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<TITLE>sane-devel: Re: Ricoh IS330DC</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (henning@meier-geinitz.de)">
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<META NAME="Subject" CONTENT="Re: Ricoh IS330DC">
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<H1>Re: Ricoh IS330DC</H1>
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<!-- received="Wed May 16 10:14:05 2001" -->
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<!-- sent="Wed, 16 May 2001 19:31:54 +0200" -->
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<!-- isosent="20010516173154" -->
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<!-- name="Henning Meier-Geinitz" -->
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<!-- email="henning@meier-geinitz.de" -->
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<!-- subject="Re: Ricoh IS330DC" -->
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<!-- inreplyto="NDBBJDAGOKOGNKPLFIBPMEMAGLAA.angrick@4ward.net" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:henning@meier-geinitz.de?Subject=Re:%20Ricoh%20IS330DC&In-Reply-To=<20010516193154.C11491@vortex.swb.de>"><EM>henning@meier-geinitz.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Wed May 16 2001 - 10:31:54 PDT
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<LI><STRONG>Previous message:</STRONG> <A HREF="0209.html">Andy Angrick: "Ricoh IS330DC"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0209.html">Andy Angrick: "Ricoh IS330DC"</A>
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<P>
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Hi,
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<BR>
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<P>On Wed, May 16, 2001 at 09:10:41AM -0500, Andy Angrick wrote:
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<BR>
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<EM>> I'm in desperate need of a SANE driver for a Ricoh IS330DC scanner. Its a
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</EM><BR>
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<EM>> high-end scanner with automatic document feeder and duplex scanning
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</EM><BR>
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<EM>> capabilities. I guess my first question is if i wanted to start developing a
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</EM><BR>
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<EM>> driver... where would i start? I've got all the scsi commands from Ricoh.
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</EM><BR>
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<P>Write a small (stand-alone) program that just does the basic scanning.
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<BR>
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It's easier to debug than a SANE library. When scanning works in
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<BR>
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principle, use the functions of the program to create a backend.
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<BR>
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For the backend the file doc/backend-writing.txt may be helpful. Use an
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<BR>
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existing (similar) backend as template.
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<BR>
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<P>If the scanner uses high level command (e.g. set_window, scan) and the
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<BR>
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documentation is complete It should be possible to write a driver in
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<BR>
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4-6 weeks. If it's more lowlevel (e.g. move_one_line,
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<BR>
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read_scanned_line e.g.) it can take a lot of time.
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<BR>
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<P>One problem may be the advanced possibilities of such scanners: SANE
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<BR>
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can only use raw image data so if the scanner has it's own data format
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<BR>
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(e.g. jpeg) that has to be translated before sending to the application.
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<BR>
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So you also need a description of the data format used by the scanner.
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<BR>
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Also duplex scanning is not supported directly by SANE.
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<BR>
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<P>Maybe you want to have a look at the bh backend which also deals with
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<BR>
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high-end scanners.
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<BR>
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<P>If the documentation of the scanner isn't complete it will be more
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<BR>
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complicated as then the Windows driver must be used to listen to the
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<BR>
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SCSI command flow.
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<BR>
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<P><EM>> I'm fairly proficient with c, but not an expert. I can probably fumble my
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</EM><BR>
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<EM>> way through it. The second question is are they any people on the list that
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</EM><BR>
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<EM>> would be willing to develop the driver for me? We would pay that person to
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</EM><BR>
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<EM>> develop the driver and there might even be a free scanner (those scanners
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</EM><BR>
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<EM>> aren't cheap) in the deal. Once developed, it would make it available to
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</EM><BR>
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<EM>> everyone.
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</EM><BR>
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<P>I would like to help. In my main job I'm chemical engineer at the
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<BR>
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Darmstadt University of Technology but also i'm doing freelance jobs
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<BR>
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sometimes (programming and consulting concerning Unix-related things).
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<BR>
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Ah, and I'm maintaining the Mustek backend and doing this and that in
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<BR>
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the SANE project :-)
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<BR>
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<P>Bye,
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<BR>
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Henning
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Ricoh%20IS330DC&In-Reply-To=<20010516193154.C11491@vortex.swb.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0211.html">bluefish@ono.com: "GENIUS COLORPAGE VIVID III V2"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Wed May 16 2001 - 10:15:38 PDT</EM>
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