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ZWaveMessage.cs
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ZWaveMessage.cs
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/*
* ZSharp - C# Z-Wave Implementation
* HiØ 2011
* H11D13 / iAutomation@Home
* Author: thomrand
*/
using System.Collections.Generic;
namespace iAutomationAtHome.ZSharp
{
/// <summary>
/// Description of ZWaveRequest.
/// </summary>
internal class ZWaveMessage
{
private bool _raw = false;
private byte _messageType;
public byte MessageType
{
get
{
return this._messageType;
}
}
private byte _function;
public byte Function
{
get
{
return this._function;
}
}
private byte _nodeId;
public byte NodeId
{
get
{
return this._nodeId;
}
}
private byte _commandClass;
public byte CommandClass
{
get
{
return this._commandClass;
}
}
private byte _command;
public byte Command
{
get
{
return this._command;
}
}
private byte _transmissionOptions = ZWaveProtocol.TransmissonOption.ACK | ZWaveProtocol.TransmissonOption.AUTO_ROUTE;
private List<byte> _params = new List<byte>();
private byte _getMagicByte
{
get
{
switch(this._commandClass)
{
case ZWaveProtocol.CommandClass.METER:
return 0x02;
case ZWaveProtocol.CommandClass.METER_PULSE:
return 0x02;
default:
return 0x03;
}
}
}
private byte[] _message;
public byte[] Message
{
get
{
if (!this._raw)
{
int length = 6;
if (this._nodeId != 0x00) length++;
if (this._commandClass != 0x00) length += 3;
length += this._params.Count;
byte[] message = new byte[length];
int index = 0;
message[index++] = ZWaveProtocol.SOF;
// Insert message length
message[index++] = (byte)(length - 2);
message[index++] = this._messageType;
message[index++] = this._function;
if (this._nodeId != 0x00)
{
message[index++] = this._nodeId;
}
if (this._commandClass != 0x00)
{
message[index++] = this._getMagicByte;
message[index++] = this._commandClass;
message[index++] = this._command;
}
for (int i = 0; i < this._params.Count; i++)
{
message[index++] = this._params[i];
}
message[index++] = this._transmissionOptions;
// Calculate and insert the checksum
message[index++] = ZWavePort.CalculateChecksum(message);
return message;
}
else
{
return this._message;
}
}
}
public void AddParameter(byte param)
{
this._params.Add(param);
}
public void Parse(byte[] message)
{
this._messageType = message[2];
this._function = message[3];
switch (this._function)
{
case ZWaveProtocol.Function.SEND_DATA:
this._commandClass = message[4];
break;
case ZWaveProtocol.Function.APPLICATION_COMMAND_HANDLER:
this._commandClass = message[7];
this._command = message[8];
break;
case ZWaveProtocol.Function.ADD_NODE_TO_NETWORK:
this._commandClass = message[5];
break;
case ZWaveProtocol.Function.REMOVE_NODE_FROM_NETWORK:
this._commandClass = message[5];
break;
default:
this._commandClass = 0x00;
break;
}
}
/// <summary>
///
/// </summary>
public ZWaveMessage() { }
public ZWaveMessage(byte messageType, byte function, byte nodeId = 0x00, byte commandClass = 0x00, byte command = 0x00)
{
this._messageType = messageType;
this._function = function;
if (nodeId != 0x00)
{
this._nodeId = nodeId;
}
if(commandClass != 0x00)
{
this._commandClass = commandClass;
}
if(command != 0x00)
{
this._command = command;
}
}
public ZWaveMessage(byte[] message)
{
this._message = message;
this._raw = true;
this.Parse(message);
}
}
}