private void GetState()
{
_state = new ObdState(new List <EcuResponse>());
if (!_targetPids.Any())
{
BuildPidList();
}
try
{
foreach (var pid in _targetPids)
{
var pidVal = _port.SendCommandWaitForString(pid.PidCommand);
var parsedResult = PidDecoder.ParsePidCmd(pidVal, _protocol); //raw command - returns ECU dict key, byte array of values, strips ECU header
//build the EcuResponse and add it to state
foreach (var result in parsedResult) //get each ECU's response. likely only a single on for most calls, I'd assume.
{
var ecuResponse = new EcuResponse(pid);
ecuResponse.ECU = result.Key.ToString();
ecuResponse.ReturnedRawData = result.Value;
_state._ecuResponses.Add(ecuResponse);
}
}
}
catch (Exception ex)
{
Logger.DebugWrite($"{ex.Message}: at {ex.StackTrace}");
}
}
/// <summary>
/// Startup method for asking the ECU for supported PIDs.
/// </summary>
private void GetSupportedPids()
{
var pidRequestRanges = new List <string>()
{
"00", "20", "40"
};
var ecus = new List <ObdEcu>();
foreach (var chunk in pidRequestRanges)
{
var pidGetResult = PidDecoder.ParsePidCmd(_port.SendCommandWaitForString(new ObdPid()
{
Mode = "01", Pid = chunk
}.PidCommand), _protocol).ToList();
foreach (var ecuLineResponse in pidGetResult)
{
var ecu = new ObdEcu();
var ecuExists = ecus.Any(x => x.Id == ecuLineResponse.Key);
if (ecuExists)
{
ecu = ecus.Single(x => x.Id == ecuLineResponse.Key);
}
else
{
ecu.Id = ecuLineResponse.Key;
}
var pidz = PidDecoder.DecodeSupportedPids(ecuLineResponse.Value, int.Parse(chunk)).Select(x => new ObdPid()
{
Mode = "01", Pid = x.ToString("X2")
}).ToList();
if (ecu.SupportedPids?.Any() ?? false)
{
ecu.SupportedPids.AddRange(pidz);
}
else
{
ecu.SupportedPids = pidz;
}
if (!ecuExists)
{
ecus.Add(ecu);
}
}
}
_ecus = ecus;
}