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Mail Archives: geda-help/2016/02/23/12:56:54

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Date: Tue, 23 Feb 2016 18:56:32 +0100
From: "Smilie (smilie AT posteo DOT de) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
To: geda-help AT delorie DOT com
Subject: Re: [geda-help] little Question....
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Am Tue, 23 Feb 2016 08:03:14 -0700
schrieb John Doty <jpd AT noqsi DOT com>:

> On Feb 23, 2016, at 6:09 AM, Smilie (smilie AT posteo DOT de) [via
> geda-help AT delorie DOT com] <geda-help AT delorie DOT com> wrote:
> 
> > Ah, i see.
> > 
> > 
> > i have connected a line from GND.sym direct to one of the GND-Pins
> > and the other GND-Pin works also.  
> 
> What are you trying to do here?


I want do write a script for automatic generation a spreadsheet with
all pin-names for any connector. I try to generate it from the
netlist-stuff.
But it does not work if i have only one potential.
The test with netname also does not work. 



> 
> What these symbols do is to give a net a name. That’s all. Naming the
> net connected to a pin GND connects it to all other nets named GND.
> If you have more than one such symbol, and the names don’t match,
> gnetlist will choose the first one it sees.
> 
> Is your net connected to anything?
> 
> > 
> > It is a bug?
> > I broke my head....
> > 
> > Thanks for helping me.
> > 
> > 
> > 
> > 
> > Am Tue, 23 Feb 2016 10:20:16 +0000
> > schrieb "Peter Clifton (petercjclifton AT googlemail DOT com) [via
> > geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>:
> >   
> >> Sorry I'm not currently able to check this out, but I recall that
> >> gnetlist has (in the past, and possibly currently), not worked
> >> properly in the case where only IO symbols with net=....:1
> >> attributes (but no actual components).
> >> 
> >> My recollection is not that clear, but try adding a dummy component
> >> (perhaps a resistor), with one pin connected on your schematic
> >> where you join PGND and your IO sym.  Don't need to give it a
> >> footprint (but you will probably get complaints from pcb about the
> >> missing component).
> >> 
> >> If this makes the connection appear in pcb, let us know - and I'll
> >> see if anyone working on the gEDA side of things has any ideas for
> >> a fix, or better work around.
> >> 
> >> I have an idea that I've made some boards with netlists that
> >> featured Rdummy1 Rdummy2 etc.... and I think I was working around
> >> the same issue you describe.
> >> 
> >> Peter
> >> On 22 Feb 2016 21:03, "Smilie (smilie AT posteo DOT de) [via
> >> geda-help AT delorie DOT com]" <geda-help AT delorie DOT com> wrote:
> >>   
> >>> Hallo Guys,
> >>> 
> >>> i have a problem with my net or netname-attributes.
> >>> 
> >>> I have a connector with some io-1.sym's with attributes like this:
> >>> net="abcd:1".
> >>> Than i have a PGND.sym connected to the other io-1.sym's.
> >>> They have also the attribs net="abcd:1".
> >>> 
> >>> I wont tho have a connection between the connector and the pgnd
> >>> but there is no connection in pcb.
> >>> 
> >>> What is wrong?
> >>> 
> >>> Thanks for helping me.
> >>>   
> > 
> >   
> 
> John Doty              Noqsi Aerospace, Ltd.
> http://www.noqsi.com/
> jpd AT noqsi DOT com
> 
> 


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