sudo apt-get install build-essential gcc-avr avr-libc git
sudo apt-get install g++8
git clone git@github.com:taylorconor/threeboard.git
cd threeboard/firmware
.hex
file that can be flashed to hardware:
bazel build //src:threeboard_hex
The firmware hex file will be written to threeboard/firmware/bazel-bin/src/threeboard_hex.hex
.