#include "AccelStepper.h"
#include <LiquidCrystal.h>
#include <Keypad.h>
LiquidCrystal lcd(9, 10, A2, A3, A4, A5);
#define dirPin 2
#define stepPin 3
#define motorInterfaceType 1
String inputString;
long inputInt;

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

char hexaKeys[ROWS][COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};
byte rowPins[ROWS] = {13, 12, 11, 8};
byte colPins[COLS] = {7,6,5,4};
AccelStepper stepper = AccelStepper(motorInterfaceType, stepPin, dirPin);
int speed;
Keypad keypad = Keypad(makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);


void setup() {

  stepper.setMaxSpeed(2000);
  pinMode(A0,INPUT);
  pinMode(2,OUTPUT);
    pinMode(3,OUTPUT);
Serial.begin(9600);
lcd.begin(16,2);  
lcd.setCursor(0,0);
lcd.print("TEAM KESHARI");
lcd.setCursor(0,1);
lcd.print("CAM PROJECT");
delay(2000);
lcd.clear();

 inputString.reserve(10);


}

void loop() {


  char key = keypad.getKey();

  if (key) {
    Serial.println(key);

    if (key >= '0' && key <= '9') {     // only act on numeric keys
      inputString += key;               // append new character to input string
    } else if (key == '#') {
      if (inputString.length() > 0) {
        inputInt = inputString.toInt(); // YOU GOT AN INTEGER NUMBER
        // inputString = "";               // clear input
        // DO YOUR WORK HERE

              
  stepper.setSpeed(inputInt);  
 lcd.setCursor(0,0);
lcd.print("   Speed: ");
lcd.print(inputInt/10); 
  stepper.runSpeed();
  
  
  Serial.println(inputInt);


  delay(2000);












      }
    } else if (key == '*') {
      inputString = "";                 // clear input
    }
  }


 

}