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help me >>> error in accesing parallel port in matl

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riteshranjan007

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i am using matlab 6.1 .... in my project i need to send data through parallel port of my comp .... i am using following command to access parallel port but getting error ....

PLZ HELP ME

cmd :-

parport=digitalio(’parallel’,'LPT1′);

error :-

??? Error using ==> digitalio/digitalio
Error using ==> digitalio/digitalio
Failure to open requested data acquisition device. Class not registered
.

.... i have checked name of my parallel port in control panel>system>devicemanager .. it is LPT1.... n it is working properly

PLZ HELP ME
 

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