Staging: remove epl driver

This is no longer maintained upstream, and no one cares about it at all,
so delete it.

The fact that it is duplicating an existing network driver also is a
good reason to remove it, it's causing nothing but trouble right now.

Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Cc: Ronald Sieber <Ronald.Sieber@systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 2522 deletions

diff --git a/drivers/staging/epl/EplSdoAsySequ.c b/drivers/staging/epl/EplSdoAsySequ.c
deleted file mode 100644
index 256d7086634..00000000000
--- a/drivers/staging/epl/EplSdoAsySequ.c
+++ /dev/null
@@ -1,2522 +0,0 @@
-/****************************************************************************
-
-  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
-      www.systec-electronic.com
-
-  Project:      openPOWERLINK
-
-  Description:  source file for asychronous SDO Sequence Layer module
-
-  License:
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions
-    are met:
-
-    1. Redistributions of source code must retain the above copyright
-       notice, this list of conditions and the following disclaimer.
-
-    2. Redistributions in binary form must reproduce the above copyright
-       notice, this list of conditions and the following disclaimer in the
-       documentation and/or other materials provided with the distribution.
-
-    3. Neither the name of SYSTEC electronic GmbH nor the names of its
-       contributors may be used to endorse or promote products derived
-       from this software without prior written permission. For written
-       permission, please contact info@systec-electronic.com.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-    COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-    POSSIBILITY OF SUCH DAMAGE.
-
-    Severability Clause:
-
-        If a provision of this License is or becomes illegal, invalid or
-        unenforceable in any jurisdiction, that shall not affect:
-        1. the validity or enforceability in that jurisdiction of any other
-           provision of this License; or
-        2. the validity or enforceability in other jurisdictions of that or
-           any other provision of this License.
-
-  -------------------------------------------------------------------------
-
-                $RCSfile: EplSdoAsySequ.c,v $
-
-                $Author: D.Krueger $
-
-                $Revision: 1.10 $  $Date: 2008/11/13 17:13:09 $
-
-                $State: Exp $
-
-                Build Environment:
-                    GCC V3.4
-
-  -------------------------------------------------------------------------
-
-  Revision History:
-
-  2006/06/26 k.t.:   start of the implementation
-
-****************************************************************************/
-
-#include "user/EplSdoAsySequ.h"
-
-#if ((((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) == 0) &&\
-     (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) == 0)   )
-
-#error 'ERROR: At least UDP or Asnd module needed!'
-
-#endif
-/***************************************************************************/
-/*                                                                         */
-/*                                                                         */
-/*          G L O B A L   D E F I N I T I O N S                            */
-/*                                                                         */
-/*                                                                         */
-/***************************************************************************/
-
-//---------------------------------------------------------------------------
-// const defines
-//---------------------------------------------------------------------------
-
-#define EPL_SDO_HISTORY_SIZE        5
-
-#ifndef EPL_MAX_SDO_SEQ_CON
-#define EPL_MAX_SDO_SEQ_CON         10
-#endif
-
-#define EPL_SEQ_DEFAULT_TIMEOUT     5000	// in [ms] => 5 sec
-
-#define EPL_SEQ_RETRY_COUNT         5	// => max. Timeout 30 sec
-
