Defmt is a rust library that does exactly this. This has become almost a standard in embedded rust. There is even a c++ client-side implementation: https://git

Defmt is a rust library that does exactly this. This has become almost a standard in embedded rust. There is even a c++ client-side implementation: https://github.com/Javier-varez/Postform/ https://github.com/Javier-varez/Postform/ ...which uses macros for logging ;)