#include <Stepper.h>

Stepper myStepper(200, 4, 5, 6, 7);

#define POT A14
#define RESET A0
#define STEP A1
#define ccw A6
#define cw A7

int rotation = 1;        //These two variables is used for the stepper motor rotating motion
int stepCount = 1;

void setup() {
  // put your setup code here, to run once:
  pinMode(POT, INPUT);
  pinMode(RESET, INPUT);
  pinMode(STEP, INPUT);
  pinMode(ccw, INPUT);
  pinMode(cw, INPUT);


  int a = 0;
  do{
    int a = analogRead(POT);
    if(a > 0){                  //This part of the is for to avoid a bug where the 
      loop();                   //stepper motor doesn't reset properly
    }
  }while(a == 0);

  /*

  Yellow Button is for Reset
  Blue Button is for Step
  Left Green Button is for Counter-Clockwise
  Right Green Button is for Clockwise
  
  */
}

void loop() {
  // put your main code here, to run repeatedly:
  int motorSpeed = analogRead(POT);

  int resetButton = digitalRead(RESET);
  int stepButton = digitalRead(STEP);

  int cwValue = digitalRead(cw);
  int ccwValue = digitalRead(ccw);

  if(motorSpeed != 0){
    myStepper.setSpeed(motorSpeed);    //This part of the code is for to avoid a bug
    myStepper.step(rotation);          //where the stepper motor doesn't work properly.
  }

  if(ccwValue == 0 && cwValue == 1){
    if(rotation != -1){//This "if" statement is used to avoid a bug where the stepper motor
                       //doesn't work properly.
      rotation = -1; //counter-clockwise
      stepCount = 200 - stepCount;//To get the value for the new stepCount.
    }
  }else if(ccwValue == 1 & cwValue == 0){
    if(rotation != 1){//This "if" statement is used to avoid a bug where the stepper motor
                       //doesn't work properly.
      rotation = 1; //clockwise
      stepCount = 200 - stepCount;//To get the value for the new stepCount.
    }
    
  }

  if(resetButton == 0){
    if(rotation == 1){
      myStepper.setSpeed(1000);
      myStepper.step(-stepCount);
      stepCount = 0;
      delay(500);
    }else{ 
      myStepper.setSpeed(1000);
      myStepper.step(stepCount);
      stepCount = 0;
      delay(500);
    }
  }

  if(stepButton == 0){
    if(rotation == 1){

      myStepper.setSpeed(500);     //This part of the code is for the stepper to motor to reset.
      myStepper.step(-stepCount);

      myStepper.step(353);
      stepCount = 153;        //This part of the code is to set the specific angle.
      delay(500);
    }else{

      myStepper.setSpeed(500);    //This part of the code is for the stepper to motor to reset.
      myStepper.step(stepCount);

      myStepper.step(-385);
      stepCount = 185;     //This part of the code is to set the specific angle.
      delay(500);
    }
  }

  stepCount++;

  if(stepCount > 200){
    stepCount = 1;
  }



  
  
}