-#define EPL_SEQ_NUM_THRESHOLD       100	// threshold which distinguishes between old and new sequence numbers
-
-// define frame with size of Asnd-Header-, SDO Sequenze Header size, SDO Command header
-// and Ethernet-Header size
-#define EPL_SEQ_FRAME_SIZE          24
-// size of the header of the asynchronus SDO Sequence layer
-#define EPL_SEQ_HEADER_SIZE         4
-
-// buffersize for one frame in history
-#define EPL_SEQ_HISTROY_FRAME_SIZE  EPL_MAX_SDO_FRAME_SIZE
-
-// mask to get scon and rcon
-#define EPL_ASY_SDO_CON_MASK        0x03
-
-//---------------------------------------------------------------------------
-// local types
-//---------------------------------------------------------------------------
-
-// events for processfunction
-typedef enum {
-	kAsySdoSeqEventNoEvent = 0x00,	// no Event
-	kAsySdoSeqEventInitCon = 0x01,	// init connection
-	kAsySdoSeqEventFrameRec = 0x02,	// frame received
-	kAsySdoSeqEventFrameSend = 0x03,	// frame to send
-	kAsySdoSeqEventTimeout = 0x04,	// Timeout for connection
-	kAsySdoSeqEventCloseCon = 0x05	// higher layer close connection
-} tEplAsySdoSeqEvent;
-
-// structure for History-Buffer
-typedef struct {
-	u8 m_bFreeEntries;
-	u8 m_bWrite;		// index of the next free buffer entry
-	u8 m_bAck;		// index of the next message which should become acknowledged
-	u8 m_bRead;		// index between m_bAck and m_bWrite to the next message for retransmission
-	u8 m_aabHistoryFrame[EPL_SDO_HISTORY_SIZE]
-	    [EPL_SEQ_HISTROY_FRAME_SIZE];
-	unsigned int m_auiFrameSize[EPL_SDO_HISTORY_SIZE];
-
-} tEplAsySdoConHistory;
-
-// state of the statemaschine
-typedef enum {
-	kEplAsySdoStateIdle = 0x00,
-	kEplAsySdoStateInit1 = 0x01,
-	kEplAsySdoStateInit2 = 0x02,
-	kEplAsySdoStateInit3 = 0x03,
-	kEplAsySdoStateConnected = 0x04,
-	kEplAsySdoStateWaitAck = 0x05
-} tEplAsySdoState;
-
-// connection control structure
-typedef struct {
-	tEplSdoConHdl m_ConHandle;
-	tEplAsySdoState m_SdoState;
-	u8 m_bRecSeqNum;	// name from view of the communication partner
-	u8 m_bSendSeqNum;	// name from view of the communication partner
-	tEplAsySdoConHistory m_SdoConHistory;
-	tEplTimerHdl m_EplTimerHdl;
-	unsigned int m_uiRetryCount;	// retry counter
-	unsigned int m_uiUseCount;	// one sequence layer connection may be used by
-	// multiple command layer connections
-
-} tEplAsySdoSeqCon;
-
-// instance structure
-typedef struct {
-	tEplAsySdoSeqCon m_AsySdoConnection[EPL_MAX_SDO_SEQ_CON];
-	tEplSdoComReceiveCb m_fpSdoComReceiveCb;
-	tEplSdoComConCb m_fpSdoComConCb;
-
-#if defined(WIN32) || defined(_WIN32)
-	LPCRITICAL_SECTION m_pCriticalSection;
-	CRITICAL_SECTION m_CriticalSection;
-
-	LPCRITICAL_SECTION m_pCriticalSectionReceive;
-	CRITICAL_SECTION m_CriticalSectionReceive;
-#endif
-
-} tEplAsySdoSequInstance;
-
-//---------------------------------------------------------------------------
-// modul globale vars
-//---------------------------------------------------------------------------
-
-static tEplAsySdoSequInstance AsySdoSequInstance_g;
-
-//---------------------------------------------------------------------------
-// local function prototypes
-//---------------------------------------------------------------------------
-
-static tEplKernel EplSdoAsySeqProcess(unsigned int uiHandle_p,
-				      unsigned int uiDataSize_p,
-				      tEplFrame * pData_p,
-				      tEplAsySdoSeq * pRecFrame_p,
-				      tEplAsySdoSeqEvent Event_p);
-
-static tEplKernel EplSdoAsySeqSendIntern(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					 unsigned int uiDataSize_p,
-					 tEplFrame * pData_p,
-					 BOOL fFrameInHistory);
-
-static tEplKernel EplSdoAsySeqSendLowerLayer(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     unsigned int uiDataSize_p,
-					     tEplFrame * pEplFrame_p);
-
-tEplKernel EplSdoAsyReceiveCb(tEplSdoConHdl ConHdl_p,
-			      tEplAsySdoSeq *pSdoSeqData_p,
-			      unsigned int uiDataSize_p);
-
-static tEplKernel EplSdoAsyInitHistory(void);
-
-static tEplKernel EplSdoAsyAddFrameToHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     tEplFrame * pFrame_p,
