/**
* Copyright (c) 2010-2014, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.binding.zwave.internal.protocol.commandclass;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.openhab.binding.zwave.internal.protocol.NodeStage;
import org.openhab.binding.zwave.internal.protocol.SerialMessage;
import org.openhab.binding.zwave.internal.protocol.SerialMessage.SerialMessageClass;
import org.openhab.binding.zwave.internal.protocol.SerialMessage.SerialMessagePriority;
import org.openhab.binding.zwave.internal.protocol.SerialMessage.SerialMessageType;
import org.openhab.binding.zwave.internal.protocol.ZWaveController;
import org.openhab.binding.zwave.internal.protocol.ZWaveEndpoint;
import org.openhab.binding.zwave.internal.protocol.ZWaveNode;
import org.openhab.binding.zwave.internal.protocol.event.ZWaveCommandClassValueEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.thoughtworks.xstream.annotations.XStreamAlias;
/**
* Handles the Thermostat FanMode command class.
* @author Dan Cunningham
* @since 1.6.0
*/
@XStreamAlias("thermostatFanModeCommandClass")
public class ZWaveThermostatFanModeCommandClass extends ZWaveCommandClass
implements ZWaveBasicCommands, ZWaveCommandClassInitialization,
ZWaveCommandClassDynamicState {
private static final Logger logger = LoggerFactory.getLogger(ZWaveThermostatFanModeCommandClass.class);
private static final byte THERMOSTAT_FAN_MODE_SET = 0x1;
private static final byte THERMOSTAT_FAN_MODE_GET = 0x2;
private static final byte THERMOSTAT_FAN_MODE_REPORT = 0x3;
private static final byte THERMOSTAT_FAN_MODE_SUPPORTED_GET = 0x4;
private static final byte THERMOSTAT_FAN_MODE_SUPPORTED_REPORT = 0x5;
private final Set<FanModeType> fanModeTypes = new HashSet<FanModeType>();
/**
* Creates a new instance of the ZWaveThermostatFanModeCommandClass class.
* @param node the node this command class belongs to
* @param controller the controller to use
* @param endpoint the endpoint this Command class belongs to
*/
public ZWaveThermostatFanModeCommandClass(ZWaveNode node,
ZWaveController controller, ZWaveEndpoint endpoint) {
super(node, controller, endpoint);
}
/**
* {@inheritDoc}
*/
@Override
public CommandClass getCommandClass() {
return CommandClass.THERMOSTAT_FAN_MODE;
}
/**
* {@inheritDoc}
*/
@Override
public int getMaxVersion() {
return 2;
}
/**
* {@inheritDoc}
*/
@Override
public void handleApplicationCommandRequest(SerialMessage serialMessage,
int offset, int endpoint) {
logger.debug("NODE {}: Received Thermostat Fan Mode Request", this.getNode().getNodeId());
int command = serialMessage.getMessagePayloadByte(offset);
switch (command) {
case THERMOSTAT_FAN_MODE_SET:
case THERMOSTAT_FAN_MODE_GET:
case THERMOSTAT_FAN_MODE_SUPPORTED_GET:
logger.warn("NODE {}: Command {} not implemented.",
this.getNode().getNodeId(),command);
return;
case THERMOSTAT_FAN_MODE_SUPPORTED_REPORT:
logger.debug("NODE {}: Process Thermostat Supported Fan Mode Report", this.getNode().getNodeId());
int payloadLength = serialMessage.getMessagePayload().length;
for(int i = offset + 1; i < payloadLength; ++i ) {
int bitMask = serialMessage.getMessagePayloadByte(i);
for(int bit = 0; bit < 8; ++bit) {
if ( (bitMask & (1 << bit) ) == 0 )
continue;
int index = ((i - (offset + 1)) * 8 ) + bit;
if(index >= FanModeType.values().length)
continue;
logger.debug("NODE {}: looking up Fan Mode type {}", this.getNode().getNodeId(), index);
// (n)th bit is set. n is the index for the fanMode type enumeration.
FanModeType fanModeTypeToAdd = FanModeType.getFanModeType(index);
if(fanModeTypeToAdd != null){
this.fanModeTypes.add(fanModeTypeToAdd);
logger.debug("NODE {}: Added Fan Mode type {} ({})", this.getNode().getNodeId(), fanModeTypeToAdd.getLabel(), index);
} else {
logger.warn("NODE {}: Uknown fan mode type {}", this.getNode().getNodeId(), index);
}
}
}
this.getNode().advanceNodeStage(NodeStage.DYNAMIC);
break;
case THERMOSTAT_FAN_MODE_REPORT:
logger.trace("NODE {}: Process Thermostat Fan Mode Report",this.getNode().getNodeId());
processThermostatFanModeReport(serialMessage, offset, endpoint);
if (this.getNode().getNodeStage() != NodeStage.DONE)
this.getNode().advanceNodeStage(NodeStage.DONE);
break;
default:
logger.warn("NODE {}: Unsupported Command {} for command class {} ({}).",
this.getNode().getNodeId(),
command,
this.getCommandClass().getLabel(),
this.getCommandClass().getKey());
}
}
/**
* Processes a THERMOSTAT_FAN_MODE_REPORT message.
* @param serialMessage the incoming message to process.
* @param offset the offset position from which to start message processing.
* @param endpoint the endpoint or instance number this message is meant for.
