
359 cmd = progmem_read_byte(addr++); // Read command
360 num_args = progmem_read_byte(addr++); // Number of args to follow
361 ms = num_args & ST_CMD_DELAY; // If hibit set, delay follows args
362 num_args &= ~ST_CMD_DELAY; // Mask out delay bit
363 this->sendcommand_(cmd, addr, num_args);
364 addr += num_args;
365
366 if (ms) {
367 ms = progmem_read_byte(addr++); // Read post-command delay time (ms)
368 if (ms == 255)
369 ms = 500; // If 255, delay for 500 ms
370 delay(ms);
371 }
372 }
373}
374
375void ST7735::dump_config() {
376 LOG_DISPLAY("", "ST7735", this);
377 ESP_LOGCONFIG(TAG, " Model: %s", this->model_str_());
378 LOG_PIN(" CS Pin: ", this->cs_);
379 LOG_PIN(" DC Pin: ", this->dc_pin_);
380 LOG_PIN(" Reset Pin: ", this->reset_pin_);
381 ESP_LOGD(TAG, " Buffer Size: %zu", this->get_buffer_length());
382 ESP_LOGD(TAG, " Height: %d", this->height_);
383 ESP_LOGD(TAG, " Width: %d", this->width_);
384 ESP_LOGD(TAG, " ColStart: %d", this->colstart_);
385 ESP_LOGD(TAG, " RowStart: %d", this->rowstart_);
386 LOG_UPDATE_INTERVAL(this);
387}
388
389void HOT ST7735::writecommand_(uint8_t value) {
390 this->enable();
391 this->dc_pin_->digital_write(false);
392 this->write_byte(value);
393 this->dc_pin_->digital_write(true);
394 this->disable();
395}
396
397void HOT ST7735::writedata_(uint8_t value) {
398 this->dc_pin_->digital_write(true);
399 this->enable();
400 this->write_byte(value);
401 this->disable();
402}
403
404void HOT ST7735::sendcommand_(uint8_t cmd, const uint8_t *data_bytes, uint8_t num_data_bytes) {
405 this->writecommand_(cmd);
406 this->senddata_(data_bytes, num_data_bytes);
407}
408
409void HOT ST7735::senddata_(const uint8_t *data_bytes, uint8_t num_data_bytes) {
410 this->dc_pin_->digital_write(true); // pull DC high to indicate data
411 this->cs_->digital_write(false);
412 this->enable();
413 for (uint8_t i = 0; i < num_data_bytes; i++) {
414 this->write_byte(progmem_read_byte(data_bytes++)); // write byte - SPI library
415 }
416 this->cs_->digital_write(true);
417 this->disable();
418}
419
420void HOT ST7735::write_display_data_() {
421 uint16_t offsetx = colstart_;
422 uint16_t offsety = rowstart_;
423
424 uint16_t x1 = offsetx;
425 uint16_t x2 = x1 + get_width_internal() - 1;
426 uint16_t y1 = offsety;
427 uint16_t y2 = y1 + get_height_internal() - 1;
428
429 this->enable();
430
431 // set column(x) address
432 this->dc_pin_->digital_write(false);
433 this->write_byte(ST77XX_CASET);
434 this->dc_pin_->digital_write(true);
435 this->spi_master_write_addr_(x1, x2);
436
437 // set Page(y) address
438 this->dc_pin_->digital_write(false);
439 this->write_byte(ST77XX_RASET);
440 this->dc_pin_->digital_write(true);
441 this->spi_master_write_addr_(y1, y2);
442
443 // Memory Write
444 this->dc_pin_->digital_write(false);
445 this->write_byte(ST77XX_RAMWR);
446 this->dc_pin_->digital_write(true);
447
448 if (this->eightbitcolor_) {
449 for (size_t line = 0; line < this->get_buffer_length(); line = line + this->get_width_internal()) {
450 for (int index = 0; index < this->get_width_internal(); ++index) {
451 auto color332 = display::ColorUtil::to_color(this->buffer_[index + line], display::ColorOrder::COLOR_ORDER_RGB,
452 display::ColorBitness::COLOR_BITNESS_332, true);
453
454 auto color = display::ColorUtil::color_to_565(color332);
455
456 this->write_byte((color >> 8) & 0xff);
457 this->write_byte(color & 0xff);
458 }
459 }
460 } else {
461 this->write_array(this->buffer_, this->get_buffer_length());
462 }
463 this->disable();
464}
465
466void ST7735::spi_master_write_addr_(uint16_t addr1, uint16_t addr2) {
467 static uint8_t byte[4];
468 byte[0] = (addr1 >> 8) & 0xFF;
469 byte[1] = addr1 & 0xFF;
470 byte[2] = (addr2 >> 8) & 0xFF;
471 byte[3] = addr2 & 0xFF;
472
473 this->dc_pin_->digital_write(true);
