kicad-developers team mailing list archive

[Jon Evans <jon@xxxxxxxxxxxxx>]

Hi Dmitry,

You probably want to start by looking at the netlist exporter:
./eeschema/netlist_exporters/netlist_exporter_pspice.cpp

I think much of what you are looking for is in that class.

Best,
Jon

On Tue, Apr 23, 2019 at 3:53 AM Dmitry Salychev <darkness.bsd@xxxxxxxxx>
wrote:

> Hi list.
>
> KiCad uses NGSpice as a simulation engine, and NGSpice has an extension
> called XSPICE which allows to create/program SPICE models in C.
>
> Could you briefly explain what should I start looking at in KiCad to
> generate a correct netlist for NGSpice to be able to use custom code
> models?
>
> I'm asking because there is a little effort of mine [1] to provide code
> models for 8-bit AVR RISC microcontrollers. There is a simulation of a
> simple ATmega8A-based circuit available [2] to give you an idea how it
> looks like. The circuit itself is drawn in KiCad, but I had to use NGSpice
> and mcusim.cm to manually create a netlist [3] to obtain a plot.
>
> Thanks for any help.
>
> Regards,
> Dmitry
>
> [1] https://github.com/mcusim/MCUSim
> [2]
> https://raw.githubusercontent.com/mcusim/MCUSim/master/examples/ATMEGA8A-pwm-to-sine/ngspice-simulation.png
> [3]
> https://github.com/mcusim/MCUSim/blob/master/examples/ATMEGA8A-pwm-to-sine/pwm-to-sine.cir
>
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