Subject:
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Re: Hacker rcx
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 22 Jan 2002 16:26:07 GMT
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Original-From:
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PC CHAN <PC.CHAN@ALCATEL.stopspammersCOM>
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Viewed:
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851 times
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Hi,
It looks like you really meant a single "byte".
To my understanding from the RCX 2.0 (with usb port) SDK available from
Lego, the "byte" would have to be wrapped up in a certain way, such as
leading sync bytes plus a number of conditions to form a command for
transporting through the IR tower.
For example the "byte" itself must have a certain bit toggled between
commands, followed by the compliment of the "byte". The "byte" also
implies the number of bytes of parameters to follow. The parameters
should then be paired up with their compliments in the same way. At the
end there should be a sumcheck and its compliment.
It is a command in a proper wrapper, the RCX is looking for. We cannot
expect the RCX to respond to a single byte in isolation.
There is a send raw command in nqc, you can send raw bytes to send but
again the RCX would only respond unless it is a properly formed dcommand.
Please read the documentation in the RCX 2.0 SDK for details. It
should be the same for RCX 1.5, since there isn't a separate SDK for RCX
1.5.
By the way, if you are using nqc (Not Quite C. It is free!), you may
try the undocumented -v option. It shows you how each command is being
sent and responsed to. In that way you can learn how the wrapper works
so that you can do the same in your SENDBYTE.
P.C.
==========================================================================
========================
nanobapt wrote:
> Yes my rcx have the firmware !! So i send the Byte by the SENDBYTE
> command which include in the port.dll which I use
>
>
>
> thanks
>
>
>
> nanobapt
>
>
>
> -----------------------------------------------------------------
> "la cuillère n'existe pas"
> http://www.mindstorms-bapt.fr.st/
> http://membres.tripod.fr/mecahp
> icq : 94470030
>
> ----- Original Message -----
>
> From: PC CHAN <mailto:pc.chan@alcatel.com>
>
> To:nanobapt <mailto:nanobapt@nordnet.fr>
>
> Cc: lego-robotics@crynwr.com <mailto:lego-robotics@crynwr.com>
>
> Sent: Monday, January 21, 2002 2:58 PM
>
> Subject: Re: Hacker rcx
>
>
> Which command did you send and how did you send it? Did your RCX
> have the firmware in it?
>
> nanobapt wrote:
>
> > i have a problem. I want to program a windows to send RCX
> > message but i have a problem ... My problem that i can send Byte
> > but the rcx don't know them. I follow the rcx internal
> > instruction but it don't work !!
> >
> >
> >
> > Someone can help me to write a program who can send RCX message
> > in VB ??
> >
> >
> >
> > thanks
> >
> >
> >
> > nanobapt
> >
> >
> >
> > -----------------------------------------------------------------
> > "la cuillère n'existe pas"
> > http://www.mindstorms-bapt.fr.st/
> > http://membres.tripod.fr/mecahp
> > icq : 94470030
>
>
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Message has 1 Reply:
 | | RE: Hacker rcx
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| Ok I know the lego network protocol communication but i can't send it well cause the message is first : not understand by the RCX second : cause (perhaps) is that the message is not correctly send ... for more information that the code i use : (...) (23 years ago, 22-Jan-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: Hacker rcx
|
| Yes my rcx have the firmware !! So i send the Byte by the SENDBYTE command which include in the port.dll which I use thanks nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 ----- Original Message ----- From: PC CHAN To: nanobapt Cc: (...) (23 years ago, 22-Jan-02, to lugnet.robotics)
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