#include <LiquidCrystal_I2C.h>

#define pad1 13
#define pad2 12
#define pad3 14
#define pad4 27
#define pad5 26
#define pad6 25
#define pad7 33
#define pad8 32

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x3F for a 16 chars and 2 line display

void setup() {
  lcd.init();
  lcd.clear();         
  lcd.backlight();      // Make sure backlight is on
  
  // Print a message on both lines of the LCD.
  lcd.setCursor(3,0);   //Set cursor to character 2 on line 0
  lcd.print("ESP-OCTAPAD-V1");
  
  lcd.setCursor(1,1);   //Move cursor to character 2 on line 1
  lcd.print("Connecting Pads to");

  lcd.setCursor(2,2);
  lcd.print("espoct.midi/init");

  lcd.setCursor(0,3);
  lcd.print("Connecting to server");

  pinMode(pad1, INPUT);
  pinMode(pad2, INPUT);
  pinMode(pad3, INPUT);
  pinMode(pad4, INPUT);
  pinMode(pad5, INPUT);
  pinMode(pad6, INPUT);
  pinMode(pad7, INPUT);
  pinMode(pad8, INPUT);
  
  delay(3000);
}

#define pad1status LOW;
#define pad2status LOW;
#define pad3status LOW;
#define pad4status LOW;
#define pad5status LOW;
#define pad6status LOW;
#define pad7status LOW;
#define pad8status LOW;

#define lcdText = "";

void loop() {
  lcd.clear();
  pad1status = digitalRead(pad1);
  if(pad1status == HIGH){
    lcd.setCursor(0,0);
    lcd.print("pad1");
    if(lcdText == "pad1"){
      break;
    }
    else{
      lcdText = "pad1";
    }
  }
  if(pad1status == LOW){
    lcd.clear();
    lcdText = "";
  }
}