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Date: | Tue, 8 Nov 2011 19:00:40 +0100 |
From: | Cyril Hrubis <metan DOT lists AT gmail DOT com> |
To: | geda-user AT delorie DOT com |
Subject: | Re: [geda-user] duplicate refdes values |
Message-ID: | <20111108180039.GA6472@yumi> |
References: | <20111108100616 DOT GA32119 AT yumi> |
<89AF1CB2-6703-4ABC-A43D-7EA37559426F AT noqsi DOT com> | |
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Hi! > > I've got bitten by this once more and decided for fix. The problem is > > that I've, by a mistake, forgot to change refdes on one of my resistors > > and spend another ten minutes by figuring out what went wrong. > > > > What I want to fix is that both gsch2pcb and pcb are silent about this > > and the pcb just picks up only one of them. > > > > As far as I understand the gsch2pcb source it acts as a stream editor > > and has no memory of previous parts I was thinking of adding hash table > > of previous refdes values and make it print warning on duplicate > > entires. I could prepare patch for this. > > > > The pcb is more compliacted though both by the source code and by a gui > > perspective. > > 1. This has nothing to do with pcb: this is gnetlist's normal behavior. Well both of the tools keep silent about this which is in my opinion wrong. > 2. This is not a bug, it is a feature. Duplicate refdes values are the > way you express the fact that you are treating a single single > physical device as broken into several sections. I'm saying this is a bug, I'm saying that this is worth a warning. What about warning about duplicated refdes for syms that has no slotting defined? > 3. The drc2 back end to gnetlist already complains about duplicated > refdes values for non-slotted components. Checking a design for errors > is what drc2 is for, and if you're not using multiple heterogeneous > symbols for parts, drc2 will do what you want here. The problem is > that this isn't necessarily an error: this is one of the many cases > where drc2's model of design is narrower than the capabilities of the > toolkit. In this case, it is hard to fix drc2, as the indications of > true error (inconsistent pin connections) are hidden behind the > unnecessarily opaque gnetlist back-end API. Sorry, I don't understand this one. Is drc2 any kind of tool? -- Cyril Hrubis
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