-					     unsigned int uiSize_p);
-
-static tEplKernel EplSdoAsyAckFrameToHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     u8 bRecSeqNumber_p);
-
-static tEplKernel EplSdoAsyReadFromHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					   tEplFrame ** ppFrame_p,
-					   unsigned int *puiSize_p,
-					   BOOL fInitRead);
-
-static unsigned int EplSdoAsyGetFreeEntriesFromHistory(tEplAsySdoSeqCon *
-						       pAsySdoSeqCon_p);
-
-static tEplKernel EplSdoAsySeqSetTimer(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-				       unsigned long ulTimeout);
-
-/***************************************************************************/
-/*                                                                         */
-/*                                                                         */
-/*          C L A S S  <EPL asychronus SDO Sequence layer>                 */
-/*                                                                         */
-/*                                                                         */
-/***************************************************************************/
-//
-// Description: this module contains the asynchronus SDO Sequence Layer for
-//              the EPL SDO service
-//
-//
-/***************************************************************************/
-
-//=========================================================================//
-//                                                                         //
-//          P U B L I C   F U N C T I O N S                                //
-//                                                                         //
-//=========================================================================//
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqInit
-//
-// Description: init first instance
-//
-//
-//
-// Parameters:  fpSdoComCb_p    = callback function to inform Command layer
-//                                about new frames
-//              fpSdoComConCb_p = callback function to inform command layer
-//                                about connection state
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqInit(tEplSdoComReceiveCb fpSdoComCb_p,
-			    tEplSdoComConCb fpSdoComConCb_p)
-{
-	tEplKernel Ret;
-
-	Ret = EplSdoAsySeqAddInstance(fpSdoComCb_p, fpSdoComConCb_p);
-
-	return Ret;
-
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqAddInstance
-//
-// Description: init following instances
-//
-//
-//
-// Parameters:  fpSdoComCb_p    = callback function to inform Command layer
-//                                about new frames
-//              fpSdoComConCb_p = callback function to inform command layer
-//                                about connection state
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqAddInstance(tEplSdoComReceiveCb fpSdoComCb_p,
-				   tEplSdoComConCb fpSdoComConCb_p)
-{
-	tEplKernel Ret;
-
-	Ret = kEplSuccessful;
-
-	// check functionpointer
-	if (fpSdoComCb_p == NULL) {
-		Ret = kEplSdoSeqMissCb;
-		goto Exit;
-	} else {
-		AsySdoSequInstance_g.m_fpSdoComReceiveCb = fpSdoComCb_p;
-	}
-
-	// check functionpointer
-	if (fpSdoComConCb_p == NULL) {
-		Ret = kEplSdoSeqMissCb;
-		goto Exit;
-	} else {
-		AsySdoSequInstance_g.m_fpSdoComConCb = fpSdoComConCb_p;
-	}
-
-	// set controllstructure to 0
-	EPL_MEMSET(&AsySdoSequInstance_g.m_AsySdoConnection[0], 0x00,
-		   sizeof(AsySdoSequInstance_g.m_AsySdoConnection));
-
-	// init History
-	Ret = EplSdoAsyInitHistory();
-	if (Ret != kEplSuccessful) {
-		goto Exit;
-	}
-#if defined(WIN32) || defined(_WIN32)
-	// create critical section for process function
-	AsySdoSequInstance_g.m_pCriticalSection =
-	    &AsySdoSequInstance_g.m_CriticalSection;
-	InitializeCriticalSection(AsySdoSequInstance_g.m_pCriticalSection);
-
-	// init critical section for receive cb function
-	AsySdoSequInstance_g.m_pCriticalSectionReceive =
-	    &AsySdoSequInstance_g.m_CriticalSectionReceive;
-	InitializeCriticalSection(AsySdoSequInstance_g.
