//-------------------------------------------------------------------------
/**
* Sends a 11 bit CAN data frame.
*
* @param msg CAN message
*
* @return success (true/false)
*/
public override bool sendMessage(CANMessage msg)
{
this.AddToCanTrace("Sending message: " + msg.getID().ToString("X4") +
" " + msg.getData().ToString("X16"));
try
{
caCombiAdapter.caCANFrame frame = new caCombiAdapter.caCANFrame();
frame.id = msg.getID();
frame.length = msg.getLength();
frame.data = msg.getData();
frame.is_extended = 0;
frame.is_remote = 0;
this.combi.CAN_SendMessage(ref frame);
this.AddToCanTrace("Message sent successfully");
return(true);
}
catch (Exception e)
{
this.AddToCanTrace("Message failed to send: " + e.Message);
return(false);
}
}
/*private void AddToCanTrace(string line)
* {
* if (m_EnableCanLog)
* {
* DateTime dtnow = DateTime.Now;
* using (StreamWriter sw = new StreamWriter(System.Windows.Forms.Application.StartupPath + "\\CanTraceCANUSBDevice.txt", true))
* {
* sw.WriteLine(dtnow.ToString("dd/MM/yyyy HH:mm:ss") + " - " + line);
* }
* }
* }*/
/// <summary>
/// sendMessage send a CANMessage.
/// </summary>
/// <param name="a_message">A CANMessage.</param>
/// <returns>true on success, othewise false.</returns>
override public bool sendMessage(CANMessage a_message)
{
LAWICEL.CANMsg msg = new LAWICEL.CANMsg();
msg.id = a_message.getID();
msg.len = a_message.getLength();
msg.flags = a_message.getFlags();
msg.flags = LAWICEL.CANMSG_EXTENDED; // Test for now
msg.data = a_message.getData();
int writeResult;
//AddToCanTrace("Sending message");
AddToCanTrace("TX: " + msg.id.ToString("X6") + " " + msg.data.ToString("X16"));
writeResult = LAWICEL.canusb_Write(m_deviceHandle, ref msg);
if (writeResult == LAWICEL.ERROR_CANUSB_OK)
{
//AddToCanTrace("Message sent successfully");
txCount++;
bitsPerSecond += 109;
return(true);
}
else
{
errCount++;
switch (writeResult)
{
case LAWICEL.ERROR_CANUSB_COMMAND_SUBSYSTEM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_COMMAND_SUBSYSTEM");
break;
case LAWICEL.ERROR_CANUSB_INVALID_PARAM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_INVALID_PARAM");
break;
case LAWICEL.ERROR_CANUSB_NO_MESSAGE:
AddToCanTrace("Message failed to send: ERROR_CANUSB_NO_MESSAGE");
break;
case LAWICEL.ERROR_CANUSB_NOT_OPEN:
AddToCanTrace("Message failed to send: ERROR_CANUSB_NOT_OPEN");
break;
case LAWICEL.ERROR_CANUSB_OPEN_SUBSYSTEM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_OPEN_SUBSYSTEM");
break;
case LAWICEL.ERROR_CANUSB_TX_FIFO_FULL:
AddToCanTrace("Message failed to send: ERROR_CANUSB_TX_FIFO_FULL");
break;
default:
AddToCanTrace("Message failed to send: " + writeResult.ToString());
break;
}
return(false);
}
}
/// <summary>
/// sendMessage send a CANMessage.
/// </summary>
/// <param name="a_message">A CANMessage.</param>
/// <returns>true on success, othewise false.</returns>
override public bool sendMessage(CANMessage a_message)
{
EASYSYNC.CANMsg msg = new EASYSYNC.CANMsg();
msg.id = a_message.getID();
msg.len = a_message.getLength();
msg.flags = a_message.getFlags();
msg.data = a_message.getData();
//Console.WriteLine("Data to send: " + msg.data.ToString("X16"));
//Console.WriteLine("Data (original) to send: " + a_message.getData().ToString("X16"));
int writeResult;
AddToCanTrace("Sending message");
writeResult = EASYSYNC.canusb_Write(m_deviceHandle, ref msg);
if (writeResult == EASYSYNC.ERROR_CANUSB_OK)
{
AddToCanTrace("Message sent successfully");
return(true);
}
else
{
switch (writeResult)
{
case EASYSYNC.ERROR_CANUSB_COMMAND_SUBSYSTEM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_COMMAND_SUBSYSTEM");
break;
case EASYSYNC.ERROR_CANUSB_INVALID_PARAM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_INVALID_PARAM");
break;
case EASYSYNC.ERROR_CANUSB_NO_MESSAGE:
AddToCanTrace("Message failed to send: ERROR_CANUSB_NO_MESSAGE");
break;
case EASYSYNC.ERROR_CANUSB_NOT_OPEN:
AddToCanTrace("Message failed to send: ERROR_CANUSB_NOT_OPEN");
break;
case EASYSYNC.ERROR_CANUSB_OPEN_SUBSYSTEM:
AddToCanTrace("Message failed to send: ERROR_CANUSB_OPEN_SUBSYSTEM");
break;
case EASYSYNC.ERROR_CANUSB_TX_FIFO_FULL:
AddToCanTrace("Message failed to send: ERROR_CANUSB_TX_FIFO_FULL");
break;
default:
AddToCanTrace("Message failed to send: " + writeResult.ToString());
break;
}
return(false);
}
}
/* public CANMessage waitForMessage(uint a_canID, int a_timeout)
* {
* CANMessage retMsg;
* m_canMessage.setID(0); // init so we cannot receive the same frame twice <GS-10022010>
* lock (m_canMessage)
* {
* m_waitMsgID = a_canID;
* }
* m_resetEvent.WaitOne(a_timeout, true);
* lock (m_canMessage)
* {
* retMsg = m_canMessage;
* }
*
* return retMsg;
* }
*/
override public void handleMessage(CANMessage a_message)
{
lock (m_canMessage)
{
if (a_message.getID() == m_waitMsgID)
{
m_canMessage.setData(a_message.getData());
m_canMessage.setFlags(a_message.getFlags());
m_canMessage.setID(a_message.getID());
m_canMessage.setLength(a_message.getLength());
m_canMessage.setTimeStamp(a_message.getTimeStamp());
m_resetEvent.Set();
}
}
}
/// <summary>
/// Send a KWP request.
