Subject:
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Re: Keeping tower on for sporadic broadcasts from RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 12 Feb 2002 22:28:09 GMT
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Original-From:
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Chris 'Xenon' Hanson <xenon@3dnature.STOPSPAMcom>
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Reply-To:
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xenon@3dnature.STOPSPAMcom
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Viewed:
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677 times
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Steve Baker wrote:
> The 'official' way to do this is to have the RCX record data in a 'data log'
> and have the PC poll that periodically to upload it's contents. That
> can be done quite easily with NQC. I guess the act of sending the poll request
> from the PC is what wakes up the tower so that the returned data log will
> be received.
So polling is the only software way of keeping the tower alive. I guess I
can have the PC poll with single-byte NO-OP packets then. However, since my
application is LIDAR, I'm a bit worried about the random IR bursts from the
tower sending NULL bytes polluting my light measurements.
Maybe the datalog upload is the way to go. Perhaps I can make the RCX stop
what it's doing (measuring) and communicate the stored data, then resume
measurements after the IR communication has ceased.
> ----------------------------- Steve Baker -------------------------------
> Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com>
> URLs : http://www.sjbaker.org
> http://plib.sf.net http://tuxaqfh.sf.net http://tuxkart.sf.net
> http://prettypoly.sf.net http://freeglut.sf.net
> http://toobular.sf.net http://lodestone.sf.net
Thanks everyone!
Chris - Xenon
--
Chris Hanson | Xenon@3DNature.com | I've got friends in low latitudes!
New WCS 5 Demo Version! http://www.3DNature.com/demo/
"There is no Truth. There is only Perception. To Perceive is to Exist." - Xen
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Message is in Reply To:
 | | Keeping tower on for sporadic broadcasts from RCX
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| So, I have the hardware and RCX software for my LIDAR station done. I have the host-PC side client software to display the data collected in real time. Now I need to get tab A to fit into slot A by getting the two to talk to each other. My original (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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