#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SCL, SDA pins)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  Wire.begin(8, 9); // Initialize I2C with SDA = GPIO8, SCL = GPIO9 for ESP32-S3
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Check if SSD1306 initialisation succeeded
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }

  display.clearDisplay();
  display.setTextSize(1); // Normal 1:1 pixel scale
  display.setTextColor(SSD1306_WHITE); // Draw white text
  display.setCursor(0,0); // Start at top-left corner
  display.println(F("Hello, world!"));
  display.display();
  delay(2000); // Display for 2 seconds
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}