public bool ConnectIso15765(string RequestID, string ResponseID, BaudRate baudRate)
{
List <byte> value = new List <byte>();
J2534ErrStatus = passThru.Connect(deviceId, ProtocolID.ISO15765, ConnectFlag.NONE, baudRate, ref channelId);
if (J2534Err.STATUS_NOERROR != J2534ErrStatus)
{
return(false);
}
PassThruMsg maskMsg = new PassThruMsg();
PassThruMsg patternMsg = new PassThruMsg();
PassThruMsg flowControlMsg = new PassThruMsg();
byte i;
for (i = 0; i < 1; i++)
{
maskMsg.ProtocolID = ProtocolID.ISO15765;
maskMsg.TxFlags = TxFlag.ISO15765_FRAME_PAD;
maskMsg.Data = new byte[] { 0xff, 0xff, 0xff, 0xff }; //4 "FF" for stand ID,5 "FF" for extend ID
byte ReqID_1 = (byte)Convert.ToUInt16(RequestID.Trim().ToUpper().Substring(0, 1), 16);
byte ReqID_2 = (byte)Convert.ToUInt16(RequestID.Trim().ToUpper().Substring(1, 2), 16);
byte RespID_1 = (byte)Convert.ToUInt16(ResponseID.Trim().ToUpper().Substring(0, 1), 16);
byte RespID_2 = (byte)Convert.ToUInt16(ResponseID.Trim().ToUpper().Substring(1, 2), 16);
patternMsg.ProtocolID = ProtocolID.ISO15765;
patternMsg.TxFlags = TxFlag.ISO15765_FRAME_PAD;
patternMsg.Data = new byte[] { 0x00, 0x00, RespID_1, RespID_2 };
flowControlMsg.ProtocolID = ProtocolID.ISO15765;
flowControlMsg.TxFlags = TxFlag.ISO15765_FRAME_PAD;
flowControlMsg.Data = new byte[] { 0x00, 0x00, ReqID_1, ReqID_2 };
J2534ErrStatus = passThru.StartMsgFilter(channelId, FilterType.FLOW_CONTROL_FILTER, ref maskMsg, ref patternMsg, ref flowControlMsg, ref filterId);
if (J2534Err.STATUS_NOERROR != J2534ErrStatus)
{
passThru.Disconnect(channelId);
return(false);
}
}
return(true);
}
/*
*
* Example 2:
* Use the J2534 protocol to send and receive a message (w/o error checking)
*
*/
private void SendReceiveNoErrorChecking(object sender, EventArgs e)
{
J2534 passThru = new J2534();
// Find all of the installed J2534 passthru devices
List <J2534Device> availableJ2534Devices = J2534Detect.ListDevices();
// 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]);
// Attempt to open a communication link with the pass thru device
int deviceId = 0;
passThru.Open(ref deviceId);
// Open a new channel configured for ISO15765 (CAN)
int channelId = 0;
passThru.Connect(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 });
passThru.StartMsgFilter(channelId, FilterType.FLOW_CONTROL_FILTER, ref maskMsg, ref patternMsg, ref flowControlMsg, 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 });
int numMsgs = 1;
passThru.WriteMsgs(channelId, ref txMsg, ref numMsgs, 50);
// Read messages in a loop until we either timeout or we receive data
List <PassThruMsg> rxMsgs = new List <PassThruMsg>();
J2534Err status = J2534Err.STATUS_NOERROR;
numMsgs = 1;
while (J2534Err.STATUS_NOERROR == status)
{
status = passThru.ReadMsgs(channelId, ref 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.
List <byte> responseData;
if ((J2534Err.ERR_BUFFER_EMPTY == status || J2534Err.ERR_TIMEOUT == status) && rxMsgs.Count > 1)
{
responseData = rxMsgs[rxMsgs.Count - 1].Data.ToList();
responseData.RemoveRange(0, txMsg.Data.Length);
}
//
//
// Now do something with the data!
//
//
// Disconnect this channel
passThru.Disconnect(channelId);
// When we are done with the device, we can free the library.
passThru.FreeLibrary();
}