I understand the motivation and appreciate the beauty of the messaging 
approach. I seem to be missing something that is probably obvious in the 
mechanics however. I can understand individual elements of 
publish/subscribe, encode/decode, the anddemo 
at https://github.com/machinekit/pymachinetalk makes sense to me, etc.

I don't understand how to figure out how to initiate a channel containing a 
given message. For example, I would like to monitor the messages as defined 
in motcmds.proto 
<https://github.com/machinekit/machinetalk-protobuf/blob/master/src/machinetalk/protobuf/motcmds.proto>.
 
Are these message streams by definition flying around somewhere that I just 
need to listen to? If so, where does it happen so I can look at the code 
and further understand. Or perhaps these messages need to be turned on 
somewhere? Or perhaps the messages are just defined here and it is left as 
an exercise to the coder to generate them?

In short, I feel like I understand the overarching intent, and also 
understand much of the underlying detail, but I am not able to figure out 
the connective tissue between the two. Would somebody please point me 
towards enlightenment?

Brian

-- 
website: http://www.machinekit.io blog: http://blog.machinekit.io github: 
https://github.com/machinekit
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