www.gusucode.com > 人脸识别源代码 采用Matlab编写源码程序 > Ultimate_Face_Recognition/prl2.m

    % This code gives logical 1 0 0 1 to parrallel port.
% Waits a moment and gives logical 0 0 1 0 (values at start.m)

zi=1;
for zi=1:500
i=1;
k=1;
parport=digitalio('parallel','LPT1');
line=addline(parport,0:3,'out');
putvalue(parport,[1 0 0 1]);
end


putvalue(parport,[0 0 1 0]);
  gval = getvalue(parport);