Re: use of ioperm in sane

From: stef (stef-listes@wanadoo.fr)
Date: Mon Feb 12 2001 - 09:38:04 PST

  • Next message: Jochen Eisinger: "Re: use of ioperm in sane -> sanei_ppdev"

    On Mon, Feb 12, 2001 at 04:41:55PM +0000, Tim Waugh wrote:
    > The ppdev _interface_ has support for 32-bit EPP reads and writes (or
    > it might possibly need a PPFLAG ioctl to set PARPORT_EPP_FAST). The
    > implementation hasn't caught up with that yet, but that's a Small
    > Matter of Programming.
    >
    > But 32-bit writes or 8-bit writes is just a speed thing rather than
    > something that makes it not work altogether, surely?
    >
    > Tim.
    > */

            Unfortunately, for parallel port scanner, transfer speed does matter.
    However, I planned to use ppdev to have correct handling of concurrent access to the
    parallel port, so when my beloved insl will be there, I will use it.

    Stef

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