step6.ino

// 500 is fastest, 1000 slower, ...
#define ROT_SPEED 2000   

#define PAUSE 2000

#define DIR_PIN 2
#define STEP_PIN 3

// necessary for driver standby
#define SLP_PIN 4

// works also if not connected I guess
#define MS1_PIN A4
#define MS2_PIN A5

// this is 2**(MS1 MS2)
int micro_step = 8;

void setup() 
{
  pinMode(DIR_PIN, OUTPUT);
  pinMode(STEP_PIN, OUTPUT);
  pinMode(SLP_PIN, OUTPUT);
  pinMode(MS1_PIN, OUTPUT);
  pinMode(MS2_PIN, OUTPUT);

  digitalWrite(MS1_PIN, HIGH);
  digitalWrite(MS2_PIN, HIGH);
  digitalWrite(DIR_PIN, HIGH);     // Set the direction.
}

void move(int steps)
{
  int i;

  // disable standby
  digitalWrite(SLP_PIN, HIGH);
  for (i = 0; i < steps; i++)
  {
    digitalWrite(STEP_PIN, LOW);       // This LOW to HIGH change is what creates the
    delayMicroseconds(20);
    digitalWrite(STEP_PIN, HIGH);      // "Rising Edge" so the easydriver knows to when to step.
    delayMicroseconds(ROT_SPEED);      // This delay time is close to top speed for this
                                       // particular motor. Any faster the motor stalls.

    if(i < 20 || steps - i < 20)
       delayMicroseconds(2000);
  }
  // enable standby
  digitalWrite(SLP_PIN, LOW);
}

void loop()
{
  // 60 degree rotation = 266.666 steps.
  // Approximate by alternating 266 and 267

  move(267);
  delay(PAUSE);

  move(267);
  delay(PAUSE);

  move(266);
  delay(PAUSE);

  move(267);
  delay(PAUSE);

  move(266);
  delay(PAUSE);

  move(267);
  delay(PAUSE);

  // Sum of steps = 1600 = 360 degrees
}