474 this->write_array(byte, 4);
475}
476
477void ST7735::spi_master_write_color_(uint16_t color, uint16_t size) {
478 static uint8_t byte[1024];
479 int index = 0;
480 for (int i = 0; i < size; i++) {
481 byte[index++] = (color >> 8) & 0xFF;
482 byte[index++] = color & 0xFF;
483 }
484
485 this->dc_pin_->digital_write(true);
486 write_array(byte, size * 2);
487}
488
489} // namespace st7735
490} // namespace esphome
esphome::GPIOPin::setup
virtual void setup()=0
esphome::GPIOPin::digital_write
virtual void digital_write(bool value)=0
esphome::display::ColorUtil::color_to_565
static uint16_t color_to_565(Color color, ColorOrder color_order=ColorOrder::COLOR_ORDER_RGB)
Definition display_color_utils.h:89
esphome::display::ColorUtil::color_to_332
static uint8_t color_to_332(Color color, ColorOrder color_order=ColorOrder::COLOR_ORDER_RGB)
Definition display_color_utils.h:72
esphome::display::ColorUtil::to_color
static Color to_color(uint32_t colorcode, ColorOrder color_order, ColorBitness color_bitness=ColorBitness::COLOR_BITNESS_888, bool right_bit_aligned=true)
Definition display_color_utils.h:12
esphome::display::DisplayBuffer::init_internal_
void init_internal_(uint32_t buffer_length)
Definition display_buffer.cpp:13
esphome::display::Display::line
void line(int x1, int y1, int x2, int y2, Color color=COLOR_ON)
Draw a straight line from the point [x1,y1] to [x2,y2] with the given color.
Definition display.cpp:18
esphome::st7735::ST7735::model_str_
const char * model_str_()
Definition st7735.cpp:338
esphome::st7735::ST7735::senddata_
void senddata_(const uint8_t *data_bytes, uint8_t num_data_bytes)
Definition st7735.cpp:409
esphome::st7735::ST7735::get_height_internal
int get_height_internal() override
Definition st7735.cpp:299
esphome::st7735::ST7735::reset_pin_
GPIOPin * reset_pin_
Definition st7735.h:85
esphome::st7735::ST7735::draw_absolute_pixel_internal
void draw_absolute_pixel_internal(int x, int y, Color color) override
Definition st7735.cpp:310
esphome::st7735::ST7735::model_
ST7735Model model_
Definition st7735.h:78
esphome::st7735::ST7735::display_init_
void display_init_(const uint8_t *addr)
Definition st7735.cpp:353
esphome::st7735::ST7735::writecommand_
void writecommand_(uint8_t value)
Definition st7735.cpp:389
esphome::st7735::ST7735::writedata_
void writedata_(uint8_t value)
Definition st7735.cpp:397
esphome::st7735::ST7735::get_width_internal
int get_width_internal() override
Definition st7735.cpp:301
esphome::st7735::ST7735::update
void update() override
Definition st7735.cpp:294
esphome::st7735::ST7735::dump_config
void dump_config() override
Definition st7735.cpp:375
esphome::st7735::ST7735::ST7735
ST7735(ST7735Model model, int width, int height, int colstart, int rowstart, bool eightbitcolor, bool usebgr, bool invert_colors)
Definition st7735.cpp:224
esphome::st7735::ST7735::setup
void setup() override
Definition st7735.cpp:235
esphome::st7735::ST7735::spi_master_write_addr_
void spi_master_write_addr_(uint16_t addr1, uint16_t addr2)
Definition st7735.cpp:466
esphome::st7735::ST7735::spi_master_write_color_
void spi_master_write_color_(uint16_t color, uint16_t size)
Definition st7735.cpp:477
esphome::st7735::ST7735::sendcommand_
void sendcommand_(uint8_t cmd, const uint8_t *data_bytes, uint8_t num_data_bytes)
Definition st7735.cpp:404
esphome
Providing packet encoding functions for exchanging data with a remote host.
Definition a01nyub.cpp:7
esphome::delay
void IRAM_ATTR HOT delay(uint32_t ms)
Definition core.cpp:28
esphome::progmem_read_byte
uint8_t progmem_read_byte(const uint8_t *addr)
Definition core.cpp:57
x
uint16_t x
Definition tt21100.cpp:5
y
uint16_t y
Definition tt21100.cpp:6
PROGMEM
const uint8_t ESPHOME_WEBSERVER_INDEX_HTML[] PROGMEM
Definition web_server.h:29
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