Re: gEDA-user: Soft and Hard symbols

2011-01-15 Thread Peter Clifton
On Fri, 2011-01-14 at 21:14 -0500, al davis wrote: Reading a file is easy. The hard part about the geda format, where use of libgeda may be advantageous, is establishing connectivity. A mix of libgeda, with gnetlist wading in and flattening things (perhaps unhelpfully). I want to see all

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Peter Clifton
On Sat, 2011-01-15 at 07:54 +, Peter TB Brett wrote: - Original message - What is the point of the command Make Inv Text Vis in gschem, other than aggravating me. Good question. I'm not aware of a use-case for it either. At the very least, it should be undo-able. Please

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Markus Hitter
Am 15.01.2011 um 09:47 schrieb Peter Clifton: On Sat, 2011-01-15 at 07:54 +, Peter TB Brett wrote: - Original message - What is the point of the command Make Inv Text Vis in gschem, other than aggravating me. Good question. I'm not aware of a use-case for it either. At the

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Bob Paddock
Lets kill it with fire. One use-case would be to quickly inspect all of these attributes. It makes a difference wether you see attributes in a seperate sheet vs. you see them right next to each symbol. I don't know if it applies to the feature you are discussing or not, but I have a use case

Re: gEDA-user: Soft and Hard symbols

2011-01-15 Thread Stephan Boettcher
Peter Clifton pc...@cam.ac.uk writes: On Fri, 2011-01-14 at 21:14 -0500, al davis wrote: Reading a file is easy. The hard part about the geda format, where use of libgeda may be advantageous, is establishing connectivity. A mix of libgeda, with gnetlist wading in and flattening things

Re: gEDA-user: FYI [Fwd: [Balloon] Balloon 4]

2011-01-15 Thread Bob Paddock
a) They have Altium b) They have bits in Altium already (footprints etc..) - momentum. c) They need an auto-router which can handle really complex stuff. Hun? Three of us at work have spent weeks trying to get Altium's autorouter to do much at all, and do it correctly when it does, and

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Peter Clifton
On Sat, 2011-01-15 at 10:43 +0100, Markus Hitter wrote: Lets kill it with fire. One use-case would be to quickly inspect all of these attributes. It makes a difference wether you see attributes in a seperate sheet vs. you see them right next to each symbol. For that we have

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Peter Clifton
On Sat, 2011-01-15 at 07:06 -0500, Bob Paddock wrote: I don't know if it applies to the feature you are discussing or not, but I have a use case where I need to turn off global visibility of values for items. In any normal schematic, destined for a PCB layout, there is normally a designator

Re: gEDA-user: Soft and Hard symbols

2011-01-15 Thread Peter Clifton
On Sat, 2011-01-15 at 13:10 +0100, Stephan Boettcher wrote: What are the use-cases? IMO, only viewing of synthesis results, or matching up / creating a schematic which matches an extracted netlist - either from reverse engineering, layout extraction, or from another program. -- Peter Clifton

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Stephan Boettcher
Peter Clifton pc...@cam.ac.uk writes: On Sat, 2011-01-15 at 07:54 +, Peter TB Brett wrote: - Original message - What is the point of the command Make Inv Text Vis in gschem, other than aggravating me. Good question. I'm not aware of a use-case for it either. At the very

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread John Griessen
On 01/15/2011 06:59 AM, Stephan Boettcher wrote: Yes, please! +1 John ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Peter Clifton
On Sat, 2011-01-15 at 09:10 -0600, John Griessen wrote: On 01/15/2011 06:59 AM, Stephan Boettcher wrote: Yes, please! +1 Consider it napalmed. -- Peter Clifton Electrical Engineering Division, Engineering Department, University of Cambridge, 9, JJ Thomson Avenue, Cambridge CB3 0FA Tel:

gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Florian E. Teply
Hi folks, I seem to recall that some guys here use gEDA for chip design. John Doty comes to mind, but i think there are others too. I'd be interested in the workflow as i will have to make up some clever test chips in the next few years for PhD work and i'm not in the position to be able to sell

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Kai-Martin Knaak
Markus Hitter wrote: One use-case would be to quickly inspect all of these attributes. It makes a difference wether you see attributes in a seperate sheet vs. you see them right next to each symbol. I regularly do this for the footprint attribute with Attributes -

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Bob Paddock
Any suggestions? There is also Toped: http://code.google.com/p/toped/ ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Patrick Doyle
Hello Florian, I wish I could say that I could help, but instead I'd like to say I too am interested in learning what's involved in using gEDA for chip design. I'm not even sure where to begin, other than to share the few things I've thought about so far (however naive or clueless those thoughts

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread David W. Schultz
On 01/15/2011 10:52 AM, Florian E. Teply wrote: Hi folks, I seem to recall that some guys here use gEDA for chip design. John Doty comes to mind, but i think there are others too. I'd be interested in the workflow as i will have to make up some clever test chips in the next few years for

