kicad-developers team mailing list archive

[xarx@xxxxxx]

Hello,

I've got no opinions, so I implemented the patch(es). Please look at it.
I've tested it with LTSpiceIV and NgSpice, and they both now work without a
problem with the standard KiCad components. No special components for
simulation purposes are needed.

Best regards,
      Martin.


----- Původní zpráva -----
Odesílatel: xarx@xxxxxx
Příjemce: kicad-developers@xxxxxxxxxxxxxxxxxxx
Datum: Tue, 03 Nov 2015 16:44:46 +0100
Předmět: [Kicad-developers] Bug #1511552 - Fixes to Incorrect export of Spice
net-list from EESchema


>  Hello,
> 
> I reported the bug #1511552 and suggested to provide a patch. I'd like to
hear
> your suggestions and objections to what I was to going to do.
> 
> In short (details in the bug report):
> 
> In EESchema, it is hard to create a schema that can be used simultaneously
for
> Spice simulations and Pcb creations. For instance, because the pin order of
> the components for Pcb and for Spice needs to be different. The following
two
> patches have resolved some of the problems: #706558, #743027. But there are
> still other problems that persist:
> 
> 1. Prefixes of component references in schemas follow different conventions
> (e.g. https://en.wikipedia.org/wiki/Reference_designator) than those
required
> by Spice.
> 
> 2. Component values (like 3k3 or 2M7) commonly used in schemas don't work in
> Spice.
> 
> 3. The default KiCad component libraries are not prepared for Spice
> simulations. Which is a problem for a KiCad newbie who a) does not have his
> own modified libraries b) isn't even aware of the need of such library
> modifications and wonders why the simulation doesn't work (like me some days
> ago).
> 
> So I'm proposing to create another patch in the line of the two already
> accepted patches, as described in the bug report. I'm aware that the current
> Spice netlist exporter is poorly designed and that the two already accepted
> patches are kind of hack. And my patch will be no different. But I don't
have
> time and energy to implement a full-featured Spice support.
> 
> Please, read my intended patch design in
> https://bugs.launchpad.net/kicad/+bug/1511552/comments/2, and provide
comments
> and suggestions. So that I don't spend my time on an improvement of a
feature
> that will be rejected then. It's possible to implement only some of the
> suggested points, and leave the rest for a post-processing.
> 
> Thank you,
>          Martin.
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--  
 
______________________________________________________________________
Vystup z řady a zřiď si taky originální email! @bigboss.cz, @dablik.cz, @potvurka.cz, @tajny.cz... zdarma na http://email.sms.cz
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