-				  m_pCriticalSectionReceive);
-#endif
-
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-	// init lower layer
-	Ret = EplSdoUdpuAddInstance(EplSdoAsyReceiveCb);
-	if (Ret != kEplSuccessful) {
-		goto Exit;
-	}
-#endif
-
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-	// init lower layer
-	Ret = EplSdoAsnduAddInstance(EplSdoAsyReceiveCb);
-	if (Ret != kEplSuccessful) {
-		goto Exit;
-	}
-#endif
-
-      Exit:
-	return Ret;
-
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqDelInstance
-//
-// Description: delete instances
-//
-//
-//
-// Parameters:
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqDelInstance(void)
-{
-	tEplKernel Ret;
-	unsigned int uiCount;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-
-	Ret = kEplSuccessful;
-
-	// delete timer of open connections
-	uiCount = 0;
-	pAsySdoSeqCon = &AsySdoSequInstance_g.m_AsySdoConnection[0];
-	while (uiCount < EPL_MAX_SDO_SEQ_CON) {
-		if (pAsySdoSeqCon->m_ConHandle != 0) {
-			EplTimeruDeleteTimer(&pAsySdoSeqCon->m_EplTimerHdl);
-		}
-		uiCount++;
-		pAsySdoSeqCon++;
-	}
-
-#if defined(WIN32) || defined(_WIN32)
-	// delete critical section for process function
-	DeleteCriticalSection(AsySdoSequInstance_g.m_pCriticalSection);
-#endif
-
-	// set instance-table to 0
-	EPL_MEMSET(&AsySdoSequInstance_g, 0x00, sizeof(AsySdoSequInstance_g));
-
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-	// delete lower layer
-	Ret = EplSdoUdpuDelInstance();
-#endif
-
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-	// delete lower layer
-	Ret = EplSdoAsnduDelInstance();
-#endif
-
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqInitCon
-//
-// Description: start initialization of a sequence layer connection.
-//              It tries to reuse an existing connection to the same node.
-//
-//
-// Parameters:  pSdoSeqConHdl_p = pointer to the variable for the connection handle
-//              uiNodeId_p      = Node Id of the target
-//              SdoType          = Type of the SDO connection
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqInitCon(tEplSdoSeqConHdl *pSdoSeqConHdl_p,
-			       unsigned int uiNodeId_p,
-			       tEplSdoType SdoType)
-{
-	tEplKernel Ret;
-	unsigned int uiCount;
-	unsigned int uiFreeCon;
-	tEplSdoConHdl ConHandle;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-	Ret = kEplSuccessful;
-
-	// check SdoType
-	// call init function of the protcol abstraction layer
-	// which tries to find an existing connection to the same node
-	switch (SdoType) {
-		// SDO over UDP
-	case kEplSdoTypeUdp:
-		{
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-			Ret = EplSdoUdpuInitCon(&ConHandle, uiNodeId_p);
-			if (Ret != kEplSuccessful) {
-				goto Exit;
-			}
-#else
-			Ret = kEplSdoSeqUnsupportedProt;
-#endif
-			break;
-		}
-
-		// SDO over Asnd
-	case kEplSdoTypeAsnd:
-		{
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-			Ret = EplSdoAsnduInitCon(&ConHandle, uiNodeId_p);
-			if (Ret != kEplSuccessful) {
-				goto Exit;
-			}
-#else
-			Ret = kEplSdoSeqUnsupportedProt;
-#endif
-			break;
-		}
-
-		// unsupported protocols
