micropython-ffigen is experimental tool to generare external library bindings
for ffi/uctypes modules of MicroPython https://github.com/micropython/micropython
from C header files.

micropython-ffigen depens on c2ffi tool (https://github.com/rpav/c2ffi),
which in turn depends on LLVM and Clang (http://llvm.org/).