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#include "ST7789LCDDisplay.h"
#ifndef DISPLAY_ROTATION
#define DISPLAY_ROTATION 3
#endif
#ifndef DISPLAY_SCALE_X
#define DISPLAY_SCALE_X 2.5f // 320 / 128
#endif
#ifndef DISPLAY_SCALE_Y
#define DISPLAY_SCALE_Y 3.75f // 240 / 64
#endif
#define DISPLAY_WIDTH 240
#define DISPLAY_HEIGHT 320
bool ST7789LCDDisplay::i2c_probe(TwoWire& wire, uint8_t addr) {
return true;
}
bool ST7789LCDDisplay::begin() {
if (!_isOn) {
if (_peripher_power) _peripher_power->claim();
if (PIN_TFT_LEDA_CTL != -1) {
pinMode(PIN_TFT_LEDA_CTL, OUTPUT);
digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
}
if (PIN_TFT_RST != -1) {
pinMode(PIN_TFT_RST, OUTPUT);
digitalWrite(PIN_TFT_RST, LOW);
delay(10);
digitalWrite(PIN_TFT_RST, HIGH);
}
// Im not sure if this is just a t-deck problem or not, if your display is slow try this.
#if defined(LILYGO_TDECK) || defined(HELTEC_LORA_V4_TFT)
displaySPI.begin(PIN_TFT_SCL, -1, PIN_TFT_SDA, PIN_TFT_CS);
#endif
display.init(DISPLAY_WIDTH, DISPLAY_HEIGHT);
display.setRotation(DISPLAY_ROTATION);
display.setSPISpeed(40e6);
display.fillScreen(ST77XX_BLACK);
display.setTextColor(ST77XX_WHITE);
display.setTextSize(2 * DISPLAY_SCALE_X);
display.cp437(true); // Use full 256 char 'Code Page 437' font
_isOn = true;
}
return true;
}
void ST7789LCDDisplay::turnOn() {
ST7789LCDDisplay::begin();
}
void ST7789LCDDisplay::turnOff() {
if (_isOn) {
if (PIN_TFT_LEDA_CTL != -1) {
digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
}
if (PIN_TFT_RST != -1) {
digitalWrite(PIN_TFT_RST, LOW);
}
if (PIN_TFT_LEDA_CTL != -1) {
digitalWrite(PIN_TFT_LEDA_CTL, LOW);
}
_isOn = false;
if (_peripher_power) _peripher_power->release();
}
}
void ST7789LCDDisplay::clear() {
display.fillScreen(ST77XX_BLACK);
}
void ST7789LCDDisplay::startFrame(Color bkg) {
display.fillScreen(ST77XX_BLACK);
display.setTextColor(ST77XX_WHITE);
display.setTextSize(1 * DISPLAY_SCALE_X); // This one affects size of Please wait... message
display.cp437(true); // Use full 256 char 'Code Page 437' font
}
void ST7789LCDDisplay::setTextSize(int sz) {
display.setTextSize(sz * DISPLAY_SCALE_X);
}
void ST7789LCDDisplay::setColor(Color c) {
switch (c) {
case DisplayDriver::DARK :
_color = ST77XX_BLACK;
break;
case DisplayDriver::LIGHT :
_color = ST77XX_WHITE;
break;
case DisplayDriver::RED :
_color = ST77XX_RED;
break;
case DisplayDriver::GREEN :
_color = ST77XX_GREEN;
break;
case DisplayDriver::BLUE :
_color = ST77XX_BLUE;
break;
case DisplayDriver::YELLOW :
_color = ST77XX_YELLOW;
break;
case DisplayDriver::ORANGE :
_color = ST77XX_ORANGE;
break;
default:
_color = ST77XX_WHITE;
break;
}
display.setTextColor(_color);
}
void ST7789LCDDisplay::setCursor(int x, int y) {
display.setCursor(x * DISPLAY_SCALE_X, y * DISPLAY_SCALE_Y);
}
void ST7789LCDDisplay::print(const char* str) {
display.print(str);
}
void ST7789LCDDisplay::fillRect(int x, int y, int w, int h) {
display.fillRect(x * DISPLAY_SCALE_X, y * DISPLAY_SCALE_Y, w * DISPLAY_SCALE_X, h * DISPLAY_SCALE_Y, _color);
}
void ST7789LCDDisplay::drawRect(int x, int y, int w, int h) {
display.drawRect(x * DISPLAY_SCALE_X, y * DISPLAY_SCALE_Y, w * DISPLAY_SCALE_X, h * DISPLAY_SCALE_Y, _color);
}
void ST7789LCDDisplay::drawXbm(int x, int y, const uint8_t* bits, int w, int h) {
uint8_t byteWidth = (w + 7) / 8;
for (int j = 0; j < h; j++) {
for (int i = 0; i < w; i++) {
uint8_t byte = bits[j * byteWidth + i / 8];
bool pixelOn = byte & (0x80 >> (i & 7));
if (pixelOn) {
for (int dy = 0; dy < DISPLAY_SCALE_X; dy++) {
for (int dx = 0; dx < DISPLAY_SCALE_X; dx++) {
display.drawPixel(x * DISPLAY_SCALE_X + i * DISPLAY_SCALE_X + dx, y * DISPLAY_SCALE_Y + j * DISPLAY_SCALE_X + dy, _color);
}
}
}
}
}
}
uint16_t ST7789LCDDisplay::getTextWidth(const char* str) {
int16_t x1, y1;
uint16_t w, h;
display.getTextBounds(str, 0, 0, &x1, &y1, &w, &h);
return w / DISPLAY_SCALE_X;
}
void ST7789LCDDisplay::endFrame() {
// display.display();
}
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