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 21:44:59 GMT
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Original-From:
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Peter Ljungstrand <peter@#AntiSpam#informatik.gu.se>
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Viewed:
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1122 times
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Take a look at my page to find out how the CyberMaster protocol works
(it is not the very same as the RCX), and to find som sample programs in C
and Perl
that works.
http://www.viktoria.informatik.gu.se/~peter/lego/
//Peter
At +0000 1/25/99 21:24, you wrote:
> 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
-------------------------------------------------------------------------
Peter Ljungstrand; PLAY Research Group, Viktoria Institute
http://www.viktoria.informatics.gu.se
Email: peter@informatics.gu.se
Phone: +46-(0)31-7735543 Mobile: +46-(0)708-302251
Fax: +46-(0)31-7735530 ICQ: 6820636
Visitors: Viktoriagatan 13, 7th floor
Snail-mail: Box 620, 40530 Göteborg, Sweden
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Communicating with Cybermaster not easy
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| 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 (...) (26 years ago, 25-Jan-99, to lugnet.robotics)
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