-		// -> auto should be replaced by command layer
-	case kEplSdoTypeAuto:
-	case kEplSdoTypePdo:
-	default:
-		{
-			Ret = kEplSdoSeqUnsupportedProt;
-			goto Exit;
-		}
-
-	}			// end of switch(SdoType)
-
-	// find existing connection to the same node or find empty entry for connection
-	uiCount = 0;
-	uiFreeCon = EPL_MAX_SDO_SEQ_CON;
-	pAsySdoSeqCon = &AsySdoSequInstance_g.m_AsySdoConnection[0];
-
-	while (uiCount < EPL_MAX_SDO_SEQ_CON) {
-		if (pAsySdoSeqCon->m_ConHandle == ConHandle) {	// existing connection found
-			break;
-		}
-		if (pAsySdoSeqCon->m_ConHandle == 0) {
-			uiFreeCon = uiCount;
-		}
-		uiCount++;
-		pAsySdoSeqCon++;
-	}
-
-	if (uiCount == EPL_MAX_SDO_SEQ_CON) {
-		if (uiFreeCon == EPL_MAX_SDO_SEQ_CON) {	// no free entry found
-			switch (SdoType) {
-				// SDO over UDP
-			case kEplSdoTypeUdp:
-				{
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-					Ret = EplSdoUdpuDelCon(ConHandle);
-					if (Ret != kEplSuccessful) {
-						goto Exit;
-					}
-#endif
-					break;
-				}
-
-				// SDO over Asnd
-			case kEplSdoTypeAsnd:
-				{
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-					Ret = EplSdoAsnduDelCon(ConHandle);
-					if (Ret != kEplSuccessful) {
-						goto Exit;
-					}
-#endif
-					break;
-				}
-
-				// unsupported protocols
-				// -> auto should be replaced by command layer
-			case kEplSdoTypeAuto:
-			case kEplSdoTypePdo:
-			default:
-				{
-					Ret = kEplSdoSeqUnsupportedProt;
-					goto Exit;
-				}
-
-			}	// end of switch(SdoType)
-
-			Ret = kEplSdoSeqNoFreeHandle;
-			goto Exit;
-		} else {	// free entry found
-			pAsySdoSeqCon =
-			    &AsySdoSequInstance_g.m_AsySdoConnection[uiFreeCon];
-			pAsySdoSeqCon->m_ConHandle = ConHandle;
-			uiCount = uiFreeCon;
-		}
-	}
-	// set handle
-	*pSdoSeqConHdl_p = (uiCount | EPL_SDO_ASY_HANDLE);
-
-	// increment use counter
-	pAsySdoSeqCon->m_uiUseCount++;
-
-	// call intern process function
-	Ret = EplSdoAsySeqProcess(uiCount,
-				  0, NULL, NULL, kAsySdoSeqEventInitCon);
-
-      Exit:
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqSendData
-//
-// Description: send sata unsing a established connection
-//
-//
-//
-// Parameters:  pSdoSeqConHdl_p = connection handle
-//              uiDataSize_p    = Size of Frame to send
-//                                  -> wihtout SDO sequence layer header, Asnd header
-//                                     and ethernetnet
-//                                  ==> SDO Sequence layer payload
-//              SdoType          = Type of the SDO connection
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqSendData(tEplSdoSeqConHdl SdoSeqConHdl_p,
-				unsigned int uiDataSize_p,
-				tEplFrame *pabData_p)
-{
-	tEplKernel Ret;
-	unsigned int uiHandle;
-
-	uiHandle = (SdoSeqConHdl_p & ~EPL_SDO_SEQ_HANDLE_MASK);
-
-	// check if connection ready
-	if (AsySdoSequInstance_g.m_AsySdoConnection[uiHandle].m_SdoState ==
-	    kEplAsySdoStateIdle) {
-		// no connection with this handle
-		Ret = kEplSdoSeqInvalidHdl;
-		goto Exit;
-	} else if (AsySdoSequInstance_g.m_AsySdoConnection[uiHandle].
