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To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Parameter substitution --> hierachy
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Date:	Sun, 18 Jun 2017 18:49:15 +0300
From:	"Anton Dubniak (twister AT tfsoft DOT org DOT ua) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Organization:	TFSoft
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Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via 
geda-user AT delorie DOT com] wrote 2016-07-24 10:04:
>> >>> - Pins for subschematic symbols don't require a pinnumber= attribute,
>> >>> and non-slotted pins don't require a pinseq= attribute.
>> >>
>> >> Have they ever required those?
>> >
>> > If you turn off hierarchy expansion gnetlist needs pin numbers, since
>> > connectivity is identified by (refdes pinnumber).
>> 
>> Ok, sure, in that case they have netlist semantics attached.
>> 
>> And now I remember your problem with the substitution patch.  When
>> hierarchy is not expanded, there will be nowhere to apply the
>> substitutions.  Your spice netlister would need to transform the
>> substitutions into instance parameters.  Is that difficult?
>> 
>> --
>> Stephan
> 
> To transform the substitutions into instance parameters sounds like a
> good solution because otherwise user is required to number pins even
> though they have no particular meaning in a hierarchical symbol.

What was the agreement reached (if any) on the problem of parametrical 
subcircuits?

Any plans to implement this in mainline gEDA/gaf or Lepton EDA?

I will gratefully test the relevant code (like this patches 
https://bugs.launchpad.net/geda/+bug/911440) in my projects if there 
will be at least a hint about the direction towards which this feature 
will be developed.

-- 
Best regards,
Anton Dubniak (twister AT tfsoft DOT org DOT ua)

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