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81 wiersze
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<!-- received="Mon Feb 23 13:04:58 1998 PST" -->
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<!-- sent="Mon, 23 Feb 1998 20:57:37 +0000" -->
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<!-- name="Jonathan Buzzard" -->
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<!-- email="jab@hex.prestel.co.uk" -->
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<!-- subject="Re: Parallel driver for umax under linux" -->
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<!-- id="m0y74wU-0002iJC@hex" -->
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<!-- inreplyto="Parallel driver for umax under linux" -->
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<title>sane-devel: Re: Parallel driver for umax under linux</title>
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<h1>Re: Parallel driver for umax under linux</h1>
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<b>Jonathan Buzzard</b> (<a href="mailto:jab@hex.prestel.co.uk"><i>jab@hex.prestel.co.uk</i></a>)<br>
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<i>Mon, 23 Feb 1998 20:57:37 +0000</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#138">[ date ]</a><a href="index.html#138">[ thread ]</a><a href="subject.html#138">[ subject ]</a><a href="author.html#138">[ author ]</a>
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<li> <b>Next message:</b> <a href="0139.html">Jonathan Buzzard: "Re: Parallel Support"</a>
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<li> <b>Previous message:</b> <a href="0137.html">David Skoll: "Beta back-end for Polaroid DMC (Digital Microscope Camera)"</a>
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<li> <b>Next in thread:</b> <a href="0140.html">Oliver.Rauch@Wolfsburg.DE: "Re: Parallel driver for umax under linux"</a>
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<li> <b>Reply:</b> <a href="0140.html">Oliver.Rauch@Wolfsburg.DE: "Re: Parallel driver for umax under linux"</a>
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</ul>
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<!-- body="start" -->
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<a href="mailto:szyndelp@fleet7.syntegra.agw.bt.co.uk">szyndelp@fleet7.syntegra.agw.bt.co.uk</a> said:<br>
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<i>> Could you please help me. I am looking for a means to run my UMAX </i><br>
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<i>> astra 610p on a linux os. </i><br>
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<p>
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I just thought I would let you know how I am getting on with working out<br>
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the information to write a backend for the Astra 600/610P, as Umax<br>
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continue to be no help.<br>
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<p>
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I have worked out a patch for Wine that lets me log the activity on the<br>
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parallel port in a manner similar to DOSEMU and will submit it for<br>
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inclusion in Wine latter this week.<br>
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<p>
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After going back and changing my patch, so it included the cs:ip of each<br>
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in/out instruction, I was quickly able to establish that their are only<br>
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ten small code segements that do IO on the parallel port, in nibble mode<br>
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(my laptop does not support EPP mode, only ECP), three of which are only<br>
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used in the inital detection of the scanner, and one trys to determine<br>
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if it's attached to an EPP port.<br>
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<p>
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After working out how each block works, and their likely purposes, I wrote<br>
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a small program to *decode* the log files. First the bad news, UMAX decided<br>
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to reinvent the wheel, and have developed a completely new command language<br>
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for their parallel port scanners. However working with the SCSI documentation<br>
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I think I can work it all out anyway, as they remain essentially the same<br>
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scanners.<br>
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<p>
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At the moment I an working on making Wine spit out decoded log files in the<br>
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first place, as *raw* log files involving any scanning activity are huge,<br>
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requiring 145KB for just one line of pixels in 30bit colour mode.<br>
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<p>
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<p>
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JAB.<br>
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<p>
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<p>
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<pre>
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--
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Jonathan A. Buzzard Email: <a href="mailto:jab@hex.prestel.co.uk">jab@hex.prestel.co.uk</a>
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Northumberland, United Kingdom. Tel: +44(0)1661-832195
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<p>
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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="0139.html">Jonathan Buzzard: "Re: Parallel Support"</a>
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<li> <b>Previous message:</b> <a href="0137.html">David Skoll: "Beta back-end for Polaroid DMC (Digital Microscope Camera)"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0140.html">Oliver.Rauch@Wolfsburg.DE: "Re: Parallel driver for umax under linux"</a>
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<li> <b>Reply:</b> <a href="0140.html">Oliver.Rauch@Wolfsburg.DE: "Re: Parallel driver for umax under linux"</a>
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<!-- reply="end" -->
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</ul>
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