Since you mention it, check out the experimental RPC support: https://github.com/google/libnop/blob/master/examples/interface.cpp https://github.com/google/lib

Since you mention it, check out the experimental RPC support: https://github.com/google/libnop/blob/master/examples/interface.cpp https://github.com/google/libnop/blob/master/examples/interf... https://github.com/google/libnop/blob/master/include/nop/rpc/interface.h https://github.com/google/libnop/blob/master/include/nop/rpc... I haven't documented it yet since it's not fully baked, but it's quite functional nonetheless. I have a working prototype of RPC over USB between a host PC and a Cortex-M micro controller. The ability to define constexpr dispatch tables is very convenient in a micro controller environment.