kicad-developers team mailing list archive

[John Beard <john.j.beard@xxxxxxxxx>]

Hi Tom,

Can the hyperlink export test not exist in the existing qa_pcbnew
test? The code is all in pcbnew's library, so why not just mirror the
source layout and put your test as
"qa/pcbnew/exporters/test_export_hyperlynx.cpp"?

Otherwise we will eventually have dozens and dozens of tiny unit test
executables all in need of CMake files and linking.

OTOH, if the hyperlynx stuff was a separate library, then it would
make sense to have a separate test exec. At that point, we'd
presumably have shared libs anyway.

Cheers,

John

On Fri, Apr 5, 2019 at 1:16 AM Tomasz Wlostowski
<tomasz.wlostowski@xxxxxxx> wrote:
>
> Hi,
>
> We needed to do some signal/power integrity simulations on one of our
> Kicad designs and in order to do that, we needed to convert a Kicad PCB
> to Hyperlynx format. Luckily, the format is simple, all text and well
> documented in [1], so here comes a patch that adds a Hyperlynx exporter.
>
> Notes:
> - since Kicad doesn't have a concept of board stackup (permittivities,
> loss tangent, dielectric types, etc.), the exporter writes a dummy
> stackup. Edit it to match the PCB spec in Hyperlynx.
> - no support for offset pad holes, slotted pad holes,
> trapezoid/polygonal pads (it seems HL format doesn't support such
> features or I need to figure out how to emulate them).
> - no support for thermal pads (yet)
> - no error reporting.
>
> Looking forward to your feedback & wish you happy testing,
> Tom
>
> [1] http://www.ibis.org/birds/bird33.txt
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