bt-hid-relay.service

[Unit]
Description=Bluetooth HID Relay Service
After=bluetooth.target bthelper@.service
Wants=bluetooth.target
BindsTo=bthelper@hci0.service
# Prevent conflicts with Pi's bluetooth helper
Conflicts=
RefuseManualStop=no
RefuseManualStart=no
StopWhenUnneeded=no

[Service]
Type=simple
ExecStartPre=/bin/sleep 2
ExecStart=/usr/local/bin/bt-hid-relay
Restart=always
RestartSec=3
User=root
RemainAfterExit=yes
StartLimitInterval=0
StartLimitBurst=0

[Install]
WantedBy=multi-user.target bluetooth.target
Also=bluetooth.target bthelper@hci0.service