/usr/share/psychtoolbox-3/PsychHardware/BitsPlusToolbox/bitsGoggles.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
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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 | % usage bitsGoggles(left,right,window)
%
% where 0 = goggle open
% and 1 = goggle closed
%
% drives the FE1 goggles connected to bits 4 and 5 of the digital output.
function bitsGoggles(left,right,window)
% Bits Shutter
% 5 4 L R
% --------------------
% 1 1 O O
% 0 0 O C
% 1 0 C O
% 0 1 C C
left=logical(left);
right=logical(right);
bit5 = ~right;
bit4 = ~xor(left,right);
Mask = 16 + 32;
%Mask = 65535;
Data=zeros(1,248);
if (bit4)
Data=Data + 16;
end
if (bit5)
Data=Data + 32;
end
Command = 0;
bitsEncodeDIO(Mask,Data,Command, window);
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