示例#1
0
 /// <summary>
 /// Initialize the PD0 Data Type.
 /// </summary>
 /// <param name="lsb">LSB ID.</param>
 /// <param name="msb">MSB ID.</param>
 /// <param name="type">PD0 Data Type.</param>
 public Pd0DataType(byte lsb, byte msb, Pd0ID.Pd0Types type)
 {
     // Set the ID
     ID     = new Pd0ID(lsb, msb, type);
     Offset = 0;
 }
示例#2
0
 /// <summary>
 /// Initialize the PD0 Data Type.
 /// </summary>
 /// <param name="lsb">LSB ID.</param>
 /// <param name="msb">MSB ID.</param>
 /// <param name="type">PD0 Data Type.</param>
 public Pd0DataType(byte lsb, byte msb, Pd0ID.Pd0Types type)
 {
     // Set the ID
     ID = new Pd0ID(lsb, msb, type);
     Offset = 0;
 }
示例#3
0
        /// <summary>
        /// Decode the given data into an object.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <param name="numDepthCells">NOT USED.</param>
        /// <param name="numBeams">NOT USED</param>
        public void Decode(byte[] data, int numDepthCells = 0, int numBeams = 4)
        {
            try
            {
                if (data.Length > HEADER_MIN_BYTE)
                {
                    // Ensure the correct data type is given
                    if (data[0] == ID_LSB && data[1] == ID_MSB)
                    {
                        // Number of bytes
                        NumberOfBytes = MathHelper.LsbMsbInt(data[2], data[3]);

                        //DataTypes.Clear();                                  // Clear anything currently stored
                        int numDT    = data[5];                          // Number of Data types
                        int dtOffset = HEADER_MIN_BYTE;                  // Start of the offsets
                        RTI.PD0.CoordinateTransforms xform = RTI.PD0.CoordinateTransforms.Coord_Earth;

                        // Determine the size of each data type.
                        // This will start at the end of the header
                        //int prevOffset = dtOffset + (numDT * SHORT_NUM_BYTE);

                        // Collect each offset
                        for (int x = 0; x < numDT; x++)
                        {
                            // Get the offset and add it to the list
                            byte   lsb    = data[dtOffset];
                            byte   msb    = data[dtOffset + 1];
                            ushort offset = MathHelper.LsbMsbUShort(lsb, msb);

                            if (data.Length > offset)
                            {
                                // Determine the data type
                                byte  lsbID = data[offset];
                                byte  msbID = data[offset + 1];
                                Pd0ID id    = Pd0ID.GetType(lsbID, msbID);

                                // Set the XFORM


                                // Create and add the data type to the ensemble
                                switch (id.Type)
                                {
                                case Pd0ID.Pd0Types.FixedLeader:
                                    // Copy the buffer
                                    byte[] flBuffer = new byte[Pd0FixedLeader.DATATYPE_SIZE];
                                    Buffer.BlockCopy(data, offset, flBuffer, 0, flBuffer.Length);

                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.FixedLeader))
                                    {
                                        GetFixedLeader().Decode(flBuffer);
                                        xform = GetFixedLeader().GetCoordinateTransform();
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0FixedLeader(flBuffer, offset));
                                    }

                                    break;

                                case Pd0ID.Pd0Types.VariableLeader:
                                    // Copy the buffer
                                    byte[] vlBuffer = new byte[Pd0VariableLeader.DATATYPE_SIZE];
                                    Buffer.BlockCopy(data, offset, vlBuffer, 0, vlBuffer.Length);

                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.VariableLeader))
                                    {
                                        GetVariableLeader().Decode(vlBuffer);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0VariableLeader(vlBuffer, offset));
                                    }

                                    break;

                                case Pd0ID.Pd0Types.BottomTrack:
                                    // Copy the buffer
                                    byte[] btBuffer = new byte[Pd0BottomTrack.DATATYPE_SIZE];
                                    Buffer.BlockCopy(data, offset, btBuffer, 0, btBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.BottomTrack))
                                    {
                                        GetBottomTrack().Decode(btBuffer, GetFixedLeader().NumberOfBeams);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0BottomTrack(btBuffer, offset, GetFixedLeader().NumberOfBeams));
                                    }
                                    break;

                                case Pd0ID.Pd0Types.Velocity:
                                    // Copy the buffer
                                    byte[] velBuffer = new byte[Pd0Velocity.GetVelocitySize(GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams)];
                                    Buffer.BlockCopy(data, offset, velBuffer, 0, velBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.Velocity))
                                    {
                                        GetVelocity().Decode(velBuffer, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0Velocity(velBuffer, offset, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams));
                                    }
                                    break;

                                case Pd0ID.Pd0Types.Correlation:
                                    // Copy the buffer
                                    byte[] corrBuffer = new byte[Pd0Correlation.GetCorrelationSize(GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams)];
                                    Buffer.BlockCopy(data, offset, corrBuffer, 0, corrBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.Correlation))
                                    {
                                        GetCorrelation().Decode(corrBuffer, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0Correlation(corrBuffer, offset, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams));
                                    }
                                    break;

                                case Pd0ID.Pd0Types.EchoIntensity:
                                    // Copy the buffer
                                    byte[] eiBuffer = new byte[Pd0EchoIntensity.GetEchoIntensitySize(GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams)];
                                    Buffer.BlockCopy(data, offset, eiBuffer, 0, eiBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.EchoIntensity))
                                    {
                                        GetEchoIntensity().Decode(eiBuffer, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0EchoIntensity(eiBuffer, offset, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams));
                                    }
                                    break;

                                case Pd0ID.Pd0Types.PercentGood:
                                    // Copy the buffer
                                    byte[] pgBuffer = new byte[Pd0PercentGood.GetPercentGoodSize(GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams)];
                                    Buffer.BlockCopy(data, offset, pgBuffer, 0, pgBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.PercentGood))
                                    {
                                        GetPercentGood().Decode(pgBuffer, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0PercentGood(pgBuffer, offset, GetFixedLeader().NumberOfCells, GetFixedLeader().NumberOfBeams));
                                    }
                                    break;

                                case Pd0ID.Pd0Types.NmeaData:

                                    // Get the Dataset Size
                                    // Get the first 6 bytes to determine the size
                                    // Number of bytes to read for NMEA size
                                    byte[] nmeaSize = new byte[6];
                                    Buffer.BlockCopy(data, offset, nmeaSize, 0, 6);
                                    int nmeaDsSize = Pd0NmeaData.GetNmeaDataSize(nmeaSize);

                                    // Copy the buffer
                                    byte[] nmeaBuffer = new byte[nmeaDsSize];
                                    Buffer.BlockCopy(data, offset, nmeaBuffer, 0, nmeaBuffer.Length);

                                    // Decode the data
                                    if (DataTypes.ContainsKey(Pd0ID.Pd0Types.NmeaData))
                                    {
                                        GetNmeaData().Decode(nmeaBuffer);
                                    }
                                    else
                                    {
                                        AddDataType(new Pd0NmeaData(nmeaBuffer, offset));
                                    }
                                    break;

                                default:
                                    Debug.WriteLine(string.Format("Unknown PD0 ID {0}", id.Type));
                                    break;
                                }
                            }

                            // Move the offset to the next value
                            dtOffset += 2;
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                log.Error("Error Decoding PD0 Data. ", ex);
            }
        }