kicad-developers team mailing list archive

[Jon Evans <jon@xxxxxxxxxxxxx>]

Hi Alexander,

For (1) I know Oleg Endo has been doing some work on the Net Inspector to
allow grouping nets for combined length measurement:
https://gitlab.com/kicad/code/kicad/-/merge_requests/187

For (3) the intent was to do this via the new DRC rule system.
The PNS router needs to be updated to take the new DRC rules into
consideration before this will work.

For (2) and (4) I don't think anything is in progress.
Updating diff pairs could be a feature added to the global track/via
editing dialog, perhaps.

-Jon

On Tue, Sep 22, 2020 at 9:32 AM Alexander Shuklin <jasuramme@xxxxxxxxx>
wrote:

> Dear all,
> I want to start my first KiCad high speed design and for that purpose I
> plan to make some pcbnew python scripts. I just want to ask if some of that
> tools are expected in the nightly builds (may be I will wait for it or even
> give a hand or contribute)
> 1) tool to visualize nets lengths (similar to
> https://github.com/MitjaNemec/Kicad_action_plugins#length-stats ). I want
> to make a gui where you can define what nets you want to see altogether.
> And it should show you length on each layer and summary. And vias as well.
> 2) Same stuff for length between 2 objects (for example via and pad for
> T-topology) similar to
> https://github.com/MitjaNemec/Kicad_action_plugins#pad2pad-track-distance.
> 3) some tool to define and automatically change tracks length on different
> layers (to match target impedance)
> 4) Tool to work with differential pairs. At least change its width and
> clearance. I think that now differential pairs are just tracks, is there
> some option to change these parameters after they are created easily? For
> example, you change stackup, or you change manufacturer and have to use
> different PCB materials, and after that you have to adjust differential
> pairs.
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