/usr/share/psychtoolbox-3/PsychHardware/PR650Toolbox/PR650getserialnumber.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 45 46 47 48 49 50 51 52 53 54 55 56 | function serialnumStr = PR650getserialnumber
% serialnumStr = PR650getserialnumber
%
% Get the serial number from the PR-650. Sometimes
% it's useful to be able to find out
% which of the instruments in the lab was
% used for any particular measurement.
%
% 2/13/10 dhb Wrote it, based on PR650getsyncfrequency.
global g_serialPort g_useIOPort;
% Check for initialization
if isempty(g_serialPort)
error('Meter has not been initialized.');
end
% Initialize
timeout = 30;
% Flushing buffers.
% fprintf('Flush\n');
dumpStr = '0';
while ~isempty(dumpStr)
dumpStr = PR650serialread;
end
% Send command
if g_useIOPort
IOPort('write', g_serialPort, ['d110' char(10)]);
else
SerialComm('write', g_serialPort, ['d110' char(10)]);
end
% Get at least one character
waited = 0;
inStr = [];
while isempty(inStr) && (waited < timeout)
WaitSecs(1);
waited = waited + 1;
inStr = PR650serialread;
end
if waited == timeout
error('No response from meter');
end
% Pick up entire buffer.
readStr = inStr;
while ~isempty(inStr)
inStr = PR650serialread;
readStr = [readStr inStr];
end
% Parse return. This may contain
% training blanks.
serialnumStr = readStr(1:8);
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