When I run gnetlist -gPCB test.sch -o test.net I get unnamed_net3 R34-2 4-1 unnamed_net2 1-1 2-1 unnamed_net1 R34-1 3-1
On Thu, 2006-07-20 at 17:28 +0200, Arvid Rosén wrote: > Stuart Brorson wrote: > > I guess I don't see how shorting around a circuit involves connecting > > two nets which don't connect to anything else. Can you post a > > simplified version of what you are trying to do? We can look at it > > during the code sprint. > > > Ok, I attached two sch-files which I think illustrates the problem quite > well. > I tried this with the gnet-geda backend, and it fails discover that > Rtop1 and Rtop2 should be connected. > > Meanwhile, why not stick a zero ohm resistor into the shorting net, > > similar to what John suggests? That way gnetlist has a component > > which will preserve the net. > > > > Stuart > > > Yeah, sure. This is no problem as long as you are aware of it. But I > just spent one day looking for errors in my netlister-backend. > I still think this is a strange behavior. > > /Arvid > > > > > > > > > >> Stuart Brorson wrote: > >> > >>> Just out of curiosity, why would you want to have two nets which > >>> connect to nothing other than each other? > >>> > >>> Before we label it a bug, what is the goal of this construct? =20 > >>> > >>> Stuart > >>> =20 > >>> > >> Hi Stuart! > >> That's a good question. The construct itself is quite pointless.=20 > >> However, I was working on a quite complex design with two=20 > >> filter-subcircuits. I wanted to test some aspects of my circuit, so I=20 > >> shorted the first filter just to bypass it, which resulted in an open=20 > >> circuit instead of a bypass! That is quite annoying, don't you think? > >> The possibility to bypassing stuff is always important when debugging. > >> > >> Cheers > >> Arvid > >> > >>> =20 > >>> > >>>> John Luciani wrote: > >>>> =20 > >>>> > >>>>> On 7/20/06, Arvid Ros=3DE9n <[EMAIL PROTECTED]> wrote: > >>>>> =20 > >>>>> > >>>>>> However, I also tried to make a 2-pin subnet containing only a > >>>>>> short-circuit. This connection was completely ignored by gnetlist!! > >>>>>> > >>>>>> Could someone confirm this? > >>>>>> =20 > >>>>>> > >>>>> You are correct. If you have two nets that only connect to each other > >>>>> the connection does not show up in the netlist. > >>>>> > >>>>> I get around this by connecting one of the nets to a component. > >>>>> > >>>>> (* jcl *) > >>>>> > >>>>> =20 > >>>>> > >>>> Ok, thanks! > >>>> Shouldn't that be considered as a pretty severe bug? I am new here,=3D= > >>>> > >> 20 > >> > >>>> maybe it's already reported. > >>>> > >>>> /Arvid > >>>> > >>>> --=3D20 > >>>> Arvid Ros=3DE9n > >>>> Softube AB > >>>> Teknikringen 7 > >>>> S-583 30 Link=3DF6ping > >>>> Sweden > >>>> Phone: (+46) 13 21 16 23 > >>>> Mobile: (+46) 73 25 12 34 7 > >>>> Mail: [EMAIL PROTECTED] > >>>> URL: www.softube.se > >>>> > >>>> > >>>> > >>>> _______________________________________________ > >>>> geda-user mailing list > >>>> [email protected] > >>>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >>>> > >>>> =20 > >>>> > >>> > >>> _______________________________________________ > >>> geda-user mailing list > >>> [email protected] > >>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >>> =20 > >>> > >> --=20 > >> Arvid Ros=E9n > >> Softube AB > >> Teknikringen 7 > >> S-583 30 Link=F6ping > >> Sweden > >> Phone: (+46) 13 21 16 23 > >> Mobile: (+46) 73 25 12 34 7 > >> Mail: [EMAIL PROTECTED] > >> URL: www.softube.se > >> > >> > >> > >> _______________________________________________ > >> geda-user mailing list > >> [email protected] > >> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >> > >> > > > > > > > > _______________________________________________ > > geda-user mailing list > > [email protected] > > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > > > > plain text document attachment (test.sch) > v 20060123 1 > C 1000 4500 1 0 0 in-1.sym > { > T 1000 4800 5 10 1 1 0 0 1 > refdes=3 > } > C 4600 6100 1 180 0 in-1.sym > { > T 4600 5800 5 10 1 1 180 0 1 > refdes=2 > } > C 1000 5900 1 0 0 in-1.sym > { > T 1000 6200 5 10 1 1 0 0 1 > refdes=1 > } > N 1600 6000 4000 6000 4 > C 4600 4700 1 180 0 in-1.sym > { > T 4600 4400 5 10 1 1 180 0 1 > refdes=4 > } > C 2300 4500 1 0 0 resistor-1.sym > { > T 2500 5000 5 10 1 1 0 0 1 > refdes=R34 > T 2500 4800 5 10 1 1 0 0 1 > value=10k > } > N 2300 4600 1600 4600 4 > N 3200 4600 4000 4600 4 > plain text document attachment (top.sch) > v 20060123 1 > N 5000 9500 4300 9500 4 > C 5000 9200 1 0 0 test.sym > { > T 5400 10300 5 10 1 1 0 0 1 > refdes=Utest > T 5400 9200 5 10 1 1 0 0 1 > device=test > T 5000 9200 5 10 1 0 0 0 1 > source=test.sch > } > C 1700 8200 1 0 0 vac-1.sym > { > T 2400 8850 5 10 1 1 0 0 1 > refdes=Vin > T 2400 8650 5 10 1 1 0 0 1 > value=dc 0 ac 1 > } > C 3400 9900 1 0 0 resistor-1.sym > { > T 3600 10400 5 10 1 1 0 0 1 > refdes=Rtop1 > T 3600 10200 5 10 1 1 0 0 1 > value=10k > } > C 1900 7300 1 0 0 gnd-1.sym > N 2000 8200 2000 7600 4 > N 2000 9400 2000 10000 4 > N 6800 9500 7600 9500 4 > N 7600 10000 6800 10000 4 > N 2000 8000 9000 8000 4 > N 9000 9100 9000 10000 4 > N 3400 10000 2000 10000 4 > N 4300 10000 5000 10000 4 > C 4300 9600 1 180 0 resistor-1.sym > { > T 4100 9100 5 10 1 1 180 0 1 > refdes=Rtop3 > T 4100 9300 5 10 1 1 180 0 1 > value=10k > } > N 3400 9500 3000 9500 4 > N 3000 9500 3000 10000 4 > C 7600 9900 1 0 0 resistor-1.sym > { > T 7800 10400 5 10 1 1 0 0 1 > refdes=Rtop2 > T 7800 10200 5 10 1 1 0 0 1 > value=10k > } > C 8500 9600 1 180 0 resistor-1.sym > { > T 8300 9100 5 10 1 1 180 0 1 > refdes=Rtop4 > T 8300 9300 5 10 1 1 180 0 1 > value=10k > } > N 9000 10000 8500 10000 4 > N 8500 9500 9000 9500 4 > C 8900 9100 1 270 0 resistor-1.sym > { > T 9400 8900 5 10 1 1 270 0 1 > refdes=Rload > T 9200 8900 5 10 1 1 270 0 1 > value=10k > } > N 9000 8200 9000 8000 4 > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
