acid-drop- Hacking the planet from a LilyGo T-Deck using custom firmware |
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Arduino_HX8347C.cpp (10850B)
1 /* 2 * start rewrite from: 3 * https://github.com/adafruit/Adafruit-GFX-Library.git 4 */ 5 #include "Arduino_HX8347C.h" 6 7 Arduino_HX8347C::Arduino_HX8347C( 8 Arduino_DataBus *bus, int8_t rst, uint8_t r, 9 bool ips, int16_t w, int16_t h, 10 uint8_t col_offset1, uint8_t row_offset1, uint8_t col_offset2, uint8_t row_offset2) 11 : Arduino_TFT(bus, rst, r, ips, w, h, col_offset1, row_offset1, col_offset2, row_offset2) 12 { 13 _invert = ips; 14 } 15 16 bool Arduino_HX8347C::begin(int32_t speed) 17 { 18 return Arduino_TFT::begin(speed); 19 } 20 21 // Companion code to the above tables. Reads and issues 22 // a series of LCD commands stored in PROGMEM byte array. 23 void Arduino_HX8347C::tftInit() 24 { 25 if (_rst != GFX_NOT_DEFINED) 26 { 27 pinMode(_rst, OUTPUT); 28 digitalWrite(_rst, HIGH); 29 delay(100); 30 digitalWrite(_rst, LOW); 31 delay(HX8347C_RST_DELAY); 32 digitalWrite(_rst, HIGH); 33 delay(HX8347C_RST_DELAY); 34 } 35 else 36 { 37 // Software Rest 38 } 39 40 // LCD Init For 3.0inch LCD Panel with HX8347C. 41 // Power Voltage Setting 42 _bus->sendCommand(0x1A); 43 _bus->sendData(0x02); // BT 44 _bus->sendCommand(0x1B); 45 _bus->sendData(0x8B); // VRH 46 //****VCOM offset**/// 47 _bus->sendCommand(0x23); 48 _bus->sendData(0x00); // SEL_VCM 49 _bus->sendCommand(0x24); 50 _bus->sendData(0x5D); // VCM 51 _bus->sendCommand(0x25); 52 _bus->sendData(0x15); // VDV 53 _bus->sendCommand(0x2D); 54 _bus->sendData(0x01); // NOW[2:0]=001 55 //****OPON**// 56 _bus->sendCommand(0xE8); 57 _bus->sendData(0x60); 58 // Power on Setting 59 _bus->sendCommand(0x18); 60 _bus->sendData(0x04); // Frame rate 72Hz 61 _bus->sendCommand(0x19); 62 _bus->sendData(0x01); // OSC_EN='1', start Osc 63 _bus->sendCommand(0x01); 64 _bus->sendData(0x00); // DP_STB='0', out deep sleep 65 _bus->sendCommand(0x1F); 66 _bus->sendData(0x88); // STB=0 67 delay(5); 68 _bus->sendCommand(0x1F); 69 _bus->sendData(0x80); // DK=0 70 delay(5); 71 _bus->sendCommand(0x1F); 72 _bus->sendData(0x90); // PON=1 73 delay(5); 74 _bus->sendCommand(0x1F); 75 _bus->sendData(0xD0); // VCOMG=1 76 delay(5); 77 78 // 262k/65k color selection 79 _bus->sendCommand(0x17); 80 _bus->sendData(0x05); // default 0x06 262k color // 0x05 65k color 81 // SET PANEL 82 _bus->sendCommand(0x29); 83 _bus->sendData(0x31); // 400 lines 84 _bus->sendCommand(0x71); 85 _bus->sendData(0x1A); // RTN 86 // Gamma 2.2 Setting 87 _bus->sendCommand(0x40); 88 _bus->sendData(0x00); 89 _bus->sendCommand(0x41); 90 _bus->sendData(0x77); 91 _bus->sendCommand(0x42); 92 _bus->sendData(0x77); 93 _bus->sendCommand(0x43); 94 _bus->sendData(0x00); 95 _bus->sendCommand(0x44); 96 _bus->sendData(0x04); 97 _bus->sendCommand(0x45); 98 _bus->sendData(0x00); 99 _bus->sendCommand(0x46); 100 _bus->sendData(0x00); 101 _bus->sendCommand(0x47); 