Re: gEDA-user: pcb: All v. Any pin connectivity (was: Taking advantage of internally connected pins)

[Dave N6NZ <n6nz@xxxxxxxx>]

On Feb 3, 2010, at 9:59 AM, Peter Clifton wrote:
> 
> The danger comes if you don't populate the switch. This then causes
> break in the board connectivity.

True enough.  But population options are an orthogonal conceptual axis. Not populating the microcontroller causes a loss of functionality, too. Population options are always specified elsewhere.

> I personally think such cases ought to
> be handled by making the connections explicit on the schematic - perhaps
> showing a two-pin through-connection on the switch symbol.

That is a matter of methodology.  I prefer showing a generic two-terminal SPST switch on the schematic, and mapping it to the footprint for the chosen device.  Your suggestion intermingles function and implementation in a way that I don't like.

-dave




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