sane-dc240(5)            SANE Scanner Access Now Easy            sane-dc240(5)



NAME
       sane-dc240 - SANE backend for Kodak DC240 Digital Camera

DESCRIPTION
       The sane-dc240 library implements a SANE (Scanner Access Now Easy)
       backend that provides access to the Kodak DC240 camera. THIS IS
       EXTREMELY ALPHA CODE!  USE AT YOUR OWN RISK!!

DEVICE NAMES
       The current version of the backend only allows one camera to be
       connected.  The device name is always "0".

CONFIGURATION
       The contents of the dc240.conf specify the serial port and baud rate to
       use.  The baud rate specifies the maximum rate to use while downloading
       pictures.  (The camera is always initialized using 9600 baud, then
       switches to the higher rate).  On a 450MHz Pentium, I usually have no
       problems downloading at 115200 baud, though the camera sometimes has to
       resend packets due to lost characters.  Results are better when the
       "interrupt-unmask flag" is set in the IDE driver (hdparm -u1).
       Supported baud rates are: 9600, 19200, 38400, 57600, and 115200.

       The dumpinquiry line causes some information about the camera to be
       printed.

       cmdrespause specifies how many usec (1,000,000ths of a) between writing
       the command and reading the result should be used. 125000 seems to be
       the lowest I could go reliably.

       breakpause is the time in 1,000,000ths of a usec between sending the
       "back to default" break sending commands.

       Empty lines and lines starting with a hash mark (#) are ignored.  A
       sample configuration file is shown below:

              port=/dev/ttyS0
              # this is a comment
              baud=115200
              dumpinquiry
              cmdrespause=125000
              breakpause=1000000

FILES
       /etc/sane.d/dc240.conf
              The backend configuration file (see also description of
              SANE_CONFIG_DIR below).

       /usr/local/lib/sane/libsane-dc240.a
              The static library implementing this backend.

       /usr/local/lib/sane/libsane-dc240.so
              The shared library implementing this backend (present on systems
              that support dynamic loading).


ENVIRONMENT
       SANE_CONFIG_DIR
              This environment variable specifies the list of directories that
              may contain the configuration file.  Under UNIX, the directories
              are separated by a colon (`:'), under OS/2, they are separated
              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
              /etc/sane.d.  If the value of the environment variable ends with
              the directory separator character, then the default directories
              are searched after the explicitly specified directories.  For
              example, setting SANE_CONFIG_DIR to "/tmp/config:" would result
              in directories "tmp/config", ".", and "/etc/sane.d" being
              searched (in this order).

       SANE_DEBUG_DC240
              If the library was compiled with debugging support enabled, this
              environment variable controls the debug level for this backend.
              A value of 128 requests maximally copious debug output; smaller
              levels reduce verbosity.


SEE ALSO
       sane(7)


AUTHOR
       Peter S. Fales


       This backend borrows heavily from the dc210 backend by Brian J. Murrell
       which is based somewhat on the dc25 backend by Peter Fales.

       The manpage was largely copied from the dc210 manpage.


BUGS
       The major limitation that I know of is that the backend assumes the
       directory in the camera is 100dc240.  Once the camera has taken more
       than 9999 pictures, the directory will increment to 101dc240.  Not only
       should we check for the additional directory, but pictures may actually
       be found in multiple directories.

       More general comments, suggestions, and inquiries about frontends or
       SANE should go to the SANE Developers mailing list (see
       http://www.sane-project.org/mailing-lists.html for details).  You must
       be subscribed to the list, otherwise your mail won't be sent to the
       subscribers.




                                  11 Jul 2008                    sane-dc240(5)
