/usr/share/psychtoolbox-3/PsychHardware/PR650Toolbox/PR650close.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 PR650close
% PR650close
%
% Close serial port used to talk to colorimeter. Reset
% serial global.
%
global g_serialPort g_useIOPort;
if g_useIOPort
if ~isempty(g_serialPort)
IOPort('Close', g_serialPort);
g_serialPort = [];
end
else
if ~isempty(g_serialPort)
SerialComm('close', g_serialPort);
g_serialPort = [];
end
end
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