Subject:
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Re: LinuxPPC and "No response from RCX" problem
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Fri, 3 Nov 2000 20:30:03 GMT
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Viewed:
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2101 times
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Chris wrote:
>
> Hi,
>
> I recently bought an RIS kit and from my Windows box it works fine. When
> I try using LinuxPPC off my PPC Amiga I get the following:
>
> [root] /home/chris/nqc/nqc-2.2.r2 >bin/nqc -v -raw 10
> Tx: 55 ff 00 10 ef 10 ef
> Rx: 55 ff 00 10 ef 10 ef
> Tx: 55 ff 00 10 ef 10 ef
> Rx: 55 ff 00 10 ef 10 ef
> Tx: 55 ff 00 10 ef 10 ef
> Rx: 55 ff 00 10 ef 10 ef
> Tx: 55 ff 00 10 ef 10 ef
> Rx: 55 ff 00 10 ef 10 ef
> Tx: 55 ff 00 10 ef 10 ef
> Rx: 55 ff 00 10 ef 10 ef
> Tx: 55 ff 00 18 e7 18 e7
> Rx: 55 ff 00 18 e7 18 e7
> Tx: 55 ff 00 18 e7 18 e7
> Rx: 55 ff 00 18 e7 18 e7
> Tx: 55 ff 00 18 e7 18 e7
> Rx: 55 ff 00 18 e7 18 e7
> Tx: 55 ff 00 18 e7 18 e7
> Rx: 55 ff 00 18 e7 18 e7
> Tx: 55 ff 00 18 e7 18 e7
> Rx: 55 ff 00 18 e7 18 e7
> No reply from RCX
>
> This happens no matter the ambient illumination - sunlight, artificial tungsten
> light, darkness - and the RCX is situated exactly 6 inches from the front of
> the IR tower. The only differences here are the computer and OS - everything
> else is the same. I've tried doing
>
> stty -a </dev/ttyS0
>
> when nqc is talking to the IR tower and it reports the baud is 2400, is that
> correct (there's two different values in the source - 2400 and 9600).
Did you set the correct permissions for the serial ports (normally they're
only accessible by root under Linux) Do a chmod 777 for /dev/ttyS0
--
Jan-Albert "Anvil" van Ree | http://www.nl.3dgamers.com
3D Sims Archive maintainer | http://www.3dgamers.com
Thrustmaster Resource Center | http://www.3dgamers.com/tmresourcecenter/
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Message has 1 Reply:
 | | Re: LinuxPPC and "No response from RCX" problem
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| (...) Umm.. note the prompt ;)) I'd done an su root before testing to avoid permissions problems. This seems like a problem with nqc on LinuxPPC 3Q99, but I can't understand quite what it is as the tower obviously works - the green light is visible (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | LinuxPPC and "No response from RCX" problem
|
| Hi, I recently bought an RIS kit and from my Windows box it works fine. When I try using LinuxPPC off my PPC Amiga I get the following: [root] /home/chris/nqc/nqc-2.2.r2 >bin/nqc -v -raw 10 Tx: 55 ff 00 10 ef 10 ef Rx: 55 ff 00 10 ef 10 ef Tx: 55 ff (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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