Subject:
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Re: Communicating with Cybermaster not easy
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 25 Jan 1999 21:54:04 GMT
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Original-From:
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B van Dam <bvandam@westbrabant.[Spamless]net>
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Viewed:
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930 times
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Hi Sten,
Well, I don't have any stamps to sell you, so perhaps you'd care to take a
look on my website which has examples for the Cybermaster in Visual Basic. I
hope Visual Prolog can use .ocx controls otherwise please mail me for some
adresses of stamp dealers :))
CU Bert
Visit my site on Lego, Robot's and Visual Basic at
http://home.concepts.nl/~bvandam/index.html
-----Oorspronkelijk bericht-----
Van: Sten Kvamme <skvamme@capcad.se>
Aan: lego-robotics@crynwr.com <lego-robotics@crynwr.com>
Datum: maandag 25 januari 1999 22:31
Onderwerp: Communicating with Cybermaster not easy
> Hello there,
> I am experimenting with the Cybermaster, but is not able to
> get the communication line up between the PC and rcx radio tower.
> (I use Visual Prolog for programming).
>
> I use 2400bps 8 bit no parity 1 stopbit
> I am sending a byte sequence like the following:
> 0x55 0xFF 0x00 0x10 0xEF 0x10
> where the three first bytes are the header,
> 0x10 is data and 0xEF is complimentary to 0x10
> and the last 0x10 is checksum (sum of all data mod 256)
>
> The light on the rcx radio tower is blinking when I send the data
> but the light on the rcx is not blinking as it should when receiving data.
>
> I get nothing back to th PC.
>
> Do I need some advice or should I take up collecting stamps?
>
> Thanks
> Sten Kvamme
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: Communicating with Cybermaster not easy
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| In article <008d01be48ad$3aa6ba...-van-dam>, B van Dam <bvandam@westbrabant.net> writes (...) If the protocol for Cybermaster is the same as for RCX, you should alternate the &H08 bit in consecutive commands, otherwise the RCX can ignore them. So if (...) (26 years ago, 26-Jan-99, to lugnet.robotics)
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