Re: [hpoj-devel] Comments on parallel performance, questions on USB

[Tim W. <tw...@re...>]

On Sun, May 06, 2001 at 02:08:40PM -0400, rj...@wo... wrote:

> The 2.4 kernel (and 2.2 backports) provide the "ppdev" module for
> implementing customized protocols like 1284.4 in usermode
> applications.  It provides basic building blocks like "negotiate" via
> ioctl()s.  It provides efficient I/O transfer through the ioctl()
> modes and the read()/write() transfers.  I've built customized
> protocols using ppdev and gotten over 350KB/sec transfer rates without
> any special effort.

FWIW, libieee1284 is an attempt to make ppdev easy to use, as well as
falling back to other methods if ppdev isn't available.

Tim.
*/