/// <summary>Attempts to connect to the ECU.</summary>
/// <param name="protocolType">The protocal type to use.</param>
/// <param name="measurementUnitType">The measurement type to use.</param>
public void Connect(ElmDriver.ElmObdProtocolType protocolType, ElmDriver.ElmMeasuringUnitType measurementUnitType)
{
this.elm = new ElmDriver(this.serialPortName, protocolType, measurementUnitType);
switch (elm.Connect())
{
case ElmDriver.ElmConnectionResultType.NoConnectionToElm:
throw new InvalidOperationException("Failed to connect to the ELM327.");
case ElmDriver.ElmConnectionResultType.NoConnectionToObd:
throw new InvalidOperationException("Failed to connect to the vehicle's ECU.");
case ElmDriver.ElmConnectionResultType.Connected:
this.connected = true;
this.protocalType = this.GetFriendlyObdProtocolModeTypeName(this.elm.ProtocolType);
this.fuelType = this.GetFriendlyFuelTypeName(this.elm.ObdMode01.FuelType);
this.vin = this.elm.ObdMode09.VehicleIdentificationNumber;
break;
}
}
/// <summary>
/// Attempts to connect to the ECU. If successful, will retrieve one time information from the ECU.
/// </summary>
public void Connect(ElmDriver.ElmObdProtocolType protocolType = ElmDriver.ElmObdProtocolType.Automatic, ElmDriver.ElmMeasuringUnitType measurementUnitType = ElmDriver.ElmMeasuringUnitType.English)
{
elm = new ElmDriver(serialPortName, protocolType, measurementUnitType);
ElmDriver.ElmConnectionResultType connectionResult = elm.Connect();
if (connectionResult == ElmDriver.ElmConnectionResultType.NoConnectionToElm)
{
throw new Exception("Failed to connect to the ELM327");
}
else if (connectionResult == ElmDriver.ElmConnectionResultType.NoConnectionToObd)
{
throw new Exception("Failed to connect to the vehicle's ECU");
}
else
{
connected = true;
// Get the currently used OBD protocol type
OBDProtocolType = GetFriendlyObdProtocolModeTypeName(elm.ProtocolType);
VehicleFuelType = GetFriendlyFuelTypeName(elm.ObdMode01.FuelType);
VIN = elm.ObdMode09.VehicleIdentificationNumber;
}
}
