kopia lustrzana https://gitlab.com/sane-project/backends
143 wiersze
4.8 KiB
Groff
143 wiersze
4.8 KiB
Groff
.TH sane\-abaton 5 "11 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
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.IX sane\-abaton
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.SH NAME
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sane\-abaton \- SANE backend for Abaton flatbed scanners
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.SH DESCRIPTION
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The
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.B sane\-abaton
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to Abaton flatbed scanners. At present, only the Scan
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300/GS (8bit, 256 levels of gray) is fully supported, due to the
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absence of programming information. The Scan 300/S (black and white)
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is recognized, but support for it is untested.
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.PP
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If you own a Abaton scanner other than the ones listed above that
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works with this backend, or if you own an Abaton scanner that does not
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work with this backend, please contact
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.IR sane\-devel@alioth-lists.debian.net
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with the model number, so that arrangements can be made to include
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support for it. Have a look at
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.I http://www.sane\-project.org/mailing\-lists.html
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concerning subscription to sane\-devel.
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.PP
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Abaton is out of business, and these scanners are not supported by
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Everex (the parent company of Abaton), nor is there any programming
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information to be found. This driver is therefore based on
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information obtained by running Abaton's scanning desk accessory under
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MacsBug and tracing the MacOS SCSI Manager calls it made during image
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acquisition.
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.PP
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However, the protocol is very similar to, though not compatible with,
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the one used by the Apple scanners, therefore, if this backend is ever
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extended to support the other Abaton models (they also made a color
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flatbed scanner), it may be possible to fill in some "missing pieces"
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from the (quite detailed) Apple scanner documentation.
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.SH "DEVICE NAMES"
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This backend expects device names of the form:
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.PP
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.RS
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.I special
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.RE
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.PP
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Where
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.I special
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is the path-name for the special device that corresponds to a SCSI
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scanner. For SCSI scanners, the special device name must be a generic
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SCSI device or a symlink to such a device. Under Linux, such a device
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name takes a format such as
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.I /dev/sga
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or
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.IR /dev/sg0 ,
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for example. See
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.BR sane\-scsi (5)
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for details.
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.SH CONFIGURATION
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The contents of the
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.I abaton.conf
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file is a list of device names that correspond to Abaton scanners.
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Empty lines and lines starting with a hash mark (#) are ignored. See
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.BR sane\-scsi (5)
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on details of what constitutes a valid device name.
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.SH FILES
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.TP
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.I @CONFIGDIR@/abaton.conf
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The backend configuration file (see also description of
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.B SANE_CONFIG_DIR
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below).
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.TP
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.I @LIBDIR@/libsane\-abaton.a
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The static library implementing this backend.
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.TP
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.I @LIBDIR@/libsane\-abaton.so
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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.SH ENVIRONMENT
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.TP
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.B SANE_CONFIG_DIR
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This environment variable specifies the list of directories that may
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contain the configuration file. Under UNIX, the directories are
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separated by a colon (`:'), under OS/2, they are separated by a
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semi-colon (`;'). If this variable is not set, the configuration file
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is searched in two default directories: first, the current working
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directory (".") and then in
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.IR @CONFIGDIR@ .
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If the value of the environment variable ends with the directory separator
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character, then the default directories are searched after the explicitly
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specified directories. For example, setting
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.B SANE_CONFIG_DIR
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to "/tmp/config:" would result in directories
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.IR tmp/config ,
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.IR . ,
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and
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.I @CONFIGDIR@
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being searched (in this order).
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.TP
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.B SANE_DEBUG_ABATON
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend. E.g.,
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a value of 255 requests all debug output to be printed. Smaller
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levels reduce verbosity.
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.SH BUGS
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There are a few known ones, and definitely some unknown ones.
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.TP
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.B Scan area miscalculations
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For the sake of programmer efficiency, this backend handles all
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measurements in millimetres, and floors (rather than rounds) values to
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avoid possible damage to the scanner mechanism. Therefore, it may not
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be possible to scan to the extreme right or bottom edges of the page.
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.TP
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.B Cancelling the scan
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This might not work correctly, or it might abort the frontend. The
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former is more likely than the latter.
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.PP
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If you have found something that you think is a bug, please attempt to
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recreate it with the SANE_DEBUG_ABATON environment variable set to
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255, and send a report detailing the conditions surrounding the bug to
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.IR sane\-devel@alioth-lists.debian.net .
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.SH TODO
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.TP
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.B Implement non-blocking support
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.TP
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.B Finish reverse-engineering the MacOS driver
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This will allow me to add support for other models with reasonable
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confidence that it will work, as well as to fully exploit the
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information returned by the INQUIRY command.
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.SH "SEE ALSO"
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.BR sane (7),
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.BR sane\-scsi (5),
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.BR scanimage (1)
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.SH AUTHOR
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The
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.B sane\-abaton
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backend was partially written by David Huggins-Daines,
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based on the
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.BR sane\-apple (5)
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backend by Milon Firikis.
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