*/
protected void processThermostatFanModeReport(SerialMessage serialMessage, int offset,
int endpoint) {
int value = serialMessage.getMessagePayloadByte(offset + 1);
logger.debug("NODE {}: Thermostat Fan Mode report value = {}", this.getNode().getNodeId(), value);
FanModeType fanModeType = FanModeType.getFanModeType(value);
if (fanModeType == null) {
logger.error("NODE {}: Unknown Fan Mode Type = {}, ignoring report.", this.getNode().getNodeId(),value);
return;
}
// fanMode type seems to be supported, add it to the list.
if (!this.fanModeTypes.contains(fanModeType))
this.fanModeTypes.add(fanModeType);
logger.debug("NODE {}: Thermostat Fan Mode Report value = {}", this.getNode().getNodeId(), fanModeType.getLabel());
ZWaveCommandClassValueEvent zEvent = new ZWaveCommandClassValueEvent(this.getNode().getNodeId(), endpoint, this.getCommandClass(), new BigDecimal(value));
this.getController().notifyEventListeners(zEvent);
}
/**
* {@inheritDoc}
*/
@Override
public Collection<SerialMessage> initialize() {
ArrayList<SerialMessage> result = new ArrayList<SerialMessage>();
result.add(this.getSupportedMessage());
return result;
}
/**
* {@inheritDoc}
*/
@Override
public Collection<SerialMessage> getDynamicValues() {
ArrayList<SerialMessage> result = new ArrayList<SerialMessage>();
result.add(getValueMessage());
return result;
}
/**
* {@inheritDoc}
*/
@Override
public SerialMessage getValueMessage() {
logger.debug("NODE {}: Creating new message for application command THERMOSTAT_FAN_MODE_GET", this.getNode().getNodeId());
SerialMessage result = new SerialMessage(this.getNode().getNodeId(), SerialMessageClass.SendData, SerialMessageType.Request, SerialMessageClass.SendData, SerialMessagePriority.Get);
byte[] payload = {
(byte) this.getNode().getNodeId(),
2,
(byte) getCommandClass().getKey(),
THERMOSTAT_FAN_MODE_GET
};
result.setMessagePayload(payload);
return result;
}
/**
* Gets a SerialMessage with the THERMOSTAT_FAN_MODE_SUPPORTED_GET command
* @return the serial message, or null if the supported command is not supported.
*/
public SerialMessage getSupportedMessage() {
logger.debug("NODE {}: Creating new message for application command THERMOSTAT_FAN_MODE_SUPPORTED_GET", this.getNode().getNodeId());
SerialMessage result = new SerialMessage(this.getNode().getNodeId(), SerialMessageClass.SendData, SerialMessageType.Request, SerialMessageClass.ApplicationCommandHandler, SerialMessagePriority.High);
byte[] newPayload = { (byte) this.getNode().getNodeId(),
2,
(byte) getCommandClass().getKey(),
(byte) THERMOSTAT_FAN_MODE_SUPPORTED_GET };
result.setMessagePayload(newPayload);
return result;
}
/**
* {@inheritDoc}
*/
@Override
public SerialMessage setValueMessage(int value) {
if(fanModeTypes.isEmpty())
return this.getSupportedMessage();
if(!fanModeTypes.contains(FanModeType.getFanModeType(value))){
logger.error("NODE {}: Unsupported fanMode type {}", value, this.getNode().getNodeId());
return null;
}
logger.debug("NODE {}: Creating new message for application command THERMOSTAT_FAN_MODE_SET", this.getNode().getNodeId());
SerialMessage result = new SerialMessage(this.getNode().getNodeId(), SerialMessageClass.SendData, SerialMessageType.Request, SerialMessageClass.SendData, SerialMessagePriority.Set);
byte[] newPayload = { (byte) this.getNode().getNodeId(),
3,
(byte) getCommandClass().getKey(),
(byte) THERMOSTAT_FAN_MODE_SET,
(byte) value
};
result.setMessagePayload(newPayload);
return result;
}
/**
* Z-Wave FanModeType enumeration. The fanMode type indicates the type
* of fanMode that is reported.
* @author Dan Cunningham
* @since 1.6.0
*/
@XStreamAlias("fanModeType")
public enum FanModeType
{
AUTO_LOW(0,"Auto Low"),
ON_LOW(1,"On Low"),
AUTO_HIGH(2,"Auto High"),
ON_HIGH(3,"On High"),
UNKNOWN_4(4,"Unknown 4"),
UNKNOWN_5(5,"Unknown 5"),
CIRCULATE(6,"Circulate");
/**
* A mapping between the integer code and its corresponding fan mode type
* to facilitate lookup by code.
*/
private static Map<Integer, FanModeType> codeToFanModeTypeMapping;
private int key;
private String label;
private FanModeType(int key, String label) {
this.key = key;
this.label = label;
}
private static void initMapping() {
codeToFanModeTypeMapping = new HashMap<Integer, FanModeType>();
for (FanModeType s : values()) {
codeToFanModeTypeMapping.put(s.key, s);
}
}
/**
* Lookup function based on the fan mode type code.
* Returns null if the code does not exist.
* @param i the code to lookup
* @return enumeration value of the fan mode type.
*/
public static FanModeType getFanModeType(int i) {
if (codeToFanModeTypeMapping == null) {
initMapping();
}
return codeToFanModeTypeMapping.get(i);
}
/**
* @return the key
*/
public int getKey() {
return key;
}
/**
* @return the label
*/
public String getLabel() {
return label;
}
}
}