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add GC9C01 display support
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‎README.md

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@@ -378,6 +378,7 @@ ESP32LCD8, ESP32LCD16 and ESP32RGBPanel only supported by arduino-esp32 v2.x and
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### Currently Supported Display [[Wiki](https://github.com/moononournation/Arduino_GFX/wiki/Display-Class)]
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* GC9A01 240x240 round display [[demo video](https://youtu.be/kJrAFm20-zg)]
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* GC9C01 360x360 round display [[demo video](https://youtube.com/shorts/Sk9sVT9PawA)]
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* GC9106 80x160 [[demo video](https://youtu.be/RToGeeb1jxQ)]
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* GC9107 128x128 [[demo video](https://youtube.com/shorts/V1MCQ1tQ8PM)]
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* GC9503V 480x480 (RGB) [[demo video](https://youtube.com/shorts/hk7ZMBRCmjI)]

‎examples/PDQgraphicstest/Arduino_GFX_display.h

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// GC9A01 IPS LCD 240x240
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// Arduino_GFX *gfx = new Arduino_GC9A01(bus, TFT_RST, 0 /* rotation */, true /* IPS */);
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// GC9A01 IPS LCD 360x360
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// Arduino_GFX *g = new Arduino_GC9C01(bus, TFT_RST, 0 /* rotation */);
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// #define CANVAS
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// Arduino_Canvas *gfx = new Arduino_Canvas(360 /* width */, 360 /* height */, g);
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// GC9106 IPS LCD 80x160
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// Arduino_GFX *gfx = new Arduino_GC9106(bus, TFT_RST, 0 /* rotation */, true /* IPS */);
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‎src/Arduino_GFX_Library.h

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#include "display/Arduino_CO5300.h"
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#include "display/Arduino_DSI_Display.h"
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#include "display/Arduino_GC9A01.h"
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#include "display/Arduino_GC9C01.h"
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#include "display/Arduino_GC9106.h"
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#include "display/Arduino_GC9107.h"
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#include "display/Arduino_HX8347C.h"

‎src/display/Arduino_GC9C01.cpp

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#include "Arduino_GC9C01.h"
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#include "SPI.h"
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Arduino_GC9C01::Arduino_GC9C01(
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Arduino_DataBus *bus, int8_t rst, uint8_t r,
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bool ips, int16_t w, int16_t h,
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uint8_t col_offset1, uint8_t row_offset1, uint8_t col_offset2, uint8_t row_offset2)
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: Arduino_TFT(bus, rst, r, ips, w, h, col_offset1, row_offset1, col_offset2, row_offset2)
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{
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}
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bool Arduino_GC9C01::begin(int32_t speed)
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{
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_override_datamode = SPI_MODE0; // always use SPI_MODE0
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return Arduino_TFT::begin(speed);
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}
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void Arduino_GC9C01::writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h)
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{
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if ((x != _currentX) || (w != _currentW) || (y != _currentY) || (h != _currentH))
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{
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_bus->writeC8D16D16(GC9C01_CASET, x + _xStart, x + w - 1 + _xStart);
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_bus->writeC8D16D16(GC9C01_RASET, y + _yStart, y + h - 1 + _yStart);
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_currentX = x;
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_currentY = y;
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_currentW = w;
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_currentH = h;
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}
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_bus->writeCommand(GC9C01_RAMWR); // write to RAM
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}
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/**************************************************************************/
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/*!
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@brief Set origin of (0,0) and orientation of TFT display
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@param m The index for rotation, from 0-3 inclusive
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*/
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/**************************************************************************/
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void Arduino_GC9C01::setRotation(uint8_t r)
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{
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Arduino_TFT::setRotation(r);
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switch (_rotation)
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{
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case 1:
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r = GC9C01_MADCTL_MX | GC9C01_MADCTL_MV | GC9C01_MADCTL_RGB;
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break;
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case 2:
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r = GC9C01_MADCTL_MX | GC9C01_MADCTL_MY | GC9C01_MADCTL_RGB;
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break;
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case 3:
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r = GC9C01_MADCTL_MY | GC9C01_MADCTL_MV | GC9C01_MADCTL_RGB;
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break;
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case 4:
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r = GC9C01_MADCTL_MX | GC9C01_MADCTL_RGB;
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break;
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case 5:
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r = GC9C01_MADCTL_MX | GC9C01_MADCTL_MY | GC9C01_MADCTL_MV | GC9C01_MADCTL_RGB;
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break;
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case 6:
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r = GC9C01_MADCTL_MY | GC9C01_MADCTL_RGB;
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break;
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case 7:
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r = GC9C01_MADCTL_MV | GC9C01_MADCTL_RGB;
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break;
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default: // case 0:
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r = GC9C01_MADCTL_RGB;
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break;
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}
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_bus->beginWrite();
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_bus->writeC8D8(GC9C01_MADCTL, r);
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_bus->endWrite();
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}
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void Arduino_GC9C01::invertDisplay(bool i)
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{
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_bus->sendCommand(_ips ? (i ? GC9C01_INVOFF : GC9C01_INVON) : (i ? GC9C01_INVON : GC9C01_INVOFF));
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}
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void Arduino_GC9C01::displayOn(void)
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{
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_bus->sendCommand(GC9C01_SLPOUT);
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delay(GC9C01_SLPOUT_DELAY);
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}
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void Arduino_GC9C01::displayOff(void)
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{
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_bus->sendCommand(GC9C01_SLPIN);
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delay(GC9C01_SLPIN_DELAY);
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}
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void Arduino_GC9C01::tftInit()
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{
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if (_rst != GFX_NOT_DEFINED)
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{
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pinMode(_rst, OUTPUT);
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digitalWrite(_rst, HIGH);
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delay(GC9C01_RST_DELAY);
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digitalWrite(_rst, LOW);
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delay(GC9C01_RST_DELAY);
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digitalWrite(_rst, HIGH);
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delay(GC9C01_RST_DELAY);
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}
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else
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{
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// Software Rest
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}
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_bus->batchOperation(gc9c01_init_operations, sizeof(gc9c01_init_operations));
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invertDisplay(false);
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}

