/usr/share/psychtoolbox-3/PsychHardware/PsychGamepad/HatCenter.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | function result = HatCenter
% result = HatCenter
% Return a constant for hat center position. To read a hat position, use:
% JOYSTICK(joystickNumber,'GetHat',hatNumber).
% 8/17/01 awi wrote it
% 7/21/03 awi added switch and OSX condition.
% 10/6/05 awi Note here cosmetic changes by dgp between 7/21/03 and 10/6/05
if IsOSX
result = 0;
end
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