openHAB

# Tellstick Binding

This is an openHAB binding for Tellstick devices produced by Telldus, a Swedish company based in Lund.

The original Tellstick focused on controlling 433 MHz devices like switches, dimmers and reading sensors from different brands. Many of the supported devices are cheaper and "low-end" and support have been made by reverse engineer the transmission protocols. All of these 433 MHz devices is one-way, so some versions of the Tellstick monitoring the air to keep the state of all devices.

The latest versions have also implemented Z-Wave as transmission protocol which open up for more robust transmission due two-ways communication.

# Supported Things

This binding supports the following thing types:

  • Dimmable Device - Usually for controlling lamps. dimmer
  • Switchable Device - On/Off only could be lamps or other electronic equipment. switch
  • Sensors - Temperature- and humidity-sensors. sensor

Additionally the binding have two types of bridge things which correspond to available API types:

  • Telldus Core Bridge - Oldest API, used by USB devices. telldus-core
  • Telldus Live Bridge - Telldus Cloud service, all devices with online access. telldus-live
  • Telldus Local Bridge - Telldus Local API, Tellstick Net v2/Tellstick ZNet Lite v1/v2. telldus-local

# Switchbased sensors workaround

  • Some 433MHz magnetic & PIR sensors, for example, magnetic door sensors, are detected as regular switch Things instead of type contact. There is technically no way of distinguish them apart from regulur switch Things. For using them as sensors only (not paired to a lamp) please consult the workaround in the channel section.

# Discovery

Devices which is added to Telldus Core, Telldus Live and Telldus Local can be discovered by openHAB.

When you add this binding it will try to discover the Telldus Core Bridge. If it is installed correct its devices will show up.

If you want to use the Telldus Live or Telldus Local, their bridges, Telldus Live bridge or Tellstick Local, needs to be added manually.

# Binding Configuration

The binding itself requires no configuration.

# Thing Configuration

Only the bridges require manual configuration. It is preferable that devices and sensors are discovered automatically; let the discovery initially configure them.

# Dimmers & switches

There is an option to override the resend count of the commands. Use the option repeat for that. Default resend count is 2.

# Bridges

Depending on your Tellstick device type there is different ways of using this binding. The binding implements three different APIs: 1) Telldus Core which is a local only interface supported by USB based device.
2) Telldus Live which is a REST based cloud service maintained by Telldus. 3) Telldus Local which is a REST based local service maintained by Telldus.

Depending on your Tellstick model, different bridge-types are available:

Model Telldus Core Telldus Live Local REST API Verified working with openHAB
Tellstick Basic X X X
Tellstick Duo X X X
Tellstick Net v.1 X X
Tellstick Net v.2 X X
Tellstick ZNet Lite v.1 X X X
Tellstick ZNet Lite v.2 X X

# Telldus Core Bridge

To enable communication between openHAB and tellstick-core service (Telldus center) they must use same architecture, eg. 32-bit or 64-bit. The supplied version from Telldus is compiled against 32-bit architecture. Therefore, it is better to use 32-bit java for openHAB. To check which version of Java is currently in use, run: java -d32 -version

For changing architecture in Linux check out: dpkg --add-architecture

The telldus-core bridge uses a library on the local computer which is a .dll file for Windows and a .so file for Linux. The default one is usually correct.

Bridge tellstick:telldus-core:1 "Tellstick Duo" [resendInterval=200,libraryPath="C:/Program Files/Telldus/;C:/Program Files (x86)/Telldus/"]

Optional:

  • libraryPath: The path to tellduscore.dll/so semicolon seperated list of folders.
  • resendInterval: The interval between each transmission of command in ms, default 100ms.

# Telldus Live Bridge

To configure Telldus Live you have request OAuth tokens from Telldus. Goto this page https://pa-api.telldus.com/keys/index (opens new window) and request your keys and update the config.

Bridge tellstick:telldus-live:2 "Tellstick ZWave" [publicKey="XXX", privateKey="YYYY", token= "ZZZZ", tokenSecret="UUUU"]

Required:

  • privateKey: Private key
  • publicKey: Public key
  • token: Token
  • tokenSecret: Token secret

Optional:

  • refreshInterval: How often we should contact Telldus Live to check for updates (in ms)

# Telldus Local Bridge

To configure Telldus Local you need to know the local IP address of your Tellstick device and also request an access token.

Goto this page: https://tellstick-server.readthedocs.io/en/latest/api/authentication.html (opens new window) and follow steps 1), 2) and 3) to generate an access token.

In step 2) when you authenticate the application in your favorite browser, choose the options '1 year' and 'Auto renew access'.

Copy the 'token' returned in Step 3) and use that as accessToken in the local bridge config.

