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);
}
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);
}
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);
}
/*
*
* 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();
}
