/usr/share/psychtoolbox-3/PsychHardware/GetGamepadIndices.m is in psychtoolbox-3-common 3.0.11.20140816.dfsg1-1.
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 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | function [gamepadIndices, productNames]= GetGamepadIndices;
% keyboardIndices = GetGamepadIndices
%
% OS X: ___________________________________________________________________
%
% PsychHID assigns each USB HID device connected to you computer a
% unique index. GetGamepadIndices returns the indices for those HID devices
% which are gamepads. The product names of each gamepad are returned in a
% second argument which is useful to identify the gamepad associated with
% an index. For complete information on a gampad use PsychHID('Devices').
%
% OS 9: ___________________________________________________________________
%
% GetGamepadIndices does not exist in OS 9.
%
% WINDOWS: ________________________________________________________________
%
% GetGamepadIndices does not exist in Windows.
%
% _________________________________________________________________________
%
% see also: GetKeyboardIndices
% HISTORY
% 7/6/03 awi Wrote it.
% 7/13/04 awi Improved documentation
% 1/20/05 mk Added fix for Logitech joystick (Forum msg. 4149)
gamepadIndices=[];
productNames=cell(0);
if ~IsOSX
% On Linux, a mouse is a gamepad, is a mouse...
d = [ PsychHID('Devices', 3) , PsychHID('Devices', 5) ];
else
d=PsychHID('Devices');
end
for i =1:length(d);
if IsLinux || (d(i).usagePageValue==1 && (d(i).usageValue == 5 || d(i).usageValue == 4))
gamepadIndices(end+1)=d(i).index;
productNames{end+1}=d(i).product;
end
end
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