Subject:
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Re: Event monitoring
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Thu, 15 Mar 2001 02:21:40 GMT
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Viewed:
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2230 times
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In article <GA7660.514@lugnet.com>, "Jeff Lalo" <jeff_lalo@hotmail.com>
wrote:
> Hi all,
>
> I have just switched to NQC 2.3 b1 (from 2.2) to implement the new
> features
> of the RCX 2.0. I have used event monitoring to clean up my if/else
> statements that control outputs. This works fine with all legal event
> sources, but I use allot of virtual sensors and would like to use them as
> event sources. The current problem:
>
> I have built a simple differential light sensor that calculates the
> difference in software. I want to use event monitoring with this virtual
> sensor. My current idea is to spoof the value to a counter or message
> buffer and then set the events with the spoof as the source. Does anyone
> know how to set the message buffer internally to a variable value using
> NQC
> and RCX 2.0 firm(without actually receiving a message from the tower)?
>
> Would greatly appreciate help :-)
You can generate a message internally with
InternalMessage(X);
but X must be a constant (can't be a variable). I'm not sure if this
will trigger the message event - I haven't tried it myself.
If it does trigger an event, you could use the message to trigger the
event but store the calculated value in a global variable somewhere.
That way you'd only need to send constant messages. You could also use
counters the same way (triggering it just to send a signal to the event
watching task, but read the actual data value from a global).
Dave Baum
--
reply to: dbaum at enteract dot com
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Message is in Reply To:
 | | Event monitoring
|
| Hi all, I have just switched to NQC 2.3 b1 (from 2.2) to implement the new features of the RCX 2.0. I have used event monitoring to clean up my if/else statements that control outputs. This works fine with all legal event sources, but I use allot of (...) (24 years ago, 14-Mar-01, to lugnet.robotics.rcx.nqc)
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