102 _bus->sendData(0x00); 103 _bus->sendCommand(0x48); 104 _bus->sendData(0x77); 105 _bus->sendCommand(0x49); 106 _bus->sendData(0x00); 107 _bus->sendCommand(0x4A); 108 _bus->sendData(0x00); 109 _bus->sendCommand(0x4B); 110 _bus->sendData(0x08); 111 _bus->sendCommand(0x4C); 112 _bus->sendData(0x00); 113 _bus->sendCommand(0x4D); 114 _bus->sendData(0x00); 115 _bus->sendCommand(0x4E); 116 _bus->sendData(0x00); 117 // Set DGC 118 _bus->sendCommand(0xFF); 119 _bus->sendData(0x01); // Page1 120 _bus->sendCommand(0x00); 121 _bus->sendData(0x01); // DGC_EN 122 _bus->sendCommand(0x01); 123 _bus->sendData(0x00); 124 _bus->sendCommand(0x02); 125 _bus->sendData(0x06); 126 _bus->sendCommand(0x03); 127 _bus->sendData(0x0C); 128 _bus->sendCommand(0x04); 129 _bus->sendData(0x12); 130 _bus->sendCommand(0x05); 131 _bus->sendData(0x16); 132 _bus->sendCommand(0x06); 133 _bus->sendData(0x1C); 134 _bus->sendCommand(0x07); 135 _bus->sendData(0x23); 136 _bus->sendCommand(0x08); 137 _bus->sendData(0x2E); 138 _bus->sendCommand(0x09); 139 _bus->sendData(0x36); 140 _bus->sendCommand(0x0A); 141 _bus->sendData(0x3F); 142 _bus->sendCommand(0x0B); 143 _bus->sendData(0x47); 144 _bus->sendCommand(0x0C); 145 _bus->sendData(0x50); 146 _bus->sendCommand(0x0D); 147 _bus->sendData(0x57); 148 _bus->sendCommand(0x0E); 149 _bus->sendData(0x5F); 150 _bus->sendCommand(0x0F); 151 _bus->sendData(0x67); 152 _bus->sendCommand(0x10); 153 _bus->sendData(0x6F); 154 _bus->sendCommand(0x11); 155 _bus->sendData(0x76); 156 _bus->sendCommand(0x12); 157 _bus->sendData(0x7F); 158 _bus->sendCommand(0x13); 159 _bus->sendData(0x87); 160 _bus->sendCommand(0x14); 161 _bus->sendData(0x90); 162 _bus->sendCommand(0x15); 163 _bus->sendData(0x99); 164 _bus->sendCommand(0x16); 165 _bus->sendData(0xA3); 166 _bus->sendCommand(0x17); 167 _bus->sendData(0xAD); 168 _bus->sendCommand(0x18); 169 _bus->sendData(0xB4); 170 _bus->sendCommand(0x19); 171 _bus->sendData(0xBB); 172 _bus->sendCommand(0x1A); 173 _bus->sendData(0xC4); 174 _bus->sendCommand(0x1B); 175 _bus->sendData(0xCE); 176 _bus->sendCommand(0x1C); 177 _bus->sendData(0xD9); 178 _bus->sendCommand(0x1D); 179 _bus->sendData(0xE3); 180 _bus->sendCommand(0x1E); 181 _bus->sendData(0xEC); 182 _bus->sendCommand(0x1F); 183 _bus->sendData(0xF3); 184 _bus->sendCommand(0x20); 185 _bus->sendData(0xF7); 186 _bus->sendCommand(0x21); 187 _bus->sendData(0xFC); 188 _bus->sendCommand(0x22); 189 _bus->sendData(0x00); 190 _bus->sendCommand(0x23); 191 _bus->sendData(0x06); 192 _bus->sendCommand(0x24); 193 _bus->sendData(0x0C); 194 _bus->sendCommand(0x25); 195 _bus->sendData(0x12); 196 _bus->sendCommand(0x26); 197 _bus->sendData(0x16); 198 _bus->sendCommand(0x27); 199 _bus->sendData(0x1C); 200 _bus->sendCommand(0x28); 201 _bus->sendData(0x23); 202 _bus->sendCommand(0x29); 203 _bus->sendData(0x2E); 204 _bus->sendCommand(0x2A); 205 _bus->sendData(0x36); 206 _bus->sendCommand(0x2B); 207 _bus->sendData(0x3F); 