/**
* Copyright (c) 2010-2016 by the respective copyright holders.
*
* 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.rfxcom.internal.messages;
import java.util.Arrays;
import java.util.List;
import javax.xml.bind.DatatypeConverter;
import org.openhab.binding.rfxcom.RFXComValueSelector;
import org.openhab.binding.rfxcom.internal.RFXComException;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.StringItem;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.library.types.StringType;
import org.openhab.core.types.State;
import org.openhab.core.types.Type;
import org.openhab.core.types.UnDefType;
/**
* RFXCOM data class for Temperature and Rain message.
*
* @author Damien Servant
* @since 1.9.0
*/
public class RFXComTemperatureRainMessage extends RFXComBaseMessage {
public enum SubType {
WS1200(1),
UNKNOWN(255);
private final int subType;
SubType(int subType) {
this.subType = subType;
}
SubType(byte subType) {
this.subType = subType;
}
public byte toByte() {
return (byte) subType;
}
public static SubType fromByte(int input) {
for (SubType c : SubType.values()) {
if (c.subType == input) {
return c;
}
}
return SubType.UNKNOWN;
}
}
private final static List<RFXComValueSelector> supportedValueSelectors = Arrays.asList(RFXComValueSelector.RAW_DATA,
RFXComValueSelector.SIGNAL_LEVEL, RFXComValueSelector.BATTERY_LEVEL, RFXComValueSelector.TEMPERATURE,
RFXComValueSelector.RAIN_TOTAL);
public SubType subType = SubType.UNKNOWN;
public int sensorId = 0;
public double temperature = 0.0;
public double rainTotal = 0.0;
public byte signalLevel = 0;
public byte batteryLevel = 0;
public RFXComTemperatureRainMessage() {
packetType = PacketType.TEMPERATURE_RAIN;
}
public RFXComTemperatureRainMessage(byte[] data) {
encodeMessage(data);
}
@Override
public String toString() {
String str = "";
str += super.toString();
str += "\n - Sub type = " + subType;
str += "\n - Id = " + sensorId;
str += "\n - Temperature = " + temperature;
str += "\n - Rain total = " + rainTotal;
str += "\n - Signal level = " + signalLevel;
str += "\n - Battery level = " + batteryLevel;
return str;
}
@Override
public void encodeMessage(byte[] data) {
super.encodeMessage(data);
subType = SubType.fromByte(super.subType);
sensorId = (data[4] & 0xFF) << 8 | (data[5] & 0xFF);
temperature = (short) ((data[6] & 0x7F) << 8 | (data[7] & 0xFF)) * 0.1;
if ((data[6] & 0x80) != 0) {
temperature = -temperature;
}
rainTotal = (short) ((data[8] & 0xFF) << 8 | (data[9] & 0xFF)) * 0.1;
signalLevel = (byte) ((data[10] & 0xF0) >> 4);
batteryLevel = (byte) (data[10] & 0x0F);
}
@Override
public byte[] decodeMessage() {
byte[] data = new byte[11];
data[0] = (byte) (data.length - 1);
data[1] = RFXComBaseMessage.PacketType.TEMPERATURE_RAIN.toByte();
data[2] = subType.toByte();
data[3] = seqNbr;
data[4] = (byte) ((sensorId & 0xFF00) >> 8);
data[5] = (byte) (sensorId & 0x00FF);
short temp = (short) Math.abs(temperature * 10);
data[6] = (byte) ((temp >> 8) & 0xFF);
data[7] = (byte) (temp & 0xFF);
if (temperature < 0) {
data[6] |= 0x80;
}
short rainT = (short) Math.abs(rainTotal * 10);
data[8] = (byte) ((rainT >> 8) & 0xFF);
data[9] = (byte) (rainT & 0xFF);
data[10] = (byte) (((signalLevel & 0x0F) << 4) | (batteryLevel & 0x0F));
return data;
}
@Override
public String generateDeviceId() {
return String.valueOf(sensorId);
}
@Override
public State convertToState(RFXComValueSelector valueSelector) throws RFXComException {
org.openhab.core.types.State state = UnDefType.UNDEF;
if (valueSelector.getItemClass() == NumberItem.class) {
if (valueSelector == RFXComValueSelector.SIGNAL_LEVEL) {
state = new DecimalType(signalLevel);
} else if (valueSelector == RFXComValueSelector.BATTERY_LEVEL) {
state = new DecimalType(batteryLevel);
} else if (valueSelector == RFXComValueSelector.TEMPERATURE) {
state = new DecimalType(temperature);
} else if (valueSelector == RFXComValueSelector.RAIN_TOTAL) {
state = new DecimalType(rainTotal);
} else {
throw new RFXComException("Can't convert " + valueSelector + " to NumberItem");
}
} else if (valueSelector.getItemClass() == StringItem.class) {
if (valueSelector == RFXComValueSelector.RAW_DATA) {
state = new StringType(DatatypeConverter.printHexBinary(rawMessage));
} else {
throw new RFXComException("Can't convert " + valueSelector + " to StringItem");
}
} else {
throw new RFXComException("Can't convert " + valueSelector + " to " + valueSelector.getItemClass());
}
return state;
}
@Override
public void convertFromState(RFXComValueSelector valueSelector, String id, Object subType, Type type,
byte seqNumber) throws RFXComException {
throw new RFXComException("Not supported");
}
@Override
public Object convertSubType(String subType) throws RFXComException {
for (SubType s : SubType.values()) {
if (s.toString().equals(subType)) {
return s;
}
}
throw new RFXComException("Unknown sub type " + subType);
}
@Override
public List<RFXComValueSelector> getSupportedValueSelectors() throws RFXComException {
return supportedValueSelectors;
}
}