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<TITLE>sane-devel: [dev] Problems with epson USB (mis)detection</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (hmg-ml@gmx.de)">
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<META NAME="Subject" CONTENT="[dev] Problems with epson USB (mis)detection">
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<H1>[dev] Problems with epson USB (mis)detection</H1>
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<!-- received="Sat Apr 14 07:37:06 2001" -->
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<!-- isoreceived="20010414143706" -->
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<!-- sent="Sat, 14 Apr 2001 16:58:15 +0200" -->
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<!-- isosent="20010414145815" -->
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<!-- name="Henning Meier-Geinitz" -->
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<!-- email="hmg-ml@gmx.de" -->
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<!-- subject="[dev] Problems with epson USB (mis)detection" -->
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<!-- id="20010414165815.A19877@vortex.swb.de" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:hmg-ml@gmx.de?Subject=Re:%20[dev]%20Problems%20with%20epson%20USB%20(mis)detection&In-Reply-To=<20010414165815.A19877@vortex.swb.de>"><EM>hmg-ml@gmx.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Apr 14 2001 - 07:58:15 PDT
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<P>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0141.html">Klaus-Peter Schrage: "Re: [snapscan] new version snapscan-20010411 of the backend - success with Agfa 1212U_2"</A>
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<UL>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0139.html">Henning Meier-Geinitz: "Re: [dev] New and updated backends"</A>
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<LI><STRONG>Messages sorted by:</STRONG>
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<A HREF="date.html#140">[ date ]</A>
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<A HREF="index.html#140">[ thread ]</A>
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<A HREF="subject.html#140">[ subject ]</A>
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<A HREF="author.html#140">[ author ]</A>
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</UL>
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<HR NOSHADE><P>
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<!-- body="start" -->
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<P>
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Hi,
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<BR>
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<P>I'm doing some work on lm9831 based scanners (Mustek BearPaw in this
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<BR>
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case) and just found out that the epson backend freezes when my Mustek
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<BR>
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BearPaw 1200 scanner is plugged in. Example:
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<BR>
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<P>SANE_DEBUG_EPSON=255 scanimage -L
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<BR>
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[epson] sane_init: sane-backends 1.0.4
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<BR>
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[epson] sane_init, ># epson.conf<
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<BR>
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[epson] sane_init, >#<
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<BR>
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[epson] sane_init, ># here are some examples for how to configure the EPSON backend<
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<BR>
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[epson] sane_init, >#<
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<BR>
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[epson] sane_init, ># SCSI scanner:<
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<BR>
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[epson] sane_init, >scsi EPSON<
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<BR>
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[epson] sane_init, >scsi EPSON<
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<BR>
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[epson] sane_init, >#<
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<BR>
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[epson] sane_init, ># Parallel port scanner:<
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<BR>
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[epson] sane_init, >#pio 0x278<
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<BR>
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[epson] sane_init, >#pio 0x378<
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<BR>
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[epson] sane_init, >#pio 0x3BC<
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<BR>
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[epson] sane_init, >#<
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<BR>
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[epson] sane_init, ># USB scanner<
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<BR>
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[epson] sane_init, ># /dev/usb/scanner0<
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<BR>
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[epson] sane_init, >usb /dev/usbscanner0<
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<BR>
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[epson] sane_init, >usb /dev/usbscanner0<
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<BR>
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[epson] attach(usb /dev/usbscanner0)
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<BR>
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[epson] SANE Epson Backend v0.2.02 - 2001-03-31
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<BR>
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[epson] attach(usb /dev/usbscanner0)
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<BR>
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[epson] attach: opening usb /dev/usbscanner0
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<BR>
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[epson] send buf, size = 2
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<BR>
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[epson] buf[0] 1b .
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<BR>
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[epson] buf[1] 40 @
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<BR>
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<P>Here it freezes.
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<BR>
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If I turn off and on the scanner:
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<BR>
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<P>[epson] receive buf, expected = 1, got = 0
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<BR>
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[epson] get_identity_information()
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<BR>
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[epson] send buf, size = 2
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<BR>
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[epson] buf[0] 1b .
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<BR>
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[epson] buf[1] 49 I
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<BR>
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[epson] error in receive - status = 5
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<BR>
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[epson] receive buf, expected = 4, got = -1
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<BR>
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[epson] ident failed
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<BR>
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[epson] sane_get_devices()
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<BR>
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<P>The freeze shouldn't happen. If it's not possible to detect the Epson
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<BR>
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USB scanners without confusing other scanners, please don't do it
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<BR>
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automatically (so the user has to put the /dev/usbscanner in
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<BR>
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epson.conf or something like this).
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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><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:%20[dev]%20Problems%20with%20epson%20USB%20(mis)detection&In-Reply-To=<20010414165815.A19877@vortex.swb.de>">majordomo@mostang.com</A>
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</PRE>
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<P><!-- body="end" -->
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<HR NOSHADE>
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<UL>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0141.html">Klaus-Peter Schrage: "Re: [snapscan] new version snapscan-20010411 of the backend - success with Agfa 1212U_2"</A>
|
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<LI><STRONG>Previous message:</STRONG> <A HREF="0139.html">Henning Meier-Geinitz: "Re: [dev] New and updated backends"</A>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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<LI><STRONG>Messages sorted by:</STRONG>
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<A HREF="date.html#140">[ date ]</A>
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<A HREF="index.html#140">[ thread ]</A>
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<A HREF="subject.html#140">[ subject ]</A>
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<A HREF="author.html#140">[ author ]</A>
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<SMALL>
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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 Apr 14 2001 - 07:43:01 PDT</EM>
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</EM>
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</SMALL>
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