-		   m_SdoState != kEplAsySdoStateConnected) {
-		Ret = kEplSdoSeqConnectionBusy;
-		goto Exit;
-	}
-
-	Ret = EplSdoAsySeqProcess(uiHandle,
-				  uiDataSize_p,
-				  pabData_p, NULL, kAsySdoSeqEventFrameSend);
-      Exit:
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqProcessEvent
-//
-// Description: function processes extern events
-//              -> later needed for timeout controll with timer-module
-//
-//
-//
-// Parameters:  pEvent_p = pointer to event
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqProcessEvent(tEplEvent *pEvent_p)
-{
-	tEplKernel Ret;
-	tEplTimerEventArg *pTimerEventArg;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-	tEplTimerHdl EplTimerHdl;
-	unsigned int uiCount;
-
-	Ret = kEplSuccessful;
-	// check parameter
-	if (pEvent_p == NULL) {
-		Ret = kEplSdoSeqInvalidEvent;
-		goto Exit;
-	}
-
-	if (pEvent_p->m_EventType != kEplEventTypeTimer) {
-		Ret = kEplSdoSeqInvalidEvent;
-		goto Exit;
-	}
-	// get timerhdl
-	pTimerEventArg = (tEplTimerEventArg *) pEvent_p->m_pArg;
-	EplTimerHdl = pTimerEventArg->m_TimerHdl;
-
-	// get pointer to intern control structure of connection
-	if (pTimerEventArg->m_ulArg == 0) {
-		goto Exit;
-	}
-	pAsySdoSeqCon = (tEplAsySdoSeqCon *) pTimerEventArg->m_ulArg;
-
-	// check if time is current
-	if (EplTimerHdl != pAsySdoSeqCon->m_EplTimerHdl) {
-		// delete timer
-		EplTimeruDeleteTimer(&EplTimerHdl);
-		goto Exit;
-	}
-	// delete timer
-	EplTimeruDeleteTimer(&pAsySdoSeqCon->m_EplTimerHdl);
-
-	// get indexnumber of control structure
-	uiCount = 0;
-	while ((&AsySdoSequInstance_g.m_AsySdoConnection[uiCount]) !=
-	       pAsySdoSeqCon) {
-		uiCount++;
-		if (uiCount > EPL_MAX_SDO_SEQ_CON) {
-			goto Exit;
-		}
-	}
-
-	// process event and call processfunction if needed
-	Ret = EplSdoAsySeqProcess(uiCount,
-				  0, NULL, NULL, kAsySdoSeqEventTimeout);
-
-      Exit:
-	return Ret;
-
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqDelCon
-//
-// Description: del and close one connection
-//
-//
-//
-// Parameters:  SdoSeqConHdl_p = handle of connection
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsySeqDelCon(tEplSdoSeqConHdl SdoSeqConHdl_p)
-{
-	tEplKernel Ret = kEplSuccessful;
-	unsigned int uiHandle;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-
-	uiHandle = (SdoSeqConHdl_p & ~EPL_SDO_SEQ_HANDLE_MASK);
-
-	// check if handle invalid
-	if (uiHandle >= EPL_MAX_SDO_SEQ_CON) {
-		Ret = kEplSdoSeqInvalidHdl;
-		goto Exit;
-	}
-	// get pointer to connection
-	pAsySdoSeqCon = &AsySdoSequInstance_g.m_AsySdoConnection[uiHandle];
-
-	// decrement use counter
-	pAsySdoSeqCon->m_uiUseCount--;
-
-	if (pAsySdoSeqCon->m_uiUseCount == 0) {
-		// process close in processfunction
-		Ret = EplSdoAsySeqProcess(uiHandle,
-					  0,
-					  NULL, NULL, kAsySdoSeqEventCloseCon);
-
-		//check protocol
-		if ((pAsySdoSeqCon->m_ConHandle & EPL_SDO_ASY_HANDLE_MASK) ==
-		    EPL_SDO_UDP_HANDLE) {
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-			// call close function of lower layer
-			EplSdoUdpuDelCon(pAsySdoSeqCon->m_ConHandle);
-#endif // end of #if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-		} else {
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-			// call close function of lower layer
-			EplSdoAsnduDelCon(pAsySdoSeqCon->m_ConHandle);
-#endif // end of #if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-		}
-
-		// delete timer
-		EplTimeruDeleteTimer(&pAsySdoSeqCon->m_EplTimerHdl);
-
-		// clean controllstructure
-		EPL_MEMSET(pAsySdoSeqCon, 0x00, sizeof(tEplAsySdoSeqCon));
-		pAsySdoSeqCon->m_SdoConHistory.m_bFreeEntries =
-		    EPL_SDO_HISTORY_SIZE;
-	}
-
-      Exit:
-	return Ret;
-
-}
-
-//=========================================================================//
-//                                                                         //
-//          P R I V A T E   F U N C T I O N S                              //
-//                                                                         //
-//=========================================================================//
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplEplSdoAsySeqProcess
-//
-// Description: intern function to process the asynchronus SDO Sequence Layer
-//              state maschine
-//
-//
-//
-// Parameters:  uiHandle_p      = index of the control structure of the connection
-//              uiDataSize_p    = size of data frame to process (can be 0)
-//                                  -> without size of sequence header and Asnd header!!!
