On Wednesday 31 January 2007 08:36, Peter Clifton wrote: > Are there any free tools to do Verilog-AMS currently?
Not really. There some hacks and starts. The most useul one is "ADMS", which was developed by Freescale Semiconductor (formerly Motorola). (http://mot-adms.sourceforge.net). It generates an internal XML file, which can be processed to make Spice C code. As I understand, it will make 3f5 code or ng-spice code. Then it is up to you to somehow get it into the simulator. I think the 3f5 version should work with gnucap, using the spice-model-wrapper plug-in, which will be available soon. "ADMS" uses mostly a subset of Verilog-A, with a few extensions. It is intended specifically for developing compact models of semiconductor devices. > Are > Verilog-A and Verilog-AMS significantly different? Verilog-A is the analog only subset of Verilog-AMS. > An octave plugin to: I am not familiar with octave plug-ins. > A plugin to gnucap which: > > a) Can write octave's data file format(s) That would be useful. Something that looks like a device or model to gnucap, so you can write interactive models as .m files. > I'm actually avoiding octave as much as I can.. its maths > libaries are nice, but as an interpreted language, doing real > tasks in it (if they have loops) is really slow. Have you tried "R"? It too is interpreted but for matrix operations it is very fast. It is a derivative of "S" which was developed at Bell Labs, but somehow became a commercial product. The creator of "S" is now developing "R" which is GPL. Interpreted languages are not necessarily slow. For example, if matrix operations are built-in, you don't suffer the speed penalty for the loops that process matrices, and might benefit from optimized built-in algorithms that are more optimized than you would do. > Since I inherited some Matlab code, I am using octave - it > makes great glue for trying things out, but I resort to C/C++ > when I hit bottlenecks. > > Numpy / Scipy have been suggested as an alternative. (For the > glue). Py = python? -- the same interpreter issue as octave? _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
