protected override void ConvertAndStore(J1939Message message)
{
if (!enforceIncreasedValues || rawValue > value)
{
value = valueMetric = rawValue;
base.ConvertAndStore(message);
}
}
public override void Parse(J1939Message message)
{
uint temp = 0;
if (UpdateUint(ref temp, message.data.ToArray(), byteIndex) != 0)
{
rawValue = temp;
ConvertAndStore(message);
}
}
public override void Parse(J1939Message message)
{
byte b = 0;
if (UpdateByte(ref b, message.data[byteIndex]) != 0)
{
rawValue = b;
ConvertAndStore(message);
}
}
public override void Parse(J1939Message message)
{
byte b = 0;
if (UpdateBits(ref b, message.data[byteIndex], bitIndex, length) != 0)
{
rawValue = (uint)(b & bitmask[length]);
ConvertAndStore(message);
}
}
protected virtual void ConvertAndStore(J1939Message message)
{
message.CanMessageSegments.Add(
new J1939MessageSegment()
{
PGN = message.pgn,
Pid = spn,
SourceAddress = message.address,
RawValue = this.rawValue,
StandardValue = this.value,
MetricValue = this.valueMetric,
ParseStatus = this.ParseStatus,
});
}
protected override void ConvertAndStore(J1939Message message)
{
if (recipNum != 0.0)
{
value = rawValue * scale + offset;
valueMetric = (recipNum / value); //right now only instant mpg recent and rolling mpg use this
value = valueMetric; //this only applies to gauges using L/100Km
}
else
{
value = rawValue * scale + offset;
valueMetric = rawValue * metricScale + metricOffset;
}
base.ConvertAndStore(message);
lastRawValue = rawValue;
}
public override void Parse(J1939Message message)
{
byte b = 0;
if (UpdateByte(ref b, message.data[1]) != 0)
{
if (b < 125)
{
rawValue = (uint)(250 - b);
}
else
{
rawValue = b;
}
ConvertAndStore(message);
}
}
/// <summary>
/// Instantiates a J1939 can message from the raw message, then passes the message to the J1939 parser,
/// which handles both extraction and parsing
/// </summary>
/// <param name="rawMessage"></param>
/// <param name="e"></param>
private void ProcessJ1939Data(string rawMessage, VMSCommDataEventArgs e)
{
try
{
var canMessage = new J1939Message(rawMessage, e.timeStamp);
if (canMessage.IsValidMessage())
{
canMessage.ExtractMessage();
_J1939Parser.Parse(canMessage);
PublishNewDataEvent(canMessage);
}
}
catch (Exception ex)
{
RaiseVMSEvent?.Invoke(this, new VMSCommDataErrorEventArgs(e, MessageError.UnrecognizedMessage, ex));
ErrorLogger.GenerateErrorRecord(ex);
}
}
public override void Parse(J1939Message message)
{
byte b = 0;
if (UpdateFlag(ref b, message.data[3], 0) != 0)
{
if (b == 0)
{
rawValue = 0; //"Off"
}
else
{
rawValue = 1; //"On"
}
}
if (UpdateFlag(ref b, message.data[3], 2) != 0)
{
rawValue = 2; //"Set"
}
ConvertAndStore(message);
}
public abstract void Parse(J1939Message message);
