using [probe-rs](https://crates.io/crates/probe-rs) + [defmt](https://github.com/knurling-rs/defmt) + [flip-link](https://github.com/knurling-rs/flip-link) Example at https://github.com/punkto/rust_blue_pill_knurling-rs_example/tree/main
using probe-rs + defmt + flip-link
Example at https://github.com/punkto/rust_blue_pill_knurling-rs_example/tree/main