Re: gEDA-user: Parts DB API

[Steve Meier <smeier@xxxxxxxxxxxxxxxxxxx>]

When all is said and done, however we get there don't schematics have to
be able to display at least for a hard copy.

The real pin number and the real value? I can't imagine debugging a
board without them.

Steve Meier



DJ Delorie wrote:
>> For the time being, however, I don't see any reason not to stick to
>> using some sort of external helper programs for actually accessing
>> the database, as long as we can get the UI and basic Scheme API
>> nailed down.
>>     
>
> I've argued in the past that gattrib should be responsible for
> attributes, not gschem.
>
> And, there's no reason why the attributes need to be in the schematic!
> We can store them in the BOM.  There's a pleasing symmetry to it:
>
> gschem uses *.sym files to make *.sch
> gattrib uses db files to make *.bom
> pcb uses *.fp files to make *.pcb
>
> The only interesting change is to gsch2pcb, which needs to read a
> *.bom file in addition to the schematics.
>
>   
>>> The symbol files should be as light as possible, and we should make them
>>> heavy by adding information coming from the database.
>>>       
>> Totally agree.
>>     
>
> I agree symbols should be as light as possible, but "adding to them"
> isn't a requirement - we can store them in the BOM.  If we store the
> attributes there then we also have a clue about which attributes came
> from which programs, and the bom can store more than just a name/value
> pair - it can store an "origin" value (how the value got chosen), for
> example.
>
> I think the only things that need to be added to the symbols
> themselves are things that need to appear in the schematics - like pin
> numbers.  We need a way to assign pin numbers to labelled pins so that
> you can see in the schematic which pins are which.  Especially if we
> get back annotation working.
>
>
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>   



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