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Vanessa Ezekowitz
On Sat, 15 Jan 2011 16:25:39 + Peter Clifton pc...@cam.ac.uk wrote: On Sat, 2011-01-15 at 09:10 -0600, John Griessen wrote: On 01/15/2011 06:59 AM, Stephan Boettcher wrote: Yes, please! +1 Consider it napalmed. Napalmed ain't enough - I want that option *nuked* (from orbit

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Peter TB Brett
Consider it napalmed. Napalmed ain't enough - I want that option *nuked* (from orbit yet).   It's the only way to be sure.                   Peter -- Peter Brett pe...@peter-b.co.uk Remote Sensing Research Group Surrey Space Centre ___

Re: gEDA-user: Rant about Make Inv Text Vis

2011-01-15 Thread Stephan Boettcher
Vanessa Ezekowitz vanessaezekow...@gmail.com writes: On Sat, 15 Jan 2011 16:25:39 + Peter Clifton pc...@cam.ac.uk wrote: On Sat, 2011-01-15 at 09:10 -0600, John Griessen wrote: On 01/15/2011 06:59 AM, Stephan Boettcher wrote: Yes, please! +1 Consider it napalmed. Napalmed

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Joe Chisolm - Gmail
On 01/15/2011 10:52 AM, Florian E. Teply wrote: Hi folks, I seem to recall that some guys here use gEDA for chip design. John Doty comes to mind, but i think there are others too. I'd be interested in the workflow as i will have to make up some clever test chips in the next few years for PhD

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread John Griessen
On 01/15/2011 10:52 AM, Florian E. Teply wrote: i'd want both simulation as well as generation of production-ready data (GDS or OASIS files, preferably OASIS), but have not the slightest idea on how to accomplish that or even if that's possible with open source software, let alone from within

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread John Griessen
On 01/15/2011 02:21 PM, Joe Chisolm - Gmail wrote: Hands-on: Get started in analog IC design and fab (Part 1 of 3) http://www.eetimes.com/design/analog-design/4010380/Hands-on-Get-started-in-analog-IC-design-and-fab-Part-1-of-3- It's nice to read about what he stressed as he went after his

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread John Griessen
http://www.eetimes.com/design/analog-design/4010382/Hands-on-Get-started-in-analog-IC-design-and-fab-Part-3-of-3- an excerpt from above section: == Convergence and noise modeling were key issues. At each change, I had to learn about the new tool and adapt the models

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Oliver King-Smith
On 01/15/2011 10:52 AM, Florian E. Teply wrote: Hi folks, I seem to recall that some guys here use gEDA for chip design. John Doty comes to mind, but i think there are others too. I'd be interested in the workflow as i will have to make up some clever test chips in the

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Oliver King-Smith
I looked at Toped quiet a bit and did not think it was as good as magic yet. I like the idea behind it, and it is much more modern feeling that Magic, but it is still pretty immature. Oliver __ From: Bob Paddock

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread John Griessen
On 01/15/2011 07:39 PM, Oliver King-Smith wrote: I extracted back out of Magic and reran the extract circuit in LTSpice as my LVS checker. You can also run a simple LVS in Magic, but I did not find that entirely reliable. I'd like to hear more about this. Are you meaning

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Oliver King-Smith
I extracted back out of Magic and reran the extract circuit in LTSpice as my LVS checker. You can also run a simple LVS in Magic, but I did not find that entirely reliable. I'd like to hear more about this. Are you meaning functional simulation to decide on

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Kai-Martin Knaak
Oliver King-Smith wrote: There is no need to use the C++ code if you are a whiz at scheme, but I really don't like LISP. You are not alone :-) Would you contribute the scheme glue script to the project? Maybe it can even be added to the main distro of gnetlist. What do ye developers

Re: gEDA-user: FYI [Fwd: [Balloon] Balloon 4]

2011-01-15 Thread al davis
On Saturday 15 January 2011, Kai-Martin Knaak wrote: I looked at lang_verilog_in.cc Unfortunately, my c++ is not fluent enough to read the code right away. This is aggravated by the lack of comments on what the various code blocks do. Since I also don't know verilog by heart, the whole file

Re: gEDA-user: FYI [Fwd: [Balloon] Balloon 4]

2011-01-15 Thread al davis
On Saturday 15 January 2011, Kai-Martin Knaak wrote: I don't see how this could possibly work. Both, gschem and altium contain a graphical representation of the circuit. Unless I massively missed something, verilog is completely procedural. Graphics information would be lost during the

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Florian E. Teply
On Sat, 15 Jan 2011 17:44:33 -0600 John Griessen j...@ecosensory.com wrote: On 01/15/2011 10:52 AM, Florian E. Teply wrote: i'd want both simulation as well as generation of production-ready data (GDS or OASIS files, preferably OASIS), but have not the slightest idea on how to accomplish

Re: gEDA-user: gEDA flow for chip design?

2011-01-15 Thread Oliver King-Smith
There isn't much to the glue script, but now that I think about it I might be able to make it more useful and general purpose. I don't think it would be appropriate in its current form for distribution to the general public. It was written specifically for my needs in a quick and