Thread: USB to parallel adapter

  1. #1
    Registered User
    Join Date
    Jul 2011

    USB to parallel adapter

    I wrote a c++ program to control by parallel port for my old computer but for new computer no parallel port so I have to use USB to parallel adapter and I understand that I have to use API to modify the program to work in the new computer, pls help me with example for handling this adapter
    thanks a lot

  2. #2
    Registered User
    Join Date
    May 2011
    Around 8.3 light-minutes from the Sun

    Did you try this?
    Quote Originally Posted by anduril462 View Post
    Now, please, for the love of all things good and holy, think about what you're doing! Don't just run around willy-nilly, coding like a drunk two-year-old....
    Quote Originally Posted by quzah View Post
    ..... Just don't be surprised when I say you aren't using standard C anymore, and as such,are off in your own little universe that I will completely disregard.
    Warning: Some or all of my posted code may be non-standard and as such should not be used and in no case looked at.

  3. #3
    Registered User
    Join Date
    Aug 2011
    I'm sure that you do not want to write a program to virtual the USB-PARALL device. If the answer is yes, please find answer from many open-sources usb to parallel.

    As I see, You need to have the driver for the adapter. Install it on the new computer. Then open the device manager, you will see a virtual parallel device. Change the old LTP port to the new LTP one shown in device manager console. That's enough for your application to operate a virtual adapter.

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