2016. április 6., szerda

AutomaTales - Remote integration

To be able to use the rolling code receiver in my OpenHAB, the first thing we need to enable the GPIO binding in the OpenHAB. There is a fairly good documentation of it in the OpenHAB wiki:


I mostly done, what is in it, but some modifications were needed.

1. Install the native JNA library:
apt-get install libjna-java

2. Modify /opt/openhab/start.sh
into the list of java command line parameters

3. Modifiy the /etc/init.d/openhab

into the DAEMON_ARGS parameters

and add the commands to unexport the gpio pins on stopping the daemon

4. From the previously downloaded distribution-1.8.1-addons.zip (part of the OpenHAB downloads) expand the following files:

into the /opt/openhab/addons directory

5. Restart openhab:

/etc/init.d/openhab restart

Now the OpenHAB is ready to handle the GPIO. We need to make the configuration changes, to be able to use it.

6. Add the required items

The GPIO inputs can be represented by Contacts in the OpenHAB, so edit one of the files in the /opt/openhab/configurations/items directory (I already dropped the demo config from here, so I've the config of my house) and add the following:

Contact KeeLoq_Remote_A "Reamote A [MAP(en.map:%s]" (<ID of your Group>, Windows) { gpio="pin:66"}
Contact KeeLoq_Remote_B "Reamote B [MAP(en.map:%s]" (<ID of your Group>, Windows) { gpio="pin:67"}
Contact KeeLoq_Remote_C "Reamote C [MAP(en.map:%s]" (<ID of your Group>, Windows) { gpio="pin:69"}
Contact KeeLoq_Remote_D "Reamote D [MAP(en.map:%s]" (<ID of your Group>, Windows) { gpio="pin:68"}

When everything is fine you should see the following after the OpenHAB reload the configuration:

And when you push a button on the remote, the closed text change to open, and back when you release.

7. For the lighting it will not be enough
We need to keep the status of the light, as it switched on or off. So I added a Switch into the items config:

Switch Garage_Light "Garage Light" (<ID of your Group>, Lights)

This is only a regular switch, so if you want to control it from the remote you need some rules. You can add it to a rules file in the /opt/openhab/configurations/rules folder:

rule "GarageLightToggle"
        Item KeeLoq_Remote_B changed from CLOSED to OPEN
        if(Garage_Light.state == ON)
            sendCommand(Garage_Light, OFF)
            sendCommand(Garage_Light, ON)

After this, when you push the B button on the remote, it will switch the web control, on and off
This still not change the physical light. I have to create/buy some actor for this.

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