Psychtoolbox>Datapixx.{mex*} subfunction

Datapixx(‘EnableGcdShiftHardwareBridge’);

Enables the controller to send eye position to the PROPixx.
The eye position is sent over the video signal at the end of very horizontal
lines.
You must also select a mode using SetHardwareBridgeMode.
See PROPixxGCDDemo.m for an example.

###See also: DisableGcdShiftHardwareBridge, SetHardwareBridgeMode