#include <LiquidCrystal_I2C.h>

int SevenSeg_pin[] = {22, 23, 24, 25, 26, 27, 28, 29};

LiquidCrystal_I2C lcd(0x27, 16, 2);
byte Char0[8]{
  B10000,
  B10010,
  B10101,
  B10010,
  B10000,
  B10000,
  B01000,
  B00111
};

byte Char1[8]{
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00011,
  B00100,
  B01000
};

byte Char2[8]{
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B01110,
  B10001,
  B00000
};

byte Char3[8]{
  B00001,
  B00010,
  B00100,
  B00100,
  B01110,
  B11011,
  B01110,
  B01110
};

byte Char4[8]{
  B00001,
  B10101,
  B00001,
  B10101,
  B00001,
  B00001,
  B00010,
  B11100
};

byte Char5[8]{
  B10000,
  B01001,
  B00110,
  B00000,
  B00000,
  B11000,
  B00100,
  B00010
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  for(int pin = 0; pin < 8; pin++)
  {
    pinMode(SevenSeg_pin[pin], OUTPUT);
  }

  lcd.init();
  lcd.backlight();

  lcd.createChar(0, Char0);
  lcd.createChar(1, Char1);
  lcd.createChar(2, Char2);
  lcd.createChar(3, Char3);
  lcd.createChar(4, Char4);
  lcd.createChar(5, Char5);

  Serial.print("UTS:22.11.5187");
  
}

void loop() {
  // put your main code here, to run repeatedly:
  if(Serial.available())
  {
    String perintah = Serial.readStringUntil('\n');
    if (perintah == "begin")
    {

  PORTA = B10010010;
  delay(1000);
  PORTA = B11111111;
  delay(1000);
  PORTA = B11111001;
  delay(1000);
  PORTA = B11111111;
  delay(1000);
  PORTA = B10000000;
  delay(1000);
  PORTA = B11111111;
  delay(1000);
  PORTA = B11111000;
  delay(1000);
  PORTA = B11111111;

  lcd.setCursor(0, 1);
  lcd.write(0);
  lcd.setCursor(0, 0);
  lcd.write(1);
  lcd.setCursor(1, 1);
  lcd.write(2);
  lcd.setCursor(1, 0);
  lcd.write(3);
  lcd.setCursor(2, 1);
  lcd.write(4);
  lcd.setCursor(2, 0);
  lcd.write(5);

  lcd.setCursor(4, 1);
  lcd.print("22.11.5187");
  
  for(int i = 10; i >= 0; i--)
  {
    lcd.setCursor(4, 0);
    lcd.print(i);
    
    delay(1000);
    lcd.setCursor(5, 0);
    lcd.print(" ");
  }

  Serial.println(" ");

  for (int i = 10; i >= 0; i--) {
    Serial.println(i);
    delay(1000);
  }

     }
  }
  
  lcd.clear();
}