Minimal daemon for GNU/Linux systems to host the busylight library and accept color commands
Solutions such as busylight-cli are functional, but require commands to be refreshed every 20 seconds or the light will go off.
This package will need to be running in the background.
Binding a key combination (e.g. in GNOME) to call one of the following commands will change the color:
/bin/echo -n 'red' | /bin/nc -u -w 1 localhost 8000
# or
/bin/echo -n 'red' > /dev/udp/localhost/8000
# wrapping it in a shell appears to be necessary in GNOME keyboard shortcuts:
sh -c "/bin/echo -n 'green' | /bin/nc -u -w 1 localhost 8000"
The busylight library may require the libusb-1.0.0-dev and libudev-dev packages to be installed (Ubuntu/Debian) for node-gyp to complete.
By default, the hidraw device for the busylight will not be accessible by non-root users. Placing the following rule in /etc/udev/rules.d/50-busylight.rules will relax permissions on busylight devices to allow non-root access.
SUBSYSTEM=="hidraw", PROGRAM="/bin/echo $devpath | /bin/sed -n '/.*usb.*\/[0-9A-Za-z]\{4\}:27BB:3BCA\..*hidraw/!{q1}'", MODE="0666", GROUP="1000"
In GNOME - an entry can be added to "startup applications" as such:
sh -c "node /home/user/somepath/busylight-udp/index.js"