Generates a key press when the pen button is pressed
Copy libqevdevlamyplugin.so
to /usr/lib/plugins/generic
export QT_QPA_GENERIC_PLUGINS=evdevlamy
or xochitl -plugin evdevlamy
to make it permanent edit the /lib/systemd/system/xochitl.service
also, you'll need to patch xochitl with remarkable-hacks
source /usr/local/oecore-x86_64/environment-setup-cortexa9hf-neon-oe-linux-gnueabi
qmake
make
sh -c "$(wget https://raw.githubusercontent.com/ddvk/remarkable-stylus/master/patch.sh -O-)"
plus the patch for xochitl from: https://github.com/ddvk/remarkable-hacks
Needs to be reapplied after a software upgrade (both this and the hacks)
sh -c "$(wget https://raw.githubusercontent.com/ddvk/remarkable-stylus/master/remove.sh -O-)"