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Parallel port driver for PC

Discussion in 'Electronic Design' started by ted, Oct 14, 2003.

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  1. ted

    ted Guest

    Can somebody suggest a low level parallel port driver for the PC
    (windows 2000)?

    This is to interface some digital controllers using TTL logic. The
    ..sys driver should preferable be free, easy to use, and allow very
    fast access to the I/O ports. High level software would be written in

    I have been searching the net, but there seem to be too many offerings
    and not sure how good they are..:)-(

    I thought this newsgroup would be a good place to ask as there should
    be somebody here that's gone through this process before!!

    Thanks in advance

  2. The one practically everyone uses is actually an example from "Writing
    Device Drivers" book and is distributed for free by with source as well as
    compiled version. There's example code in C and VB. Since the driver merely
    sets the permission for the user space to issue the io instructions, it's
    about as fast as possible.

    The driver shows up as "DriverLINX Port I/O Driver" under windows device
  3. Norm Dresner

    Norm Dresner Guest

    Start at
    and follow the links

  4. Si Ballenger

    Si Ballenger Guest

    I use a free progrm called userport (search google for to get userlevel access to my parallel port pins.
    I've got a page below that shows how to use the parallel port to
    control a simple webcam switcher just using batch files.
  5. Alan

    Alan Guest

    Excellent program, with allowio.exe that's included with it you can
    open any port to any program. Works great to make older LPT port
    programs run with Win2000/xp.

    Also look at the menus at the blue bar in the page, there is a lot
    of good info here.

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