Re: gEDA-user: attributes net and refdes, subdesigns, power and ground?

2008-02-04 Thread Peter Clifton

On Sat, 2008-02-02 at 16:52 -0900, Britton Kerin wrote:
 I have a design with two subcircuits.  I pretty much copied the gTAG
 example but I missed the trick of making a netname=foo wire in the
 toplevel and then putting an input or output with refdes=foo in the
 subdesigns, so my +3.3V isn't continuous through my board as intended.
 
 The odd thing is that my ground isn't continuous either, and it didn't
 look as if the gTAG is doing anything special about this?

I don't think the gTAG was ever made, so it is possible that there are
bugs in it.

If you attach an attribute netname=3v3 or some such, to all your 3.3V
lines on every page, it should all connect up.

I don't think it is the netname=foo = refdes=foo which links up the
hierarchy... , look at the pinlabel attribute of the symbol
instantiated in the hierarchy.

I've not got the details immediately to hand though, so could be wrong.

-- 
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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gEDA-user: attributes net and refdes, subdesigns, power and ground?

2008-02-02 Thread Britton Kerin

I have a design with two subcircuits.  I pretty much copied the gTAG
example but I missed the trick of making a netname=foo wire in the
toplevel and then putting an input or output with refdes=foo in the
subdesigns, so my +3.3V isn't continuous through my board as intended.

The odd thing is that my ground isn't continuous either, and it didn't
look as if the gTAG is doing anything special about this?

Britton




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