Re: gEDA-user: nets in symbols

[Seb James <seb@xxxxxxxxxxxx>]

On Fri, 2007-03-02 at 10:24 -0700, Marc Moreau wrote:
> On Fri, 02 Mar 2007 15:48:31 +0000
> Seb James <seb@xxxxxxxxxxxx> wrote:
> > However, there are 6 pins which are "extra" - that is, they're not
> > repeated four times.
> >
> > Is my only option to add these 6 pins to an extra power symbol, in the
> > way that you have a power symbol for the chip in your example? Or can I
> > specify that these 6 pins should only appear in slot 1?
> 
> I don't think that is possible.  I think each slot needs to be identical, 
> but don't quote me on it. I would make a seperate power symbol.
> 
> On my dual/quad/more Logic symbols, I have a seperate symbol for the power 
> connections, so I don't have vcc/gnd lines on every symbol.  In your case 
> this may not be the best solution.

Ok, I made a slotted symbol for the IO and a symbol for the power
(attached).

The only problem I am getting is that a gsymcheck gives me an error
about duplicate descriptors; for example:

ERROR: Duplicated reference U3501.

This is for a schematic which has two of the slotted IO symbols and one
PWR symbol. I have given them all the refdes U3501, as is necessary for
them to generate only a single footprint on the circuit.

I notice that in your ATMega example, you only place the footprint on
the power symbol. I'll just go a test that - I'll take the footprint out
of the IO symbol, leaving it only in the power symbol... No, that didn't
do anything about the Duplicated reference error.

Is there some way to tell gsymcheck that these symbols are related?

regards,

Seb

v 20061020 1
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T 1550 7400 8 10 0 0 0 0 1
devicename=7I33
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footprint=7I33_Socket
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device=MESA7I33
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slotdef=1:15,16,19,20,23,24,52,53,55,56,58,59,54,60,57,61,63,62,7,8,5,6,11,12
T 1550 9170 8 10 0 0 0 0 1
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{
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{
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{
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T 3200 300 9 10 1 0 0 0 1
Slotted I/O Pins

v 20061020 1
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T 1550 3600 8 10 0 0 0 0 1
devicename=7I33
T 1550 3900 8 10 0 0 0 0 1
footprint=7I33_Socket
T 1550 4170 8 10 0 0 0 0 1
documentation=http://www.mesanet.com/pdf/motion/7i33man.pdf
T 1550 4800 8 10 0 0 0 0 1
description=Mesa Electronics 7I33 Servo Daughter Board. Additional Power Pins
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device=MESA7I33
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refdes=U?
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7I33
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{
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{
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T 4600 2000 5 10 1 1 0 6 1
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P 5000 1600 4700 1600 1 0 0
{
T 4600 1800 5 10 0 0 0 6 1
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{
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machine
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Additional Power Pins


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