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<!-- received="Wed Sep 2 14:12:32 1998 PDT" -->
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<!-- sent="Wed, 02 Sep 1998 23:17:00 +0200 (CEST)" -->
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<!-- name="Alessandro Russo" -->
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<!-- email="axela@bigfoot.com" -->
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<!-- subject="RE: Epson GT-6500 parallel" -->
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<!-- id="h³" -->
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<!-- inreplyto="m3n28konel.fsf@indie.fga-intern.de" -->
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<title>sane-devel: RE: Epson GT-6500 parallel</title>
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<h1>RE: Epson GT-6500 parallel</h1>
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<b>Alessandro Russo</b> (<a href="mailto:axela@bigfoot.com"><i>axela@bigfoot.com</i></a>)<br>
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<i>Wed, 02 Sep 1998 23:17:00 +0200 (CEST)</i>
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<p>
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<ul>
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<li> <b>Next message:</b> <a href="0026.html">JaymeFrye: "Any intrest in a proposed project. Linux in Graphic Arts."</a>
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<li> <b>Previous message:</b> <a href="0024.html">Henning Sauer: "/dev/scanner Link still needed ?"</a>
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On 31-Aug-98 Oliver Graf wrote:<br>
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<i>> </i><br>
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<i>> System linux 2.0.35, XFree86 3.3.2, gtk+ 1.0.5</i><br>
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<i>> Adapter Epson Parallel Card supplied with GT-6500 on 0x278</i><br>
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<i>> Scanner Epson GT-6500 parallel</i><br>
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<i>> </i><br>
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<i>> Does only work for Gray scans. Lineart will kill xscanimage, Color</i><br>
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<i>> pics come</i><br>
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<i>> up wrong in preview and actual scan (diagonal moving image -- line to</i><br>
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<i>> long /</i><br>
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<i>> line offset).</i><br>
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the epson.c has a bug (his come up only for the scsi scanners):<br>
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Into scsi_write :<br>
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-------<br>
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static int<br>
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scsi_write (int fd, const void *buf, size_t buf_size, SANE_Status *<br>
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status)<br>
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{<br>
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unsigned char *cmd;<br>
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[...]<br>
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cmd = alloca (6 + buf_size);<br>
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[...]<br>
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if (SANE_STATUS_GOOD == (*status = sanei_scsi_cmd (fd, cmd1, <br>
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sizeof(cmd) +buf_size, NULL, NULL)))<br>
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--------<br>
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Obviusly sizeof(cmd) is wrong, should be:<br>
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if (SANE_STATUS_GOOD == (*status = sanei_scsi_cmd (fd, cmd1,<br>
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6+buf_size, NULL, NULL)))<br>
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<p>
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btw there are some other bugs into epson.c (at least for scsi<br>
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scanners), and xscanimage quit when previewing an image.<br>
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<p>
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bye,<br>
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Alex<br>
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<p>
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<p>
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<pre>
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--
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</pre>
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<li> <b>Next message:</b> <a href="0026.html">JaymeFrye: "Any intrest in a proposed project. Linux in Graphic Arts."</a>
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<li> <b>Previous message:</b> <a href="0024.html">Henning Sauer: "/dev/scanner Link still needed ?"</a>
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