led blink example for stm32f103 blackpill using haskell(jhc)
- jhc-libopencm3(https://github.com/1inguini/jhc-libopencm3)
first do git submodule update --init --recursive --progress
then make -C Lib/libopencm3
at last build with stack ./Lib/Build.hs
at the root of this repo