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 Robotics / RCX / legOS / 1594
1593  |  1595
Subject: 
Re: LNP and the LEGO remote
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Fri, 29 Dec 2000 04:34:36 GMT
Viewed: 
3676 times
  
In lugnet.robotics.rcx.legos, Rasmus Kjeldsen writes:
> 
> Luis previously wrote:
> 
> > I'd actually really like to include Chris's patch in the official tree,
> > but I'm informed by folks with more clue about the networking stuff than
> > me that switching the parity bit would probably break some LNP stuff.
> 
> I think that a solution could be to run LNP in no-parity mode,
> listen for a LEGO remote message header (55 ff 00 d2 2d), and then
> switch to odd parity mode on the fly (no parity mode recieves the header ok),
> receive the message, and when the message is received, switch back to no • parity
> mode.
> 
> I've tried it, and it works fine for me, I switch to odd parity mode, when I
> see the 0x55 byte. - I'm not using the patch Chris Arquiza have
> made, just a little modification of the LNP code.
> 
> (One downside it has is ofcause that it kind of breaks the layer model, • because
> the integrity layer accesses the hardware directly and not through
> the logical layer.)
> 
> Any comments on that?

Hi Rasmus,

Do you have a patch for this? I'm working on a project for which I want to use
the remote, and it'd be nice if I could use legOS...

Thanks,

ROSCO



Message is in Reply To:
  LNP and the LEGO remote
 
Luis previously wrote: > I'd actually really like to include Chris's patch in the official tree, > but I'm informed by folks with more clue about the networking stuff than > me that switching the parity bit would probably break some LNP stuff. I (...) (26 years ago, 1-Nov-00, to lugnet.robotics.rcx.legos)

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