Re: gEDA-user: Error message when creating a SUBCKT

[John Doty <jpd@xxxxxxxxx>]

Hmm, I wonder if the problem is the hidden power pins, combined with  
slotting. Oh, Stuart...

On Aug 16, 2008, at 2:53 PM, Ludovic SMADJA wrote:

> About the unused slots, it doesn't seems to be the problem.
>
> When I add the 2 unused slots to my schematics and link theirs  
> input pins to ground and output pin to NC symbol, drc2 removes the  
> warning but the spice-sdb give me more "Invalid wanted_pin passed  
> to get-nets [unknown]"
>
> I've already use slots in another circuit without any problem.
>
> Ludovic
>
> On Sat, Aug 16, 2008 at 4:51 PM, Peter Clifton <pcjc2@xxxxxxxxx>  
> wrote:
> On Sat, 2008-08-16 at 09:26 -0400, John Doty wrote:
> > On Aug 16, 2008, at 2:55 AM, Ludovic SMADJA wrote:
> >
> > > WARNING: Unused slot 3 of uref U2
> > > WARNING: Unused slot 4 of uref U2
> >
> > I believe that unused slots are poison to the way spice-sdb works.
> > For a slotted component, it expects that the model will implement  
> all
> > slots. Since pins are positional in SPICE netlists, it needs to list
> > every pin on the component.
>
> Perhaps for the spice backend, but IIRC, spice-sdb renames each  
> slot, so
> U2 becomes.
>
> U2.1
> U2.2
> U2.3
> U2.4
>
> e.g. 4 components instantiated. I might be wrong in the fine-print  
> though.
>
> --
> Peter Clifton
>
> Electrical Engineering Division,
> Engineering Department,
> University of Cambridge,
> 9, JJ Thomson Avenue,
> Cambridge
> CB3 0FA
>
> Tel: +44 (0)7729 980173 - (No signal in the lab!)
>
>
>
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>
>
> -- 
> Ludovic SMADJA
>
>
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John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




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