When last looking at that port I got the same impression. I think the in-tree F4 and F7 mcus/bsps are more similar between themselves than the f3 port is from any of them and making a new F3 port would be easier. But also I don't know about the history of the F3 port so someone can correct me.
On Mon, Jan 8, 2018, at 3:45 AM, markus wrote: > I've tried to use the mynewt_stm32f3 package with little success. It > seems to be so out of date that I'm wondering if it's even worth trying > to fix it or if I should rather start over following the porting guides > on web site? > > Any guidance appreciated, > Markus