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Subject: 
Re: Ethernet for RCX?
Newsgroups: 
lugnet.robotics
Date: 
Sun, 17 Jan 1999 11:56:18 GMT
Original-From: 
Simon Brooke <SIMON@JASMINE.ORGnospam.UK>
Viewed: 
4184 times
  
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



Message is in Reply To:
  Re: Ethernet for RCX?
 
(...) 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 (...) (28 years ago, 7-Jan-99, to lugnet.robotics)

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