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Subject: Re: [geda-user] Hierarchical design, pin number not needed
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From: John Doty <jpd AT noqsi DOT com>
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Date: Mon, 25 Jan 2016 15:01:15 -0700
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On Jan 25, 2016, at 2:38 PM, Nicklas Karlsson =
(nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:

>> On Jan 25, 2016, at 11:31 AM, Nicklas Karlsson =
(nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:
>>=20
>>> Then using hierarchical design netlist complain if there are no pin =
numbers in symbol although in pcb it seems everything work OK without =
the pin numbers.
>>=20
>> It doesn=92t work OK if you=92re not flattening hierarchy.
>=20
> The number is in the symbol but not in the schematic underneath. How =
is the number used? Or what purpose does it fulfill?

There=92s no way get get pin attributes or connections without the pin =
number in the back end. The hierarchy traversal in the core can =93cheat=94=
 because it completely removes the pin from the netlist structures. A =
hierarchical back end needs the pin, though, and therefore needs the pin =
number.

>=20
>=20
> Nicklas Karlsson
>=20

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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