I had spoken with ngspice devs and they have suggested me a workaround
for the bug. Unfortunately, it requires a patch that is currently not
included in the release version, so we resort to building from the
source again.
To ease the pain, I have updated get_libngspice_so.sh [1]. Now it
should
build the correct library version for Linux, Windows (mingw64) & OS
X. I
have managed to run the script successfully on all the mentioned
platforms, but I still do not have KiCad compiled on OS X, so I was
not
able to test it there.
I have updated the ngspice branch in my github repository [2]:
- applied fixes for Win7 & OS X (thank you Jean-Pierre & Johannes)
- resized dialogs, so all the fields are visible and windows fit
1024x768
- fixed a few minor bugs
- corrected demo circuits
- cleared, formatted & documented the code
& added some documentation
I consider the code ready for merge. If there are no objections, I
would
like to proceed next week.
Regards,
Orson
1. https://orson.net.pl/pub/libngspice/get_libngspice_so.sh
2. https://github.com/orsonmmz/kicad-source-mirror/tree/ngspice
On 07/21/2016 11:16 PM, Chris Pavlina wrote:
Really, really nice! I made it do a thing!
https://misc.c4757p.com/kicad_sim.png
I feel bad to provide a bug report on my very first communcation on
this, but... found one: not sure if this sort of thing is actually
standard SPICE or an LTspice extension, but I tried parameterizing a
component value, setting a resistor's value to {R} - that sort of
thing
leads to irrecoverable lockups here.
On Thu, Jul 21, 2016 at 09:37:57PM +0200, Tomasz Wlostowski wrote:
Hi,
As some of you have noticed, we've been working on a "secret"
feature
during the hackathon at CERN. The feature we're talking about is an
integrated circuit simulator. Currently it features:
- Seamless integration into schematic editor,
- AC/Transient/DC sweep simulations,
- Voltage probing from the schematics,
- Live tuning of component values.
A video demonstrating the capabilities of the new simulator is
available
on Tom's YouTube channel [1].
The code is currently available in the ngspice branch on Tom's
GitHub
[2] for review & testing. It's a big feature, so we didn't want to
push
it immediately to the product branch. We'll greatly appreciate your
feedback!
The simulator uses ngspice [3] as the Spice kernel. We'd like to
thank
ngspice developers for providing a DLL interface which made
seamless
integration of ngspice into Kicad possible.
In order to get started:
- install ngspice shared library (is not provided by many Linux
distros,
Arch Linux is a known exception, so you might have to compile it
from
the sources with --with-ngshared --enable-xspice options). Windows
DLLs, msys2 PKGBUILD & binary packages (to be included soon in
the official msys2 repo, currently merged to
https://github.com/Alexpux/MINGW-packages/) & Linux script to
build the
library are available at [4].
- compile eeschema with -DKICAD_SPICE=ON option,
- have a look at some examples in demos/simulation directory.
Happy simulating,
Tom
[1] https://youtu.be/A2_-hdRcf4U
[2] https://github.com/twlostow/kicad-dev/tree/ngspice
[3] http://ngspice.sourceforge.net/
[4] https://orson.net.pl/pub/libngspice
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