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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
Adafruit_SSD1306 display(SCREEN_WIDTH,SCREEN_HEIGHT, &Wire);


void setup() {
  pinMode(5, INPUT_PULLUP);
  pinMode(17, INPUT_PULLUP);
  pinMode(16, INPUT_PULLUP);
  pinMode(25, INPUT_PULLUP);

  Serial.begin(115200);
  if (!EEPROM.begin(EEPROM_SIZE)) { 
    Serial.println("Failed init EEPROM"); 
    delay(1000); 
    ESP.restart(); 
  } 
}

void showled(int add,int value)
{
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  display.println(F("ESP32 I2C MCP23017"));
  display.setCursor(0,16);
  display.println(F("LED8 = ON || LED9 = OFF"));
  display.display();
}

void loop() {
  if(digitalRead(17))
  {
    EEPROM.write(1,0);
    EEPROM.commit();
    showled(1,0)
  }
  if(digitalRead(16))
  {
    EEPROM.write(2,82);
    EEPROM.commit();
  }
  if(digitalRead(5))
  {

  }
}