cpx_setup.sh

#!/bin/bash

# cpx_setup.sh
# sets up a circuitplayground_expres board with:
# circuitpython, a readme and nifty code.py

# example: ./cpx_setup.sh 6.0.0-alpha.3

set -ex

cp_ver=${1:-8.2.0}

target=/media/$USER
assets=~/sbc/cpx

dl_root=https://downloads.circuitpython.org/bin/circuitplayground_express/en_US

img=adafruit-circuitpython-circuitplayground_express-en_US-${cp_ver}.uf2

if [ ! -f ${assets}/${img} ]; then
  wget -N --directory-prefix ${assets}  \
    ${dl_root}/${img}
fi

if [ ! -d ${assets}/Welcome_to_CircuitPython_CPX ]; then
    git clone https://github.com/kattni/Welcome_to_CircuitPython_CPX \
        ${assets}/Welcome_to_CircuitPython_CPX
fi


while [ ! -d ${target}/CPLAYBOOT ]; do
  echo Plug it in, hit the reset once or twice till all the leds are green.
  sleep 1
done

cp ${assets}/${img} ${target}/CPLAYBOOT
echo waiting for OS to mount ${target}/CIRCUITPY/
sync
while [ ! -d ${target}/CIRCUITPY/ ]; do
  sleep 2
done

# rm ${target}/CIRCUITPY/* -rf

cp \
    README.md \
    ${target}/CIRCUITPY/

cp \
    ~/src/Welcome_to_CircuitPython_CPX/cpx_touch_pixel_rainbow.py \
    ${target}/CIRCUITPY/code.py

rm -rf /${target}/CIRCUITPY/Welcome_to_CircuitPython_CPX
rsync -rtvP --cvs-exclude \
    ${assets}/Welcome_to_CircuitPython_CPX \
    ${target}/CIRCUITPY/

sync

dev=$(findfs LABEL=CIRCUITPY)
pumount ${target}/CIRCUITPY/
eject ${dev}