/usr/share/psychtoolbox-3/PsychHardware/Daq/DaqAOutStop.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 | function err=DaqAOutStop(daq)
% err=DaqAOutStop(DeviceIndex)
% USB-1208FS stop analog output scan.
% "DeviceIndex" is a small integer, the array index specifying which HID
% device in the array returned by PsychHID('Devices') is interface 0
% of the desired USB-1208FS box.
% See also Daq, DaqFunctions, DaqPins, DaqAOutScan, DaqTest,
% PsychHIDTest.
% 4/15/05 dgp Wrote it.
% 1/10/08 mpr glanced at it; made same changes as in DaqAOut.
AllHIDDevices = PsychHIDDAQS;
if strcmp(AllHIDDevices(daq).product(5:6),'16')
error('It looks like you are trying to run DaqAOutStop from a USB-1608FS, but such devices have no analog outputs.');
end
err=PsychHID('SetReport',daq,2,22,uint8(22)); % AOutStop
if err.n
fprintf('DaqAOutStop SetReport error 0x%s. %s: %s\n',hexstr(err.n),err.name,err.description);
end
return;
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