/*
  Trinamic TMC2100 Example
  DIR_PIN LOW -> Linksdrehung
*/

// Note: You also have to connect GND, 5V and VM.
//       A connection diagram can be found in the schematics.
#define EN_PIN    2 //enable (CFG)
#define DIR_PIN   4 //direction
#define STEP_PIN  3 //step

void setup()
{
  pinMode(EN_PIN, OUTPUT);
  digitalWrite(EN_PIN, HIGH); //deactivate driver (LOW active)
  pinMode(DIR_PIN, OUTPUT);
  digitalWrite(DIR_PIN, LOW); //LOW or HIGH
  pinMode(STEP_PIN, OUTPUT);
  digitalWrite(STEP_PIN, LOW);

  digitalWrite(EN_PIN, LOW); //activate driver
}

void loop()
{
    digitalWrite(STEP_PIN, HIGH);
    delayMicroseconds(100);
    digitalWrite(STEP_PIN, LOW);
    delayMicroseconds(100);	
}