-//
-//              pData_p         = pointer to frame to send (can be NULL)
-//              pRecFrame_p     = pointer to received frame (can be NULL)
-//              Event_p         = Event to process
-//
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsySeqProcess(unsigned int uiHandle_p,
-				      unsigned int uiDataSize_p,
-				      tEplFrame * pData_p,
-				      tEplAsySdoSeq * pRecFrame_p,
-				      tEplAsySdoSeqEvent Event_p)
-{
-	tEplKernel Ret;
-	unsigned int uiFrameSize;
-	tEplFrame *pEplFrame;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-	tEplSdoSeqConHdl SdoSeqConHdl;
-	unsigned int uiFreeEntries;
-
-#if defined(WIN32) || defined(_WIN32)
-	// enter  critical section for process function
-	EnterCriticalSection(AsySdoSequInstance_g.m_pCriticalSection);
-#endif
-
-	Ret = kEplSuccessful;
-
-	// get handle for hinger layer
-	SdoSeqConHdl = uiHandle_p | EPL_SDO_ASY_HANDLE;
-
-	// check if handle invalid
-	if ((SdoSeqConHdl & ~EPL_SDO_SEQ_HANDLE_MASK) ==
-	    EPL_SDO_SEQ_INVALID_HDL) {
-		Ret = kEplSdoSeqInvalidHdl;
-		goto Exit;
-	}
-	// get pointer to connection
-	pAsySdoSeqCon = &AsySdoSequInstance_g.m_AsySdoConnection[uiHandle_p];
-
-	// check size
-	if ((pData_p == NULL) && (pRecFrame_p == NULL) && (uiDataSize_p != 0)) {
-		Ret = kEplSdoSeqInvalidFrame;
-		goto Exit;
-	}
-	// check state
-	switch (pAsySdoSeqCon->m_SdoState) {
-		// idle state
-	case kEplAsySdoStateIdle:
-		{
-			// check event
-			switch (Event_p) {
-				// new connection
-				// -> send init frame and change to
-				// kEplAsySdoStateInit1
-			case kAsySdoSeqEventInitCon:
-				{
-					// set sending scon to 1
-					pAsySdoSeqCon->m_bRecSeqNum = 0x01;
-					// set set send rcon to 0
-					pAsySdoSeqCon->m_bSendSeqNum = 0x00;
-					Ret =
-					    EplSdoAsySeqSendIntern
-					    (pAsySdoSeqCon, 0, NULL, FALSE);
-					if (Ret != kEplSuccessful) {
-						goto Exit;
-					}
-					// change state
-					pAsySdoSeqCon->m_SdoState =
-					    kEplAsySdoStateInit1;
-
-					// set timer
-					Ret =
-					    EplSdoAsySeqSetTimer(pAsySdoSeqCon,
-								 EPL_SEQ_DEFAULT_TIMEOUT);
-
-					break;
-				}
-
-				// init con from extern
-				// check rcon and scon
-				// -> send answer
-			case kAsySdoSeqEventFrameRec:
-				{
-/*
-                    PRINTF3("%s scon=%u rcon=%u\n",
-                            __func__,
-                            pRecFrame_p->m_le_bSendSeqNumCon,
-                            pRecFrame_p->m_le_bRecSeqNumCon);
-*/
-					// check if scon == 1 and rcon == 0
-					if (((pRecFrame_p->
-					      m_le_bRecSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x00)
-					    &&
-					    ((pRecFrame_p->
-					      m_le_bSendSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x01)) {
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-						// create answer and send answer
-						// set rcon to 1 (in send direction own scon)
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// change state to kEplAsySdoStateInit2
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateInit2;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-					} else {	// error -> close
-						// delete timer
-						EplTimeruDeleteTimer
-						    (&pAsySdoSeqCon->
-						     m_EplTimerHdl);
-						if (((pRecFrame_p->
-						      m_le_bRecSeqNumCon &
-						      EPL_ASY_SDO_CON_MASK) !=
-						     0x00)
-						    || ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) != 0x00)) {	// d.k. only answer with close message if the message sent was not a close message
-							// save sequence numbers
-							pAsySdoSeqCon->
-							    m_bRecSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bRecSeqNumCon);
-							pAsySdoSeqCon->
-							    m_bSendSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-							// set rcon and scon to 0
-							pAsySdoSeqCon->
-							    m_bSendSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							pAsySdoSeqCon->
