Sets up an Infinity IN-USB-2 Foot Pedal to act as a keyboard on Debian-based Linux systems

setup_foot_pedal.sh

#!/bin/bash
# Sets up an Infinity IN-USB-2 foot pedal so it behaves like a keyboard.
# This script assumes a Debian-based system.
# ID 05f3:00ff PI Engineering, Inc. VEC Footpedal
# See: https://thejeshgn.com/2022/05/03/usb-foot-pedal-or-switch-as-a-keyboard-in-linux/
RULE_FILE=/etc/udev/rules.d/10-vec-usb-footpedal.rules
HWDB_FILE=/etc/udev/hwdb.d/000-vec-usb-footpedal.hwdb

RULE_DATA=$(cat <<END
	ACTION=="add|change",
	KERNEL=="event[0-9]*",
	ATTRS{idVendor}=="05f3",
	ATTRS{idProduct}=="00ff",
	ENV{ID_INPUT_KEYBOARD}="1"
END
)

# NOTE: Keyboard mapping can be configured here.
# Pedals defined in left-to-right order.
HWDB_DATA=$(cat <<END
evdev:input:b*v05F3p00FF*
 KEYBOARD_KEY_90001=b
 KEYBOARD_KEY_90002=n
 KEYBOARD_KEY_90003=m
END
)

if [[ $(id -u) != 0 ]]; then
	echo "Warning: Not running as root! This script probably won't work."
	echo
fi

echo "Setting up Infinity IN-USB-2 Foot Pedal"
echo
echo "Creating udev rules entry $RULE_FILE"
# Don't use quotes here so this all ends up on one line
echo $RULE_DATA | tee $RULE_FILE
echo
echo "Creating udev hwdb entry $HWDB_FILE"
echo "$HWDB_DATA" | tee $HWDB_FILE
echo
echo "Reloading services..."
echo
udevadm control --reload
systemd-hwdb update
echo
echo "Done!"