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68 wiersze
3.2 KiB
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<!-- received="Sat Jul 19 20:11:29 1997 MST" -->
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<!-- sent="20 Jul 97 04:28:31 +0200" -->
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<!-- name="Kolja Waschk" -->
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<!-- email="kawk@Home.Yo.COM" -->
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<!-- subject="more about the DC390T problem (was: pre0.62 patch)" -->
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<!-- id="199707190523.WAA13417@panda.mosberger" -->
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<title>sane-devel: more about the DC390T problem (was: pre0.62 patch)</title>
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<h1>more about the DC390T problem (was: pre0.62 patch)</h1>
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<b>Kolja Waschk</b> (<a href="mailto:kawk@Home.Yo.COM"><i>kawk@Home.Yo.COM</i></a>)<br>
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<i>20 Jul 97 04:28:31 +0200</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#100">[ date ]</a><a href="index.html#100">[ thread ]</a><a href="subject.html#100">[ subject ]</a><a href="author.html#100">[ author ]</a>
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<li> <b>Next message:</b> <a href="0101.html">Kolja Waschk: "different x and y scan resolution (mustek) ?"</a>
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<li> <b>Previous message:</b> <a href="0099.html">Gregory Trubetskoy: "Mustek difficulties..."</a>
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</ul>
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DM> Kolja, this patch also changes how command cancellation works quite<br>
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DM> a bit (due to the SCSI queueing that the Mustek backend now uses),<br>
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DM> so you might want to give it a shot. However, I suspect the real<br>
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DM> problem is that the Tekram driver uses too big a timeout to<br>
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DM> determine whether a device is busy.<br>
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<p>
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The modification you made in do_stop (formerly do_cancel) now allows clean<br>
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abort during setup phase (before data is transferred) with the Tekram driver. <br>
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<p>
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A stop during the scan still requires the delay as I described earlier.<br>
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<p>
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Anyway, I now use the generic AM53C974 driver instead of the Tekram specific<br>
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one. And, viola, it works all, without modifications. ( I used the AM53C974<br>
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driver first, but probably didn't get it right to specify the device to use<br>
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and SANE thought my scanner was a Microtek or whatever, doing a lot of<br>
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nonsense. Later I found out I have to specify the device on the scanimage<br>
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command line or change the backend include list in the Makefile, but before<br>
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that I already switched to the Tekram driver and didn't dare to switch back...<br>
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that's the story why I didn't try the generic driver earlier )<br>
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<p>
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This proves the Tekram driver being buggy.<br>
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<p>
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bibi,<br>
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Kolja<br>
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<p>
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<pre>
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---
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Kolja Waschk (<a href="mailto:kawk@Home.Yo.COM">kawk@Home.Yo.COM</a>)
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<a href="http://WWW.TU-Harburg.DE/~sekw0206">http://WWW.TU-Harburg.DE/~sekw0206</a>
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Operator of "Yo.COM news & mail service for small budget"
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.azstarnet.com/~axplinux/sane/">http://www.azstarnet.com/~axplinux/sane/</a>
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</pre>
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0101.html">Kolja Waschk: "different x and y scan resolution (mustek) ?"</a>
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<li> <b>Previous message:</b> <a href="0099.html">Gregory Trubetskoy: "Mustek difficulties..."</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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