added variable based thermostat

Author: thkl

lib/services/HomeMaticVarBasedThermometerAccessory.js

@@ -0,0 +1,56 @@
+const path = require('path')
+const HomeMaticAccessory = require(path.join(__dirname, 'HomeMaticAccessory.js'))
+
+class HomeMaticVarBasedThermometerAccessory extends HomeMaticAccessory {
+  publishServices (Service, Characteristic) {
+    let self = this
+    this.temperature = this.getService(Service.TemperatureSensor)
+    this.enableLoggingService('weather')
+
+    this.cctemp = this.temperature.getCharacteristic(Characteristic.CurrentTemperature)
+      .setProps({
+        minValue: -100
+      })
+      .on('get', async (callback) => {
+        let newValue = await self._ccu.getVariableValue(self._serial)
+        if (callback) callback(null, parseFloat(newValue))
+      })
+
+    this.cctemp.eventEnabled = true
+    this.queryData()
+  }
+
+  async queryData () {
+    var self = this
+    let newValue = await this._ccu.getVariableValue(this._serial)
+    if (this.cctemp) {
+      this.cctemp.updateValue(parseFloat(newValue), null)
+      this.addLogEntry({temp: parseFloat(newValue), pressure: 0, humidity: 0})
+    }
+
+    this.refreshTimer = setTimeout(() => {
+      self.queryData()
+    }, 10 * 60 * 1000)
+  }
+
+  updateVariable () {
+    this.queryData()
+  }
+
+  shutdown () {
+    this.log.debug('[VBT] shutdown')
+    super.shutdown()
+    clearTimeout(this.refreshTimer)
+  }
+
+  static channelTypes () {
+    return ['VARIABLE']
+  }
+
+  static configurationItems () {
+    return {
+    }
+  }
+}
+
+module.exports = HomeMaticVarBasedThermometerAccessory