Add experimental support for eltako_fhk

#3

src/EltakoBlindsAccessory.ts

@@ -17,7 +17,6 @@ export class EltakoBlindsAccessory implements IUpdatableAccessory {
 
     // https://developers.homebridge.io/#/service/WindowCovering
     const serviceType = this.platform.Service.WindowCovering;
-
     this.service = this.accessory.getService(serviceType) || this.accessory.addService(serviceType);
 
     this.service.setCharacteristic(this.platform.Characteristic.Name, accessory.context.device.name);

src/EltakoDimmerAccessory.ts

@@ -17,7 +17,6 @@ export class EltakoDimmerAccessory implements IUpdatableAccessory {
 
     // https://developers.homebridge.io/#/service/Lightbulb
     const serviceType = this.platform.Service.Lightbulb;
-
     this.service = this.accessory.getService(serviceType) || this.accessory.addService(serviceType);
 
     this.service.setCharacteristic(this.platform.Characteristic.Name, accessory.context.device.name);

src/EltakoSwitchAccessory.ts

@@ -18,7 +18,6 @@ export class EltakoSwitchAccessory implements IUpdatableAccessory {
     // https://developers.homebridge.io/#/service/Lightbulb
     // https://developers.homebridge.io/#/service/Switch
     const serviceType = accessory.context.device.info._target === 'light' ? this.platform.Service.Lightbulb : this.platform.Service.Switch;
-
     this.service = this.accessory.getService(serviceType) || this.accessory.addService(serviceType);
 
     this.service.setCharacteristic(this.platform.Characteristic.Name, accessory.context.device.name);

src/EltakoThermostatAccessory.ts

@@ -0,0 +1,71 @@
+import { Service, PlatformAccessory, CharacteristicValue } from 'homebridge';
+import { EltakoMiniSafe2Platform } from './platform';
+import { IUpdatableAccessory } from './IUpdatableAccessory';
+
+export class EltakoThermostatAccessory implements IUpdatableAccessory {
+  private service: Service;
+
+  constructor(
+    private readonly platform: EltakoMiniSafe2Platform,
+    public readonly accessory: PlatformAccessory,
+  ) {
+
+    this.accessory.getService(this.platform.Service.AccessoryInformation)!
+      .setCharacteristic(this.platform.Characteristic.Manufacturer, accessory.context.device.info.vendor)
+      .setCharacteristic(this.platform.Characteristic.Model, accessory.context.device.info.data)
+      .setCharacteristic(this.platform.Characteristic.SerialNumber, accessory.context.device.info.address);
+
+    // https://developers.homebridge.io/#/service/Thermostat
+    const serviceType = this.platform.Service.Thermostat;
+    this.service = this.accessory.getService(serviceType) || this.accessory.addService(serviceType);
+
+    this.service.setCharacteristic(this.platform.Characteristic.Name, accessory.context.device.name);
+
+    this.service.getCharacteristic(this.platform.Characteristic.CurrentTemperature)
+      .onGet(this.getCurrentTemperature.bind(this));
+
+    this.service.getCharacteristic(this.platform.Characteristic.CurrentHeatingCoolingState)
+      .onGet(this.getCurrentHeatingCoolingState.bind(this));
+
+    this.service.getCharacteristic(this.platform.Characteristic.TemperatureDisplayUnits)
+      .onGet(this.getTemperatureDisplayUnits.bind(this));
+  }
+
+  getCurrentTemperature(): CharacteristicValue {
+    const state = this.platform.deviceStateCache.find(s => s.sid === this.accessory.context.device.info.sid);
+    return state?.state?.temperature ?? 0;
+  }
+
+  getCurrentHeatingCoolingState(): CharacteristicValue {
+
+    const state = this.platform.deviceStateCache.find(s => s.sid === this.accessory.context.device.info.sid);
+    const mode = state?.state?.operation_mode ?? '';
+
+    // return OFF/HEAT/COOL
+    // possible states? What about COOL?!
+
+    if (mode === 'off') {
+      return this.platform.Characteristic.CurrentHeatingCoolingState.OFF;
+    }
+
+    return this.platform.Characteristic.CurrentHeatingCoolingState.HEAT;
+  }
+
+  getTemperatureDisplayUnits(): CharacteristicValue {
+    return this.platform.Characteristic.TemperatureDisplayUnits.CELSIUS;
+  }
+
+  update() {
+    this.service
+      .getCharacteristic(this.platform.Characteristic.CurrentTemperature)
+      .updateValue(this.getCurrentTemperature());
+
+    this.service
+      .getCharacteristic(this.platform.Characteristic.CurrentHeatingCoolingState)
+      .updateValue(this.getCurrentHeatingCoolingState());
+
+    this.service
+      .getCharacteristic(this.platform.Characteristic.TemperatureDisplayUnits)
+      .updateValue(this.getTemperatureDisplayUnits());
+  }
+}

src/models.ts

@@ -17,6 +17,7 @@ export class DeviceState {
   s3?: number;
   level?: number;
   state?: string;
+  operation_mode?: string;
 }
 
 export interface Device {

src/platform.ts

@@ -10,6 +10,7 @@ import { MiniSafe2Api } from './MiniSafe2Api';
 import { Device } from './models';
 import { getChangedDeviceAddresses } from './StateChangeDetector';
 import { IUpdatableAccessory } from './IUpdatableAccessory';
+import { EltakoThermostatAccessory } from './EltakoThermostatAccessory';
 
 /**
  * HomebridgePlatform
@@ -189,6 +190,10 @@ export class EltakoMiniSafe2Platform implements DynamicPlatformPlugin {
             instance = new EltakoLightSensorAccessory(this, existingAccessory);
             break;
           }
+          case 'eltako_fhk': {
+            instance = new EltakoThermostatAccessory(this, existingAccessory);
+            break;
+          }
         }
 
         if (instance) {
@@ -238,6 +243,10 @@ export class EltakoMiniSafe2Platform implements DynamicPlatformPlugin {
             instance = new EltakoLightSensorAccessory(this, accessory);
             break;
           }
+          case 'eltako_fhk': {
+            instance = new EltakoThermostatAccessory(this, accessory);
+            break;
+          }
         }
 
         if (instance) {