Re: gEDA-user: making gnetlist calm down

2006-12-09 Thread David Kuehling
Hi,

thanks for your answer.

 Ales Hvezda [EMAIL PROTECTED] writes:

 [snip]
 Found duplicate net name, renaming [+3.3V] to [BS1] WARNING: Trying
 to rename something twice: +3.3V and +3.3V are both a src and dest
 name This warning is okay if you have multiple levels of hierarchy!

   This warning shows up when you have named a net twice, usually
 once with netname= and then again by attaching a power symbol.  If
 this is okay to you, then you can ignore these messages.  Keep in mind
 that gnetlist will pick one of the net names and run with it.  If it
 isn't the one you wanted, then you need to change your schematic (to
 only name a net once).

That makes sense.  I guess, this naming change is coherent for all the
schematics prosessed in one run, and won't rip nets apart?  Than that's
really not a problem.

regards,

David
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gEDA-user: making gnetlist calm down

2006-12-08 Thread David Griffith

This is my first complex design and I have three annoying problems:

problem 1:
There are lots of floating pins in the design.  Is there some way to
explicitly tell gnetlist that a pin is intentionally left floating?


problem 2:
I get several errors like this:

ERROR: Pin(s) with pintype 'unknown': U47:10 U48:10 U49:10 U50:10 U45:10
[snip]
are connected to pin(s) with pintype 'unknown': U47:10 U48:10
U49:10 U50:10 U45:10
[snip]

These ICs referenced are ones included in the gEDA distribution.  I'm
using version 20060907 as installed from the ISO image.


problem3:
ERROR: Net unnamed_net58 is not driven.

How do I figure out where unnamed_net58 actually is?

-- 
David Griffith
[EMAIL PROTECTED]

A: Because it fouls the order in which people normally read text.
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Re: gEDA-user: making gnetlist calm down

2006-12-08 Thread Peter Baxendale
 problem 2:
 I get several errors like this:
 
 ERROR: Pin(s) with pintype 'unknown': U47:10 U48:10 U49:10 U50:10 U45:10
 [snip]
 are connected to pin(s) with pintype 'unknown': U47:10 U48:10
 U49:10 U50:10 U45:10
 [snip]

If you look in the gschem master attributes list it tells you what the
pintype is for. It can be (is?) used for design rule checking. Many
symbols haven't got these attributes defined, which causes the warning.
I ignore these.

 problem3:
 ERROR: Net unnamed_net58 is not driven.
 
 How do I figure out where unnamed_net58 actually is?
 

If gnetlist generates a netlist file you can maybe look for
unnamed_net58 in there and see what it's connected to (presumably just
one thing).




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Re: gEDA-user: making gnetlist calm down

2006-12-08 Thread Tomaz Solc
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Hash: SHA1

Hi David

 problem 1:
 There are lots of floating pins in the design.  Is there some way to
 explicitly tell gnetlist that a pin is intentionally left floating?

There is a nc (not connected) symbol in the library. If you connect
a floating pin to it gnetlist won't display the warning.

I personally don't like to use it because I think it clutters up the
schematics.

Best regards
Tomaz
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Re: gEDA-user: making gnetlist calm down

2006-12-08 Thread David Kuehling
Hi,

 David Griffith [EMAIL PROTECTED] writes:

 This is my first complex design and I have three annoying problems:
[..]

good coincidence and a good chance to add my problems to the list :) I'm
currently also just in the process of netlisting a complex design in
preparation for PCB layouting.  I also get some output from gnetlist
that seems to point to severe errors, although I don't understand it at
all:

$gnetlist -g drc2 -o ZA100_drc.txt ZA100_1.sch ZA100_2.sch ZA100_3.sch

[..]
Found duplicate net name, renaming [+3.3V] to [BS1]
WARNING: Trying to rename something twice:
+3.3V and +3.3V
are both a src and dest name
This warning is okay if you have multiple levels of hierarchy!
Found duplicate net name, renaming [PGND] to [R/W#]
Found duplicate net name, renaming [R/W#] to [RD#]
WARNING: Trying to rename something twice:
PGND and PGND
are both a src and dest name
This warning is okay if you have multiple levels of hierarchy!
WARNING: Trying to rename something twice:
PGND and PGND

Can I really ignore such errors, or is this going to be a problem when
moving on with gsch2pcb?  BTW I'm using quite recent
geda-gnetlist-20060906 (but the problem was present with a much older
version, too)

regards,

David Kühling
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