buttonDrive

/*
 Stepper Motor Control - one revolution

 This program drives a unipolar or bipolar stepper motor.
 The motor is attached to digital pins 8 - 11 of the Arduino.

 The motor should revolve one revolution in one direction, then
 one revolution in the other direction.


 Created 11 Mar. 2007
 Modified 30 Nov. 2009
 by Tom Igoe

 */

#include <Stepper.h>

const int stepsPerRevolution = 400;  // change this to fit the number of steps per revolution
// for your motor
const int BUTTON_CLOCKWISE = 7;
const int BUTTON_COUTERCLOCKWISE = 6;
const int SINGLE_STEP = 1;

long lastButtonTime;
const int TIMEOUT = 1000;

const int PINS[4] = {8, 9, 10, 11};

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, PINS[0], PINS[1], PINS[2], PINS[3]);

void setup() {
  // set the speed at 60 rpm:
  myStepper.setSpeed(60);
  // initialize the serial port:
  Serial.begin(9600);
  pinMode(BUTTON_CLOCKWISE, INPUT_PULLUP);
  pinMode(BUTTON_COUTERCLOCKWISE, INPUT_PULLUP);

  lastButtonTime = 0;
}

void loop() {

  if (digitalRead(BUTTON_CLOCKWISE) == LOW){
    myStepper.step(SINGLE_STEP);
    lastButtonTime = millis();
  }
  else if (digitalRead(BUTTON_COUTERCLOCKWISE) == LOW){
    myStepper.step(-1 * SINGLE_STEP);
    lastButtonTime = millis();
  }

  if (millis() - lastButtonTime > TIMEOUT){
    for (int i = 0; i < 4; i++){
      digitalWrite(PINS[i], LOW);
    }
  }
  
}