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Subject: 
Re: questions on events
Newsgroups: 
lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.nqc
Date: 
Mon, 3 Jan 2005 14:56:11 GMT
Viewed: 
11959 times
  
In lugnet.robotics.rcx.robolab, Elizabeth Mabrey wrote:

firmware... You can monitor multiple events, but only in
*different* tasks. In other words, (to my knowledge) you can
not "nest" event monitors.

Hmm..., notice that the start monitoring icon allows to
watch for multiple events within the same task.  If each
task can only monitor a single event, that feature being
there does not quite make sense.

   Yeah, my fault. I said two things that do not have to follow. Yes, you can
use one event monitor to watch more than one event... and yes, you can't nest
event monitoring statements. I've not used an event watcher to monitor more than
one event previously.

....if only one event monitor can take place in
a single task

   Then you use one monitor to watch for multiple events. The trick is
determining which event(s) fired to trip you into the event handling branch. In
NQC there's a command to interrogate the firmware to determine which event(s)
have fired after the fact - the question now becomes, where in Robolab does such
a command exist?

I always create comment as synopsis  at the
top of my robolab vi file.

   Sigh. I wish I had the time to understand Robolab better. Seems like a
wonderful language (especially for my 7-year-old) but the enviroment really put
me off when I started in with it.

--
Brian Davis



Message has 1 Reply:
  Re: questions on events
 
(...) This is where you use the event fork(s) that you asked about in a different message. You nest these forks to determine which event has been triggered. (...) Robolab is just a LabVIEW program. Viewed in that context, it is an amazing bit of (...) (20 years ago, 3-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.nqc)

Message is in Reply To:
  RE: questions on events
 
(...) Hmm..., notice that the start monitoring icon allows to watch for multiple events within the same task. If each task can only monitor a single event, that feature being there does not quite make sense. (...) This is why I suspect the "event" (...) (20 years ago, 3-Jan-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.nqc)

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