Re: [PARPORT] *Simple* Parallel port I/O...

From: Blaise Gassend (blaise@gassend.com)
Date: Wed Jul 10 2002 - 15:27:13 EDT

  • Next message: Blaise Gassend: "Re: [PARPORT] *Simple* Parallel port I/O..."

    Hi Robert,

    You should use the /dev/parport* device. It is documented at:
    http://people.redhat.com/twaugh/parport/html/ppdev.html#AEN589

    I can provide you with sample code if you want.

    This might only apply as of 2.4.x kernels, I do not know.

    Blaise

    Quoted from Robert Heller on Wed, Jul 10, 2002 at 01:40:15PM -0400.
    >
    > Does there exist a really simple driver that allows one to read (in user
    > mode) the state of the parallel port. I just want to be able to
    > periodically read in one byte (8-bits) from the parallel port. The port
    > will be connected to switches (probably buffered/de-bounced). No
    > handshaking or anything, just the 'static' state of 8 switches.
    >
    > \/
    > Robert Heller ||InterNet: heller@cs.umass.edu
    > http://vis-www.cs.umass.edu/~heller || heller@deepsoft.com
    > http://www.deepsoft.com /\FidoNet: 1:321/153
    >
    >
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