/// <summary>
/// The open method tries to connect to both busses to see if one of them is connected and
/// active. The first strategy is to listen for any CAN message. If this fails there is a
/// check to see if the application is started after an interrupted flash session. This is
/// done by sending a message to set address and length (only for P-bus).
/// </summary>
/// <returns>OpenResult.OK is returned on success. Otherwise OpenResult.OpenError is
/// returned.</returns>
override public OpenResult open()
{
Canlib.canInitializeLibrary();
if (isOpen())
{
close();
}
// Default to "Allow all"
uint code = 0xFFF;
uint mask = 0x000;
// ID 0x000 will thrash the filter calculation so bypass the whole filter if it's found
foreach (var id in AcceptOnlyMessageIds)
{
if (id == 0)
{
m_filterBypass = true;
}
}
if (m_filterBypass == false)
{
foreach (var id in AcceptOnlyMessageIds)
{
code &= id;
mask |= id;
}
mask = (~mask & 0x7FF) | code;
logger.Debug("code: " + code.ToString("X8"));
logger.Debug("mask: " + mask.ToString("X8"));
}
VerifyFilterIntegrity(code, mask);
Thread.Sleep(200);
m_readThread = new Thread(readMessages)
{
Name = "KvaserCANDevice.m_readThread"
};
if (TrionicECU == ECU.TRIONIC5)
{
OpenChannelWithParamsC200(out handleWrite, CAN_BAUD_BTR_615K_btr0, CAN_BAUD_BTR_615K_btr1);
OpenChannelWithParamsC200(out handleRead, CAN_BAUD_BTR_615K_btr0, CAN_BAUD_BTR_615K_btr1);
Canlib.canSetAcceptanceFilter(handleRead, (int)code, (int)mask, 0);
if (handleWrite < 0 || handleRead < 0)
{
return(OpenResult.OpenError);
}
logger.Debug("P bus connected");
m_endThread = false;
if (m_readThread.ThreadState == ThreadState.Unstarted)
{
m_readThread.Start();
}
return(OpenResult.OK);
}
if (!UseOnlyPBus)
{
if (TrionicECU == ECU.TRIONIC7)
{
OpenChannelWithParamsC200(out handleWrite, CAN_BAUD_BTR_47K_btr0, CAN_BAUD_BTR_47K_btr1);
OpenChannelWithParamsC200(out handleRead, CAN_BAUD_BTR_47K_btr0, CAN_BAUD_BTR_47K_btr1);
Canlib.canSetAcceptanceFilter(handleRead, (int)code, (int)mask, 0);
}
else if (TrionicECU == ECU.TRIONIC8)
{
OpenChannelWithParamsC200(out handleWrite, CAN_BAUD_BTR_33K_btr0, CAN_BAUD_BTR_33K_btr1);
OpenChannelWithParamsC200(out handleRead, CAN_BAUD_BTR_33K_btr0, CAN_BAUD_BTR_33K_btr1);
Canlib.canSetAcceptanceFilter(handleRead, (int)code, (int)mask, 0);
}
if (handleWrite < 0 || handleRead < 0)
{
return(OpenResult.OpenError);
}
logger.Debug("I bus connected");
m_endThread = false;
if (m_readThread.ThreadState == ThreadState.Unstarted)
{
m_readThread.Start();
}
return(OpenResult.OK);
}
OpenChannel(out handleWrite, Canlib.canBITRATE_500K);
OpenChannel(out handleRead, Canlib.canBITRATE_500K);
Canlib.canSetAcceptanceFilter(handleRead, (int)code, (int)mask, 0);
if (handleWrite < 0 || handleRead < 0)
{
return(OpenResult.OpenError);
}
logger.Debug("P bus connected");
m_endThread = false;
if (m_readThread.ThreadState == ThreadState.Unstarted)
{
m_readThread.Start();
}
return(OpenResult.OK);
}
