# Re: New Interface sanei_pa4s2...

From: Petter Reinholdtsen (pere@hungry.com)
Date: Tue Jun 06 2000 - 09:16:39 PDT

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  [Jochen Eisinger]
  > I've written a nice little interface for the Mustek parallel port
  > chipset A4S2...

  I'm impressed. I expected you to brush up the sanei_pio API to match
  your needs, not make a completely new and generic chipset API. :-)

  > sadly, this isn't a working backend, just the hardware functions to
  > access the registers of the scanner.

  Is this chipset API enough for the backend to only implement the
  high-level functionallity, and not require any hw access?

  > There is already a backend for this chipset, which implements all
  > these functions. However, Petter Reinholdtsen said, it would be
  > better, if the hardware handling code would be in a SANE interface
  > (like sanei_pio, sanei_ab306).

  After reading thru the source, it seems like a few of the functions
  might be used to improve the pio API. It must be possible to make a
  parport API that works on all platforms. Are the _epp functions
  implementing the 'enhanced parport' mode? I've been reading about the
  the Linux parport kernel API, and noticed support for epp, ecp and
  nibble mode in this API. Would a sanei parport API with support for
  such modes make it easier to support parport scanners?

  Happy hacking,

      --
      ##>  Petter Reinholdtsen  <##  |  pere@td.org.uit.no
      --
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