Re: gEDA-user: Symbols: mixed slotted elements and dedicated pins?

["John Luciani" <jluciani@xxxxxxxxx>]

On Jan 30, 2008 3:21 AM, Peter Clifton <pcjc2@xxxxxxxxx> wrote:
>
> On Tue, 2008-01-29 at 22:30 -0800, Dave N6NZ wrote:
> >
> > Thomas Reinemann wrote:
> > > Am Dienstag, 29. Januar 2008 17:23:18 schrieb Dave N6NZ:
> > >> My approach for something with slots, common control, and power would be
> > >> to make 3 symbols.  One for signal flow (slotted), one for control, one
> > >> for power/ground.
> > >
> > > Symbols belonging to the same device get same refdes, how do you handle the
> > > footprint?
> >
> > Ummm... I think I just assign the footprint to one symbol, and the
> > netlister is smart.  I think I've also copy/pasted the same footprint
> > everywhere using gattrib.  Anyway... I don't think about it much because
> > it seems to work :)
>
> As I recall, the netlister will find one of the elements and deem it to
> be that object. The netlist backend queries attributes by refdes name,
> and those names are used to lookup in a hashtable mapping name ->
> OBJECT. This leads me to strongly suspect that you should copy all
> attributes which the netlister might care about into all slots.

I believe you are correct. I seem to recall having a schematic where
my power symbol did not have a footprint attribute set and I ended
up with a missing footprint despite the fact that the main symbol
specified a footprint.

(* jcl *)

-- 
http://www.luciani.org


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