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<TITLE>sane-devel: Work started on FB630U</TITLE>
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<META NAME="Author" CONTENT="Simon Heywood (simon.heywood@physics.org)">
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<META NAME="Subject" CONTENT="Work started on FB630U">
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<H1>Work started on FB630U</H1>
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<!-- received="Sat Jun 9 06:37:40 2001" -->
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<!-- sent="Sat, 9 Jun 2001 14:43:24 +0100 (BST)" -->
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<!-- isosent="20010609134324" -->
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<!-- name="Simon Heywood" -->
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<!-- email="simon.heywood@physics.org" -->
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<!-- subject="Work started on FB630U" -->
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<!-- id="Pine.SOL.4.30.0106091420380.7220-100000@mimosa.csv.warwick.ac.uk" -->
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<STRONG>From:</STRONG> Simon Heywood (<A HREF="mailto:simon.heywood@physics.org?Subject=Re:%20Work%20started%20on%20FB630U&In-Reply-To=<Pine.SOL.4.30.0106091420380.7220-100000@mimosa.csv.warwick.ac.uk>"><EM>simon.heywood@physics.org</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Jun 09 2001 - 06:43:24 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0142.html">Franz Bakan: "Re: Compiling on OS/2"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0140.html">Jean-Luc Coulon: "Re: Transmissive scanning"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0149.html">Simon Krix: "Re: Work started on FB630U"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0149.html">Simon Krix: "Re: Work started on FB630U"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0152.html">Glenn Ramsey: "Re: Work started on FB630U"</A>
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<P>
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Now I've finished my final exams at the university of Warwick I can devote
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<BR>
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some time to this project. I hope you can help me get started - I've got
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<BR>
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about 16 weeks to do this before I start work full time.
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<BR>
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<P>Firstly, I've had a little difficulty with the SniffUSB utility. Since
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<BR>
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there's no documentation, I'm purely guessing what to do. Sniff USB shows
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<BR>
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two devices in its window - the root hub and my scanner - and I've
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<BR>
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installed a sniffer on both (is that correct ?).
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<BR>
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<P>I have produced a few logs with this setup, obtaining identical output for
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<BR>
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plugging in the scanner on a clean rebooted system, waiting a few seconds,
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<BR>
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then unplugging it again. This output can be found at:
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<BR>
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<P><A HREF="http://www.warwick.ac.uk/~phucq/scanner/usb-init-3.txt">http://www.warwick.ac.uk/~phucq/scanner/usb-init-3.txt</A>
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<BR>
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<P>I also made a log by clicking the "replug" button whilst the scanner was
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<BR>
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selected in SniffUSB:
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<BR>
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<P><A HREF="http://www.warwick.ac.uk/~phucq/scanner/usb-init-2.txt">http://www.warwick.ac.uk/~phucq/scanner/usb-init-2.txt</A>
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<BR>
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<P>Finally, I am using a test program (thoughtfully ripped from Vladimir's
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<BR>
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ct.c) to try to get some sense out of the scanner, with little success
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<BR>
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thus far:
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<BR>
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<P><A HREF="http://www.warwick.ac.uk/~phucq/scanner/canon-usb.c">http://www.warwick.ac.uk/~phucq/scanner/canon-usb.c</A>
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<BR>
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<P><P>Now time for some questions!
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<BR>
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<P>Which direction is which in the SniffUSB logs? I'm assuming that "going
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<BR>
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down" is PC to scanner and that "coming back" is scanner to PC, but I'm
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<BR>
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sure there's scope for confusion with the USB architecture.
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<BR>
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<P>I'm assuming that the actual data sent/received is the line of hex numbers
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<BR>
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after "0000:" - is this all that gets sent? I've tried reproducing these
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<BR>
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codes by writing them to the scanner device and trying to read what gets
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<BR>
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sent back, but I've never heard back from the scanner.
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<BR>
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<P>Of course, it doesn't help that the USB 1.1 docs are fairly inpenetrable
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<BR>
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to non-Intel people - I think we should send the Plain English Society
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<BR>
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posse round. ;-)
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<BR>
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<P>TIA,
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<BR>
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<PRE>
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--
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Simon Heywood <<A HREF="mailto:simon.heywood@physics.org?Subject=Re:%20Work%20started%20on%20FB630U&In-Reply-To=<Pine.SOL.4.30.0106091420380.7220-100000@mimosa.csv.warwick.ac.uk>">simon.heywood@physics.org</A>>
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website: <A HREF="http://www.warwick.ac.uk/~phucq/">http://www.warwick.ac.uk/~phucq/</A>
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<P><P>--
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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:%20Work%20started%20on%20FB630U&In-Reply-To=<Pine.SOL.4.30.0106091420380.7220-100000@mimosa.csv.warwick.ac.uk>">majordomo@mostang.com</A>
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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0142.html">Franz Bakan: "Re: Compiling on OS/2"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0140.html">Jean-Luc Coulon: "Re: Transmissive scanning"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0149.html">Simon Krix: "Re: Work started on FB630U"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0149.html">Simon Krix: "Re: Work started on FB630U"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0152.html">Glenn Ramsey: "Re: Work started on FB630U"</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>Sat Jun 09 2001 - 06:38:25 PDT</EM>
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