‎src/display/Arduino_GC9C01.h

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#pragma once
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#include "./Arduino_GFX.h"
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#include "../Arduino_TFT.h"
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#define GC9C01_TFTWIDTH 360
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#define GC9C01_TFTHEIGHT 360
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#define GC9C01_RST_DELAY 200 ///< delay ms wait for reset finish
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#define GC9C01_SLPIN_DELAY 120 ///< delay ms wait for sleep in finish
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#define GC9C01_SLPOUT_DELAY 120 ///< delay ms wait for sleep out finish
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#define GC9C01_NOP 0x00
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#define GC9C01_SWRESET 0x01
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#define GC9C01_RDDID 0x04
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#define GC9C01_RDDST 0x09
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#define GC9C01_SLPIN 0x10
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#define GC9C01_SLPOUT 0x11
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#define GC9C01_PTLON 0x12
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#define GC9C01_NORON 0x13
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#define GC9C01_INVOFF 0x20
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#define GC9C01_INVON 0x21
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#define GC9C01_DISPOFF 0x28
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#define GC9C01_DISPON 0x29
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#define GC9C01_CASET 0x2A
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#define GC9C01_RASET 0x2B
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#define GC9C01_RAMWR 0x2C
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#define GC9C01_RAMRD 0x2E
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#define GC9C01_PTLAR 0x30
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#define GC9C01_COLMOD 0x3A
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#define GC9C01_MADCTL 0x36
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#define GC9C01_MADCTL_MY 0x80
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#define GC9C01_MADCTL_MX 0x40
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#define GC9C01_MADCTL_MV 0x20
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#define GC9C01_MADCTL_ML 0x10
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#define GC9C01_MADCTL_RGB 0x00
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#define GC9C01_RDID1 0xDA
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#define GC9C01_RDID2 0xDB
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#define GC9C01_RDID3 0xDC
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#define GC9C01_RDID4 0xDD
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static const uint8_t gc9c01_init_operations[] = {
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BEGIN_WRITE,
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WRITE_COMMAND_8, 0xfe, // internal reg enable
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WRITE_COMMAND_8, 0xef, // internal reg enable
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WRITE_C8_D8, 0x80, 0x11, // reg_en for 70\74
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WRITE_C8_D8, 0x81, 0x70, // reg_en for 7C\7D\7E
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WRITE_C8_D8, 0x82, 0x09, // reg_en for 90\93
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WRITE_C8_D8, 0x83, 0x03, // reg_en for 98\99
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WRITE_C8_D8, 0x84, 0x20, // reg_en for B5
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WRITE_C8_D8, 0x85, 0x42, // reg_en for B9\BE
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WRITE_C8_D8, 0x86, 0xfc, // reg_en for C2~7
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WRITE_C8_D8, 0x87, 0x09, // reg_en for C8\CB
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WRITE_C8_D8, 0x89, 0x10, // reg_en for EC
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WRITE_C8_D8, 0x8A, 0x4f, // reg_en for F0~3\F6
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WRITE_C8_D8, 0x8C, 0x59, // reg_en for 60\63\64\66
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WRITE_C8_D8, 0x8D, 0x51, // reg_en for 68\6C\6E
