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sane-abaton(5)		 SANE Scanner Access Now Easy		sane-abaton(5)

       sane-abaton - SANE backend for Abaton flatbed scanners

       The  sane-abaton	 library  implements  a	SANE (Scanner Access Now Easy)
       backend that provides access to Abaton flatbed  scanners.  At  present,
       only the	Scan 300/GS (8bit, 256 levels of gray) is fully	supported, due
       to the absence of programming information.  The Scan 300/S  (black  and
       white) is recognized, but support for it	is untested.

       If you own a Abaton scanner other than the ones listed above that works
       with this backend, or if	you own	an Abaton scanner that does  not  work
       with  this  backend,  please contact
       with the	model number, so that arrangements can be made to include sup-
       port   for   it.	  Have	a  look	 at
       ing-lists.html concerning subscription to sane-devel.

       Abaton is out of	business, and these scanners are not supported by  Ev-
       erex  (the  parent company of Abaton), nor is there any programming in-
       formation to be found.  This driver is therefore	based  on  information
       obtained	 by running Abaton's scanning desk accessory under MacsBug and
       tracing the MacOS SCSI Manager calls it made during image acquisition.

       However,	the protocol is	very similar to, though	not  compatible	 with,
       the  one	used by	the Apple scanners, therefore, if this backend is ever
       extended	to support the other Abaton models (they  also	made  a	 color
       flatbed	scanner),  it may be possible to fill in some "missing pieces"
       from the	(quite detailed) Apple scanner documentation.

       This backend expects device names of the	form:


       Where special is	the path-name for the special device that  corresponds
       to a SCSI scanner. For SCSI scanners, the special device	name must be a
       generic SCSI device or a	symlink	to such	a device.  Under Linux,	such a
       device  name  takes a format such as /dev/sga or	/dev/sg0, for example.
       See sane-scsi(5)	for details.

       The contents of the abaton.conf file is a list  of  device  names  that
       correspond  to  Abaton scanners.	 Empty lines and lines starting	with a
       hash mark (#) are ignored.  See sane-scsi(5) on details of what consti-
       tutes a valid device name.

	      The   backend   configuration  file  (see	 also  description  of
	      SANE_CONFIG_DIR below).

	      The static library implementing this backend.

	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

	      This environment variable	specifies the list of directories that
	      may contain the configuration file.  On *NIX systems, the	direc-
	      tories are separated by a	colon (`:'), under OS/2, they are sep-
	      arated by	a semi-colon (`;').  If	this variable is not set,  the
	      configuration  file  is  searched	 in  two  default directories:
	      first, the current working directory (".") and then in  /usr/lo-
	      cal/etc/sane.d.	If  the	value of the environment variable ends
	      with the directory separator character, then the default	direc-
	      tories  are searched after the explicitly	specified directories.
	      For example, setting SANE_CONFIG_DIR to "/tmp/config:" would re-
	      sult in directories tmp/config, ., and /usr/local/etc/sane.d be-
	      ing searched (in this order).

	      If the library was compiled with debug support enabled, this en-
	      vironment	 variable  controls  the debug level for this backend.
	      E.g., a value of 255 requests all	debug output  to  be  printed.
	      Smaller levels reduce verbosity.

       There are a few known ones, and definitely some unknown ones.

       Scan area miscalculations
	      For  the sake of programmer efficiency, this backend handles all
	      measurements in millimetres, and	floors	(rather	 than  rounds)
	      values  to  avoid	 possible  damage  to  the  scanner mechanism.
	      Therefore, it may	not be possible	to scan	to the	extreme	 right
	      or bottom	edges of the page.

       Cancelling the scan
	      This  might  not work correctly, or it might abort the frontend.
	      The former is more likely	than the latter.

       If you have found something that	you think is a bug, please attempt  to
       recreate	it with	the SANE_DEBUG_ABATON environment variable set to 255,
       and send	a report detailing  the	 conditions  surrounding  the  bug  to

       Implement non-blocking support

       Finish reverse-engineering the MacOS driver
	      This  will allow me to add support for other models with reason-
	      able confidence that it will work, as well as to	fully  exploit
	      the information returned by the INQUIRY command.

       sane(7),	sane-scsi(5), scanimage(1)

       The  sane-abaton	backend	was partially written by David Huggins-Daines,
       based on	the sane-apple(5) backend by Milon Firikis.

				  11 Jul 2008			sane-abaton(5)


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