kopia lustrzana https://gitlab.com/sane-project/website
72 wiersze
2.5 KiB
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72 wiersze
2.5 KiB
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<!-- received="Sat Feb 27 12:20:11 1999 PST" -->
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<!-- sent="Sat, 27 Feb 1999 21:08:34 +0100" -->
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<!-- name="Svend Daugaard Pedersen" -->
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<!-- email="sdp@vip.cybercity.dk" -->
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<!-- subject="Epson backend" -->
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<title>sane-devel: Epson backend</title>
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<h1>Epson backend</h1>
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<b>Svend Daugaard Pedersen</b> (<a href="mailto:sdp@vip.cybercity.dk"><i>sdp@vip.cybercity.dk</i></a>)<br>
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<i>Sat, 27 Feb 1999 21:08:34 +0100</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#204">[ date ]</a><a href="index.html#204">[ thread ]</a><a href="subject.html#204">[ subject ]</a><a href="author.html#204">[ author ]</a>
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<li> <b>Next message:</b> <a href="0205.html">David Mosberger-Tang: "Re: Epson backend"</a>
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<li> <b>Previous message:</b> <a href="0203.html">Rick Knight: "Acer 310S BIOS info"</a>
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</ul>
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During my work on porting the Epson backend to the Amiga I found the<br>
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following minor bugs:<br>
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<p>
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- In the call (line 634)<br>
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<p>
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632 buf = (u_char *) head;<br>
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633 if (s->hw->is_scsi)<br>
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634 receive (s, buf, 4, status);<br>
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635 else<br>
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636 receive (s, buf, 1, status);<br>
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<p>
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it is expected that the last two bytes read from the scanner form<br>
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a legal 16 bit integer.<br>
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<p>
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This is not the case on a M680x0 processor.<br>
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<p>
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- In line 849 (procedure 'attach')<br>
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<br>
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dummy_dev.sane.model = (char *) memcpy (str, buf + 16 + 8, 8);<br>
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<p>
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'buf' is not initialized if the scanner is a parallel port scanner.<br>
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(I have not tested it on a parallel scanner but my C compiler told<br>
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me that there is a potential problem).<br>
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<p>
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The ported backend has been reported to work with the following SCSI<br>
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Epson scanners:<br>
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<p>
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GT9000, GT8500, GT7000, GT6500 and Perfection636<br>
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<p>
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A little addition around line 750 had to be made to make the backend<br>
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recognize the Perfection scanner.<br>
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<p>
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Svend Daugaard Pedersen<br>
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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="0205.html">David Mosberger-Tang: "Re: Epson backend"</a>
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<li> <b>Previous message:</b> <a href="0203.html">Rick Knight: "Acer 310S BIOS info"</a>
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<!-- nextthread="start" -->
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</ul>
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