On a STC1003 stepper controller, trying to set the acceleration fails. Part of the code: phReturn = PhidgetStepper_setVelocityLimit(stepper,velocityLimitMoveToSwitch); result = (phReturn == EPHIDGET_OK); if (result) { phReturn = PhidgetStepper_setAcceleration(stepper, 10000.0); } The PhidgetStepper_...