Subject:
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Re: Ethernet for RCX?
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 17 Jan 1999 11:56:18 GMT
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Original-From:
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Simon Brooke <simon@jasmine.org=nomorespam=.uk>
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Viewed:
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1815 times
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John A. Tamplin wrote:
>
> On Thu, 7 Jan 1999, Tony Toyofuku wrote:
>
> > Has anyone put any thought into getting the RCX to output to an Ethernet
> > interface?
>
> > Of course, what I'm really interested in is an entire TCP/IP
> > stack- Ethernet hardware, RCX Ethernet driver, IP stack, TCP stack, and
> > a BSD sockets API, but I don't think such a beast exists.
I really don't think you'll do this in 32k and still have space for
application layer code (mind you, if I'm wrong, I'll be the first to
cheer...)
> Well, I plan on building networking code, but it won't be full IP. However,
> it would be easy to have an IP proxy running on the host computer and
> relaying packets over the IR.
This looks a more promising start. Use a *very* simplified protocol over
the IR link, have packet filtering done at the static (non-RCX) end so
that only relevent packets get sent. Oh, and do the buffering at the
static end.
--
simon@jasmine.org.uk (Simon Brooke) http://www.jasmine.org.uk/~simon/
-- mens vacua in medio vacuo --
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Re: Ethernet for RCX?
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| (...) I don't know how you would get to it without hacking hardware and putting an Ethernet controller in external address space, and then writing the code for it. One problem: Ethernet needs a far amount of buffer space to keep up with packets and (...) (26 years ago, 7-Jan-99, to lugnet.robotics)
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