/// </summary>
/// <param name="a_request">A KWP request.</param>
/// <param name="r_reply">A KWP reply.</param>
/// <returns>The status of the request.</returns>
public RequestResult sendRequest(KWPRequest a_request, out KWPReply r_reply)
{
CANMessage msg = new CANMessage(0x240, 0, 8);
uint row = nrOfRowsToSend(a_request.getData());
m_kwpCanListener.setupWaitMessage(0x258);
// Send one or several request messages.
for (; row > 0; row--)
{
msg.setData(createCanMessage(a_request.getData(), row - 1));
if (!m_canDevice.sendMessage(msg))
{
r_reply = new KWPReply();
return(RequestResult.ErrorSending);
}
}
msg = m_kwpCanListener.waitMessage(timeoutPeriod);
// msg = m_kwpCanListener.waitForMessage(0x258, timeoutPeriod);
// Receive one or several replys and send an ack for each reply.
if (msg.getID() == 0x258)
{
uint nrOfRows = (uint)(msg.getCanData(0) & 0x3F) + 1;
row = 0;
if (nrOfRows == 0)
{
throw new Exception("Wrong nr of rows");
}
//Assume that no KWP reply contains more than 0x200 bytes
byte[] reply = new byte[0x200];
reply = collectReply(reply, msg.getData(), row);
sendAck(nrOfRows - 1);
nrOfRows--;
m_kwpCanListener.setupWaitMessage(0x258);
while (nrOfRows > 0)
{
// msg = m_kwpCanListener.waitForMessage(0x258, timeoutPeriod);
msg = m_kwpCanListener.waitMessage(timeoutPeriod);
if (msg.getID() == 0x258)
{
row++;
reply = collectReply(reply, msg.getData(), row);
sendAck(nrOfRows - 1);
nrOfRows--;
}
else
{
r_reply = new KWPReply();
return(RequestResult.Timeout);
}
}
r_reply = new KWPReply(reply, a_request.getNrOfPID());
return(RequestResult.NoError);
}
else
{
r_reply = new KWPReply();
return(RequestResult.Timeout);
}
}
/// <summary>
/// Send a KWP request.
/// </summary>
/// <param name="a_request">A KWP request.</param>
/// <param name="r_reply">A KWP reply.</param>
/// <returns>The status of the request.</returns>
public override RequestResult sendRequest(KWPRequest a_request, out KWPReply r_reply)
{
uint row;
uint all_rows = row = nrOfRowsToSend(a_request.getData());
m_kwpCanListener.setupWaitMessage(0x258);
// Send one or several request messages.
for (; row > 0; row--)
{
CANMessage msg = new CANMessage(0x240, 0, 8);
msg.elmExpectedResponses = a_request.ElmExpectedResponses;
msg.setData(createCanMessage(a_request.getData(), row - 1));
if ((msg.getData() & 0xFFFFUL) == 0xA141UL)
{
msg.elmExpectedResponses = 0;
}
if (all_rows == 22)
{
msg.elmExpectedResponses = row == 1 ? 1 : 0; // on last message (expect 1 reply)
}
if (!m_canDevice.sendMessage(msg))
{
r_reply = new KWPReply();
return(RequestResult.ErrorSending);
}
}
var response = m_kwpCanListener.waitMessage(getTimeout());
// Receive one or several replys and send an ack for each reply.
if (response.getID() == 0x258)
{
uint nrOfRows = (uint)(response.getCanData(0) & 0x3F) + 1;
row = 0;
if (nrOfRows == 0)
{
throw new Exception("Wrong nr of rows");
}
//Assume that no KWP reply contains more than 0x200 bytes
byte[] reply = new byte[0x200];
reply = collectReply(reply, response.getData(), row);
sendAck(nrOfRows - 1);
nrOfRows--;
m_kwpCanListener.setupWaitMessage(0x258);
while (nrOfRows > 0)
{
response = m_kwpCanListener.waitMessage(getTimeout());
if (response.getID() == 0x258)
{
row++;
reply = collectReply(reply, response.getData(), row);
sendAck(nrOfRows - 1);
nrOfRows--;
}
else
{
logger.Debug("1response.getID == " + response.getID());
r_reply = new KWPReply();
return(RequestResult.Timeout);
}
}
r_reply = new KWPReply(reply, a_request.getNrOfPID());
return(RequestResult.NoError);
}
else
{
logger.Debug("2response.getID == " + response.getID());
r_reply = new KWPReply();
return(RequestResult.Timeout);
}
}
