Re: gEDA-user: gsch2pcb to pcb error

[John Doty <jpd@xxxxxxxxx>]

On Jun 2, 2010, at 1:04 PM, Kai-Martin Knaak wrote:

> On Sun, 30 May 2010 15:02:50 -0700, Mike Bushroe wrote:
> 
>> It turns out that for some
>> connectors, I put a space between 'CONN' and the number.
> 
> Oh my! Yet another hidden restriction on names in geda that causes grief 
> further down the road. Can we formulate a positive set of syntax rules a 
> refdes, a footprint, or a value must conform to? There should be a sanity 
> check included in gsch2pcb. 
> 
> 
>> This space then
>> caused gnetlist to consider a whole bunch of small connectors as one big
>> connector with lots of high numbered pins, PCB could no connect with rat
>> lines because it had nothing matching. Perhaps the tutorial might be
>> modified to remind people to never allow a space in the refdes
>> attribute.
> 
> Sure. Can some of the developers confirm, that space in refdes is a 
> problem? Syntax restrictions should be documented in other places too. 

Basically, the gnetlist back end is responsible for forcing the net and refdes names to conform to whatever the tools downstream need. That's what the alias functions in gnetlist-post.scm are for. Now, there are undoubtedly unknown holes here...

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




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