/**
* 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 power message.
*
* @author Damien Servant
* @since 1.9.0
*/
public class RFXComPowerMessage extends RFXComBaseMessage {
/*
* Power packet layout (length 16) - ELEC5
*
* packetlength = 0
* packettype = 1
* subtype = 2
* seqnbr = 3
* id1 = 4
* id2 = 5
* voltage = 6
* currentH = 7
* currentL = 8
* powerH = 9
* powerL = 10
* energyH = 11
* energyL = 12
* pf = 13
* freq = 14
* battery_level = 15 //bits 3-0
* signal_level = 15 //bits 7-4
*/
public enum SubType {
ELEC5(1), // Revolt
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.VOLTAGE,
RFXComValueSelector.INSTANT_AMPS, RFXComValueSelector.INSTANT_POWER, RFXComValueSelector.INSTANT_ENERGY,
RFXComValueSelector.POWER_FACTOR, RFXComValueSelector.FREQUENCY);
public SubType subType = SubType.UNKNOWN;
public int sensorId = 0;
public byte count = 0;
public int voltage = 0;
public double instantAmps = 0;
public double instantPower = 0;
public double instantEnergy = 0;
public double powerFactor = 0;
public int frequency = 0;
public byte signalLevel = 0;
public byte batteryLevel = 0;
public RFXComPowerMessage() {
packetType = PacketType.POWER;
}
public RFXComPowerMessage(byte[] data) {
encodeMessage(data);
}
@Override
public String toString() {
String str = "";
str += super.toString();
str += "\n - Sub type = " + subType;
str += "\n - Id = " + sensorId;
str += "\n - Count = " + count;
str += "\n - Voltage = " + voltage;
str += "\n - Instant Amps = " + instantAmps;
str += "\n - Instant Power = " + instantPower;
str += "\n - Instant Energy = " + instantEnergy;
str += "\n - Power Factor = " + powerFactor;
str += "\n - Frequency = " + frequency;
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);
voltage = (data[6] & 0xFF);
instantAmps = ((data[7] & 0xFF) << 8 | (data[8] & 0xFF)) / 100.0; // Current = Field / 100
instantPower = ((data[9] & 0xFF) << 8 | (data[10] & 0xFF)) / 10.0; // Watt
instantEnergy = ((data[11] & 0xFF) << 8 | (data[12] & 0xFF)) / 100.0; // kWh
powerFactor = data[13] / 100.0;
frequency = data[14];
signalLevel = (byte) ((data[15] & 0xF0) >> 4);
batteryLevel = (byte) (data[15] & 0x0F);
}
@Override
public byte[] decodeMessage() {
byte[] data = new byte[16];
data[0] = 0x0F;
data[1] = RFXComBaseMessage.PacketType.POWER.toByte();
data[2] = subType.toByte();
data[3] = seqNbr;
data[4] = (byte) ((sensorId & 0xFF00) >> 8);
data[5] = (byte) (sensorId & 0x00FF);
data[6] = (byte) voltage;
data[7] = (byte) (((int) (instantAmps * 100.0) >> 8) & 0xFF);
data[8] = (byte) ((int) (instantAmps * 100.0) & 0xFF);
data[9] = (byte) (((int) (instantPower * 10.0) >> 8) & 0xFF);
data[10] = (byte) ((int) (instantPower * 10.0) & 0xFF);
data[11] = (byte) (((int) (instantEnergy * 100.0) >> 8) & 0xFF);
data[12] = (byte) ((int) (instantEnergy * 100.0) & 0xFF);
data[13] = (byte) ((int) (powerFactor * 100.0) & 0xFF);
data[14] = (byte) frequency;
data[15] = (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.VOLTAGE) {
state = new DecimalType(voltage);
} else if (valueSelector == RFXComValueSelector.INSTANT_AMPS) {
state = new DecimalType(instantAmps);
} else if (valueSelector == RFXComValueSelector.INSTANT_POWER) {
state = new DecimalType(instantPower);
} else if (valueSelector == RFXComValueSelector.INSTANT_ENERGY) {
state = new DecimalType(instantEnergy);
} else if (valueSelector == RFXComValueSelector.POWER_FACTOR) {
state = new DecimalType(powerFactor);
} else if (valueSelector == RFXComValueSelector.FREQUENCY) {
state = new DecimalType(frequency);
} 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;
}
}