DatapixxInfo()
Print summary of all Datapixx systems.
If the Datapixx is closed, it will be opened then closed by this function.
If the Datapixx is already open, it will be left open by this function.
Oct 1, 2009 paa Written
Psychtoolbox/PsychHardware/DatapixxToolbox/DatapixxBasic/DatapixxInfo.m