On Mon, 20 Sept 2021 at 17:49, Kevin Townsend <kevin.towns...@linaro.org> wrote: > > On Mon, 20 Sept 2021 at 17:14, Peter Maydell <peter.mayd...@linaro.org> wrote: >> >> That's OK -- our "int" properties are int64_t. So we could easily >> fit something like 10000 == 1.0000 uT, in case we might want >> the extra precision in future. That would be 1,000,000 == 1 G >> (assuming I haven't messed up my arithmetic ;-)) >> > Is 0.001 uT OK to use as a starting point? I think that's enough for most > sensors I'm aware of.
The thing is that the starting point is also the finishing point: once we have released something that uses a particular set of units, we can't change it in future without breaking backwards compatibility. So we need to get it right now. -- PMM
