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Use cases

Turn off your AV devices from your media center

Start by connecting through telnet to kwikwai.

Turn off your TV

cec:send A F0:36
OK cec:send A F0:36

Turn off all the AV devices

cec:send A FF:36
OK cec:send A FF:36

Monitor the HDMI CEC bus

As usual, start by connecting through telnet to kwikwai.

Turn monitoring on

cec:listen:set 1
OK cec:listen:set 1

Enjoy !

14:11:21 F0!46!#
14:11:21 0F 00 46 00 #
14:11:36 F0!46!#
14:11:36 0F 00 46 00 #
14:11:51 F0!46!#
14:11:52 0F 00 46 00 #
...
F0 46
An unregistered device requests the preferred OSD name of the TV for use in menus associated with it.
0F 00 46 00
The TV answers by broadcasting that it does not support the requested message type, or that it cannot execute it at the present time.

TV turned on

14:13:28 0F 84 00 00 00 # 
14:13:28 0F 80 00 00 30 00 #
0F 84 00 00 00
The TV informs all other devices of the mapping between its physical (0.0.0.0) and logical (0) address.
0F 80 00 00 30 00
The TV informs all other devices of the new active route

DVD turned on

14:14:25 4F 84 30 00 04 #
14:14:25 F0!46!#
14:14:26 40!91!#
14:14:26 0F 32 66 72 65 #
14:14:30 04!46!#
14:14:30 40!47!50!48!49!4C!49!50!53!20!44!56!50!#
14:14:30 04!00!47!00!#
14:14:34 40!04!#
14:14:34 40!8F!#
14:14:34 04!90!00!#
14:14:36 40!8F!#
14:14:37 04!90!00!#
14:14:39 40!8F!#
14:14:39 04!90!00!#
14:14:41 4F 82 30 00 #
4F 84 30 00 04
The playback device 1 at the logical address 4 (the DVD) informs all other devices of the mapping between its physical (3.0.0.0) and logical (4) address.
40 91
The DVD asks the TV the currently selected Menu language.
0F 32 66 72 65
The TV broadcasts its menu language (fre)
40 47 50 48 49 4C 49 50 53 20 44 56 50
The DVD sets its name for the TV (philips dvp)
40 04
The DVD informs the TV it enters the active state
40 8F
The DVD asks the TV its current power status
04 90 00
The TV gives its power status (On)
4F 82 30 00
The DVD indicates to all the devices that it has started to transmit a stream