On Jul 8, 2011, at 2:47 PM, <fr...@frankthomson.net> <fr...@frankthomson.net> wrote:
> I have been looking at the gschem file format, seems very > straight forward and I created the symbols for the standard cells in the > verilog netlists. A rats nest is fine, will never edit the schematic of > any file created from the verilog file. I set a message yesterday that's relevant to your approach, but it appears not to have made it to the list. So, I'm resending it to the list and to you. > On Jul 7, 2011, at 4:31 PM, <fr...@frankthomson.net> <fr...@frankthomson.net> > wrote: > >> I've looked at the mailing list archives and seen people ask but >> haven't seen if anyone has code to take a verilog netlist and create a >> gschem file from it. I don't care about what the schematic looks like, >> can be ugly. I just need to get it into gschem format to run through >> gnetlist to a different netlist format. >> >> Why? Well, I'm getting files from different tools (gschem along with >> tools from other sites) and the common format I can generate is verilog >> which works out well because I'm using icarus verilog for simulation. >> The next step in the process requires running the design through >> gnetlist but since gnetlist only reads gschem files as input I need to >> get the verilog files to gschem to feed gnetlist. > > Well, the back end is easy. See > http://www.gedasymbols.org/user/john_doty/tools/pins2gsch.html. > > This script generates a .sch file that contains connectivity data, but no > useful graphics. The input is a trivial TSV representation of a netlist. > > Given a parser for the input netlist format(s), the same approach could be > used to merge netlists from other sources. Of course, the parser is the > difficult part. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
