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Arduino_GC9A01.cpp
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#include "Arduino_GC9A01.h"
Arduino_GC9A01::Arduino_GC9A01(
Arduino_DataBus *bus, int8_t rst, uint8_t r,
bool ips, int16_t w, int16_t h,
uint8_t col_offset1, uint8_t row_offset1, uint8_t col_offset2, uint8_t row_offset2)
: Arduino_TFT(bus, rst, r, ips, w, h, col_offset1, row_offset1, col_offset2, row_offset2)
{
}
void Arduino_GC9A01::begin(int speed)
{
#if defined(ESP8266) || defined(ESP32)
if (speed == 0)
{
speed = 40000000;
}
#endif
Arduino_TFT::begin(speed);
}
// Companion code to the above tables. Reads and issues
// a series of LCD commands stored in PROGMEM byte array.
void Arduino_GC9A01::tftInit()
{
_bus->sendCommand(0xEF);
_bus->sendCommand(0xEB);
_bus->sendData(0x14);
_bus->sendCommand(0xFE);
_bus->sendCommand(0xEF);
_bus->sendCommand(0xEB);
_bus->sendData(0x14);
_bus->sendCommand(0x84);
_bus->sendData(0x40);
_bus->sendCommand(0x85);
_bus->sendData(0xFF);
_bus->sendCommand(0x86);
_bus->sendData(0xFF);
_bus->sendCommand(0x87);
_bus->sendData(0xFF);
_bus->sendCommand(0x88);
_bus->sendData(0x0A);
_bus->sendCommand(0x89);
_bus->sendData(0x21);
_bus->sendCommand(0x8A);
_bus->sendData(0x00);
_bus->sendCommand(0x8B);
_bus->sendData(0x80);
_bus->sendCommand(0x8C);
_bus->sendData(0x01);
_bus->sendCommand(0x8D);
_bus->sendData(0x01);
_bus->sendCommand(0x8E);
_bus->sendData(0xFF);
_bus->sendCommand(0x8F);
_bus->sendData(0xFF);
_bus->sendCommand(0xB6);
_bus->sendData(0x00);
_bus->sendData(0x20);
_bus->sendCommand(0x3A);
_bus->sendData(0x05);
_bus->sendCommand(0x90);
_bus->sendData(0x08);
_bus->sendData(0x08);
_bus->sendData(0x08);
_bus->sendData(0x08);
_bus->sendCommand(0xBD);
_bus->sendData(0x06);
_bus->sendCommand(0xBC);
_bus->sendData(0x00);
_bus->sendCommand(0xFF);
_bus->sendData(0x60);
_bus->sendData(0x01);
_bus->sendData(0x04);
_bus->sendCommand(0xC3);
_bus->sendData(0x13);
_bus->sendCommand(0xC4);
_bus->sendData(0x13);
_bus->sendCommand(0xC9);
_bus->sendData(0x22);
_bus->sendCommand(0xBE);
_bus->sendData(0x11);
_bus->sendCommand(0xE1);
_bus->sendData(0x10);
_bus->sendData(0x0E);
_bus->sendCommand(0xDF);
_bus->sendData(0x21);
_bus->sendData(0x0c);
_bus->sendData(0x02);
_bus->sendCommand(0xF0);
_bus->sendData(0x45);
_bus->sendData(0x09);
_bus->sendData(0x08);
_bus->sendData(0x08);
_bus->sendData(0x26);
_bus->sendData(0x2A);
_bus->sendCommand(0xF1);
_bus->sendData(0x43);
_bus->sendData(0x70);
_bus->sendData(0x72);
_bus->sendData(0x36);
_bus->sendData(0x37);
_bus->sendData(0x6F);
_bus->sendCommand(0xF2);
_bus->sendData(0x45);
_bus->sendData(0x09);
_bus->sendData(0x08);
_bus->sendData(0x08);
_bus->sendData(0x26);
_bus->sendData(0x2A);
_bus->sendCommand(0xF3);
_bus->sendData(0x43);
_bus->sendData(0x70);
_bus->sendData(0x72);
_bus->sendData(0x36);
_bus->sendData(0x37);
_bus->sendData(0x6F);
_bus->sendCommand(0xED);
_bus->sendData(0x1B);
_bus->sendData(0x0B);
_bus->sendCommand(0xAE);
_bus->sendData(0x77);
_bus->sendCommand(0xCD);
_bus->sendData(0x63);
_bus->sendCommand(0x70);
_bus->sendData(0x07);
_bus->sendData(0x07);
_bus->sendData(0x04);
_bus->sendData(0x0E);
_bus->sendData(0x0F);
