Mail Archives: geda-user/2013/08/30/13:59:08
On 08/30/2013 10:33 AM, Ed Simmons wrote:
> Hi Dave,
>
> Just a quick suggestion...
>
> On 30/08/13 18:06, Dave Curtis wrote:
>> It's been a while since I've done pcb's, but getting back into it.
>> I'm trying to help my daughter make a PCB for a science fair project,
>> and I'm hitting some dumb problems with gsch2pcb that I know I once
>> new how to solve....
>>
>> We're using whatever versions of gEDA are in the Ubuntu 12.04 repo.
>>
>> Problem #1: A footprint for every slot shows up in board.pcb
>>
>> The problem is with slotting. The netlist looks sensible enough, but
>> lots of stuff like:
>>
>> unnamed_net26 U9a-4 J18-2
>>
>> and the .pcb file has footprint instances for both the 'a' and 'b'
>> slots of U9. So, it's acting like gsch2pcb is ignoring slotting.
>> Slot attributes seem to be set correctly. I thought gsch2pcb ignored
>> trailing lower case letters in refdes, which triggered correct
>> netlist handing? Also, I thought pcb was OK with having trailing
>> lower case letters on refdes in the netlist, and ignored them... is
>> my memory correct?
>>
>> So when we went through with gattrib, I had my daughter assign the
>> same footprint attr to every symbol... my memory is a little fuzzy on
>> if that is correct... should only one symbol per package have a
>> footprint attr?
>>
>> Problem #2: Where are the rats?
>>
>> In pcb, after 'optimize rats' only ground and one other net show up.
>> What's up with that?
>>
>> TIA
>> -dave
>>
> Try using PCB's feature for importing schematics instead of using
> Gsch2pcb... you'd just start a new layout with pcb and then select
> 'Import Schematics' from File menu. Much of the craziness of gsch2pcb
> is sidestepped here.
OK, I'll have to try that, too. I've been away from gEDA for a while so
I'm not current with leading-edge goodies.
>
> If you have multiple schematic pages, select them all when importing,
> the PCB file will then remember these files as the source for the info
> about this design. Save your new PCB layout and untangle your
> hopefully visible rats nest!
>
> HTH,
> Ed
>
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