#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

// Pin definitions for ESP32
#define TFT_DC    2
#define TFT_CS    15
#define TFT_RST   4

// Initialize the display using Hardware SPI (Pins 23 and 18 are default)
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

void setup() {
  Serial.begin(115200);
  Serial.println("ILI9341 Test!"); 

  tft.begin();

  // Rotate screen to landscape
  tft.setRotation(1); 
  
  // Clear screen with a dark blue background
  tft.fillScreen(ILI9341_NAVY);

  // Set text properties
  tft.setCursor(20, 100);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(3);
  tft.println("Hello World!");

  tft.setCursor(20, 140);
  tft.setTextColor(ILI9341_YELLOW);
  tft.setTextSize(2);
  tft.println("ESP32 TFT Test");
}

void loop() {
  // Simple color cycle to test refresh rate
  tft.fillCircle(280, 200, 20, ILI9341_RED);
  delay(500);
  tft.fillCircle(280, 200, 20, ILI9341_GREEN);
  delay(500);
}