public V45Packet(byte[] indata, int start = 0, bool ignoreLength = false)
{
try
{
this.m_status = indata[start];
this.m_command = (V45Commands)indata[start + 1];
this.m_sender = indata[start + 2];
this.m_receiver = indata[start + 3];
this.m_length = BitConverter.ToUInt16(indata, start + 4);
if (m_length != indata.Length && !ignoreLength)
{
throw new LengthException("Length error. Suggested: " + this.m_length.ToString() + " Received: " + indata.Length.ToString());
}
this.m_payLoad = new byte[m_length - 8];
Array.Copy(indata, start + 6, m_payLoad, 0, m_length - 8);
//.AddRange(indata.Skip(6).Take(this.Length - 8).ToArray());
CRC16CITT tmpCRC = new CRC16CITT(CRC16CITT.InitialCrcValue.Zeros);
this.m_CRC = BitConverter.ToUInt16(indata, start + 6 + this.Payload.Length);
UInt16 tmprc = tmpCRC.ComputeChecksum(indata.Skip(start).Take(this.Length - 2).ToArray());
if (this.m_CRC != tmprc)//steve--skip calibration commmand
{
throw new CrcException("CRC error. Computed: " + tmprc.ToString() + " Received: " + this.m_CRC.ToString());
}
}
catch (Exception)
{
throw;
}
}
public V45Packet(V45Commands command)
{
this.m_status = 0;
this.m_command = command;
this.m_length = 6;
this.m_CRC = 0;
m_sender = 0;
m_receiver = 0;
}
public V45Packet(V45Commands command, byte[] data, byte sender = 0, byte receiver = 0)
{
this.m_status = 0;
this.m_command = command;
this.m_payLoad = data;
this.m_sender = sender;
this.m_receiver = receiver;
this.m_length = this.getLength();
this.m_CRC = this.getCRC();
}
