Problem with the names of the waveforms

Hi,
I'm having a very stupid problem that I'm not being able to solve.
I am simulating a circuit that is quite complex, I want to see about 30
voltage signals.
My problem is that some of the names of the signals that I've chose, don't
appear with the "custom" netName that I've gave them.
Let me explain better:
I'm in the "Analog design Environment", I select
Outputs ->To be Ploted -> Select on Schematic
Now I select the nets and they are added to the output and some appear with
the custom name that I've gave them and some don't!
Is like having a Vin and a Vout and the Vout appears with the name "net35"
I've also changed the signals names with the "Setting Outputs" window but in
the "Waveform Window" they still appear with this system generated names.
Any idea?
Thank you very much for your help.
Hugo

 

Hi Hugo,

to me it looks like you have the following problem. You give names to
nets inside a subcell which are connected to upper hierarchy levels by
pins. And only these netnames do make trouble in analog artist. Is
that it?

Analog artist names a single net like it is called in the highest
hierarchy level. If you have a top level net "net35" that goes
straight into diverse subcells and is named "Vin" inside a subcell, it
is still going to be treated as "net35" because that's the hierarchies
uppermost name.

Try this.

Gunnar

 

How do you give nets "custom" names? The best way is to use the Add->wire
name ... menu item from composer (shortcut l (ell)) and give the net a
label. This label overrides the automatic name that assigns during check
and save.

The second best, and much better than the default composer setting is to
have nets being named names derived from its source block. You can acheive
this from the options->editor ... menu in composer and set net names to
"derived". You do this permanently by adding:
(envSetVal "schematic" "netNameMethod" 'cyclic "derived")
in your .cdsinit file. Then your net names will at least have some coherence
to the instance names in your schematic.

I guess you are using AWD as waveform viewer, and awd does have this
weakness. Your best workaround is to give wires proper names when you draw
your schematic with the "l" (ell) shortcut.

 

Thanks Gunnar and thanks Svenn,

Gunnar,
I've found that the net names that appeared in the waveform viewer were the
ones from the higher hierarchy. So now I give the "custom" names in the top
level and they appear correctly.

Svenn,
Yes, I was giving the net names the way you were saying.
Using this option you suggest saves me a lot of work.

Hugo