kicad-developers team mailing list archive

[Andrew Zonenberg <azonenberg@xxxxxxxxxxxxxxx>]

UPDATE: Reading dialog_gendrill.cpp it seems that code which was
intended to do this is present, but completely broken. I've partially
fixed it (it now generates a drill file for each layer pair that has
vias on it, but blind/buried vias also are plotted in the PTH drill
file) and will be posting a patch once I've debugged a bit further.

On Sat, 2014-07-19 at 20:40 -0400, Andrew Zonenberg wrote:
> I'm about to start work on a board that will have an 0.4mm BGA on it and
> it seems that while current kicad supports editing blind/buried vias
> there's no support for generation of sane drill files (one file per
> layer pair).
> 
> I'm not really that familiar with the source structure of pcbnew, does
> anyone have any idea where I should start looking? I want to modify the
> "export drill file" code to create multiple drill files from the base
> filename as follows:
> 
> foo.drl (through-board plated holes)
> foo-npth.drl (through-board unplated holes)
> foo-1-2.drl (blind vias from front to inner1)
> foo-2-3.drl (buried vias from inner1 to inner2)
> etc.
> 
> It'd probably be fairly simple to add a filter to the export code to say
> "only put vias between these layers in this drill file" and then call
> that function for each pair of layers.
> 
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-- 
Andrew Zonenberg
PhD student, security group
Computer Science Department
Rensselaer Polytechnic Institute
http://colossus.cs.rpi.edu/~azonenberg/

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