static void EplEventkRxSignalHandlerCb (
tShbInstance pShbRxInstance_p,
unsigned long ulDataSize_p)
{
tEplEvent *pEplEvent;
tShbError ShbError;
//unsigned long ulBlockCount;
//unsigned long ulDataSize;
BYTE abDataBuffer[sizeof(tEplEvent) + EPL_MAX_EVENT_ARG_SIZE];
// d.k.: abDataBuffer contains the complete tEplEvent structure
// and behind this the argument
// TGT_DBG_SIGNAL_TRACE_POINT(20);
BENCHMARK_MOD_27_RESET(0);
// copy data from event queue
ShbError = ShbCirReadDataBlock (pShbRxInstance_p,
&abDataBuffer[0],
sizeof(abDataBuffer),
&ulDataSize_p);
if(ShbError != kShbOk)
{
// error goto exit
goto Exit;
}
// resolve the pointer to the event structure
pEplEvent = (tEplEvent *) abDataBuffer;
// set Datasize
pEplEvent->m_uiSize = (ulDataSize_p - sizeof(tEplEvent));
if(pEplEvent->m_uiSize > 0)
{
// set pointer to argument
pEplEvent->m_pArg = &abDataBuffer[sizeof(tEplEvent)];
}
else
{
//set pointer to NULL
pEplEvent->m_pArg = NULL;
}
BENCHMARK_MOD_27_SET(0);
// call processfunction
EplEventkProcess(pEplEvent);
Exit:
return;
}
static void EplEventkRxSignalHandlerCb (
tShbInstance pShbRxInstance_p,
unsigned long ulDataSize_p)
{
tEplEvent *pEplEvent;
tShbError ShbError;
BYTE* pabDataBuffer;
TGT_DBG_SIGNAL_TRACE_POINT(20);
pabDataBuffer = &EplEventkInstance_g.m_abRxBuffer[0];
BENCHMARK_MOD_27_RESET(0);
// copy data from event queue
ShbError = ShbCirReadDataBlock (pShbRxInstance_p,
pabDataBuffer,
sizeof(EplEventkInstance_g.m_abRxBuffer),
&ulDataSize_p);
if(ShbError != kShbOk)
{
EplEventkPostError(kEplEventSourceEventk, kEplEventReadError, sizeof (ShbError), &ShbError);
// error goto exit
goto Exit;
}
// resolve the pointer to the event structure
pEplEvent = (tEplEvent *) pabDataBuffer;
// set Datasize
pEplEvent->m_uiSize = (ulDataSize_p - sizeof(tEplEvent));
if(pEplEvent->m_uiSize > 0)
{
// set pointer to argument
pEplEvent->m_pArg = &pabDataBuffer[sizeof(tEplEvent)];
}
else
{
//set pointer to NULL
pEplEvent->m_pArg = NULL;
}
BENCHMARK_MOD_27_SET(0);
// call processfunction
EplEventkProcess(pEplEvent);
Exit:
return;
}
tEplKernel PUBLIC EplEventkPost(tEplEvent * pEvent_p)
{
tEplKernel Ret;
#if EPL_USE_SHAREDBUFF != FALSE
tShbError ShbError;
tShbCirChunk ShbCirChunk;
unsigned long ulDataSize;
unsigned int fBufferCompleted;
#endif
Ret = kEplSuccessful;
// the event must be posted by using the abBuffer
// it is neede because the Argument must by copied
// to the buffer too and not only the pointer
#if EPL_USE_SHAREDBUFF != FALSE
// 2006/08/03 d.k.: Event and argument are posted as separate chunks to the event queue.
ulDataSize = sizeof(tEplEvent) + ((pEvent_p->m_pArg != NULL) ? pEvent_p->m_uiSize : 0);
#endif
// decide in which buffer the event have to write
switch(pEvent_p->m_EventSink)
{
// kernelspace modules
case kEplEventSinkSync:
case kEplEventSinkNmtk:
case kEplEventSinkDllk:
case kEplEventSinkDllkCal:
case kEplEventSinkPdok:
case kEplEventSinkPdokCal:
case kEplEventSinkErrk:
{
BENCHMARK_MOD_27_SET(2);
#if (EPL_USE_SHAREDBUFF != FALSE) \
&& (EPL_EVENT_USE_KERNEL_QUEUE != FALSE)
// post message
ShbError = ShbCirAllocDataBlock (EplEventkInstance_g.m_pShbKernelInternalInstance,
&ShbCirChunk,
ulDataSize);
switch (ShbError)
{
case kShbOk:
break;
case kShbBufferFull:
{
EplEventkInstance_g.m_uiUserToKernelFullCount++;
Ret = kEplEventPostError;
goto Exit;
}
default:
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirAllocDataBlock(U2K) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
}
ShbError = ShbCirWriteDataChunk (EplEventkInstance_g.m_pShbKernelInternalInstance,
&ShbCirChunk,
pEvent_p,
sizeof (tEplEvent),
&fBufferCompleted);
if (ShbError != kShbOk)
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirWriteDataChunk(U2K) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
if (fBufferCompleted == FALSE)
{
ShbError = ShbCirWriteDataChunk (EplEventkInstance_g.m_pShbKernelInternalInstance,
&ShbCirChunk,
pEvent_p->m_pArg,
(unsigned long) pEvent_p->m_uiSize,
&fBufferCompleted);
if ((ShbError != kShbOk) || (fBufferCompleted == FALSE))
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirWriteDataChunk2(U2K) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
}
#else
#if EPL_EVENT_USE_KERNEL_QUEUE == FALSE
EplTgtEnableGlobalInterrupt(FALSE);
#endif
Ret = EplEventkProcess(pEvent_p);
#if EPL_EVENT_USE_KERNEL_QUEUE == FALSE
EplTgtEnableGlobalInterrupt(TRUE);
#endif
#endif
BENCHMARK_MOD_27_RESET(2);
break;
}
// userspace modules
case kEplEventSinkNmtu:
case kEplEventSinkNmtMnu:
case kEplEventSinkSdoAsySeq:
case kEplEventSinkApi:
case kEplEventSinkDlluCal:
case kEplEventSinkErru:
{
#if EPL_USE_SHAREDBUFF != FALSE
// post message
// BENCHMARK_MOD_27_SET(3); // 74 µs until reset
ShbError = ShbCirAllocDataBlock (EplEventkInstance_g.m_pShbKernelToUserInstance,
