[simpits-tech] Marv: driving DBQ gauges??

[simpits-tech@simpits.org]

Why EPIC?? Simple answer: integration.

EPIC ties together inputs/outputs and transducers of 
various sorts together in ways that would only be 
possible with phidgets by writing code for the phidgets 
that replicates much of what EPIC EPL does already.  

Our analysis is that the extra 
coding/testing/integration work involved in using 
phidgets far outweighs any initial cost saving you 
might realize in buying hardware.

Tight integration is important because Falcon4 SP3, our 
software of (no- ;) choice at present, has some serious 
gaps in the way analogs, button inputs, lamp outputs 
and shared memory data are managed.  These gaps require 
some "papering" over with code bound to the 
simulator...that's harder to do if your various I/O 
systems are not controlled from the same code (or code 
that at the least has other means to share "event" 
handling).

I know that w.r.t. DBQ gauges and EPIC, the key is to 
work out how to hook servos to an EPIC module of some 
sort.  I don't see an EPIC module that "just works" for 
that purpose.

Hence my question of Marv (or anyone else ;)...has 
anyone already thought about how to hook servos up to 
an EPIC??  

Cheers,

Mark.

p.s. Incidently, last time I looked I thought I saw 
that the phidget servo controller could only do max 
deflections of 0-180 degrees...isn't that a bit 
limiting for gauges that can/should rotate rather more 
than that??  I expect this must have been solved already
(?).

> > Thanks, Gene.  As I said, I did see the reference to
> > phidgets in the original announcement.  I've evaluated
> > phidgets before so I know roughly how they work.
> >
> > We're using EPIC, not phidgets.  What I'm interested in
> > is whether these gauges are going to work integrated
> > with EPIC.
> >
> Mark, if you can figure out how to drive a standard model airplane servo
> with EPIC, you'll be set.  Personally, I wouldn't bother.  There's a
> perfect off the shelf solution in the PhidgetServo line.  They're trivial
> to write software for.  It just doesn't get any easier.
> 
> 
> Why did you pick EPIC over the Phidget line of products?
> 
> g.
> 
> 
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