_bus->sendData(0x09);
_bus->sendData(0x07);
_bus->sendData(0x08);
_bus->sendData(0x03);
_bus->sendCommand(0xE8);
_bus->sendData(0x34);
_bus->sendCommand(0x62);
_bus->sendData(0x18);
_bus->sendData(0x0D);
_bus->sendData(0x71);
_bus->sendData(0xED);
_bus->sendData(0x70);
_bus->sendData(0x70);
_bus->sendData(0x18);
_bus->sendData(0x0F);
_bus->sendData(0x71);
_bus->sendData(0xEF);
_bus->sendData(0x70);
_bus->sendData(0x70);
_bus->sendCommand(0x63);
_bus->sendData(0x18);
_bus->sendData(0x11);
_bus->sendData(0x71);
_bus->sendData(0xF1);
_bus->sendData(0x70);
_bus->sendData(0x70);
_bus->sendData(0x18);
_bus->sendData(0x13);
_bus->sendData(0x71);
_bus->sendData(0xF3);
_bus->sendData(0x70);
_bus->sendData(0x70);
_bus->sendCommand(0x64);
_bus->sendData(0x28);
_bus->sendData(0x29);
_bus->sendData(0xF1);
_bus->sendData(0x01);
_bus->sendData(0xF1);
_bus->sendData(0x00);
_bus->sendData(0x07);
_bus->sendCommand(0x66);
_bus->sendData(0x3C);
_bus->sendData(0x00);
_bus->sendData(0xCD);
_bus->sendData(0x67);
_bus->sendData(0x45);
_bus->sendData(0x45);
_bus->sendData(0x10);
_bus->sendData(0x00);
_bus->sendData(0x00);
_bus->sendData(0x00);
_bus->sendCommand(0x67);
_bus->sendData(0x00);
_bus->sendData(0x3C);
_bus->sendData(0x00);
_bus->sendData(0x00);
_bus->sendData(0x00);
_bus->sendData(0x01);
_bus->sendData(0x54);
_bus->sendData(0x10);
_bus->sendData(0x32);
_bus->sendData(0x98);
_bus->sendCommand(0x74);
_bus->sendData(0x10);
_bus->sendData(0x85);
_bus->sendData(0x80);
_bus->sendData(0x00);
_bus->sendData(0x00);
_bus->sendData(0x4E);
_bus->sendData(0x00);
_bus->sendCommand(0x98);
_bus->sendData(0x3e);
_bus->sendData(0x07);
_bus->sendCommand(0x35);
if (_ips)
{
_bus->sendCommand(GC9A01_INVON);
}
_bus->sendCommand(GC9A01_SLPOUT);
delay(GC9A01_SLPOUT_DELAY);
_bus->sendCommand(GC9A01_DISPON);
delay(20);
}
void Arduino_GC9A01::writeAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h)
{
if ((x != _currentX) || (w != _currentW) || (y != _currentY) || (h != _currentH))
{
_bus->writeC8D16D16(GC9A01_CASET, x + _xStart, x + w - 1 + _xStart);
_bus->writeC8D16D16(GC9A01_RASET, y + _yStart, y + h - 1 + _yStart);
_bus->writeCommand(GC9A01_RAMWR); // write to RAM
_currentX = x;
_currentY = y;
_currentW = w;
_currentH = h;
}
}
/**************************************************************************/
/*!
@brief Set origin of (0,0) and orientation of TFT display
@param m The index for rotation, from 0-3 inclusive
*/
/**************************************************************************/
void Arduino_GC9A01::setRotation(uint8_t r)
{
Arduino_TFT::setRotation(r);
switch (_rotation)
{
case 0:
r = 0x08;
break;
case 1:
r = 0xC8;
break;
case 2:
r = 0x68;
break;
case 3:
r = 0xA8;
break;
}
_bus->beginWrite();
_bus->writeCommand(GC9A01_MADCTL);
_bus->write(r);
_bus->endWrite();
}
void Arduino_GC9A01::invertDisplay(bool i)
{
_bus->sendCommand(_ips ? (i ? GC9A01_INVOFF : GC9A01_INVON) : (i ? GC9A01_INVON : GC9A01_INVOFF));
}
void Arduino_GC9A01::displayOn(void)
{
_bus->sendCommand(GC9A01_SLPOUT);
delay(GC9A01_SLPOUT_DELAY);
}
void Arduino_GC9A01::displayOff(void)
{
_bus->sendCommand(GC9A01_SLPIN);
delay(GC9A01_SLPIN_DELAY);
}