Mpy setup for Micropython

commands.bash

# https://docs.micropython.org/en/v1.18/develop/natmod.html
# python env setup
pyenv local 3.10.2 #version doesn't matter so much
python -m venv venv # setup venv
source venv/bin/activate

# install python build tools
pip install 'pyelftools>=0.25'

# setup micropython env
git clone https://github.com/micropython/micropython

# install compiler tools
# fetch one of these bundles
# https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/tools/idf-tools.html
# and unpack the bin folder to something on your path

make ARCH=xtensawin

# deploy
ampy --port /dev/cu.usbserial-01FB7B3E put factorial.mpy

# from the device
import factorial
print(factorial.factorial(10))
>>> 3628800