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

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

//const uint8_t LEDS = 12;
const uint8_t ROWS = 4;
const uint8_t COLS = 4;

char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};

// Pins connected to LED1, LED2, LED3, ...LED12
//uint8_t ledPins[LEDS] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 28, 27 };
uint8_t rowPins[ROWS] = { 26, 22, 21, 20 }; // Pins connected to R1, R2, R3, R4
uint8_t colPins[COLS] = { 19, 18, 17, 16 }; // Pins connected to C1, C2, C3, C4

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);


void setup() 
{
  /*for (uint8_t l = 0; l < LEDS; l++) 
  {
    pinMode(ledPins[l], OUTPUT);
    digitalWrite(ledPins[l], LOW);
  }*/
  //lcd.begin(16, 2);
  lcd.begin(20, 4);
  lcd.setCursor(0, 0);
  lcd.print("Dzien dobry!");
  lcd.setCursor(0, 1);
  lcd.print(".....");
}

void loop() 
{
  char key = keypad.getKey();
  
  // CZAS //
    unsigned long int time;
    unsigned long int minuty;
    byte sekundy;
    byte setne;
    //unsigned long int time0 = 0;


  if (key!=NULL)
  {
  
  // CZAS //
  time = millis();
  minuty = time / 60000;
  sekundy = (time / 1000) - 60 * minuty;
  setne = time % 1000;

  lcd.setCursor(0, 1);
      lcd.print(key);

  lcd.setCursor(0, 2);
      lcd.print(time);

  lcd.setCursor(0, 3);
      lcd.print(minuty);
      lcd.print("\'");
      lcd.print(sekundy);
      lcd.print("\"");
      lcd.print(setne);
      lcd.print(".");

  }
  delay(10);
}