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99 wiersze
4.4 KiB
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<!-- received="Mon Sep 7 03:11:54 1998 PDT" -->
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<!-- sent="Mon, 07 Sep 1998 13:14:16 +0300" -->
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<!-- name="Milon Firikis" -->
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<!-- email="milonf@ariadne-t.gr" -->
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<!-- subject="Re: Apple OneScanner/Color OneScanner status?" -->
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<!-- inreplyto="Apple OneScanner/Color OneScanner status?" -->
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<title>sane-devel: Re: Apple OneScanner/Color OneScanner status?</title>
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<h1>Re: Apple OneScanner/Color OneScanner status?</h1>
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<b>Milon Firikis</b> (<a href="mailto:milonf@ariadne-t.gr"><i>milonf@ariadne-t.gr</i></a>)<br>
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<i>Mon, 07 Sep 1998 13:14:16 +0300</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#55">[ date ]</a><a href="index.html#55">[ thread ]</a><a href="subject.html#55">[ subject ]</a><a href="author.html#55">[ author ]</a>
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<li> <b>Next message:</b> <a href="0056.html">Milon Firikis: "Re: Re :- PIE (SCANACE) won't release technical info"</a>
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<li> <b>Previous message:</b> <a href="0054.html">Bernd Schroeder: "Re: ADF for microtek2 backend"</a>
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<li> <b>Maybe in reply to:</b> <a href="0023.html">Ian R. Justman: "Apple OneScanner/Color OneScanner status?"</a>
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<li> <b>Next in thread:</b> <a href="0061.html">Milon Firikis: "Re: Apple OneScanner/Color OneScanner status?"</a>
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</ul>
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Ian R. Justman wrote:<br>
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<p>
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[snip]<br>
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<i>> </i><br>
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<i>> </i><br>
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<i>> Here's the patch I came up with:</i><br>
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<i>> </i><br>
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<i>> --- apple.c.orig Wed Sep 2 00:35:21 1998</i><br>
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<i>> +++ apple.c Tue Sep 1 20:44:59 1998</i><br>
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<i>> @@ -2501,7 +2501,7 @@</i><br>
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<i>> </i><br>
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<i>> if (data_length)</i><br>
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<i>> {</i><br>
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<i>> - if (result[3] & 1) /* Scanner Blocked: Retrieve data */</i><br>
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<i>> + if ((result[3] & 1) || data_av) /* Scanner Blocked: Retrieve data */</i><br>
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<i>> {</i><br>
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<i>> DBG (IO_MESSAGE,</i><br>
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<i>> "sane_read: (status) Available in scanner buffer %u.\n",</i><br>
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<i>> </i><br>
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<i>> At the end of the scan, the block flag has been dropped, yet there might</i><br>
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<i>> be data in the scanner buffer. If the check for the block flag fails, it</i><br>
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<i>> immediately checks to see if there is any remaining data. If so, the</i><br>
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<i>> backend will empty the buffer for the last time.</i><br>
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<i>> </i><br>
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<p>
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Wait a minute. I have some questions.<br>
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<p>
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1) What scanner do you have? (OneScanner or ColorOneScanner, both?)<br>
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<p>
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2) How big is the internal buffer? (AppleScanner has 256 bytes)<br>
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<p>
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3) Before your patch: Does the backend was actually scanning? Did it<br>
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open the lamp?<br>
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<p>
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4) After you patch: Does everything works as expected? In all modes?<br>
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<p>
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5) If (4==TRUE) what about the round offs in scan area that are imposed<br>
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by the specific model you have. Note that in case of an unexpected round<br>
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offs the SANE may wait bigger/smaller image and that may lead to<br>
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undesired warnings and cropped images.<br>
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<p>
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Your patch looks that fixes a situation at the end of a scan. Although<br>
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this is fine with me, the problems I had so far (other users actually<br>
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had them) was that the scanner wasn't starting the scan at all.<br>
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<p>
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[snip]<br>
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<p>
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<i>> </i><br>
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<i>> Cool. Any way I could get a copy of the most recent copy of the sources</i><br>
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<i>> to the Apple backend? I would lilke to see what's happening with it thus</i><br>
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<i>> far.</i><br>
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<i>> </i><br>
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<p>
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Nop there is no way to get newer sources than the ones that they are<br>
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coming with the sane-0.74. I haven't code anything since then and I<br>
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don't know anybody who did.<br>
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<p>
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Milon Firikis<br>
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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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</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="0056.html">Milon Firikis: "Re: Re :- PIE (SCANACE) won't release technical info"</a>
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||
<li> <b>Previous message:</b> <a href="0054.html">Bernd Schroeder: "Re: ADF for microtek2 backend"</a>
|
||
<li> <b>Maybe in reply to:</b> <a href="0023.html">Ian R. Justman: "Apple OneScanner/Color OneScanner status?"</a>
|
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</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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