kopia lustrzana https://gitlab.com/sane-project/website
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125 wiersze
4.5 KiB
HTML
<HTML>
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<TITLE>sane-cardscan.5</TITLE>
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<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
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<H1>sane-cardscan.5</H1>
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<HR>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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<B><A HREF="sane-cardscan.5.html">sane-cardscan(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-cardscan.5.html">sane-cardscan(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-cardscan - SANE backend for Corex CardScan usb scanners
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-cardscan</B> library implements a SANE (Scanner Access Now Easy)
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backend which provides access to the Corex CardScan 800c & 600c small-
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format scanners.
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The backend supports only grayscale and color modes and media of (theo-
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retically) infinite length.
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This backend may support other scanners. The best way to determine
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level of support is to get a trace of the windows driver in action, and
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send it to the author.
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</PRE>
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<H2>OPTIONS</H2><PRE>
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The cardscan backend supports the following options:
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<B>--mode</B> <B>Gray|Color</B>
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Selects the mode for the scan.
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</PRE>
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<H2>CONFIGURATION FILE</H2><PRE>
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The configuration file <I>cardscan.conf</I> is used to tell the backend how to
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look for scanners, and provide options controlling the operation of the
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backend. This file is read each time the frontend asks the backend for
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a list of scanners, generally only when the frontend starts. If the
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configuration file is missing, the backend will use a set of compiled
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defaults, which are identical to the default configuration file shipped
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with SANE.
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Scanners can be specified in the configuration file in 2 ways:
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"usb 0x04c5 0x1042" (or other vendor/product ids)
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Requests backend to search all usb buses in the system for a
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device which uses that vendor and product id. The device will
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then be queried to determine if it is a cardscan scanner.
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"usb /dev/usb/scanner0" (or other device file)
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Some systems use a kernel driver to access usb scanners. This
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method is untested.
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Additionally, there are two configuration options that control the pro-
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tocol used by the backend:
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"lines_per_block 16" (or other number from 1 to 32)
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Controls the number of lines of image data which will be
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acquired in each pass. Older scanners will require this number
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set lower, often 1.
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"has_cal_buffer 1" (1 or 0)
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Causes the backend to get calibration data from scanner during
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initialization. Older scanners do not support this request, and
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must be set to 0.
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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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The backend uses a single environment variable, <B>SANE_DEBUG_CARDSCAN,</B>
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which enables debugging output to stderr. Valid values are:
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5 Errors
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10 Function trace
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15 Function detail
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20 Option commands
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25 SCSI/USB trace
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30 SCSI/USB detail
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35 Useless noise
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</PRE>
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<H2>KNOWN ISSUES</H2><PRE>
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The scanner does not seem to have much control possible, so the
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backend cannot set x/y coordinate values, resolutions, etc.
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These things could be simulated in the backend, but there are
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plenty of command line tools.
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The backend also does not send all the commands that the windows
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driver does, so it may not function the same.
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The backend does not have the calibration or ejection options of
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the windows driver.
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</PRE>
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<H2>CREDITS</H2><PRE>
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The hardware to build this driver was provided to the author by: Jeff
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Kowalczyk <I><jtk</I> <I>a</I> <I>t</I> <I>yahoo</I> <I>d</I> <I>o</I> <I>t</I> <I>com></I>.
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane.7.html">sane(7)</A></B>, <B><A HREF="sane-usb.5.html">sane-usb(5)</A></B>
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</PRE>
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<H2>AUTHOR</H2><PRE>
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m. allan noah: <I><kitno455</I> <I>a</I> <I>t</I> <I>gmail</I> <I>d</I> <I>o</I> <I>t</I> <I>com></I> <I>.</I>
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10 Feb 2010 <B><A HREF="sane-cardscan.5.html">sane-cardscan(5)</A></B>
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</PRE>
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<HR>
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<ADDRESS>
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Man(1) output converted with
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<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
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