Hi, nice to see that the new file format is shaping up now. Some comments from my side:
* I do not see anything related to SPICE in this document. I would vote to add it including the possibility to embedded spice models (BASE64-encoded) into the symbol itself. * pin type as it is currently specified should be removed. Instead it should be replaced with a more powerful electrical constraints specification entity which includes the pin type, but allows the addition of various other constrains as well, like: - output-voltage-range - voltage range for valid high/low signal - net/bus-type (e.g. I2C/SDA,...) - electrical hypergraph (to detect invalid connections between galvanic separated net-groups) - ... * specifying diff-pair in symbol itself without relying on a naming convention? * How are power symbols defined now? Regards, Thomas Am 01.01.19 um 20:59 schrieb Wayne Stambaugh: > I have updated and published the symbol file format[1] for comment. > Hopefully there isn't too much to change. The only thing to really > finalize is the internal units. The initial concept was unitless but > the more I think about it and discuss with other developers, it makes > more sense to use units for the following reasons: > > 1. It's easier to visualize in your head how the symbols on a given page > size will layout. > > 2. Converting from other file formats (Eagle, Altium, etc) will be > easier since most if not all of them have a defined unit. > > I'm thinking 10u (or possibly 100u) will make a good internal units > value. Once we nail down the units, I will update the file format > document accordingly. > > Please keep in mind that this is the symbol library file format document > so things like constraints belong in the schematic file format. I will > be posting the schematic file format as soon as I finish updating it. > > Cheers, > > Wayne > > [1]: > https://docs.google.com/document/d/1lyL_8FWZRouMkwqLiIt84rd2Htg4v1vz8_2MzRKHRkc/edit > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp >
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