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In lugnet.robotics.rcx.robolab, Brian Davis wrote:
> 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?
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.
>
> > 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.
Robolab is just a LabVIEW program. Viewed in that context, it is an amazing bit
of coding. I'm a G programmer myself and am very impressed w/what the folks at
Tufts did.
However, if you lack that context, I imagine that Robolab is tremendously
frustrating. The environment is loaded w/LabVIEW artifacts that must just seem
weird, the documentation is pitiful at best, I've yet to find a decent tutorial,
and previous versions were quite buggy.
That said, I've had great success w/Robolab and find it to be a very intuitive
way to program.
Tom
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