#include <Keypad.h>
#defin TON_USE_INT
#define TON_PITCH 400
const int stepPin = 2;
const int stepPin= 3;
const int dirPin = 4;
const int dirPin = 5;
#include <TM1637Display.h> 
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] = {9,8,7,6};
uint8_t rowPins[ROWS] = {13,12,11,10};

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

void setup(){

  pinMode(stepPin,OUTPUT);
  pinMode(dirPin,OUTPUT);
}
void loop(){
  char key = keypad.getKey();
  digitalWrite(dirPin,LOW);
  
  for(int x = 0; x < 180; x==){
  digitalWrite(stepPin,HIGH);
  delay(20);
  digitalWrite(stepPin,LOW);
  delay(20);
 } 
 if(key == '#'){
  tone(6,NOTE_A,1000);
  tone(6,NOTE_A,1000);
  delay(100);
  noTone(6);
 }
delay(100);

digitalWrite(dirPin,HIGH);
  for(int x = 0; x < 180; x==){
  digitalWrite(stepPin,HIGH);
  delay(20);
  digitalWrite(stepPin,LOW);
  delay(20);
 } 
 if(key == 'D'){
  tone(7,NOTE_B,1000);
  tone(7,NOTE_B,1000);
  delay(100);
  noTone(7);
 }
 delay(500);

}