#include <Arduino.h>
#include <TFT_eSPI.h>   // Graphics library
#include <SPI.h>

// --- Portable User Setup Override ---
#define USER_SETUP_LOADED

// CYD ESP32-2432S028 pin mapping
//#define TFT_MISO -1
//#define TFT_MOSI 23
//#define TFT_SCLK 18
//#define TFT_CS   5
//#define TFT_DC   16
//#define TFT_RST  17
//#define TFT_BL   4   // Backlight

#define TFT_MISO -1
#define TFT_MOSI 23
#define TFT_SCLK 18
#define TFT_CS   15
#define TFT_DC   2
#define TFT_RST  4
#define TFT_BL   21










#define TFT_WIDTH  240
#define TFT_HEIGHT 320
#define ST7789_DRIVER

TFT_eSPI tft = TFT_eSPI();  // Invoke library

void setup() {
  pinMode(TFT_BL, OUTPUT);
  digitalWrite(TFT_BL, HIGH); // turn backlight on

  tft.init();
  tft.setRotation(1);
  tft.fillScreen(TFT_BLACK);

  // Show startup text
  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
  tft.setTextDatum(MC_DATUM);
  tft.drawString("CYD TFT Demo", TFT_WIDTH/2, 20, 4);
}

void loop() {
  // --- Graphics showcase ---
  tft.fillScreen(TFT_BLACK);

  // 1. Gradient rectangles
  for (int i=0; i<240; i+=20) {
    tft.fillRect(i, 40, 20, 40, tft.color565(i, 255-i, i/2));
  }

  // 2. Circles
  tft.fillCircle(60, 140, 30, TFT_RED);
  tft.drawCircle(180, 140, 30, TFT_GREEN);

  // 3. Lines
  tft.drawLine(0, 200, 240, 200, TFT_BLUE);
  tft.drawLine(0, 220, 240, 260, TFT_MAGENTA);

  // 4. Text in multiple fonts
  tft.setTextColor(TFT_WHITE, TFT_BLACK);
  tft.drawString("AI Centre Nandurbar", 20, 280, 2);

  delay(3000);

  // --- Animation: moving box ---
  for (int x=0; x<240; x+=10) {
    tft.fillScreen(TFT_BLACK);
    tft.fillRect(x, 100, 40, 40, TFT_CYAN);
    tft.drawString("Graphics Capability!", 20, 40, 2);
    delay(100);
  }
}