#include <LiquidCrystal.h>

LiquidCrystal lcd (12, 11, 2, 3, 4, 5);

byte opening2[8] = {0b01111, 0b10000, 0b10000, 0b10000, 0b10000, 0b10000, 0b10000, 0b01111};
byte closing2[8] = {0b11110, 0b00001, 0b00001, 0b00001, 0b00001, 0b00001, 0b00001, 0b11110};
byte opening[8] = {0b01111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b01111};
byte closing[8] = {0b11110, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11110};
byte full[8] = {0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111};
byte middle[8] = {0b11111, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b11111};

int start = 9;
bool pressed = 1;

void setup() {
  lcd.begin(16, 2);
  pinMode(start, INPUT_PULLUP);
  lcd.createChar(0, opening2);
  lcd.createChar(1, closing2);
  lcd.createChar(2, middle);
  lcd.createChar(3, full);
  lcd.createChar(4, closing);
  lcd.createChar(5, opening);
  while (pressed) {
    lcd.setCursor(2, 0);
    lcd.write("Press Start");
    pressed = digitalRead(start);
  }
  loading();
}

void loop() {}

void loading() {
  bar();
  lcd.setCursor(2, 1);
  lcd.write(byte(5));
  delay(50);
  for (int i = 3; i < 13; i++) {
    lcd.setCursor(i, 1);
    lcd.write(byte(3));
    delay(50);
  }
  lcd.setCursor(13, 1);
  lcd.write(byte(4));
}

void bar() {
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("LOADING...");
  lcd.setCursor(2, 1);
  lcd.write(byte(0));
  for (int i = 3; i < 14; i++) {
    lcd.setCursor(i, 1);
    lcd.write(byte(2));
  }
  lcd.setCursor(13, 1);
  lcd.write(byte(1));
}