protected N2kMessageDecoded(N2kMessageEncoded encodedMessage)
{
Priority = encodedMessage.Priority;
PGN = encodedMessage.PGN;
Destination = encodedMessage.Destination;
Source = encodedMessage.Source;
Milliseconds = encodedMessage.Milliseconds;
DecodeMessage(encodedMessage.Payload);
}
protected N2kMessageDecoded(N2kMessageEncoded encodedMessage)
{
Priority = encodedMessage.Priority;
PGN = encodedMessage.PGN;
Destination = encodedMessage.Destination;
Source = encodedMessage.Source;
Milliseconds = encodedMessage.Milliseconds;
DecodeMessage(encodedMessage.Payload);
}
void OnDeviceMessageReceived(object sender, MessageReceivedEventArgs e)
{
// The message has already been converted from Can Id to ISO-11783 by the Actisense device.
if (e.MessageType == MessageType.NMEA2000)
{
var n2kMessage = new N2kMessageEncoded
{
// leave parenthesis to prevent unwanted bitshifting
Priority = e.Data[(int) ActisenseN2kMessageFormat.Priority],
PGN = (e.Data[(int) ActisenseN2kMessageFormat.PGNLSB] +
(e.Data[(int) ActisenseN2kMessageFormat.PGNMiddle] << 8) +
(e.Data[(int) ActisenseN2kMessageFormat.PGNMSB] << 16)),
Destination = e.Data[(int) ActisenseN2kMessageFormat.Destination],
Source = e.Data[(int) ActisenseN2kMessageFormat.Source],
Milliseconds =
(e.Data[(int) ActisenseN2kMessageFormat.TimeStampLSB] +
(e.Data[(int) ActisenseN2kMessageFormat.TimeStamp2] << 8) +
(e.Data[(int) ActisenseN2kMessageFormat.TimeStamp3] << 16) +
(e.Data[(int) ActisenseN2kMessageFormat.TimeStampMSB] << 32))
};
int payloadLength = e.Data[(int) ActisenseN2kMessageFormat.PayloadLength];
byte[] payload = new byte[payloadLength];
// could check there are enough bytes...
Array.Copy(e.Data, (int)ActisenseN2kMessageFormat.PayloadStart, payload, 0, payloadLength);
n2kMessage.Payload = payload;
var handler = N2kMessageParsed;
if (handler != null)
{
handler(this, new N2kMessageEventArgs(n2kMessage));
}
}
}
public VesselHeading(N2kMessageEncoded encodedMessage)
: base(encodedMessage)
{
}
public N2kMessageEventArgs(N2kMessageEncoded message)
{
Message = message;
}
public VesselHeading(N2kMessageEncoded encodedMessage) : base(encodedMessage)
{
}