&ShbCirChunk,
ulDataSize);
if(ShbError != kShbOk)
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirAllocDataBlock(K2U) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
ShbError = ShbCirWriteDataChunk (EplEventkInstance_g.m_pShbKernelToUserInstance,
&ShbCirChunk,
pEvent_p,
sizeof (tEplEvent),
&fBufferCompleted);
if(ShbError != kShbOk)
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirWriteDataChunk(K2U) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
if (fBufferCompleted == FALSE)
{
ShbError = ShbCirWriteDataChunk (EplEventkInstance_g.m_pShbKernelToUserInstance,
&ShbCirChunk,
pEvent_p->m_pArg,
(unsigned long) pEvent_p->m_uiSize,
&fBufferCompleted);
if ((ShbError != kShbOk) || (fBufferCompleted == FALSE))
{
EPL_DBGLVL_EVENTK_TRACE("EplEventkPost(): ShbCirWriteDataChunk2(K2U) -> 0x%X\n", ShbError);
Ret = kEplEventPostError;
goto Exit;
}
}
// BENCHMARK_MOD_27_RESET(3); // 82 µs until ShbCirGetReadDataSize() in EplEventu
#else
Ret = EplEventuProcess(pEvent_p);
#endif
break;
}
default:
{
Ret = kEplEventUnknownSink;
}
}// end of switch(pEvent_p->m_EventSink)
#if EPL_USE_SHAREDBUFF != FALSE
Exit:
#endif
return Ret;
}
tEplKernel PUBLIC EplEventkProcess(tEplEvent* pEvent_p)
{
tEplKernel Ret;
tEplEventSource EventSource;
Ret = kEplSuccessful;
#if (EPL_USE_SHAREDBUFF != FALSE) \
&& (EPL_EVENT_USE_KERNEL_QUEUE != FALSE)
// error handling if event queue is full
if (EplEventkInstance_g.m_uiUserToKernelFullCount > 0)
{ // UserToKernel event queue has run out of space -> kEplNmtEventInternComError
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTK)) != 0)
tEplEvent Event;
tEplNmtEvent NmtEvent;
#endif
// directly call NMTk process function, because event queue is full
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTK)) != 0)
NmtEvent = kEplNmtEventInternComError;
Event.m_EventSink = kEplEventSinkNmtk;
Event.m_NetTime.m_dwNanoSec = 0;
Event.m_NetTime.m_dwSec = 0;
Event.m_EventType = kEplEventTypeNmtEvent;
Event.m_pArg = &NmtEvent;
Event.m_uiSize = sizeof(NmtEvent);
Ret = EplNmtkProcess(&Event);
#endif
// NMT state machine changed to reset (i.e. NMT_GS_RESET_COMMUNICATION)
// now, it is safe to reset the counter and empty the event queue
ShbCirResetBuffer (EplEventkInstance_g.m_pShbUserToKernelInstance, 1000, NULL);
EplEventkInstance_g.m_uiUserToKernelFullCount = 0;
TGT_DBG_SIGNAL_TRACE_POINT(22);
// also discard the current event (it doesn't matter if we lose another event)
goto Exit;
}
#endif
// check m_EventSink
switch(pEvent_p->m_EventSink)
{
// NMT-Kernel-Modul
case kEplEventSinkNmtk:
{
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTK)) != 0)
Ret = EplNmtkProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourceNmtk;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
#endif
BENCHMARK_MOD_27_RESET(0);
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
if ((pEvent_p->m_EventType == kEplEventTypeNmtEvent)
&& (*((tEplNmtEvent*)pEvent_p->m_pArg) == kEplNmtEventDllCeSoa))
{
BENCHMARK_MOD_27_SET(0);
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
// forward SoA event to DLLk module for cycle preprocessing
Ret = EplDllkProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourceDllk;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
#endif
BENCHMARK_MOD_27_RESET(0);
}
#endif
break;
}
// events for Dllk module
case kEplEventSinkDllk:
{
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
Ret = EplDllkProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourceDllk;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
#endif
break;
}
// events for DllkCal module
case kEplEventSinkDllkCal:
{
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
Ret = EplDllkCalProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourceDllk;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
#endif
break;
}
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0)
// events for PDO CAL module
case kEplEventSinkPdokCal:
{
Ret = EplPdokCalProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourcePdok;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
break;
}
#endif
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
// events for Error handler module
case kEplEventSinkErrk:
{
// only call error handler if DLL is present
Ret = EplErrorHandlerkProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown))
{
EventSource = kEplEventSourceErrk;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
break;
}
#endif
// unknown sink
default:
{
Ret = kEplEventUnknownSink;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(pEvent_p->m_EventSink),
&pEvent_p->m_EventSink);
}
} // end of switch(pEvent_p->m_EventSink)
#if (EPL_USE_SHAREDBUFF != FALSE) \
&& (EPL_EVENT_USE_KERNEL_QUEUE != FALSE)
Exit:
#endif
return Ret;
}