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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
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