delorie.com/archives/browse.cgi   search  
Mail Archives: geda-user/2016/03/01/15:47:19

X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-TCPREMOTEIP: 207.224.51.38
X-Authenticated-UID: jpd AT noqsi DOT com
Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\))
Subject: Re: [geda-user] Gnucap and Google summer of code
X-Pgp-Agent: GPGMail 2.5.2
From: John Doty <jpd AT noqsi DOT com>
In-Reply-To: <20160301152419.49903618@floyd.freeelectron.net>
Date: Tue, 1 Mar 2016 13:46:51 -0700
Message-Id: <2B0EE890-4124-459D-B060-93F583722E79@noqsi.com>
References: <20160229155407 DOT 5f14a970 AT floyd DOT freeelectron DOT net> <FB047616-EDA8-4208-8F84-C9576E8D2569 AT noqsi DOT com> <20160229211820 DOT 623549f9 AT floyd DOT freeelectron DOT net> <alpine DOT DEB DOT 2 DOT 11 DOT 1603011200390 DOT 1874 AT nimbus> <20160301095333 DOT 1cee2433 AT floyd DOT freeelectron DOT net> <B28EE0BF-7878-4582-9581-5B3B9FB18372 AT noqsi DOT com> <20160301152419 DOT 49903618 AT floyd DOT freeelectron DOT net>
To: geda-user AT delorie DOT com
X-Mailer: Apple Mail (2.1878.6)
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

--Apple-Mail=_6FBF1FF0-A9E8-44DE-B8F7-103C9726E471
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=us-ascii


On Mar 1, 2016, at 1:24 PM, al davis <ad252 AT freeelectron DOT net> wrote:

>=20
>>> Import, back-annotation.
>>=20
>> They are exporters. These things are not their province.
>=20
> That's the reason for this new project.
>=20
>>> Support for all symbols.
>>=20
>> What do you mean by that?
>=20
> All of the gnetlist spice netlisters contain a list of symbols that =
are
> explicitly translated, one at a time.  This is a fundamental shortfall
> of the design.  You have many times pointed out flaws in PCB where the
> design prevented what you consider to be sufficient generality.  Now
> here the design is much more limited.

Actually, gnet-spice-noqsi is fully extensible. It has a short builtin =
list of common devices it thinks it understands (basically the list from =
gnet-spice-sdb), but the user can, with a spice-prototype attribute, =
tell it what to do for any symbol.

>=20
>>> Looking beyond that, all that plus:
>>>=20
>>> Verilog, VHDL completeness.
>>>=20
>>> To/from other schematic formats (Kicad, Qucs).
>>=20
>=20
>> Difficult. For flat netlists, there is a common understanding of what
>> the underlying abstraction is. The problem is mostly encoding (with a
>> few oddities like instance parameters in SPICE). For schematics,
>> there is no such general understanding.
>=20
> Yes it is difficult.  The Gnucap project has a plan for this, with a
> different underlying abstraction.
> This underlying abstraction is well defined and much of the code for
> the general case is already written.  We are looking for help to write
> translation plugins for some specific targets, in and out of the
> system, and inviting students to apply under Google Summer of Code.
>=20

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



--Apple-Mail=_6FBF1FF0-A9E8-44DE-B8F7-103C9726E471
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename=signature.asc
Content-Type: application/pgp-signature;
	name=signature.asc
Content-Description: Message signed with OpenPGP using GPGMail

-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - https://gpgtools.org
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=YUlD
-----END PGP SIGNATURE-----

--Apple-Mail=_6FBF1FF0-A9E8-44DE-B8F7-103C9726E471--

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019