/*
* Connect the SD card to the following pins:
*
* SD Card | ESP32
* D2 -
* D3 SS
* CMD MOSI
* VSS GND
* VDD 3.3V
* CLK SCK
* VSS GND
* D0 MISO
* D1 -
*/
#include "FS.h"
#include "SD.h"
#include "SPI.h"
#include <LiquidCrystal_I2C.h>
#include <Keypad.h>

int cursorColumn = 0;
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' }
};

uint8_t rowPins[ROWS] = { 4, 2, 32, 33 }; // Pins connected to R1, R2, R3, R4
uint8_t colPins[COLS] = { 25, 26, 27, 3 }; // Pins connected to C1, C2, C3, C4

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

LiquidCrystal_I2C lcd(0x27,20,4);

void setup() {

  lcd.init();
  //lcd.init();
  // Print a message to the LCD.
  lcd.backlight();
//lcd.setCursor(1,0);
//lcd.print("Hello Agam");
//lcd.setCursor(1,1);
//lcd.print("Hello Enes");
}
 
void loop(){
  char key = keypad.getKey();
    if (key) {
    lcd.setCursor(cursorColumn, 0); // move cursor to   (cursorColumn, 0)
    lcd.print(key);                 // print key at (cursorColumn, 0)
    }
}