   brightness = 255;
   negative = 0;
   speed = 0;
+  frame_len = 0;
 }
 
 void performPendingOperations(PendingOperations & ops)

       || ops.increase_speed
       || ops.toggle_pause
       || ops.toggle_negative
       || ops.reset_settings)
  {
    printSettings();
  }

  if (ops.toggle_pause)        Serial.print(F("\ntoggle_pause"));
  if (ops.toggle_negative)     Serial.print(F("\ntoggle_negative"));
  if (ops.reset_settings)      Serial.print(F("\nreset_settings"));
  if (ops.toggle_frame_len)    Serial.print(F("\ntoggle_frame_len"));
}

void printSettings()
