Subject:
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Re: RCX Communications problems
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Newsgroups:
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lugnet.robotics.rcx.java
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Date:
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Thu, 9 Oct 2003 20:26:50 GMT
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Viewed:
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5419 times
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Gabriel Puma wrote:
> Hi everyone,
>
> I did take a look at LNP, but I need to be sure that the RCX received the
> packet. As far as I Know, LNP is an UDP kind of communication. LLC is more
> reliable way to communicate as it uses ACK. • the LNP class also uses LLC, it just doesn't implement receiveAck().
>
> I’m thinking know in recompile the RCXPort class and try to get the name of the
> robot into the protocol somehow but I’m not sure if this is the best way to do
> it.
You could work ACKs into LNP (e.g. create a LNPReliableHandler), or you could add
multi-byte support into and put an addressing layer over LLCReliableHandler. The
choice is yours. To me it seems the LNP protocol already has the hard work done
(multi-byte payloads, addressing), whereas LLCReliable just sends one byte of
data, unaddressed. There's also an existing significant code base using LNP.
-Brian
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Message is in Reply To:
 | | Re: RCX Communications problems
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| Hi everyone, I did take a look at LNP, but I need to be sure that the RCX received the packet. As far as I Know, LNP is an UDP kind of communication. LLC is more reliable way to communicate as it uses ACK. I’m thinking know in recompile the RCXPort (...) (21 years ago, 7-Oct-03, to lugnet.robotics.rcx.java)
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