208 _bus->sendCommand(0x2C); 209 _bus->sendData(0x47); 210 _bus->sendCommand(0x2D); 211 _bus->sendData(0x50); 212 _bus->sendCommand(0x2E); 213 _bus->sendData(0x57); 214 _bus->sendCommand(0x2F); 215 _bus->sendData(0x5F); 216 _bus->sendCommand(0x30); 217 _bus->sendData(0x67); 218 _bus->sendCommand(0x31); 219 _bus->sendData(0x6F); 220 _bus->sendCommand(0x32); 221 _bus->sendData(0x76); 222 _bus->sendCommand(0x33); 223 _bus->sendData(0x7F); 224 _bus->sendCommand(0x34); 225 _bus->sendData(0x87); 226 _bus->sendCommand(0x35); 227 _bus->sendData(0x90); 228 _bus->sendCommand(0x36); 229 _bus->sendData(0x99); 230 _bus->sendCommand(0x37); 231 _bus->sendData(0xA3); 232 _bus->sendCommand(0x38); 233 _bus->sendData(0xAD); 234 _bus->sendCommand(0x39); 235 _bus->sendData(0xB4); 236 _bus->sendCommand(0x3A); 237 _bus->sendData(0xBB); 238 _bus->sendCommand(0x3B); 239 _bus->sendData(0xC4); 240 _bus->sendCommand(0x3C); 241 _bus->sendData(0xCE); 242 _bus->sendCommand(0x3D); 243 _bus->sendData(0xD9); 244 _bus->sendCommand(0x3E); 245 _bus->sendData(0xE3); 246 _bus->sendCommand(0x3F); 247 _bus->sendData(0xEC); 248 _bus->sendCommand(0x40); 249 _bus->sendData(0xF3); 250 _bus->sendCommand(0x41); 251 _bus->sendData(0xF7); 252 _bus->sendCommand(0x42); 253 _bus->sendData(0xFC); 254 _bus->sendCommand(0x43); 255 _bus->sendData(0x00); 256 _bus->sendCommand(0x44); 257 _bus->sendData(0x06); 258 _bus->sendCommand(0x45); 259 _bus->sendData(0x0C); 260 _bus->sendCommand(0x46); 261 _bus->sendData(0x12); 262 _bus->sendCommand(0x47); 263 _bus->sendData(0x16); 264 _bus->sendCommand(0x48); 265 _bus->sendData(0x1C); 266 _bus->sendCommand(0x49); 267 _bus->sendData(0x23); 268 _bus->sendCommand(0x4A); 269 _bus->sendData(0x2E); 270 _bus->sendCommand(0x4B); 271 _bus->sendData(0x36); 272 _bus->sendCommand(0x4C); 273 _bus->sendData(0x3F); 274 _bus->sendCommand(0x4D); 275 _bus->sendData(0x47); 276 _bus->sendCommand(0x4E); 277 _bus->sendData(0x50); 278 _bus->sendCommand(0x4F); 279 _bus->sendData(0x57); 280 _bus->sendCommand(0x50); 281 _bus->sendData(0x5F); 282 _bus->sendCommand(0x51); 283 _bus->sendData(0x67); 284 _bus->sendCommand(0x52); 285 _bus->sendData(0x6F); 286 _bus->sendCommand(0x53); 287 _bus->sendData(0x76); 288 _bus->sendCommand(0x54); 289 _bus->sendData(0x7F); 290 _bus->sendCommand(0x55); 291 _bus->sendData(0x87); 292 _bus->sendCommand(0x56); 293 _bus->sendData(0x90); 294 _bus->sendCommand(0x57); 295 _bus->sendData(0x99); 296 _bus->sendCommand(0x58); 297 _bus->sendData(0xA3); 298 _bus->sendCommand(0x59); 299 _bus->sendData(0xAD); 300 _bus->sendCommand(0x5A); 301 _bus->sendData(0xB4); 302 _bus->sendCommand(0x5B); 303 _bus->sendData(0xBB); 304 _bus->sendCommand(0x5C); 305 _bus->sendData(0xC4); 306 _bus->sendCommand(0x5D); 307 _bus->sendData(0xCE); 308 _bus->sendCommand(0x5E); 309 _bus->sendData(0xD9); 310 _bus->sendCommand(0x5F); 311 _bus->sendData(0xE3); 312 _bus->sendCommand(0x60); 313 _bus->sendData(0xEC); 314 _bus->sendCommand(0x61); 315 _bus->sendData(0xF3); 316 _bus->sendCommand(0x62); 317 _bus->sendData(0xF7); 318 _bus->sendCommand(0x63); 319 _bus->sendData(0xFC); 320 _bus->sendCommand(0xFF); 321 _bus->sendData(0x00); // Page0 322 // Display ON Setting 323 _bus->sendCommand(0x28); 324 _bus->sendData(0x38); // GON=1, DTE=1, D=10 325 delay(40); 326 _bus->sendCommand(0x28); 327 _bus->sendData(0x3C); // GON=1, DTE=1, D=11 328 _bus->sendCommand(0x22); // Start GRAM write 329 } 330 331 void Arduino_HX8347C::writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h) 332 { 333 if ((x != _currentX) || (w != _currentW)) 334 { 335 int16_t x_start = x + _xStart, x_end = x + w - 1 + _xStart; 336 _bus->writeCommand(0x02); 337 _bus->write(x_start >> 8); 338 _bus->writeCommand(0x03); 339 _bus->write(x_start & 0xFF); 340 _bus->writeCommand(0x04); 341 _bus->write(x_end >> 8); 342 _bus->writeCommand(0x05); 343 _bus->write(x_end & 0xFF); 344 345 _currentX = x; 346 _currentW = w; 347 } 348 if ((y != _currentY) || (h != _currentH)) 349 { 350 int16_t y_start = y + _yStart, y_end = y + h - 1 + _yStart; 351 _bus->writeCommand(0x06); 352 _bus->write(y_start >> 8); 353 _bus->writeCommand(0x07); 354 _bus->write(y_start & 0xFF); 355 _bus->writeCommand(0x08); 356 _bus->write(y_end >> 8); 357 _bus->writeCommand(0x09); 358 _bus->write(y_end & 0xFF); 359 360 _currentY = y; 361 _currentH = h; 362 } 363 364 _bus->writeCommand(0x22); // write to RAM 365 } 366 367 /**************************************************************************/ 368 /*! 369 @brief Set origin of (0,0) and orientation of TFT display 370 @param m The index for rotation, from 0-3 inclusive 371 */ 372 /**************************************************************************/ 373 void Arduino_HX8347C::setRotation(uint8_t r) 374 { 375 Arduino_TFT::setRotation(r); 376 switch (_rotation) 377 { 378 case 1: 379 _bus->sendCommand(0x36); 380 _bus->sendData(_invert ? 0x13 : 0x03); 381 _bus->sendCommand(0x16); 382 _bus->sendData(0x60); 383 break; 384 case 2: 385 _bus->sendCommand(0x36); 386 _bus->sendData(_invert ? 0x13 : 0x03); 387 _bus->sendCommand(0x16); 388 _bus->sendData(0x00); 389 break; 390 case 3: 391 _bus->sendCommand(0x36); 392 _bus->sendData(_invert ? 0x17 : 0x07); 393 _bus->sendCommand(0x16); 394 _bus->sendData(0x20); 395 break; 396 default: // case 0: 397 _bus->sendCommand(0x36); 398 _bus->sendData(_invert ? 0x17 : 0x07); 399 _bus->sendCommand(0x16); 400 _bus->sendData(0x40); 401 break; 402 } 403 } 404 405 void Arduino_HX8347C::invertDisplay(bool i) 406 { 407 _invert = _ips ^ i; 408 setRotation(_rotation); // set invert by calling setRotation() 409 } 410 411 void Arduino_HX8347C::displayOn(void) 412 { 413 _bus->sendCommand(0x28); 414 _bus->sendData(0x3C); // GON=1, DTE=1, D=11 415 } 416 417 void Arduino_HX8347C::displayOff(void) 418 { 419 _bus->sendCommand(0x28); 420 _bus->sendData(0x34); // GON=1, DTE=1, D=01 421 delay(40); 422 }