AccelStepper.ino

#include <AccelStepper.h>
//AccelStepper stepper
#define BUTTON_PIN 8
#define MOTOR_DIRECTION_PIN 2
#define MOTOR_STEPPER_PIN 3
#define MOTOR_ACCELERATION 80000
#define SENSOR_1 A0
#define SENSOR_2 A5

//set up the accelStepper intance
//the "1" tells it we are using a driver
AccelStepper stepper(1, MOTOR_STEPPER_PIN, MOTOR_DIRECTION_PIN); 

void setup ()
{
  Serial.begin(9600);
  
  updateSpeed(0);
  stepper.setAcceleration(MOTOR_ACCELERATION);
  
  pinMode(BUTTON_PIN, INPUT); 
}

void loop()
{
 
  if (Serial.available() > 0 ) {

    int temp = Serial.parseInt();

    Serial.flush();

    if (temp >= -9600 && temp <= 9600) {
        updateSpeed(temp);
        Serial.print("Speed set to: ");
        Serial.println(temp);
    } else if (temp == 9601) {
      Serial.println(analogRead(SENSOR_1));
    } else if (temp == 9602) {
      Serial.println(analogRead(SENSOR_2))
    } else if (temp == 9603) {
      Serial.print("Current step position: ");
      Serial.println(stepper.currentPosition());
    } else {
      Serial.println("Invalid Input");
    }

  }

  if (digitalRead(BUTTON_PIN) == HIGH) {
    Serial.println(millis());
  }

  stepper.run();

}

void updateSpeed(int speed)
{
  stepper.setMaxSpeed(speed);
  stepper.setSpeed(speed);
}