#include <SPI.h>
#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 SSD1306 display connected using I2C
#define OLED_RESET -1      // Reset pin
#define SCREEN_ADDRESS 0x3C
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup()
{
  Serial.begin(115200);

  // Initialize the OLED object
  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS))
  {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;)
    {
      // Don't proceed, loop forever
    }
  }

  // Clear the buffer.
  display.clearDisplay(); // Clear the display
}

void loop()
{
  // Display Text
  display.setTextSize(1);           // Set font size to 1
  display.setTextColor(WHITE);      // Set text color to white
  display.setCursor(0, 28);         // Set cursor position (x, y)
  display.println("Hello world!");  // Print "Hello world!"
  display.setTextSize(2);           // Set font size to 2
  display.setCursor(0, 42);         // Set cursor position (x, y)
  display.println("ESPUA OLED");     // Print "ESPUA OLED" with increased font size
  display.display();                // Update the display
  delay(2000);                      // Delay for 2 seconds
  display.clearDisplay();           // Clear the display




  // Display Text
  display.setTextSize(1);                           // Set font size to 1
  display.setTextColor(WHITE);                      // Set text color to white
  display.setTextWrap(true);                        // Enable text wrapping
  display.setCursor((SCREEN_WIDTH - 12 * 6) / 2, (SCREEN_HEIGHT - 8) / 2); // Center the cursor both horizontally and vertically
  display.println("Hello world!");                  // Print "Hello world!"
  display.setCursor((SCREEN_WIDTH - 11 * 6) / 2, (SCREEN_HEIGHT + 8) / 2); // Center the cursor both horizontally and vertically
  display.println("ESPUA OLED");                     // Print "ESPUA OLED" with increased font size
  display.display();                                // Update the display
  delay(2000);                                      // Delay for 2 seconds
  display.clearDisplay();                           // Clear the display 
}