//vars
#define led_green    13
#define led_blue    12
#define sensor_ext    4
#define sensor_int    3
#define nao_sensor    2
bool pir_ext, pir_int, nao_pir;

  uint8_t pacman[8] = {
    0b00000,
    0b00000,
    0b01110,
    0b11011,
    0b11111,
    0b01110,
    0b00000,
    0b00000
  };

  uint8_t pacmanOpen[] = {
    0b00000,
    0b00000,
    0b01110,
    0b11011,
    0b11100,
    0b01110,
    0b00000,
    0b00000
  };

  uint8_t dot[] = {
    0b00000,
    0b00000,
    0b00000,
    0b00110,
    0b00110,
    0b00000,
    0b00000,
    0b00000
  };


#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);



void setup() {
 
  //definir o pin
  pinMode(led_green, OUTPUT);
  pinMode(led_blue, OUTPUT);  
  pinMode(pir_ext, INPUT);
  pinMode(pir_ext, INPUT);
  pinMode(pir_int, INPUT);
  pinMode(nao_pir, INPUT);
 
  //definir o lcd  
  lcd.init();
  lcd.backlight();
  lcd.createChar(1, pacman);
  lcd.createChar(2, dot);
}

void loop() {
 
  pir_ext = digitalRead(sensor_ext);
  pir_int = digitalRead(sensor_int);
  nao_pir = digitalRead(nao_sensor);


  PIR_EXT();
  NAO_PIR();
  PIR_INT();
}

void PIR_EXT(){

  if(pir_ext){
    digitalWrite(led_green, HIGH);
  }else{
    digitalWrite(led_green, LOW);
  }

}

void NAO_PIR(){

  if(nao_pir){
    digitalWrite(led_blue, HIGH);
  }else{
    digitalWrite(led_blue, LOW);
  }
}

void PIR_INT(){
  delay(100);
}

void LCD_PAC(){

  const int linha = 3;

  for (int i = 3; i < 16; i++) {
    lcd.setCursor(i, linha);
    lcd.print("\1");
    for (int j = i + 1; j < 16; j++) {
      lcd.setCursor(j, linha);
      lcd.print("\2");
    }
    lcd.createChar(1, pacman);
    delay(150);
    lcd.createChar(1, pacmanOpen);
    delay(150);
    lcd.setCursor(i, linha);
    lcd.print(" ");
  }
}