#include <Stepper.h>
#include <Keypad.h>

//Keyboard variables
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 colPins[COLS] = { 38,37,36,35 }; // Pins connected to C1, C2, C3, C4
uint8_t rowPins[ROWS] = { 42,41,40,39 }; // Pins connected to R1, R2, R3, R4

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


//Stepper Variables
const int stepsPerRevolution = 60;  // change this to fit the number of steps per revolution for your motor
Stepper myStepper(stepsPerRevolution, 10,11,12,13); // initialize the stepper library on pins 8 through 11:

const int time_s = 1500;
String num;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  // set the speed at 60 rpm:
  myStepper.setSpeed(30);
}


void loop() {
  // step one revolution  in one direction:
  // Serial.println("clockwise");
  // myStepper.step(stepsPerRevolution);
  // Serial.println(stepsPerRevolution);
  // delay(time_s);

  // // step one revolution in the other direction:
  // Serial.println("counterclockwise");
  // Serial.println((-stepsPerRevolution));
  // myStepper.step(-stepsPerRevolution);
  // delay(time_s);

  char key = keypad.getKey();

  if (key != NO_KEY) {
    if(isDigit(key)){
      Serial.println(key);
      num = num+key;
      Serial.println(num);
    }
    if(key == '#'){
      myStepper.step(atoi(num));
    }
  }
}