kicad-developers team mailing list archive

[Simon Wells <swel024@xxxxxxxxx>]

When there is a FindNgspice.cmake file it would also allow removal of
#include <../share/ngspice/include/ngspice/sharedspice.h> as it is a
horrible include and should really be added to the -I path

On Fri, Aug 12, 2016 at 3:37 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx> wrote:
> Congratulations on everyone who made the is happen.  This is a nice
> feature for KiCad and hopefully users will find it useful.
>
> There are a few things will need to addressed that I missed when I
> initially evaluated the code.
>
> Maybe I missed it but I do not see any indication that the ngspice
> headers and libraries are detected during cmake configuration (see
> attachment).  This is a major no-no.  All external dependencies must be
> found during configuration.  As a developer, there are few things that
> make kick a software package to the curb faster than getting 3/4 of way
> through a 30+ minute build only have the build fail because there is a
> missing dependency header or library.  This should fail during
> configuration to inform the developer that there are missing
> dependencies.  Please write a FindNgSpice.cmake file.  I know I've said
> this in the past but I will reiterate it, if you add a new dependency to
> KiCad you *must* add the configuration code to ensure that all of the
> required headers and/or libraries can be found before a valid
> configuration can be completed.
>
> Also, please update the Documentation/development/compiling.md file with
> the added optional ng-spice dependency.  This is the official compiling
> document that gets pushed to the kicad website so it needs to be kept up
> to date.
>
> Thanks again everyone for your hard work.
>
> Cheers,
>
> Wayne
>
>
> On 8/11/2016 9:07 AM, Maciej Sumiński wrote:
>> I have just merged the ngspice branch. It is still required to enable
>> KICAD_SPICE switch in cmake in order to use it, so it does not cause
>> problems on systems without ngspice library installed.
>>
>> Regards,
>> Orson
>>
>> On 08/05/2016 09:40 PM, Maciej Sumiński wrote:
>>> 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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>>>
>>>
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>>
>>
>>
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