void setup() {

  Serial.begin(115200);
  Serial.println("  ");
}

void loop() {
//cycletime();



// return;

 static unsigned long cycles = 0;
  static unsigned long elapse = 0;
  static unsigned long window = millis();

  unsigned long test = micros();

  //PROGRAMM-------
//  delay(1000);

  cycles++;
 elapse += (micros() - test);

  if (millis() - window > 10000) {
    window = millis();

    Serial.println("ELAPSE:  " + String(elapse) + "µs");
    Serial.println("CYCLES:  " + String(cycles));

    double average = (double)elapse / (double)cycles;
    Serial.println("AVERAGE: " + String(average) + " µs/cycle");
    Serial.println();
    elapse = 0;
    cycles = 0;
  }



}



void cycletime() {

  static unsigned long cycles = 0;
  static unsigned long elapse = 0;
  static unsigned long window = millis();
  static unsigned long test = micros();

  //PROGRAMM-------
  //delay(1000);

  cycles++;
  elapse += (micros() - test);

  if (millis() - window > 10000) {
    window = millis();

    Serial.println("ELAPSE:    " + String(elapse) + "µs");
    Serial.println("CYCLES:    " + String(cycles));

    double average = (double)elapse / (double)cycles;
    Serial.println("AVERAGE:   " + String(average) + " µs/cycle");
    Serial.println();
    elapse = 0;
    cycles = 0;
  }

  test = micros();
}