Subject:
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Re: NXT to NXT communication?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 5 May 2006 19:08:52 GMT
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Viewed:
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7255 times
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In lugnet.robotics, John Hansen wrote:
> In lugnet.robotics, David Hurley wrote:
> > Ok after actually reading the other threads in this post, it looks like TLG
> > decided to develop its own BT profile just for the NXT. The messaging mechanism
> > described by Brian and Steve looks like it will allow direct slave-slave
> > communication, which is not described in the spec to my knowledge. But it does
> > make commuications easier among NXT's from what it sounds like.
>
>
> I am not certain but I believe that the NXT does not allow direct slave-slave
> communication. An NXT can be both a master and a slave in a hierarchical array
> of NXTs (to the best of my knowledge) but two slave NXTs cannot directly
> communicate with each other. The way I understand it, the master NXT would have
> to have a program running on it which would take a message from slave 1 and pass
> it on to slave 2.
>
> John Hansen
OK...it looks like this messaging mechanism in
http://news.lugnet.com/robotics/?n=25849 is a little confusing. Steve cleared
this up a bit in http://news.lugnet.com/robotics/?n=25862
In the hierarchy he discussed, N0 has to go through N1 to talk to N2-4. This
model can be extended to higher levels in a tree network with three lower level
legs below each node. So no direct communication...yet.
Dave H.
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Message is in Reply To:
 | | Re: NXT to NXT communication?
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| (...) I am not certain but I believe that the NXT does not allow direct slave-slave communication. An NXT can be both a master and a slave in a hierarchical array of NXTs (to the best of my knowledge) but two slave NXTs cannot directly communicate (...) (20 years ago, 4-May-06, to lugnet.robotics)
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