/usr/share/psychtoolbox-3/PsychHardware/PR655Toolbox/PR655close.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 | function PR655close
% PR655close
%
% Exit PR655 Remote Mode, Close serial port, Reset serial global.
%
% 01/16/09 tbc Adapted from PR650Toolbox for use with PR655
%
global g_serialPort;
% Exit Remote Mode
PR655write('Q');
% Close and clear serial port
if ~isempty(g_serialPort)
IOPort('close', g_serialPort);
g_serialPort = [];
end
return
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