public IMotionController[] GetMotionControllers()
{
if (_motionControllers == null)
{
_motionControllers =
Enumerable.Range(0, 2)
.Select(Card.Of)
.Where(c => N.GT_Open(c) == 0)
.Select(c => (IMotionController) new MotionController(c))
.ToArray();
}
return(_motionControllers);
}