micropython/ports/gprs_a9 at master · Neutree/micropython · GitHub

Name		Name	Last commit message	Last commit date
parent directory ..
modules		modules
.gitignore		.gitignore
Makefile		Makefile
README.md		README.md
build.sh		build.sh
csdk_config.h		csdk_config.h
fatfs_port.c		fatfs_port.c
file_io.c		file_io.c
help.c		help.c
machine_pin.c		machine_pin.c
main.c		main.c
modchip.c		modchip.c
modmachine.c		modmachine.c
modmachine.h		modmachine.h
moduos.c		moduos.c
modutime.c		modutime.c
mpconfigport.h		mpconfigport.h
mphalport.c		mphalport.c
mphalport.h		mphalport.h
qstrdefsport.h		qstrdefsport.h
rng.c		rng.c
rng.h		rng.h
unistd.h		unistd.h

README.md

install GPRS_C_SDK toolchain

installation doc
Or docker

git clone git@github.com:Neutree/micropython.git
make -C mpy-cross
cd micropython/ports/gprs_a9
chmod +x build.sh
./build.sh

and the final lod file in the hex folder