alarmdecoder.com

I have Home Assistant installed in a virtual environment on an RPi3, and I just installed the AD2USB. When I start Home Assistant, it's failing to setup the AlarmDecoder component, but gives no indication of why in the logs.

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2018-01-03 00:47:41 ERROR (MainThread) [homeassistant.setup] Setup failed for alarmdecoder: Component failed to initialize.
2018-01-03 00:47:41 INFO (MainThread) [homeassistant.core] Bus:Handling <Event call_service[L]: domain=persistent_notification, service=create, service_call_id=1973460720-2, service_data=message=The following components and platforms could not be set up:

 - [alarmdecoder](https://home-assistant.io/components/alarmdecoder/)

Please check your config., notification_id=invalid_config, title=Invalid config>

Note that despite the message about checking my config, the config checker reports that my config file is valid -- the alarmdecoder section consists of only this:

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alarmdecoder:
  device:
    type: usb
  panel_display: on

The AD2USB works when I use the AlarmDecoder Keypad app installed on the Pi. I can see my system's status correctly. (DSC)
HA was throwing errors about missing pyftdi and pyusb -- I installed them.
HA was throwing errors about 'no langid' -- I fixed that by adding a .rules file to give my "users" group access to the USB devices.

I tried attaching a debugger and stepping through the setup. This snippet of code in the setup() function of alarmdecoder.py was confusing to me:

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    controller = False
    if device_type == 'socket':
        host = device.get(CONF_DEVICE_HOST)
        port = device.get(CONF_DEVICE_PORT)
        controller = AlarmDecoder(SocketDevice(interface=(host, port)))
    elif device_type == 'serial':
        path = device.get(CONF_DEVICE_PATH)
        baud = device.get(CONF_DEVICE_BAUD)
        controller = AlarmDecoder(SerialDevice(interface=path))
    elif device_type == 'usb':
        AlarmDecoder(USBDevice.find())
        return False

In the second to last line, when I step into the creation of the AlarmDecoder() object, it appears that the code is able to find and return an object -- but then setup() returns False regardless. Immediately after this is when HA throws the "failed to setup" message.

Any idea what's going on?

Hi,

I would ask on the HomeAssistant community - since the device is working and it is a HomeAssistant issue, I think they will be better off to help you

I do notice that for the USBDevice implementation they are not using a SerialDevice, which I think we swapped to a while ago due to the pyftdi dependency or some other weird underlying usb issue.

For all intents and purposes, it should be treated just like a serial device now.

Ah, okay, my apologies -- I thought you guys wrote the HA component, not just the Python library.

In any event, switching it from USB to serial immediately fixed the problem. Thank you!

Glad it's working

If you're only going to use it for HomeAssistant then that will work fine - if you want to use it with HomeAssistant and still use the virtual keypad or webapp software - I'd recommend going the 'socket' route with ser2sock