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Man Pages
xcmddc(1) FreeBSD General Commands Manual xcmddc(1)

xcmddc - monitor EDID fetching over i2c

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

The xcmddc tool fetches a monitors EDID data block over a i2c communication channel.

-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 stdout.
--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.

-v, --verbose
increase verbosity

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

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

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

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

at: https://github.com/oyranos-cms/xcm/issues
November 22, 2016 User Commands

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