How to generate .h just like the content of .hpp

The templates is here

for C++ :
nnvg --templates templates/ --outdir include --target-language cpp public_regulated_data_types-master/uavcan

However , what is the command to generate .h just link the content of red rectangle?

C code generation is not yet there, but it is very close to completion. You can follow the progress here:

Thanks a lot.

@newcomer where did those C++ templates come from, and do you know if there is a more complete version? Thanks.