firmware for dESSJ

build environment

1. install arduino-cli.

https://arduino.github.io/arduino-cli/0.23/installation/

2. plug in the arduino, check if arduino-cli sees it.

arduino-cli board list

Expect something like this

Port         Protocol Type              Board Name          FQBN                        Core             
/dev/ttyACM0 serial   Serial Port (USB) Arduino Nano 33 BLE arduino:mbed_nano:nano33ble arduino:mbed_nano

3. install the board and library

arduino-cli core install arduino:mbed_nano
arduino-cli lib install ArduinoBLE

compile

cd into this directory.

arduino-cli compile -b arduino:mbed_nano:nano33ble .

upload the firmware to board

arduino-cli upload -b arduino:mbed_nano:nano33ble -p /dev/ttyACM0

Replace /dev/ttyACM0 with the serial port that the arduino is on.

If you cannot upload, press the button on the arduino twice. You should see a fading yellow light, indicating the bootloader is running.

serial monitor

You can use any serial monitor program to look at the serial output. The baud rate does not matter, because everything is native USB and no actual UART happens.

arduino-cli monitor -p /dev/ttyACM0