#include <AccelStepper.h>

const int buttonPIN = D6;

int counter = 0;
bool lastButtonState = LOW;

AccelStepper stepper(AccelStepper::DRIVER, D0, D1);

void setup() {
  Serial.begin(9600);

  pinMode(buttonPIN, INPUT_PULLUP);

  stepper.setMaxSpeed(1000);
  stepper.setSpeed(500);
}

void loop() {
  int buttonState = digitalRead(buttonPIN);

  if (buttonState != lastButtonState) {
    lastButtonState = buttonState;
    
    if (buttonState == HIGH) { // Button pressed
      counter++;
      if (counter >= 2) counter = 0; // Reset after 2 presses
      
      // Toggle speed/direction
      if (counter == 1) {
        stepper.setSpeed(-500); // Reverse
      } else {
        stepper.setSpeed(500); // Forward (original speed)
      }
    }
  }
stepper.runSpeed(); // Always run the stepper
}