Re: gEDA-user: Parts DB API

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Wed, 2007-12-19 at 07:48 -0500, DJ Delorie wrote:
> I think the only things that need to be added to the symbols
> themselves are things that need to appear in the schematics - like pin
> numbers.  We need a way to assign pin numbers to labelled pins so that
> you can see in the schematic which pins are which.  Especially if we
> get back annotation working.

Flip this on its head..

Pin numbers on the schematic _ARE_ back-annotation from the part of the
work-flow which maps light->heavy.

I propose to make the "magic" which handles slot and pin-number from
just another case of back-annotation, in this case, executed by the
net-lister / "parts" module which is responsible for mapping light
symbols, transistors with "BCE" (for example) into "pin 1,2,3". Slots
would be similar.

Assuming this module can run concurrently with schematic generation, the
user experience may be identical.

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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