#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>
#include <SPI.h>

// Pin configuration (adjust as per your wiring)
#define TFT_CS   12   // Chip Select
#define TFT_DC   18   // Data/Command
#define TFT_RST   9   // Reset

Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

void setup() {
  // Initialize serial for debug
  Serial.begin(115200);
  Serial.println("ST7789 Test Sketch Starting...");

  // Initialize TFT
  tft.init(240, 280); 
  tft.fillScreen(ST77XX_BLACK);

  // Show test text
  tft.setTextColor(ST77XX_YELLOW);
  tft.setTextSize(2);
  tft.setCursor(20, 120);
  tft.println("ST7789 240x280 TFT");

  tft.setCursor(20, 150);
  tft.println("Arvind Patil Nandurbar");

  // Draw some test graphics
  tft.fillCircle(120, 200, 40, ST77XX_RED);
  tft.drawRect(50, 50, 140, 60, ST77XX_GREEN);
}

void loop() {
  // Simple color cycling demo
  static int colorIndex = 0;
  uint16_t colors[] = { ST77XX_BLUE, ST77XX_RED, ST77XX_GREEN, ST77XX_CYAN, ST77XX_MAGENTA, ST77XX_YELLOW };

  tft.fillScreen(colors[colorIndex]);
  delay(1000);

  colorIndex = (colorIndex + 1) % 6;
}