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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.omnikinverter.internal.handler;
  14
  15 import java.io.IOException;
  16 import java.net.ConnectException;
  17 import java.net.NoRouteToHostException;
  18 import java.net.UnknownHostException;
  19 import java.util.concurrent.ScheduledFuture;
  20 import java.util.concurrent.TimeUnit;
  21
  22 import javax.measure.quantity.ElectricCurrent;
  23 import javax.measure.quantity.ElectricPotential;
  24 import javax.measure.quantity.Power;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.openhab.binding.omnikinverter.internal.OmnikInverter;
  29 import org.openhab.binding.omnikinverter.internal.OmnikInverterBindingConstants;
  30 import org.openhab.binding.omnikinverter.internal.OmnikInverterConfiguration;
  31 import org.openhab.binding.omnikinverter.internal.OmnikInverterMessage;
  32 import org.openhab.core.library.types.QuantityType;
  33 import org.openhab.core.library.unit.Units;
  34 import org.openhab.core.thing.ChannelUID;
  35 import org.openhab.core.thing.Thing;
  36 import org.openhab.core.thing.ThingStatus;
  37 import org.openhab.core.thing.ThingStatusDetail;
  38 import org.openhab.core.thing.binding.BaseThingHandler;
  39 import org.openhab.core.types.Command;
  40 import org.openhab.core.types.RefreshType;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 /**
  45  * The {@link OmnikInverterHandler} is responsible for handling commands, which are
  46  * sent to one of the channels.
  47  *
  48  * @author Hans van den Bogert - Initial contribution
  49  */
  50 @NonNullByDefault
  51 public class OmnikInverterHandler extends BaseThingHandler {
  52     private final Logger logger = LoggerFactory.getLogger(OmnikInverterHandler.class);
  53
  54     private @Nullable OmnikInverter inverter;
  55     private @Nullable ScheduledFuture<?> pollJob;
  56
  57     public OmnikInverterHandler(Thing thing) {
  58         super(thing);
  59     }
  60
  61     @Override
  62     public void handleCommand(ChannelUID channelUID, Command command) {
  63         // All channels depend on data gotten from `updateData()`
  64         if (command instanceof RefreshType) {
  65             updateData();
  66         }
  67     }
  68
  69     @Override
  70     public void initialize() {
  71         OmnikInverterConfiguration config = getConfigAs(OmnikInverterConfiguration.class);
  72
  73         inverter = new OmnikInverter(config.hostname, config.port, config.serial);
  74         updateStatus(ThingStatus.UNKNOWN);
  75         pollJob = scheduler.scheduleWithFixedDelay(this::updateData, 0, 10, TimeUnit.SECONDS);
  76     }
  77
  78     @Override
  79     public void dispose() {
  80         ScheduledFuture<?> pollJob = this.pollJob;
  81         if (pollJob != null) {
  82             pollJob.cancel(true);
  83             this.pollJob = null;
  84         }
  85         super.dispose();
  86     }
  87
  88     private void updateData() {
  89         try {
  90             if (inverter != null) {
  91                 OmnikInverterMessage message = inverter.pullCurrentStats();
  92
  93                 updateStatus(ThingStatus.ONLINE);
  94
  95                 QuantityType<Power> powerQuantity = new QuantityType<>(message.getPower(), Units.WATT);
  96                 updateState(OmnikInverterBindingConstants.CHANNEL_POWER, powerQuantity);
  97
  98                 QuantityType<Power> powerQuantity1 = new QuantityType<>(message.getPowerAC1(), Units.WATT);
  99                 updateState(OmnikInverterBindingConstants.CHANNEL_POWER_AC1, powerQuantity1);
 100
 101                 QuantityType<Power> powerQuantity2 = new QuantityType<>(message.getPowerAC2(), Units.WATT);
 102                 updateState(OmnikInverterBindingConstants.CHANNEL_POWER_AC2, powerQuantity2);
 103
 104                 QuantityType<Power> powerQuantity3 = new QuantityType<>(message.getPowerAC3(), Units.WATT);
 105                 updateState(OmnikInverterBindingConstants.CHANNEL_POWER_AC3, powerQuantity3);
 106
 107                 QuantityType<ElectricCurrent> pvAmp1 = new QuantityType<>(message.getCurrentPV1(), Units.AMPERE);
 108                 updateState(OmnikInverterBindingConstants.CHANNEL_CURRENT_PV1, pvAmp1);
 109
 110                 QuantityType<ElectricCurrent> pvAmp2 = new QuantityType<>(message.getCurrentPV2(), Units.AMPERE);
 111                 updateState(OmnikInverterBindingConstants.CHANNEL_CURRENT_PV2, pvAmp2);
 112
 113                 QuantityType<ElectricCurrent> pvAmp3 = new QuantityType<>(message.getCurrentPV3(), Units.AMPERE);
 114                 updateState(OmnikInverterBindingConstants.CHANNEL_CURRENT_PV3, pvAmp3);
 115
 116                 QuantityType<ElectricPotential> pvVoltage1 = new QuantityType<>(message.getVoltagePV1(), Units.VOLT);
 117                 updateState(OmnikInverterBindingConstants.CHANNEL_VOLTAGE_PV1, pvVoltage1);
 118
 119                 QuantityType<ElectricPotential> pvVoltage2 = new QuantityType<>(message.getVoltagePV2(), Units.VOLT);
 120                 updateState(OmnikInverterBindingConstants.CHANNEL_VOLTAGE_PV2, pvVoltage2);
 121
 122                 QuantityType<ElectricPotential> pvVoltage3 = new QuantityType<>(message.getVoltagePV3(), Units.VOLT);
 123                 updateState(OmnikInverterBindingConstants.CHANNEL_VOLTAGE_PV3, pvVoltage3);
 124
 125                 updateState(OmnikInverterBindingConstants.CHANNEL_ENERGY_TODAY,
 126                         new QuantityType<>(message.getEnergyToday(), Units.KILOWATT_HOUR));
 127
 128                 updateState(OmnikInverterBindingConstants.CHANNEL_ENERGY_TOTAL,
 129                         new QuantityType<>(message.getTotalEnergy(), Units.KILOWATT_HOUR));
 130             }
 131         } catch (UnknownHostException | NoRouteToHostException | ConnectException e) {
 132             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
 133         } catch (IOException e) {
 134             logger.debug("Unknown exception when pulling data from the inverter: {}", e.getMessage());
 135             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.NONE, "Unknown error: " + e.getMessage());
 136         }
 137     }
 138 }