PARALLEL PORT 'LPT'

Shipment and reception of data through parallel port.

Description

Shipment and reception of data through parallel port.

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• MATLAB release: MATLAB 7.1.0 (R14SP3)

[edwin colana]

 

[asem jamal]

 

[unni k]

 

[Raymundo Castaño]

I need to configure te parallel port to send an recibe 8 bits, could you help me.
Thanks

[hadi asefi]

 

[Juan Carlos Salazar]

 

[Ramesh Pungle]

 

[Joachim]

thanks

[Adnan khan]

% MOVEMENT DETECTOR using webcam
% Get video from webcam and detect the movement.

clc
vid = videoinput('winvideo', 1);
set(vid,'TriggerRepeat',Inf);
vid.FrameGrabInterval = 5;
start(vid);
try
    % media=[];
    while(vid.FramesAcquired<=110) % Stop after 110 frames
        IM = getdata(vid,2);
        IMGray = rgb2gray(IM(:,:,1:3));
        IMbw=im2bw(IMGray,0.5);
        IMneg=imadjust(IMGray,[0 1],[1 0]);
        subplot(2,3,1);imshow(IM(:,:,:,1));title('Input Video-Image')
        subplot(2,3,2);imshow(IMbw);title('Black & White Video')
        subplot(2,3,3);imshow(IMGray);title('Gray Scale Video')
        subplot(2,3,4);imshow(IMneg);title('Negative Image Video')
        %*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
        i1=IM(:,:,:,1);
        i2=IM(:,:,:,2);
        i1=rgb2gray(i1(:,:,1:3));
        i2=rgb2gray(i2(:,:,1:3));
        m=abs(double(i1)-double(i2))/256;
        subplot(2,3,5);imshow(m);title('Movement')
        % sum(sum(m))
        % media=[media sum(sum(m))];
        if sum(sum(m))>850
            disp('Movement');beep
        end
        %*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
    end
    stop(vid);
catch
    stop(vid);
end