ConBee / Deconz configuration for DSM7

This document helps with the setup of a startup script for running the Deconz docker container on Synology with DSM7

Intro

Synology DSM7 does not load, by default, drivers for external USB devices. These drivers can be loaded by the user, but a couple of tricks are necessary.

DSM7 uses systemd for services statup operations. Systemd allows additional scripts and complex chaining of these. To be able to use the ConBee USB dongle, three drivers are missing: usbserial, ftdi_sio and cdc_adm. These three must be loaded before docker daemon starts and pulls up your container.

Usage

Prepare the script

Login via SSH into you synology. Create/Copy/Move the startup script into /usr/local/lib/systemd/system

You should see the following:

ls -l /usr/local/lib/systemd/system/pkg-conbee.service 

-rw-r--r-- 1 root root 341 Jul 22 13:39 /usr/local/lib/systemd/system/pkg-conbee.service

Test the script

Run the following:

sudo systemctl start pkg-conbee.service

This will run the script. Now you can check modules in the kernel with lsmod as

lsmod |grep cdc_acm

cdc_acm                18383  2 
usbcore               201223  12 etxhci_hcd,usblp,uhci_hcd,usb_storage,usbserial,ehci_hcd,ehci_pci,usbhid,ftdi_sio,cdc_acm,xhci_hcd,xhci_pci

This means modules are loaded.

Enable the script

The script must run at startup, so you need to tell systemd to do it

systemctl enable pkg-conbee.service

If you now reboot, this script will run before docker and the container will find the old ACM tty.

Startup script

[Unit]
Description=ConBee Module loader
Requires=pkg-volume.target
Wants=
Requisite=
After=
IgnoreOnIsolate=no
OnFailure=

[Install]
WantedBy=pkg-Docker-dockerd.service

[Service]
Type=simple
ExecStart=/bin/bash -c "modprobe usbserial && modprobe ftdi_sio && modprobe cdc-acm" 
TimeoutStartSec=3600
TimeoutStopSec=3600
RemainAfterExit=true

Disclaimer

USE THIS AT YOUR RISK