public static Exception GetPassThruException(this J2534Extended passThru)
{
var error = ErrorBuffer.Value;
passThru.PassThruGetLastError(error);
return(new Exception(error.ToString()));
}
private Loader()
{
AppDomain.CurrentDomain.UnhandledException -= CurrentDomain_UnhandledException;
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
j2534library = new J2534Extended();
var list = J2534Detect.ListDevices();
j2534Device = list.FirstOrDefault(d => d.Name == Config.Instance.DeviceName);
if (j2534Device == null)
{
if (list.Count == 1)
{
j2534Device = list.Single();
}
else
{
var sd = new SelectDevice();
if (sd.ShowDialog() == DialogResult.OK)
{
j2534Device = sd.Device;
}
}
}
j2534library.LoadLibrary(j2534Device);
}
/*
*
* Use the J2534 protocol to read voltage
*
*/
private void CmdReadVoltageClick(object sender, EventArgs e)
{
J2534Extended passThru = null;// = Loader.Lib;
double voltage = 0;
// 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.");
return;
}
ObdComm comm = new ObdComm(passThru);
if (!comm.DetectProtocol())
{
MessageBox.Show(String.Format("Error connecting to device. Error: {0}", comm.GetLastError()));
comm.Disconnect();
return;
}
if (!comm.GetBatteryVoltage(ref voltage))
{
MessageBox.Show(String.Format("Error reading voltage. Error: {0}", comm.GetLastError()));
comm.Disconnect();
return;
}
comm.Disconnect();
// When we are done with the device, we can free the library.
passThru.FreeLibrary();
txtVoltage.Text = voltage + @" V";
}
private Loader()
{
AppDomain.CurrentDomain.UnhandledException -= CurrentDomain_UnhandledException;
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
j2534library = new J2534Extended();
var list = J2534Detect.ListDevices();
if (list.Count == 1)
{
j2534Device = list.Single();
}
else
{
var sd = new SelectDevice();
if (sd.ShowDialog() == DialogResult.OK)
{
j2534Device = sd.Device;
}
else
{
return;
}
}
j2534library.LoadLibrary(j2534Device);
}
private Loader()
{
AppDomain.CurrentDomain.UnhandledException -= CurrentDomain_UnhandledException;
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
j2534library = new J2534Extended();
var list = J2534Detect.ListDevices();
j2534Device = list.FirstOrDefault(d => d.Name == Config.Instance.DeviceName);
if (j2534Device == null)
{
if (list.Count == 1)
{
j2534Device = list.Single();
}
else
{
var sd = new SelectDevice();
if (sd.ShowDialog() == DialogResult.OK)
{
j2534Device = sd.Device;
}
}
}
j2534library.LoadLibrary(j2534Device);
}
public EsPassThruDevice(J2534Device j2534Device)
{
J2534Device = j2534Device;
PassThruInterface = new J2534Extended();
if (!PassThruInterface.LoadLibrary(J2534Device))
{
throw new Exception($"Error load pass thru library: {J2534Device.FunctionLibrary}. Error: {new Win32Exception(Marshal.GetLastWin32Error()).Message}");
}
}
private void ChangeDevice_Click(object sender, EventArgs e)
{
Disconnect();
if (_passThru != null)
{
_passThru.FreeLibrary();
}
_passThru = null;
_comm = null;
}
/*
* Test Send / Receive GMLan messages
*/
private void textGMLan(object sender, EventArgs e)
{
J2534Extended passThru = new J2534Extended();
GMLanComm comm = new GMLanComm(passThru);
comm.Connect();
// Test send SW GMLan message
comm.SendSwMessage("0x621", false, false, "000000");
// Test recieve GMLan message
while (comm.IsConnected())
{
List <PassThruMsg> swMsgs = comm.ReadSwMessage();
List <PassThruMsg> dwMsgs = comm.ReadDwMessage();
foreach (PassThruMsg msg in swMsgs)
{
byte[] bytes = msg.GetBytes();
String frameID = GMLanComm.GetIDFromBytes(bytes, msg.DataSize);
String data = GMLanComm.GetDataFromBytes(bytes, msg.DataSize);
Debug.WriteLine("SW CAN ID: " + frameID);
this.textBox1.AppendText("\r\nSW CAN ID: " + frameID);
}
foreach (PassThruMsg msg in dwMsgs)
{
byte[] bytes = msg.GetBytes();
String frameID = GMLanComm.GetIDFromBytes(bytes, msg.DataSize);
String data = GMLanComm.GetDataFromBytes(bytes, msg.DataSize);
Debug.WriteLine("DW CAN ID: " + frameID);
this.textBox1.AppendText("\r\nDW CAN ID: " + frameID);
}
}
comm.Disconnect();
// When we are done with the device, we can free the library.
