System exclusive (command 255): Command 0xff is used to send a message that is specific to a particular device or software system. The data block should begin with a two-byte system ID; designers of that system are then free to define any message format for the rest of the data block.
I'm incorporating a OPC server into my smart light project. I want to do my own implementation based on spec, but it seems that there is a mismatch.
On http://openpixelcontrol.org/ the spec says:
In
opc.h
we have:How should I handle the
Stream Sync
command? From the code it seems it's only a kind of keep-alive (data is never read)