#include <Stepper.h>
const int stepsPerRevolution = 200; // Number of steps per revolution for your motor
const int stepSegment = 20; // Segment size (20 steps per segment)
Stepper myStepper(stepsPerRevolution, 10, 11, 12, 13);

#define LimitBtn 9

byte lastLimitBtnState = HIGH; // Set initial state to HIGH for INPUT_PULLUP
unsigned long debounceDuration = 50; // millis
unsigned long lastTimeLimitBtnStateChanged = 0;

void setup() {
  pinMode(LimitBtn, INPUT_PULLUP);
  myStepper.setSpeed(10); // Set motor speed to 10 RPM
  Serial.begin(9600);

  // Find home position at startup
  Serial.println("Finding home position...");
  while (digitalRead(LimitBtn) == HIGH) { // Move until the limit switch is LOW
    myStepper.step(-1); // Move step by step in a direction to find home
    delay(10); // Small delay between steps
  }
  Serial.println("Home position found!");
}

void loop() {
  // Handle Limit Button
  if (millis() - lastTimeLimitBtnStateChanged > debounceDuration) {
    byte limitBtnState = digitalRead(LimitBtn);
    if (limitBtnState != lastLimitBtnState) {
      lastTimeLimitBtnStateChanged = millis();
      lastLimitBtnState = limitBtnState;

      if (limitBtnState == LOW) {
        // Move clockwise when the limit button is pressed
        Serial.println("clockwise");
        myStepper.step(200);
        delay(500);
      } else {
        // Stop when the limit button is released (HIGH)
        Serial.println("stopped");
        myStepper.step(0);  // Stop the motor
        delay(500);
      }
    }
  }
}