#include <AccelStepper.h>

// Define pins for the switch and stepper driver
const int switchPin1 = 2; // one side of the switch
const int switchPin2 = 3; // the other side of the switch
const int pulPin = 11;     // Pulse pin for stepper driver
const int dirPin = 12;     // Direction pin for stepper driver

// Create an instance of AccelStepper
AccelStepper stepper(AccelStepper::DRIVER, pulPin, dirPin);

void setup() {
  // Set switch pins as input with internal pull-up resistors
  pinMode(switchPin1, INPUT_PULLUP);
  pinMode(switchPin2, INPUT_PULLUP);

  // Set up stepper parameters
  stepper.setMaxSpeed(1000);    // Set max speed 
  stepper.setAcceleration(500); // Set acceleration 
}

void loop() {
  // Read the states of the switch pins
  int switchState1 = digitalRead(switchPin1);
  int switchState2 = digitalRead(switchPin2);
  
  if (switchState1 == LOW && switchState2 == HIGH) { // Switch is on one side
    stepper.move(800); // Rotate one revolution clockwise
  } else if (switchState1 == HIGH && switchState2 == LOW) { // Switch is on the other side
    stepper.move(-800); // Rotate one revolution counter-clockwise
  } else { // Switch is in the middle
    stepper.stop(); // Stop the motor
    stepper.runToPosition(); // Ensure motor halts smoothly
  }

  // Update the stepper's position
  stepper.run();
}