Subject:
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Re: What sort of signals(values) can be transmitted and received by the RCX
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Mon, 5 May 2003 11:56:43 GMT
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Viewed:
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5815 times
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"Michael Franklin Bosu" <mfbosu@yahoo.com> writes:
>
> I want to know whether it is possible to transmit integers
> from the PC to the RCX.
Yes.
> From all the readings I have done,if I understood what I
> read correctly, then it appears that only hexadecimal
> values can be transmitted from the PC to the RCX or the
> RCX communicates with only hexadecimal.
No, integers are integers whether written decimal or hexadecimal
(or in binary or whatever other base[*]).
What you can do depends on the software you use.
The SendMessage command in the standard firmware can send values
in the range 0-255 (0x00-0xff, 1 byte).
In Lejos you can send strings and all primitive data types
(no serialization of objects).
I don't know what brickOS offers, at least you can convert to
bytes by hand and send them.
> Since you have to begin with a header like this: 0x55 0xff 0x00
Never mind the header, that's internal RCX business.
Jürgen
[*] Using Fibonacci numbers as the base allows to convert quite accurately
between km and miles just by shifting :->
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
> rot 13 "fr"
"se"
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