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<title>sane-devel: Re: Problem with SANE and SCSI scanner</title>
<h1>Re: Problem with SANE and SCSI scanner</h1>
<b>Manuel Panea</b> (<a href="mailto:mpd@rzg.mpg.de"><i>mpd@rzg.mpg.de</i></a>)<br>
<i>Fri, 3 Dec 1999 09:54:07 +0100</i>
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On Thu, 2 Dec 1999, Douglas Gilbert wrote:<br>
<p>
<i>&gt; Things are gradually being improved. From and including</i><br>
<i>&gt; lk 2.2.10 there is an ioctl() in sg called SG_NEXT_CMD_LEN</i><br>
<i>&gt; that sets the length of the next SCSI command. That solves</i><br>
<i>&gt; your immediate problem. The sg version number can be found </i><br>
<i>&gt; with the ioctl() SG_GET_VERSION_NUM. There is an additional</i><br>
<i>&gt; interface structure called sg_io_hdr that is being added </i><br>
<i>&gt; to the sg driver in the linux 2.3 development tree. Abel</i><br>
<i>&gt; Deuring &lt;<a href="mailto:a.deuring@satzbau-gmbh.de">a.deuring@satzbau-gmbh.de</a>&gt; has developed a Mustek </i><br>
<i>&gt; backend using it. More information about sg can be found</i><br>
<i>&gt; at <a href="http://www.torque.net/sg">http://www.torque.net/sg</a> .</i><br>
<p>
Hi, Douglas. Thanks for your answer, things are quite clearer to me now.<br>
<p>
Now for the backend problem at hand: I could of course do those sg ioctl's<br>
in the backend, but that should rather be done by sane, not by the<br>
backends. Do you perhaps know whether there are any development plans for<br>
sane to include support for such ioctl's?<br>
<p>
Regards,<br>
<p>
Manuel Panea Tel. +49 89 3299 1133<br>
Rechenzentrum Garching Fax +49 89 3299 1301<br>
Postfach 1533 E-mail: <a href="mailto:mpd@rzg.mpg.de">mpd@rzg.mpg.de</a><br>
85740 Garching Germany <a href="http://www.rzg.mpg.de/~mpd">http://www.rzg.mpg.de/~mpd</a><br>
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