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   1 /**
   2  * Copyright (c) 2010-2021 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.lutron.internal.radiora.handler;
  14
  15 import java.util.concurrent.ScheduledFuture;
  16 import java.util.concurrent.TimeUnit;
  17
  18 import org.openhab.binding.lutron.internal.radiora.RS232Connection;
  19 import org.openhab.binding.lutron.internal.radiora.RadioRAConnection;
  20 import org.openhab.binding.lutron.internal.radiora.RadioRAConnectionException;
  21 import org.openhab.binding.lutron.internal.radiora.RadioRAFeedbackListener;
  22 import org.openhab.binding.lutron.internal.radiora.config.RS232Config;
  23 import org.openhab.binding.lutron.internal.radiora.protocol.RadioRACommand;
  24 import org.openhab.binding.lutron.internal.radiora.protocol.RadioRAFeedback;
  25 import org.openhab.binding.lutron.internal.radiora.protocol.ZoneMapInquiryCommand;
  26 import org.openhab.core.io.transport.serial.SerialPortManager;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.ChannelUID;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingStatus;
  31 import org.openhab.core.thing.ThingStatusDetail;
  32 import org.openhab.core.thing.binding.BaseBridgeHandler;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.types.Command;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * The {@link RS232Handler} is responsible for handling commands, which are
  40  * sent to one of the channels.
  41  *
  42  * @author Jeff Lauterbach - Initial contribution
  43  */
  44 public class RS232Handler extends BaseBridgeHandler implements RadioRAFeedbackListener {
  45
  46     private Logger logger = LoggerFactory.getLogger(RS232Handler.class);
  47
  48     private RadioRAConnection connection;
  49
  50     private ScheduledFuture<?> zoneMapScheduledTask;
  51
  52     public RS232Handler(Bridge bridge, SerialPortManager serialPortManager) {
  53         super(bridge);
  54
  55         this.connection = new RS232Connection(serialPortManager);
  56         this.connection.setListener(this);
  57     }
  58
  59     @Override
  60     public void dispose() {
  61         if (zoneMapScheduledTask != null) {
  62             zoneMapScheduledTask.cancel(true);
  63         }
  64
  65         if (connection != null) {
  66             connection.disconnect();
  67         }
  68     }
  69
  70     @Override
  71     public void initialize() {
  72         connectToRS232();
  73
  74         scheduleZoneMapQuery();
  75     }
  76
  77     protected void connectToRS232() {
  78         RS232Config config = getConfigAs(RS232Config.class);
  79         String portName = config.getPortName();
  80         int baud = config.getBaud();
  81
  82         logger.debug("Attempting to connect to RS232 on port {}", portName);
  83
  84         try {
  85             connection.open(portName, baud);
  86         } catch (RadioRAConnectionException e) {
  87             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.HANDLER_INITIALIZING_ERROR, e.getMessage());
  88             return;
  89         }
  90
  91         logger.debug("Connected successfully");
  92
  93         updateStatus(ThingStatus.ONLINE);
  94     }
  95
  96     protected void scheduleZoneMapQuery() {
  97         RS232Config config = getConfigAs(RS232Config.class);
  98         logger.debug("Scheduling zone map query at {} second inverval", config.getZoneMapQueryInterval());
  99
 100         Runnable task = () -> sendCommand(new ZoneMapInquiryCommand());
 101
 102         zoneMapScheduledTask = this.scheduler.scheduleWithFixedDelay(task, 3, config.getZoneMapQueryInterval(),
 103                 TimeUnit.SECONDS);
 104     }
 105
 106     public void sendCommand(RadioRACommand command) {
 107         connection.write(command.toString());
 108     }
 109
 110     @Override
 111     public void handleCommand(ChannelUID channelUID, Command command) {
 112     }
 113
 114     @Override
 115     public void handleRadioRAFeedback(RadioRAFeedback feedback) {
 116         for (Thing thing : getThing().getThings()) {
 117             ThingHandler handler = thing.getHandler();
 118             if (handler instanceof LutronHandler) {
 119                 ((LutronHandler) handler).handleFeedback(feedback);
 120             } else {
 121                 logger.debug("Unexpected - Thing {} is not a LutronHandler", thing.getClass());
 122             }
 123         }
 124     }
 125 }