passThru.FreeLibrary();
}
private void CmdReadVinClick(object sender, EventArgs e)
{
J2534Extended passThru = new J2534Extended();
string vin = "";
// 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.");
return;
}
// We will always choose the first J2534 device in the list, if there are multiple devices
// installed, you should do something more intelligent.
passThru.LoadLibrary(availableJ2534Devices[0]);
ObdComm comm = new ObdComm(passThru);
if (!comm.DetectProtocol())
{
MessageBox.Show(String.Format("Error connecting to device. Error: {0}", comm.GetLastError()));
comm.Disconnect();
return;
}
if (!comm.GetVin(ref vin))
{
MessageBox.Show(String.Format("Error reading VIN. Error: {0}", comm.GetLastError()));
comm.Disconnect();
return;
}
comm.Disconnect();
// When we are done with the device, we can free the library.
passThru.FreeLibrary();
txtReadVin.Text = vin;
}
/*
*
* Example 2:
* Use the J2534 protocol to send and receive a message (w/o error checking)
*
*/
private void SendReceiveNoErrorChecking(object sender, EventArgs e)
{
J2534Extended passThru = new J2534Extended();
// Find all of the installed J2534 passthru devices
List <J2534Device> availableJ2534Devices = J2534Detect.ListDevices();
J2534Device j2534Device;
var sd = new SelectDevice();
if (sd.ShowDialog() == DialogResult.OK)
{
j2534Device = sd.Device;
}
else
{
return;
}
// We will always choose the first J2534 device in the list, if there are multiple devices
// installed, you should do something more intelligent.
passThru.LoadLibrary(j2534Device);
// Attempt to open a communication link with the pass thru device
int deviceId = 0;
passThru.PassThruOpen(IntPtr.Zero, ref deviceId);
// Open a new channel configured for ISO15765 (CAN)
int channelId = 0;
passThru.PassThruConnect(deviceId, ProtocolID.ISO15765, ConnectFlag.NONE, BaudRate.ISO15765, ref channelId);
// Set up a message filter to watch for response messages
int filterId = 0;
PassThruMsg maskMsg = new PassThruMsg(
ProtocolID.ISO15765,
TxFlag.ISO15765_FRAME_PAD,
new byte[] { 0xff, 0xff, 0xff, 0xff });
PassThruMsg patternMsg = new PassThruMsg(
ProtocolID.ISO15765,
TxFlag.ISO15765_FRAME_PAD,
new byte[] { 0x00, 0x00, 0x07, 0xE8 });
PassThruMsg flowControlMsg = new PassThruMsg(
ProtocolID.ISO15765,
TxFlag.ISO15765_FRAME_PAD,
new byte[] { 0x00, 0x00, 0x07, 0xE0 });
IntPtr maskMsgPtr = maskMsg.ToIntPtr();
IntPtr patternMsgPtr = patternMsg.ToIntPtr();
IntPtr flowControlMsgPtr = flowControlMsg.ToIntPtr();
passThru.PassThruStartMsgFilter(channelId, FilterType.FLOW_CONTROL_FILTER, maskMsgPtr, patternMsgPtr, flowControlMsgPtr, ref filterId);
// Clear out the response buffer so we know we're getting the freshest possible data
passThru.ClearRxBuffer(channelId);
// Finally we can send the message!
PassThruMsg txMsg = new PassThruMsg(
ProtocolID.ISO15765,
TxFlag.ISO15765_FRAME_PAD,
new byte[] { 0x00, 0x00, 0x07, 0xdf, 0x01, 0x00 });
var txMsgPtr = txMsg.ToIntPtr();
int numMsgs = 1;
passThru.PassThruWriteMsgs(channelId, txMsgPtr, ref numMsgs, 50);
// Read messages in a loop until we either timeout or we receive data
numMsgs = 1;
IntPtr rxMsgs = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PassThruMsg)) * numMsgs);
J2534Err status = J2534Err.STATUS_NOERROR;
while (J2534Err.STATUS_NOERROR == status)
{
status = passThru.PassThruReadMsgs(channelId, rxMsgs, ref numMsgs, 200);
}
// If we received data, we want to extract the data of interest. I'm removing the reflection of the transmitted message.
if ((J2534Err.ERR_BUFFER_EMPTY == status || J2534Err.ERR_TIMEOUT == status) && numMsgs > 0)
{
foreach (PassThruMsg msg in rxMsgs.AsList <PassThruMsg>(numMsgs))
{
//
//
// Now do something with the data!
//
//
}
}
// Disconnect this channel
passThru.PassThruDisconnect(channelId);
// When we are done with the device, we can free the library.
passThru.FreeLibrary();
}
public GMLanComm(J2534Extended j2534Interface)
{
m_j2534Interface = j2534Interface;
m_isConnected = false;
m_status = J2534Err.STATUS_NOERROR;
}
public SimpleTest()
{
InitializeComponent();
_passThru = new J2534Extended();
_pluginLoader = new FileFormatPluginLoader(Directory.GetCurrentDirectory());
}
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);
}
