int Dir=3;
int Stp=2;
int br(9600);
int buttSwtchpin=4;
int numStp=0; //this is count the number of steps completed
int bAngle; //this is number of steps (40*1.8deg for Nema 17)
int CW=1;
int CCW=0;

int buttVal;
float bAngleSteps;

void setup() {
  // put your setup code here, to run once:

pinMode(Dir,OUTPUT);
pinMode(Stp,OUTPUT);
pinMode(buttSwtchpin,INPUT);
Serial.begin(br);

}

void loop() {
  // put your main code here, to run repeatedly:
//Serial.println(bAngle);  
Serial.flush();
bAngle=0;

delay(100);
Serial.println("What is your desired bend angle? ");

while (bAngle==0){
  if (Serial.available() !=0){
    bAngle = Serial.parseInt();

  }

}

bAngleSteps=(180-bAngle)/1.8;
delay(100);
Serial.print("Calculated number of steps to accomplish your bend angle is: ");
Serial.println(bAngleSteps);

buttVal=0;

while (buttVal==0){
  buttVal=digitalRead(buttSwtchpin);
  delay(100);
}

//Serial.print ("Button Value is: ");
//Serial.println(buttVal);

while (bAngleSteps>numStp){ //steps until the number of steps reaches the bAngle variable
  digitalWrite(Dir,CW);
  delay(5);
  digitalWrite(Stp,HIGH);
  delay(5);
  digitalWrite(Stp,LOW);
  delay(5);
  numStp=numStp+1;
  Serial.print("Steps is: ");
  Serial.println(numStp);
}

buttVal=0;
//Serial.print("buttval has been reset to: ");
//Serial.println(buttVal);

while (buttVal ==0){
  buttVal=digitalRead(buttSwtchpin);
  delay(100);

}

//Serial.print ("Button Value is: ");
//Serial.println(buttVal);

while (numStp>=1){   //return to start position
  digitalWrite(Dir,CCW);
  delay(5);
  digitalWrite(Stp,HIGH);
  delay(5);
  digitalWrite(Stp,LOW);
  delay(5);
  numStp=numStp-1;
  Serial.print("Steps is: ");
  Serial.println(numStp);


}

//Serial.println(bAngle);
}