http://www.geda.seul.org/wiki/ 2008-08-28T18:12:51-04:00 http://www.geda.seul.org/wiki/ http://www.geda.seul.org/wiki/lib/images/favicon.ico text/html 2008-08-24T17:16:57-04:00 Peter Clifton http://www.geda.seul.org/wiki/geda:guile_scripting?rev=1219612617&do=diff Guile scripting reference libgeda C library libgeda defines a number of low-level functions in C for configuring its behaviour and manipulating features such as the component and subcircuit libraries. Types * attribute * object * page Variables Basic configuration (defined by libgeda, read-only) text/html 2008-08-24T16:12:18-04:00 Martin Maney http://www.geda.seul.org/wiki/geda:gsch2pcb_tutorial?rev=1219608738&do=diff This is a tutorial on the process of using gsch2pcb as an interface between gschem and PCB. It assumes the gEDA, PCB and gsch2pcb packages are already installed and ready to use. Starting with gEDA 20030901, gsch2pcb is packaged with gEDA and doesn’t need to be separately installed. This tutorial is functional and intended to generate results as quickly as possible. It is not a complete reference on gschem or PCB, but it does show with a simple example design all the steps one might need to … text/html 2008-08-07T23:33:21-04:00 Kai-Martin Knaak http://www.geda.seul.org/wiki/geda:faq-gschem?rev=1218166401&do=diff I found a bug! What can I do about it? * See if you can reproduce the bug. * Ask on the geda-user mailing list if there is a work around, or has been dealt with in the bleeding edge version of gEDA/gaf. Note, that you must subscribe to the geda-user e-mail list before you can post to this list. * See whether the issue is already in the bug tracking system of geda/gaf. If not, file a bug report. Make sure to give all information necessary to reproduce the bug and add the version of gEDA/ga… text/html 2008-08-07T02:55:05-04:00 Phil Taylor http://www.geda.seul.org/wiki/geda:pcb_footprints?rev=1218092105&do=diff Using PCB Footprints Creating PCB Footprints This page is redundant!!! see pcb_tips. Furthermore, there is no better way to understand the inner workings of footprints than the pdf Footprint Creation for the Open-Source Layout Program “PCB”<http://brorson.com/gEDA/land_patterns_20070818.pdf> text/html 2008-07-27T18:58:49-04:00 David Cary http://www.geda.seul.org/wiki/geda:installation?rev=1217199529&do=diff This section provides some information useful to people who want to install gEDA onto their computers. Debian distributions The repository of the Debian distribution contains binary packages of the core geda/gaf tools including gschem, pcb, gnucap and gerbv. Due to license specifics some tools like ngspice cannot be distributed by Debian. However, the geda suite iso image will work nicely on Debian, if you have have prepared your box by installing some development packages. For more detailed i… text/html 2008-07-23T14:00:04-04:00 Phil Taylor http://www.geda.seul.org/wiki/geda:pcb-quick_reference?rev=1216836004&do=diff Key Mapping PCB Keystrokes KEY MNEMONIC DESCRIPTION esc panner enter panning mode insert insert point enter insert point mode. Click and drag on track to insert a point space select enter select mode tab flip view view: flip board shift-del del-cu deletes connected copper (rats are considered a connection) \ thin-draw toggles thin draw mode shift-alt-a unselect clear selection b to other side flip object to the other side of the board shift-b… text/html 2008-07-21T07:38:50-04:00 Kai-Martin Knaak http://www.geda.seul.org/wiki/geda:pcb_tips?rev=1216640330&do=diff This section answers general questions about PCB technology. If you’re just beginning to learn about electronics, you might benefit from some of the answers given here. What's a footprint? What's a via? What's a track? You can find a glossary of terms here.’’’’’’’’’’’’’’’’’’’’’’’’’’ text/html 2008-07-09T10:29:30-04:00 Kai-Martin Knaak http://www.geda.seul.org/wiki/geda:faq-attribs?rev=1215613770&do=diff How do I create a bill of materials (BOM)? There are five different backends for gnetlist which enable you to export a BOM. Call them with -g and be sure to give the output file name with the -o option: gnetlist -g partlist3 -o output.bom schematic.sch text/html 2008-05-27T00:44:25-04:00 Jorge Ernesto Guevara Cuenca http://www.geda.seul.org/wiki/geda:faq-gnetlist?rev=1211863465&do=diff I get a "parenthesis mismatch" error when running gnetlist. What's up? Starting with Fedorea Core 6 and SuSE 10.2, many users have reported an error which looks like this: $gnetlist -g spice-sdb -o TwoStageAmp.cir TwoStageAmp.sch Command line passed = gnetlist -g spice-sdb -o TwoStageAmp.cir TwoStageAmp.sch gEDA/gnetlist version 20061020 gEDA/gnetlist comes with ABSOLUTELY NO WARRANTY; see COPYING for more details. This is free software, and you are welcome to redistribute it under certain … text/html 2008-04-04T13:35:50-04:00 Kai-Martin Knaak http://www.geda.seul.org/wiki/gschem-projects?rev=1207330550&do=diff Gschem schematic capture tool Libgeda API formalization In this project, you would expand libgeda (if needed) to provide a complete enough guile interface to be able to do more complex database manipulations. One use would be to have a back annotation tool that used libgeda instead of relying on perl. The problem with perl is that you’ve involved Yet Another Gschem Parser. This actually may be combined with the previous project about rewriting the gnetlist internals.’’’ text/html 2008-04-04T11:49:06-04:00 Karl Edler http://www.geda.seul.org/wiki/geda:ngspice_and_gschem?rev=1207324146&do=diff It is possible to use gschem to make circuit diagrams which can then be simulated with ngspice. The advantage is that you can iteratively design and simulate before you commit to fabrication. The purpose of this tutorial is not to teach the details of SPICE but rather to work a very simple example so that the required steps are made clear. More detailed documents on both Spice and gEDA can be found at: ’’