public static int Read(byte[] buf, int c, BoatLocation loc)
{
loc.MessageVersionNumber = buf[c++];
var t = new byte[] { buf[c++], buf[c++], buf[c++], buf[c++], buf[c++], buf[c++], 0, 0 };
loc.Time = new DateTime(1970, 1, 1).AddMilliseconds(BitConverter.ToUInt64(t, 0));
loc.BoatId = BitConverter.ToUInt32(buf, c);
c += 4;
loc.SequenceNumber = BitConverter.ToUInt32(buf, c);
c += 4;
loc.DeviceType = (DeviceTypeEnum)buf[c++];
loc.Latitude = BitConverter.ToInt32(buf, c) * 180.0 / 2147483648.0;
c += 4;
loc.Longitude = BitConverter.ToInt32(buf, c) * 180.0 / 2147483648.0;
c += 4;
loc.Altitude = BitConverter.ToInt32(buf, c) * 180.0 / 2147483648.0;
c += 4;
loc.Heading = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.Pitch = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.Roll = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.BoatSpeed = BitConverter.ToUInt16(buf, c) / 1000.0f;
c += 2;
loc.COG = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.SOG = BitConverter.ToUInt16(buf, c) / 1000.0f;
c += 2;
loc.ApparentWindSpeed = BitConverter.ToUInt16(buf, c) / 1000.0f;
c += 2;
loc.ApparentWindAngle = BitConverter.ToInt16(buf, c) * 180.0f / 32768.0f;
c += 2;
loc.TrueWindSpeed = BitConverter.ToUInt16(buf, c) / 1000.0f;
c += 2;
loc.TrueWindDirection = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.TrueWindAngle = BitConverter.ToInt16(buf, c) * 180.0f / 32768.0f;
c += 2;
loc.CurrentDrift = BitConverter.ToUInt16(buf, c) / 1000.0f;
c += 2;
loc.CurrentSet = BitConverter.ToInt16(buf, c) * 360.0f / 65536.0f;
c += 2;
loc.RudderAngle = BitConverter.ToInt16(buf, c) * 180.0f / 32768.0f;
c += 2;
return c;
}
public float TrueWindSpeed; // mm/sec
#endregion Fields
#region Methods
public static BoatLocation Read(byte[] buf)
{
var bl = new BoatLocation();
Read(buf, 0, bl);
return bl;
}