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WRITE_C8_D8, 0x8E, 0xae, // reg_en for A1~3\A5\A7
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WRITE_C8_D8, 0x8F, 0xf3, // reg_en for AC~F\A8\A9
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WRITE_C8_D8, 0x36, 0x00,
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WRITE_C8_D8, 0x3a, 0x05, // 565 frame
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WRITE_C8_D8, 0xEC, 0x77,
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WRITE_C8_BYTES, 0x74, 6, // rtn 60Hz
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0x01, 0x80, 0x00, 0x00,
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0x00, 0x00,
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WRITE_C8_D8, 0x98, 0x3E,
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WRITE_C8_D8, 0x99, 0x3E,
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WRITE_C8_D8, 0xC3, 0x2A,
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WRITE_C8_D8, 0xC4, 0x18,
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WRITE_C8_D16, 0xA1, 0x01, 0x04, // SRAM RD OPTION
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WRITE_C8_D16, 0xA2, 0x01, 0x04, // SRAM RD OPTION
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WRITE_C8_D8, 0xA9, 0x1C, // IREF=9.8uA
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WRITE_C8_D16, 0xA5, 0x11, 0x09, // VDDML=1.24V
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WRITE_C8_D8, 0xB9, 0x8A, // RTERM=101O
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WRITE_C8_D8, 0xA8, 0x5E, // VBG_BUF=1.003V, DVDD=1.543V
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WRITE_C8_D8, 0xA7, 0x40, // BIAS=10.2uA
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WRITE_C8_D8, 0xAF, 0x73, // VDDSOU=1.715V ,VDDGM=2.002V
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WRITE_C8_D8, 0xAE, 0x44, // VREE=2.475V,VRDD=2.335V
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WRITE_C8_D8, 0xAD, 0x38, // VRGL=1.635V ,VDDSF=2.018V
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WRITE_C8_D8, 0xA3, 0x5D, // OSC=53.7MHz
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WRITE_C8_D8, 0xC2, 0x02, // VREG_VREF=2.805V
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WRITE_C8_D8, 0xC5, 0x11, // VREG1A=5.99V
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WRITE_C8_D8, 0xC6, 0x0E, // VREG1B=1.505V
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WRITE_C8_D8, 0xC7, 0x13, // VREG2A=-2.995V
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WRITE_C8_D8, 0xC8, 0x0D, // VREG2B=1.497V
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WRITE_C8_D8, 0xCB, 0x02, // 6.09V
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WRITE_C8_D16, 0x7C, 0xB6, 0x26, // 13.12V
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WRITE_C8_D8, 0xAC, 0x24, // VGLO=-8.35V
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WRITE_C8_D8, 0xF6, 0x80, // EPF=2
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WRITE_C8_D16, 0xB5, 0x09, 0x09, // VBP
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WRITE_C8_BYTES, 0x60, 4, // STV1&2
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0x38, 0x0B, 0x5B, 0x56,
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WRITE_C8_BYTES, 0x63, 4, // STV3&4
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0x3A, 0xE0, 0x5B, 0x56, // MAX=0x61
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WRITE_C8_BYTES, 0x64, 6, // CLK_group1
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0x38, 0x0D, 0x72, 0xDD,
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0x5B, 0x56,
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WRITE_C8_BYTES, 0x66, 6, // CLK_group1
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0x38, 0x11, 0x72, 0xE1,
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0x5B, 0x56,
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WRITE_C8_BYTES, 0x68, 7, // FLC&FLV 1~2
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0x3B, 0x08, 0x08, 0x00,
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0x08, 0x29, 0x5B,
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WRITE_C8_BYTES, 0x6E, 32, // gout_Mapping
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0x00, 0x00, 0x00, 0x07, // gout4_swap_fw[4:0]
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0x01, 0x13, 0x11, 0x0B, // gout8_swap_fw[4:0]
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0x09, 0x16, 0x15, 0x1D, // gout12_swap_fw[4:0]
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0x1E, 0x00, 0x00, 0x00, // gout16_swap_fw[4:0]
