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In lugnet.general, David Koudys wrote:
> In lugnet.general, John Hansen wrote:
> > In lugnet.general, Philippe Hurbain wrote:
> > >
> > > The LEGO company just released a document detailing the complete protocol
> > > used by Power Functions RC receiver.
> >
> > In collaboration with Jason Railton I have modified/extended the NBC and NXC API
> > functions for the HiTechnic iRLink device in support of the newly documented
> > Power Function modes as well as the R/C Train IR protocol. I uploaded a new
> > test_release zip to the BricxCC page with NBC and BricxCC executable updates
> > with these new API functions included in the compiler and BricxCC syntax
> > highlighter/code completion support for NBC and NXC programs. These updates
> > will be in the next beta release of NBC/NXC and the next official BricxCC
> > release.
>
>
> <snip>
>
> Nicely done John!
>
> Is there a tentative timeframe when NQC for the RCX will be updated to support
> IR to the LEGO powerfunctions?
>
> Dave K
I doubt that's possible - a bytecode program just can't run fast enough to do
the timing for the IR commands, on either brick. The NXT can only manage it
because it sends them over a slow comms link to a HiTechnic IRLink sensor, then
that handles the actual transmission. The only way the RCX could do it with
it's built-in IR LED is to code the functions into a replacement firmware, as
with Bob Kojima's BrickOS example:
http://news.lugnet.com/general/?n=54443
Jason R
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