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I ve got the very first and only tcp/ip enabled RCX in my room, cool, eh ?
I will make a webpage at the end of the week to make the very first
(rudimentary, but working) version available to the public.
Right now, the tcp/ip stack is compiled into the kernel and the stack calls
the usercode itself.
The code to pass the incoming packets to the stack and to send packets to the
pc is currently running as a simple userprogram. (*.lx).
On the pc the lnpd runs a program that acts as a gateway between the tower
and the pc.
This gateway passes the packets coming from the tower to e.g. 192.168.0.1
and sends packets from 192.168.0.1 to the rcx.
Right now the only thing you can do is pinging the RCX.
But writing e.g. a very small webserver shouldnt be that big a deal ;-)
Because, lnp is still alive i had to disable the sound support to free some
RAM.
Right now i got approx. 3 KB RAM left, still enough to do a lot of useful
stuff.
I think, the best way to fully integrate the tcp/ip-stack into the
Legos-kernel would be replacing lnp by a tiny slip-driver.
On the pc we could get rid of the lnpd.
Olaf Christ
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Message has 8 Replies:
 | | Re: true tcp/ip on the RCX
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| <Mr Burn's> Excellent!!! I've seen some neat ideas but, this one takes the cake hands down.... Especially that it also appeared on www.slashdot.org makes it even more impressive.. Bravo to you.. Can't wait to see the webpage.. Wayne (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
| | | Re: true tcp/ip on the RCX
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| "Olaf" <christ_o@gmx.de> schrieb im Newsbeitrag news:Gqo0BH.E9t@lugnet.com... (...) calls (...) <---snip----> Hi Olaf, i think it´s the wrong way to blow up the legOS kernel with a ip-stack, because you lost valuable RCX memory to legOS (...) (23 years ago, 30-Jan-02, to lugnet.robotics.rcx.legos)
| | | Re: true tcp/ip on the RCX
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| (...) [...] (...) A few days ago, Olaf sent me his legOS TCP/IP code which I have been running a few days, so I probably have the world's second TCP/IP-enabled Lego brick in my office :-) ! I was also able to squeeze in a simple web server, a few (...) (23 years ago, 1-Feb-02, to lugnet.robotics.rcx.legos)
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