Re: [PARPORT] Block transfers?

From: Tim Waugh (
Date: Fri Feb 01 2002 - 18:31:46 EST

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    On Fri, Feb 01, 2002 at 04:34:16PM -0500, Nick Papadonis wrote:

    > For this application I ended up using ioperm(). It proved to be the
    > fastest way of driving the port from userspace. I acheived around
    > 160kHz speed on a PII.

    Let me guess: the protocol wasn't ECP or EPP. One thing that's been
    asked for in the past is a way of getting the kernel to just blast a
    block of bytes to the data lines, without touching any other lines:
    would that have helped, I wonder?


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