Re: gEDA-user: KJWaves - new release (a r)

[Paul Tan <pt75234@xxxxxxx>]

Hi Peter C,

The gnet_hier_verilog.sh script in gEDA/utilities, or
in /usr/bin/ folder normally, kind of shows a bit what
I would propose where the "Fully Hierarchical
Parameterized Design" should be heading for Verilog,
Vhdl, Spice, etc., consistent with what most
commercial advance VLSI tools are offering.

The system-gnetlistrc's needs to be setup to
disable "flat hierarchy" by doing:
(hierarchy-traversal   "disabled")

The "enabled" feature may be useful for some
PCB, and other older flat netlist generation,
but not for modern advance VLSI tools backends,
and I am glad gEDA is generic enough to allow
it to be "disable" or "enabled".

The gsch-tools-menu.scm I posted in gEDA-dev
forum, kind of show what gEDA needs to improve
on user interface, and to provide a generic scripting
facility for gEDA.  The generic scripting facility
is a very important feature in advance EDA tool
to allow user scripts, python, Perl, Ruby, sh, etc
to interact with gEDA/gaf/gschem/gnetlist

There are a lot more things to mention, it is
difficult to describe them all. In time, I will
post them as the subjects arise.

Best Regards,
Paul Tan


-----Original Message-----
From: Peter Clifton <pcjc2@xxxxxxxxx>
To: gEDA user mailing list <geda-user@xxxxxxxxxxxxxx>
Sent: Tue, 8 Jan 2008 10:48 pm
Subject: Re: gEDA-user: KJWaves - new release (a r)



On Wed, 2008-01-09 at 01:33 -0500, Paul Tan wrote:
> Hi Peter C,
>
> I work in the industry.  I have lots of confidence in
> Ales leadership in gEDA-dev in making sure that gEDA
> remains powerful and generic to allow gEDA to grow
> in a generic way, so there is no need for me to setup
> any fork branch of gEDA/gaf.
>
> I will continue to contribute ideas, codes, including
> voicing my objects to any codes addition/modifications
> which might turn gEDA/gaf into "not suitable for VLSI design"
> state.  I am sure most of us share the same goal.

Indeed.

If there are any details to the workflow you use which you can share,
I'm sure many would find it interesting to know hoe the gEDA tools fit
in at least.

I presume you end up using a lot of hierarchy features. Which gnetlist
backend(s) are you using?

--
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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