LillyGo TDeck support

2026-03-30 14:55:46 +00:00 · 2025-09-22 23:48:46 +10:00
parent 4579a1bcaf
commit f100894882
8 changed files with 520 additions and 0 deletions
--- a/src/helpers/ui/ST7789LCDDisplay.cpp
+++ b/src/helpers/ui/ST7789LCDDisplay.cpp
@@ -0,0 +1,141 @@
+#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();
+
+    pinMode(PIN_TFT_LEDA_CTL, OUTPUT);
+    digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
+    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.
+    #ifdef LILYGO_TDECK
+      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.cp437(true); // Use full 256 char 'Code Page 437' font
+  
+    _isOn = true;
+  }
+
+  return true;
+}
+
+void ST7789LCDDisplay::turnOn() {
+  ST7789LCDDisplay::begin();
+}
+
+void ST7789LCDDisplay::turnOff() {
+  if (_isOn) {
+    digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
+    digitalWrite(PIN_TFT_RST, LOW);
+    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); // 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);
+}
+
+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) {
+  display.drawBitmap(x * DISPLAY_SCALE_X, y * DISPLAY_SCALE_Y, bits, w, h, _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();
+}