#include <Keypad.h>
#include <Servo.h>
#include <LiquidCrystal.h>

const int rs = 8, en = 9, d4 = 10, d5 = 11, d6 = 12, d7 = 13;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

const byte ROWS = 4;
const byte COLS = 4;

char Keys[ROWS][COLS] = {
{'1','2','3','A'},
{'4','5','6','B'},
{'7','8','9','C'},
{'*','0','#','D'}
};
byte rowPins[ROWS] = {37, 39, 41, 43};
byte colPins[COLS] = {45, 47, 49, 51};
Keypad klavesnica = Keypad( makeKeymap(Keys), rowPins, colPins, ROWS, COLS);

Servo dvere;
int ledPin = 3;
int inputPin = 4;
int pirState = LOW;
int val = 0;

void setup(){
  Serial.begin(9600);
  dvere.attach(2);
  pinMode(ledPin, OUTPUT);
  pinMode(inputPin, INPUT);
  lcd.begin(16, 2);

}
void loop(){
  	Serial.println("Zadaj kod");
        lcd.clear();
  	lcd.print("Zadaj kod");
  	lcd.setCursor(0, 1);
    char klavesa = klavesnica.getKey();
   char* klavesa2= "54213";
    while(klavesa == NO_KEY) {
      klavesa = klavesnica.getKey();
      pir();

    }
    if(klavesa =='1'){
      Serial.println("Zadal si spravne heslo");
      lcd.clear();
      lcd.print("Spravne heslo");
      dvere.write(50);
      delay(5000);
      dvere.write(140);
      delay(1000);

      }
  	else if(klavesa !='1'){
      Serial.println("Zadal si zle heslo");
      lcd.clear();
      lcd.print("Zle heslo");
      delay(3000);

      }


 }

void pir(){
    val = digitalRead(inputPin);
  		if (val == HIGH) {
    	digitalWrite(ledPin, HIGH);
    	if (pirState == LOW) {

      Serial.println("Svici ledka");

      pirState = HIGH;
   	 }
  	} 	else {
   	 digitalWrite(ledPin, LOW);
   	 if (pirState == HIGH){

      Serial.println("Ta us nescvici");

      pirState = LOW;
   	 }
  	}}