"token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImF1ZCI6IkV4YW1wbGUgYXBwIiwiZXhwIjoxNDUyOTUxNTYyfQ.eyJyZW5ldyI6dHJ1ZSwidHRsIjo4NjQwMH0.HeqoFM6-K5IuQa08Zr9HM9V2TKGRI9VxXlgdsutP7sg"

Bridge tellstick:telldus-local:3 "Tellstick Local ZWave" [ipAddress="x.y.z.w" , accesToken= "XYZ...W"]

Required:

  • ipAddress: Local IP address of your Tellstick device
  • accessToken: Access Token

Optional:

  • refreshInterval: How often we should contact Telldus Local to check for updates (in ms)

# Channels

Actuators (dimmer/switch) support the following channels:

Channel Type ID Item Type Description
dimmer Number This channel indicates the current dim level
state Switch This channel indicates whether a device is turned on or off.
timestamp DateTime This channel reports the last time this device state changed.

Sensors (sensor) support the following channels:

Channel Type ID Item Type Description
humidity Number:Dimensionless This channel reports the current humidity in percentage.
temperature Number:Temperature This channel reports the current temperature.
timestamp DateTime This channel reports the last time this sensor was updates.

PowerSensors ([powersensor]) support the following channels:

Channel Type ID Item Type Description
watt Number:Power This channel reports the current watt.
ampere Number:ElectricCurrent This channel reports the current ampere.
timestamp DateTime This channel reports the last time this sensor was updates.

WindSensors ([windsensor]) support the following channels:

Channel Type ID Item Type Description
windgust Number:Speed The current peak wind gust.
winddirection Number:Angle The current wind direction.
windaverage Number:Speed The current wind average.

RainSensors ([rainsensor]) support the following channels:

Channel Type ID Item Type Description
rainrate Number:Length This current rate of rain.
raintotal Number:Length The total rain.

# Switchbased sensor workaround

All switchbased sensors are binary and the goal is to represent them as a contact item in openHAB. Eg. a door is open or closed and can't be altered by sending a radio signal. To achieve that we will create a proxy item which is updated by a rule.

First create another proxy item for every sensor:

Switch front_door_sensor    "Front door"  <door>  {channel="tellstick:switch:1:7:state"}
Contact front_door_proxy    "Front door"  <door>

Then create a rule which updates the proxy item:

rule "proxy_front_door_on"
when
    Item front_door_sensor changed to ON
then
    front_door_proxy.postUpdate(OPEN);
end

rule "proxy_front_door_off"
when
    Item front_door_sensor changed to OFF
then
    front_door_proxy.postUpdate(CLOSED);
end

# Full Example

# tellstick.things

Bridge tellstick:telldus-core:1 "Tellstick Duo" [resendInterval=200] {
    dimmer BedroomCeilingLamp1 [protocol="arctech",model="selflearning-dimmer",name="BedroomCeilingLamp1",deviceId="8"]
    switch LivingTV [protocol="arctech",name="LivingTV",deviceId="5"]
    sensor OutsideSensor1 [protocol="fineoffset",model="temperaturehumidity",name="temperaturehumidity:125",deviceId="125_temperaturehumidity_fineoffset"]
}
Bridge tellstick:telldus-live:2 "Tellstick ZWave" [refreshInterval=10000, publicKey="XXXXXXXX", privateKey="YYYYYY", token= "ZZZZZZZZ", tokenSecret="UUUUUUUUUU"] {
    sensor OutsideSensor2 [protocol="fineoffset",model="temperaturehumidity",name="temperaturehumidity:120",deviceId="120_temperaturehumidity_fineoffset"]
}
Bridge tellstick:telldus-local:3 "Tellstick Local ZWave" [ipAddress="192.168.50.17" , accesToken= "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImF1ZCI6IkV4YW1wbGUgYXBwIiwiZXhwIjoxNDUyOTUxNTYyfQ.eyJyZW5ldyI6dHJ1ZSwidHRsIjo4NjQwMH0.HeqoFM6-K5IuQa08Zr9HM9V2TKGRI9VxXlgdsutP7sg"] {
    sensor OutsideSensor3 [protocol="fineoffset",model="temperaturehumidity",name="temperaturehumidity:120",deviceId="120_temperaturehumidity_fineoffset"]
}

# tellstick.items

Number OutsideSensor1_Temperture <temperature> { channel="tellstick:sensor:tellstickgateway:OutsideSensor1:temperature"}
Number OutsideSensor1_Humidity <humidity> { channel="tellstick:sensor:tellstickgateway:OutsideSensor1:humidity"}

Switch LivingTV_Power <screen> { channel="tellstick:switch:tellstickgateway:LivingTV:switch"}
Dimmer BedroomCeilingLamp1_Brightness <lightbulb> { channel="tellstick:dimmer:tellstickgateway:BedroomCeilingLamp1:dimmer"}
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