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0x00, 0x00, 0x00, 0x1E, // gout20_swap_fw[4:0]
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0x1D, 0x15, 0x16, 0x0A, // gout24_swap_fw[4:0]
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0x0C, 0x12, 0x14, 0x02, // gout28_swap_fw[4:0]
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0x08, 0x00, 0x00, 0x00, // gout32_swap_fw[4:0]
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WRITE_C8_D8, 0xBE, 0x11, // SOU_BIAS_FIX=1
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WRITE_C8_BYTES, 0x6C, 7, // precharge GATE
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0xCC, 0x0C, 0xCC, 0x84,
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0xCC, 0x04, 0x50,
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WRITE_C8_D8, 0x7D, 0x72,
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WRITE_C8_D8, 0x7E, 0x38, // VGL_BT=1 5X (BT=0:6X) RT=0
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WRITE_C8_BYTES, 0x70, 10,
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0x02, 0x03, 0x09, 0x05, // vgh_clk
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0x0C, 0x06, 0x09, 0x05, // vgh_clk_porch 0E
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0x0C, 0x06, // vcl_clk_porch 0E
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WRITE_C8_BYTES, 0x90, 4,
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0x06, 0x06, 0x05, 0x06, // bvdd_clk1_ad1
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WRITE_C8_BYTES, 0x93, 3,
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0x45, 0xFF, 0x00,
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// gamma start
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WRITE_C8_BYTES, 0xF0, 6,
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0x45, 0x09, 0x08, 0x08,
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0x26, 0x2A,
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WRITE_C8_BYTES, 0xF1, 6,
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0x43, 0x70, 0x72, 0x36,
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0x37, 0x6F,
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WRITE_C8_BYTES, 0xF2, 6,
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0x45, 0x09, 0x08, 0x08,
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0x26, 0x2A,
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WRITE_C8_BYTES, 0xF3, 6,
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0x43, 0x70, 0x72, 0x36,
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0x37, 0x6F,
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WRITE_COMMAND_8, GC9C01_SLPOUT,
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END_WRITE,
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DELAY, GC9C01_SLPOUT_DELAY,
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BEGIN_WRITE,
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WRITE_COMMAND_8, GC9C01_DISPON, // Display on
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END_WRITE,
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DELAY, 10};
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class Arduino_GC9C01 : public Arduino_TFT
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{
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public:
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Arduino_GC9C01(
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Arduino_DataBus *bus, int8_t rst = GFX_NOT_DEFINED, uint8_t r = 0,
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bool ips = false, int16_t w = GC9C01_TFTWIDTH, int16_t h = GC9C01_TFTHEIGHT,
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uint8_t col_offset1 = 0, uint8_t row_offset1 = 0, uint8_t col_offset2 = 0, uint8_t row_offset2 = 0);
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bool begin(int32_t speed = GFX_NOT_DEFINED) override;
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void writeAddrWindow(int16_t x, int16_t y, uint16_t w, uint16_t h) override;
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void setRotation(uint8_t r) override;
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void invertDisplay(bool) override;
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void displayOn() override;
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void displayOff() override;
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protected:
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void tftInit() override;
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private:
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};

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