bool Connect()
{
try {
if (!LoadJ2534())
{
MessageBox.Show("No J2534 USB cables appear to be connected to the PC.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
_comm = new UDSFord(_passThru);
_comm.ConnectISO15765();
return(true);
}
catch (J2534Exception ex)
{
if (ex.Error == J2534Err.ERR_DEVICE_NOT_CONNECTED || ex.Error == J2534Err.ERR_FAILED)
{
MessageBox.Show("J2534 USB cable is not attached.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else if (ex.Error == J2534Err.ERR_TIMEOUT || ex.Error == J2534Err.ERR_BUFFER_EMPTY)
{
MessageBox.Show("A J2534 USB cable was detected however there was no CANBUS response. Check the device is connected to a vehicle with the ignition on.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
}
catch (OBDException ex)
{
MessageBox.Show("A J2534 USB cable was detected however there was no response from the CANBUS. Check the device is connected to a vehicle with the ignition on.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (Exception e)
{
MessageBox.Show("An unknown error occured whilst attempting to make an ISO15765 connection: " + e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
return(false);
}
void SetVoltage(bool off = false)
{
try
{
if (!Connect())
{
return;
}
UpdateLog("Connected");
if (_comm == null)
{
_comm = new UDSFord(_passThru);
}
if (off)
{
UpdateLog("setProgrammingVoltage(PinNumber.PIN_13, OFF)");
float programmingVoltage = _comm.PassThruSetProgrammingVoltage(PinNumber.PIN_13, PinVoltage.VOLTAGE_OFF);
UpdateLog("Voltage = : " + programmingVoltage);
_toggle = false;
}
else
{
uint mvolts = 0;
if (!UInt32.TryParse(textBoxVolts.Text, out mvolts))
{
return;
}
UpdateLog("setProgrammingVoltage(PinNumber.PIN_13 " + mvolts + " mV");
float programmingVoltage = _comm.PassThruSetProgrammingVoltage(PinNumber.PIN_13, (PinVoltage)mvolts);
UpdateLog("Voltage = " + programmingVoltage + "V");
_toggle = true;
}
}
catch (OBDException obdEx)
{
MessageBox.Show("Error setting voltage due to OBD error: " + obdEx.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (UDSException udsEx)
{
MessageBox.Show("Error setting voltage due to UDS error: " + udsEx.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (J2534Exception j2534Ex)
{
MessageBox.Show("Error setting voltage due to J2534 error: " + j2534Ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
catch (Exception ex)
{
MessageBox.Show("Unknown error setting voltage: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
finally
{
Disconnect();
UpdateLog("Disconnect");
}
}
private void ChangeDevice_Click(object sender, EventArgs e)
{
Disconnect();
if (_passThru != null)
{
_passThru.FreeLibrary();
}
_passThru = null;
_comm = null;
}
bool LoadJ2534()
{
if (_passThru == null)
{
_passThru = new J2534Extended();
}
if (_passThru.IsLoaded)
{
return(true);
}
J2534Device j2534Device;
// Find all of the installed J2534 passthru devices
List <J2534Device> availableJ2534Devices = J2534Detect.ListDevices();
if (availableJ2534Devices.Count == 0)
{
MessageBox.Show("Could not find any installed J2534 devices in the Windows registry, have you installed the device drivers for your cable?");
_passThru.FreeLibrary();
return(false);
}
if (autoDetectCheckBox.Checked)
{
foreach (var lib in availableJ2534Devices)
{
if (Path.GetFileName(lib.FunctionLibrary).Contains("J2534DotNet.Logger.dll"))
{
continue;
}
try {
j2534Device = new J2534Device();
if (!_passThru.LoadLibrary(lib))
{
j2534Device = null;
continue;
}
_comm = new UDSFord(_passThru);
_comm.Connect();
//if we get this far then we have successfully connected
_comm.Disconnect();
return(true);
} catch {
j2534Device = null;
continue;
}
}
_passThru.FreeLibrary();
return(false);
}
if (checkBoxLogJ2534.Checked)
{
j2534Device = new J2534Device();
j2534Device.FunctionLibrary = System.IO.Directory.GetCurrentDirectory() + "\\" + "J2534DotNet.Logger.dll";
Thread.Sleep(10);
var loaded = _passThru.LoadLibrary(j2534Device);
if (!loaded)
{
_passThru.FreeLibrary();
}
return(loaded);
}
//If there is only one DLL to choose from then load it
if (availableJ2534Devices.Count == 1)
{
return(_passThru.LoadLibrary(availableJ2534Devices[0]));
}
else
{
var sd = new SelectDevice();
if (sd.ShowDialog() == DialogResult.OK)
{
j2534Device = sd.Device;
var loaded = _passThru.LoadLibrary(j2534Device);
if (!loaded)
{
_passThru.FreeLibrary();
}
return(loaded);
}
}
return(false);
}
