public void Heading()
{
PGNSettings configuration = new PGNSettings();
configuration.AddPGN(127250, "Vessel Heading")
.FirstField("SID", 8)
.NextField("Heading", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Deviation", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Variation", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Reference", 2, f => f.SetLookups
(d =>
{
d.Add(0, "True");
d.Add(1, "Magnetic");
}
));
PGNConfiguration vesselHeading = configuration.GetById(127250);
Assert.IsNotNull(vesselHeading);
Assert.AreEqual(127250, vesselHeading.PGN);
Assert.AreEqual("Vessel Heading", vesselHeading.Name);
var fields = vesselHeading.Fields;
Assert.IsNotNull(fields);
Assert.AreEqual(5, fields.Count);
var deviation = fields.FirstOrDefault(f => f.Name == "Deviation");
Assert.IsNotNull(deviation);
Assert.AreEqual(24, deviation.BitOffset);
Assert.AreEqual(AngleUnit.Radians, deviation.Units);
Assert.AreEqual(0.0001d, deviation.Resolution);
}
public void BasicConfiguration()
{
PGNSettings configuration = new PGNSettings();
configuration.AddPGN(59392, "ISO Acknowledgement")
.FirstField("Control", 8, f =>
f.SetLookups(d =>
{
d.Add(0, "ACK");
d.Add(1, "NAK");
d.Add(2, "Access Denied");
d.Add(3, "Adress Busy");
}))
.NextField("Group Function", 8)
.NextField("Reserved", 24, f => f.IsSigned = true)
.NextField("PGN", 24, f =>
{
f.Description = "Parameter Group Number of requested information";
f.FieldType = PGNFieldType.Integer;
});
configuration.AddPGN(59904, "ISO Request")
.FirstField("PGN", 24).IsInteger();
PGNConfiguration result59392 = configuration.GetById(59392);
Assert.IsNotNull(result59392);
Assert.AreEqual(59392, result59392.PGN);
Assert.AreEqual("ISO Acknowledgement", result59392.Name);
var fields = result59392.Fields;
Assert.IsNotNull(fields);
Assert.AreEqual(4, fields.Count);
var pgn = fields.FirstOrDefault(f => f.Name == "PGN");
Assert.IsNotNull(pgn);
Assert.AreEqual("Parameter Group Number of requested information", pgn.Description);
Assert.AreEqual(4, pgn.Order);
var signed = fields.FirstOrDefault(f => f.IsSigned);
Assert.IsNotNull(signed);
Assert.AreEqual("Reserved", signed.Name);
var result59904 = configuration.GetById(59904);
Assert.IsNotNull(result59904);
Assert.AreEqual(59904, result59904.PGN);
Assert.AreEqual("ISO Request", result59904.Name);
}
private void DecodeMessage(byte[] payload)
{
#region this has to be totally refactored somehow and made more efficient for loading via singleton or whatever:
PGNSettings configuration = new PGNSettings();
configuration.AddPGN(127250, "Vessel Heading")
.FirstField("SID", 8)
.NextField("Heading", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Deviation", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Variation", 16, f => f.SetAngle(AngleUnit.Radians, 0.0001d))
.NextField("Reference", 2, f => f.SetLookups
(d =>
{
d.Add(0, "True");
d.Add(1, "Magnetic");
}
));
#endregion
PGNConfiguration vesselHeadingConfiguration = configuration.GetById(PGN);
var fieldInformation = new Dictionary <string, PGNFieldInformation>();
BitArray payloadBitArray = new BitArray(payload);
foreach (PGNField field in vesselHeadingConfiguration.Fields)
{
BitArray bitArray = new BitArray(field.BitLength);
for (int i = 0; i < field.BitLength; i++)
{
bitArray[i] = payloadBitArray[i + field.BitOffset];
}
PGNFieldInformation pgnFieldInformation = new PGNFieldInformation
{
Configuration = field,
Data = bitArray
};
fieldInformation.Add(field.Name, pgnFieldInformation);
}
ProcessPayload(fieldInformation);
}
