#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 (SDA, SCL pins)
// The parameter -1 indicates that the display does not have a physical reset pin
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  // Initialize with the I2C address 0x3C (common default for these displays)
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
  
  display.clearDisplay(); // Clear the buffer
  display.setTextSize(1);      // Normal 1:1 pixel scale
  display.setTextColor(SSD1306_WHITE); // Draw white text
  display.setCursor(0, 10);     // Start at top-left corner
  
  display.println(F("Hello, Arduino!"));
  display.println(F("OLED Display OK"));
  display.display();
  display.clearDisplay();
  delay(2000);
  display.println(F("Rio de Janeiro!"));
  display.println(F("VascoooooOOOOO"));

  display.display(); // Actually push everything to the screen
}

void loop() {
  // Put your main code here, to run repeatedly:
}