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<!-- received="Wed Sep 2 11:46:27 1998 PDT" -->
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<!-- sent="Wed, 2 Sep 1998 11:45:22 -0700 (PDT)" -->
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<!-- name="Ian R. Justman" -->
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<!-- email="ianj@chocobo.org" -->
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<!-- subject="Apple OneScanner/Color OneScanner status?" -->
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<title>sane-devel: Apple OneScanner/Color OneScanner status?</title>
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<h1>Apple OneScanner/Color OneScanner status?</h1>
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<b>Ian R. Justman</b> (<a href="mailto:ianj@chocobo.org"><i>ianj@chocobo.org</i></a>)<br>
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<i>Wed, 2 Sep 1998 11:45:22 -0700 (PDT)</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#23">[ date ]</a><a href="index.html#23">[ thread ]</a><a href="subject.html#23">[ subject ]</a><a href="author.html#23">[ author ]</a>
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<li> <b>Next message:</b> <a href="0024.html">Henning Sauer: "/dev/scanner Link still needed ?"</a>
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<li> <b>Previous message:</b> <a href="0022.html">Christian Reiser: "Re: Mustek ScanExpress Backend"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0028.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0028.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0055.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0061.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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Hello, all.<br>
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<p>
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I recently came into an Apple Color OneScanner for $20 at the local<br>
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surplus store. To my joy, there was a backend for it in the SANE package. <br>
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However, I noticed the driver has not been worked on for some time and its<br>
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most recent developer only had an Apple Scanner to work with. <br>
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<p>
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I have been experimenting with the backend and found (and subsequently<br>
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corrected) a logic flaw which did not flush the buffer after the scan had<br>
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completed. The scanner says it wasn't in a blocked condition, yet there<br>
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was data still in its buffer waiting to be transferred to the host<br>
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computer. I added a check for still-available data failing the check for<br>
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a blocked condition as another condition to transfer data from the<br>
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scanner. I can provide a patch for this (it only affects one line of<br>
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code).<br>
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<p>
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In the meantime, I have since obtained and printed Apple's programming<br>
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specs for these scanners. They have helped enormously thus far in<br>
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tracking this particular bug down.<br>
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<p>
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Has anyone been hacking this backend lately? Judging by the traffic on<br>
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the list in past months, apparently not much has been said about it in<br>
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recent times (at least in the Subject: lines).<br>
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<p>
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If any of the people who have worked on this backend are on this list, I<br>
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would certainly like to hear from you, especially the poor soul who has<br>
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the Apple Scanner, but not either OneScanner (I got one now, I'll be your<br>
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guinea pig. :) ).<br>
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<p>
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There are some other glitches, but right now, getting that last bit of<br>
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data out of the scanner was my priority before I could go on to Bigger and<br>
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Better Things(R).<br>
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<p>
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I look forward to hearing from you! :)<br>
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<p>
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--Ian.<br>
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<p>
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-----<br>
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Ian R. Justman Postmaster, System Administrator, ChocoboNet<br>
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<a href="mailto:ianj@chocobo.org">ianj@chocobo.org</a> (home) ianj@calweb.com (work) NIC handle: IJ12<br>
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<p>
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Try EsperNet IRC! Small and personal! <br>
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irc.esper.net takes you to a random server<br>
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Admin of chocobo.esper.net, ports 5555, 6666-6669, 7000, Nick: "IJ"<br>
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EsperNet Postmaster<br>
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<p>
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I use Linux and FreeBSD, the ultimate "pane" relievers on the PC.<br>
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My heart AIX for a faster RS/6000<br>
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<p>
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Hard Disk: n: Future windchimes<br>
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<p>
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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.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">majordomo@mostang.com</a>
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</pre>
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<!-- body="end" -->
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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="0024.html">Henning Sauer: "/dev/scanner Link still needed ?"</a>
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<li> <b>Previous message:</b> <a href="0022.html">Christian Reiser: "Re: Mustek ScanExpress Backend"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0028.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0028.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0055.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Reply:</b> <a href="0061.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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<!-- reply="end" -->
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</ul>
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