Re: [PARPORT] EPP emulation

From: Tim Waugh (
Date: Sat Apr 21 2001 - 16:58:25 EDT

  • Next message: Fred Barnes: "[PARPORT] [PATCH] 2.4.3 parport/ppdev hacks and fixes"

    On Sat, Apr 21, 2001 at 04:39:16PM -0400, wrote:

    > Meeting these timeout requirements is what makes firmware
    > implementations hard.

    Yes, it's a bit tight.

    > I did not see in ieee1284ops where you disable interrupts.

    We don't. Cross your fingers..

    > There remains the bi-directional issue. ECP has a standard
    > definition for the process of switching directions. EPP has
    > traditions, but no official standard.

    I thought that the 'EPP interrupt' business was for that? I don't
    have the spec in front of me though.


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