![]() ![]() Once you have that, it would take some extra code at least in the CEC client, then mappings to another control method. I think it's similar to an ethernet MAC address, so it wont change. If you want to get the device correctly set up (Sky box by any chance?) you will need to find this address. ![]() So, for my implementation, I would have needed to hook into this extra line as well as the CEC line to set up the correct mapping (fortunately you can get this address from a PC via other means, so I used that and passed the info over USB in it's initialisation process). Then using the CEC protocol it sets up a mapping between this address and a CEC identifier. ![]() Basically, there is a separate line, can't remember what it's called, over which the TV & source communicate things like display modes, and it is over this line that a unique address is initially advertised. One of the "problems" of CEC is it uses non-CEC mapping from the start. I have looked into this before for another project (an Arduino-based CEC dongle for a PC). ![]()
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