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

// Screen dimensions
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

// OLED reset pin (you can set this to -1 if not using a reset pin)
#define OLED_RESET    -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// 'nav3', 32x32px, navigation icon
const unsigned char epd_bitmap_nav3 [] PROGMEM = {
  0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0x80, 0x01, 0xff, 
  0xff, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xfc, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x00, 0x3f, 
  0xf8, 0x01, 0x80, 0x1f, 0xf8, 0x03, 0xe0, 0x1f, 0xf8, 0x07, 0xe0, 0x1f, 0xf8, 0x0f, 0xf0, 0x1f, 
  0xf8, 0x0f, 0xf0, 0x1f, 0xf8, 0x0f, 0xf0, 0x1f, 0xf8, 0x07, 0xe0, 0x1f, 0xf8, 0x03, 0xc0, 0x1f, 
  0xfc, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x00, 0x3f, 0xfe, 0x00, 0x00, 0x7f, 0xfe, 0x00, 0x00, 0x7f, 
  0xff, 0x00, 0x00, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xc0, 0x03, 0xff, 
  0xff, 0xe0, 0x07, 0xff, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xf8, 0x1f, 0xff, 
  0xff, 0xfc, 0x3f, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff
};

void setup() {
  // Initialize the display
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {  // Check I2C address
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Infinite loop if the OLED init fails
  }
  display.display();  // Show splash screen for a brief moment
  delay(2000);        // Pause for 2 seconds
  
  display.clearDisplay();  // Clear the buffer
}

void loop() {
  // Clear the display buffer
  display.clearDisplay();

  // Draw the navigation icon (nav3)
  display.drawBitmap(48, 16, epd_bitmap_nav3, 32, 32, WHITE);  // Draw at (x = 48, y = 16)

  // Display the buffer on the screen
  display.display();

  delay(1000);  // Delay to refresh the screen every second
}