Subject:
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Re: RCX-IR Tower Communication
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 8 Jan 2000 04:06:28 GMT
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Viewed:
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498 times
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I downloaded that already. I confess I didn't explore all possibilities yet
but sending messages to the RCX seens to be one of the limitations.
I'm aware of the commands you mentioned but I'm not sure if they will work
if the RCX moves out of range them comes back. Although I can read a lot of
info with spirit, I can't interact with a running program in the RCX (eg.
change the variables). Of course, I could stop the program and download
another one. But what I really want is to instruct a program already
downloaded. Sending mesages seens to be the only way unless I can alter
variables with programs running. I believe it's possible but I didn't try
that yet.
Thanks for the suggestion. I'll spent some time in the weekend to try this.
Mauro
"Philippe Jadin" <philippe.jadin@skynet.be> wrote in message
news:38763E50.98734284@skynet.be...
> Did you download the spirit.ocx documentation? You can control almost
> everything with spirit commands. You can pol variable, send messages,
> ... I think that spirot.poll(source,number) will give the content of a
> variable, for instance. Or you could use the datalog, there are 3
> commands in spirit.ocx :
>
> .setdatalog(size)
> .datalognext(source,number)
> .uploaddatalog(from,size)
>
> maybe the latest is the most usefull. Again, I strongly recommend that
> you download the spirit.ocx technical reference available at the
> mindstorms site.
>
> Good luck !
> Phil
>
> Mauro Vianna a écrit :
> >
> > I'd like to implement a Visual Basic program able to communicate with • the
> > RCX. RCX has commands to send and receive messages, but I don't no a way • to
> > send and receive it from a computer program. This way RCX could have an
> > autonomous program and ask help for a computer for more complex tasks • (ex:
> > using a mapping database for route decision).
> > I don't want to download a new program neither control the RCX directly • due
> > to limitations of dwonloaded programs and line of vision.
> >
> > It seens Spirit.ocx doesnt have this functionality, except for • downlodable
> > commands. I know I can send a message with NQC inline parameter, but I'd
> > prefer to do it inside my program. Besides I must be able to read • messages
> > sent by RCX too. Could it be as simple as writing or sending bytes to • the
> > serial port connected to the IR tower? I didn't try it yet.
> >
> > Another question: Does someone know a way to use notebooks IR ports • instead
> > of the Lego IR tower to communicate with RCX? I don't think it's • possible,
> > but it would be good.
> >
> > Mauro Vianna
>
> --
> ---------------------------------------------------------------------
> Philippe Jadin
> mailto:philippe.jadin@skynet.be
> Belgium, Europe
> Simple yet usefull Robot stuff goto
> http://users.swing.be/philippe.jadin
> For low-cost web design goto http://users.skynet.be/clairetnet
>
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Message has 1 Reply:
 | | Re: RCX-IR Tower Communication
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| (...) They will fail if the rcx has to send messages and the tower "sleeps". The tower can always send messages, but enter into sleep mode after a few seconds (to the group : correct me if I'm wrong:-). The rcx can send message only if the tower is (...) (24 years ago, 8-Jan-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: RCX-IR Tower Communication
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| Did you download the spirit.ocx documentation? You can control almost everything with spirit commands. You can pol variable, send messages, ... I think that spirot.poll(source,number) will give the content of a variable, for instance. Or you could (...) (24 years ago, 7-Jan-00, to lugnet.robotics)
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