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xcmddc(1)							     xcmddc(1)

NAME
       xcmddc - monitor EDID fetching over i2c

SYNOPSIS
       xcmddc [ -l [-v] ]
       xcmddc [ -d POSITIONAL_NUMBER [--force-output] [--identify] ]
       xcmddc [ --i2c NODE_NAME [--force-output] [--identify] ]
       xcmddc [-h]

DESCRIPTION
       The  xcmddc tool fetches a monitors EDID data block over a i2c communi‐
       cation channel.

OPTIONS
       -l     list devices.  Only devices which provide a EDID data block  and
	      the EDID's header is valid will be counted.

	      -v show each device by its node name.

       -d=POSITIONAL_NUMBER , -d POSITIONAL_NUMBER
	      position	in device list.	 The numbering of monitors starts with
	      zero for the first device. To get the number  of	all  available
	      devices  use  "xcmddc -l". The EDID data block is dumped to std‐
	      out.

	      --force-output switch EDID header verificatcationn off.

	      --identify dump the error code as integer to stdout.

       --i2c=NODE_NAME , --i2c NODE_NAME
	      select the i2c device node file. The EDID data block  is	dumped
	      to  stdout.  The --i2c option is much faster than the -d option.
	      This is because of much fewer timeouts reuired for counting  the
	      valid i2c device with the -d option.

	      --force-output switch EDID header verification off.

	      --identify dump the error code as integer to stdout.

GENERAL OPTIONS
       -v, --verbose
	      increase verbosity

EXAMPLES
       Count available i2c->monitor devices:
	      xcmddc -l

       List available i2c->monitor devices by name:
	      xcmddc -lv

       Dump EDID from first i2c node:
	      xcmddc -d 0

       Dump EDID by i2c device name:
	      xcmddc --i2c /dev/i2c-5

       Print a help text:
	      xcmddc -h

AUTHOR
       Kai-Uwe Behrmann (ku.b (at) gmx.de)

COPYRIGHT
       (c) 2010, Kai-Uwe Behrmann
       License: MIT <http://www.opensource.org/licenses/mit-license.php>

SEE ALSO
       xcmedid(1) xcmevents(1) libXcm(3) XcmDDC(3)
       http://www.oyranos.org

REPORTING BUGS
       at: http://sourceforge.net/tracker/?group_id=177017&atid=879553

User Commands		       December 30, 2010		     xcmddc(1)

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