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;
}
tEplKernel EplEventkProcess(tEplEvent *pEvent_p)
{
tEplKernel Ret;
tEplEventSource EventSource;
Ret = kEplSuccessful;
// 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
#ifndef EPL_NO_FIFO
tShbError ShbError;
#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
#ifndef EPL_NO_FIFO
ShbError =
ShbCirResetBuffer(EplEventkInstance_g.
m_pShbUserToKernelInstance, 1000, NULL);
#endif
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;
}
// check m_EventSink
switch (pEvent_p->m_EventSink) {
case kEplEventSinkSync:
{
if (EplEventkInstance_g.m_pfnCbSync != NULL) {
Ret = EplEventkInstance_g.m_pfnCbSync();
if (Ret == kEplSuccessful) {
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0)
// mark TPDOs as valid
Ret = EplPdokCalSetTpdosValid(TRUE);
#endif
} else if ((Ret != kEplReject)
&& (Ret != kEplShutdown)) {
EventSource = kEplEventSourceSyncCb;
// Error event for API layer
EplEventkPostError
(kEplEventSourceEventk, Ret,
sizeof(EventSource), &EventSource);
}
}
break;
}
// 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
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
if ((pEvent_p->m_EventType == kEplEventTypeNmtEvent)
&&
((*((tEplNmtEvent *) pEvent_p->m_pArg) ==
kEplNmtEventDllCeSoa)
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
|| (*((tEplNmtEvent *) pEvent_p->m_pArg) ==
kEplNmtEventDllMeSoaSent)
#endif
)) { // forward SoA event to error handler
Ret = EplErrorHandlerkProcess(pEvent_p);
if ((Ret != kEplSuccessful)
&& (Ret != kEplShutdown)) {
EventSource = kEplEventSourceErrk;
// Error event for API layer
EplEventkPostError
(kEplEventSourceEventk, Ret,
sizeof(EventSource), &EventSource);
}
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0)
// forward SoA event to PDO module
pEvent_p->m_EventType = kEplEventTypePdoSoa;
Ret = EplPdokProcess(pEvent_p);
if ((Ret != kEplSuccessful)
&& (Ret != kEplShutdown)) {
EventSource = kEplEventSourcePdok;
// Error event for API layer
EplEventkPostError
(kEplEventSourceEventk, Ret,
sizeof(EventSource), &EventSource);
}
#endif
}
break;
#endif
}
// 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;
}
//
case kEplEventSinkPdok:
{
// PDO-Module
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0)
Ret = EplPdokProcess(pEvent_p);
if ((Ret != kEplSuccessful) && (Ret != kEplShutdown)) {
EventSource = kEplEventSourcePdok;
// Error event for API layer
EplEventkPostError(kEplEventSourceEventk,
Ret,
sizeof(EventSource),
&EventSource);
}
#endif
break;
}
// events for Error handler module
case kEplEventSinkErrk:
{
// only call error handler if DLL is present
#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
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;
}
} // end of switch(pEvent_p->m_EventSink)
Exit:
return Ret;
}