/*     Simple Stepper Motor Control Exaple Code
 *      
 *  by Dejan Nedelkovski, www.HowToMechatronics.com
 *  
 */
 
// Defines pins numbers
const int stepPin = 3;
const int dirPin = 4; 
const int btnPin = 7;
const int btnPin2 = 8;

int customDelay,customDelayMapped; // Defines variables
 
void setup() {
  // Sets the two pins as Outputs
  pinMode(stepPin,OUTPUT);
  pinMode(dirPin,OUTPUT);
  pinMode(btnPin,INPUT);
  pinMode(btnPin2,INPUT);
  pinMode(13, OUTPUT);
}
void loop() {
  
  if (digitalRead(btnPin) or digitalRead(btnPin2)) {
    //customDelayMapped = speedUp(); // Gets custom delay values from the custom speedUp function
    // Makes pules with custom delay, depending on the Potentiometer, from which the speed of the motor depends
    
    digitalWrite(13, HIGH);

    if(digitalRead(btnPin2)){
        digitalWrite(dirPin,HIGH); //Enables the motor to move in a particular direction
            customDelayMapped = 2000;
        digitalWrite(stepPin, HIGH);
        delayMicroseconds(customDelayMapped);
        digitalWrite(stepPin, LOW);
        delayMicroseconds(customDelayMapped);
    }
    else{
        digitalWrite(dirPin,LOW); //Enables the motor to move in a particular direction
        customDelayMapped = 2000;
        digitalWrite(stepPin, HIGH);
        delayMicroseconds(customDelayMapped);
        digitalWrite(stepPin, LOW);
        delayMicroseconds(customDelayMapped);
    }
    
    
  }
  else{
    digitalWrite(13, LOW);
  }  
}
// Function for reading the Potentiometer
int speedUp() {
  int customDelay = analogRead(A0); // Reads the potentiometer
  int newCustom = map(customDelay, 0, 1023, 300,4000); // Convrests the read values of the potentiometer from 0 to 1023 into desireded delay values (300 to 4000)
  return newCustom;  
}