public async Task <string> GetVehicleParameterValue(DiagnosticPIDs pid)
{
//TODO: just for demo, remove this when this functionality actually works
if (pid == DiagnosticPIDs.GetVIN)
{
return(await GetRandomVin());
}
var pidCode = String.Format("{0:X}1\r", pid).Substring(4);
await _diagnosticSocket.OutputStream.WriteAsync(pidCode.Select(c => (byte)c).ToArray(), 0, pidCode.Length);
await _diagnosticSocket.OutputStream.FlushAsync();
return(await GetResponseFromStream(_diagnosticSocket.InputStream, 4));
}
public async Task <string> GetVehicleParameterValue(DiagnosticPIDs pid)
{
switch (pid)
{
case DiagnosticPIDs.GetVIN:
return(await GetRandomVin());
case DiagnosticPIDs.MassAirflowRate:
case DiagnosticPIDs.ThrottlePercentage:
case DiagnosticPIDs.VehicleSpeed:
case DiagnosticPIDs.GetSupportedPIDs1:
return(await GetNextValue(pid));
default:
return(await Task.FromResult("NO DATA"));
}
}
private async Task <string> GetNextValue(DiagnosticPIDs pid)
{
await Task.Delay(200);
string pidCode = String.Format("{0:X}", pid).Substring(4);
if (!_sampleParameterValues.ContainsKey(pidCode))
{
return(await Task.FromResult("NO DATA"));
}
var nextValue = _sampleParameterValues[pidCode].Dequeue();
//roll this back onto the end of the queue so it keeps going
_sampleParameterValues[pidCode].Enqueue(nextValue);
return(await Task.FromResult(nextValue));
}