-							    m_bRecSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							// send frame
-							EplSdoAsySeqSendIntern
-							    (pAsySdoSeqCon, 0,
-							     NULL, FALSE);
-						}
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateInitError);
-					}
-					break;
-				}
-
-			default:
-				// d.k. do nothing
-				break;
-
-			}	// end of switch(Event_p)
-			break;
-		}
-
-		// init connection step 1
-		// wait for frame with scon = 1
-		// and rcon = 1
-	case kEplAsySdoStateInit1:
-		{
-//            PRINTF0("EplSdoAsySequ: StateInit1\n");
-
-			// check event
-			switch (Event_p) {
-				// frame received
-			case kAsySdoSeqEventFrameRec:
-				{
-					// check scon == 1 and rcon == 1
-					if (((pRecFrame_p->
-					      m_le_bRecSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x01)
-					    && ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) == 0x01)) {	// create answer own scon = 2
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// change state to kEplAsySdoStateInit3
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateInit3;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-
-					}
-					// check if scon == 1 and rcon == 0, i.e. other side wants me to be server
-					else if (((pRecFrame_p->
-						   m_le_bRecSeqNumCon &
-						   EPL_ASY_SDO_CON_MASK) ==
-						  0x00)
-						 &&
-						 ((pRecFrame_p->
-						   m_le_bSendSeqNumCon &
-						   EPL_ASY_SDO_CON_MASK) ==
-						  0x01)) {
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-						// create answer and send answer
-						// set rcon to 1 (in send direction own scon)
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// change state to kEplAsySdoStateInit2
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateInit2;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-					} else {	// error -> Close
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateIdle;
-						// delete timer
-						EplTimeruDeleteTimer
-						    (&pAsySdoSeqCon->
-						     m_EplTimerHdl);
-						if (((pRecFrame_p->
-						      m_le_bRecSeqNumCon &
-						      EPL_ASY_SDO_CON_MASK) !=
-						     0x00)
-						    || ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) != 0x00)) {	// d.k. only answer with close message if the message sent was not a close message
-							// save sequence numbers
-							pAsySdoSeqCon->
-							    m_bRecSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bRecSeqNumCon);
-							pAsySdoSeqCon->
-							    m_bSendSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-
-							// set rcon and scon to 0
-							pAsySdoSeqCon->
-							    m_bSendSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							pAsySdoSeqCon->
-							    m_bRecSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							// send frame
-							EplSdoAsySeqSendIntern
-							    (pAsySdoSeqCon, 0,
-							     NULL, FALSE);
-						}
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateInitError);
-					}
-					break;
-				}
-
-				// timeout
-			case kAsySdoSeqEventTimeout:
-				{	// error -> Close
-					pAsySdoSeqCon->m_SdoState =
-					    kEplAsySdoStateIdle;
-
-					// set rcon and scon to 0
-					pAsySdoSeqCon->m_bSendSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					pAsySdoSeqCon->m_bRecSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					// send frame
-					EplSdoAsySeqSendIntern(pAsySdoSeqCon,
-							       0, NULL, FALSE);
-					// call Command Layer Cb
-					AsySdoSequInstance_g.
-					    m_fpSdoComConCb(SdoSeqConHdl,
-							    kAsySdoConStateInitError);
-					break;
-				}
-
-			default:
-				// d.k. do nothing
-				break;
-
-			}	// end of switch(Event_p)
-			break;
-		}
-
-		// init connection step 2
-	case kEplAsySdoStateInit2:
-		{
-//            PRINTF0("EplSdoAsySequ: StateInit2\n");
-
-			// check event
-			switch (Event_p) {
-				// frame received
-			case kAsySdoSeqEventFrameRec:
-				{
-					// check scon == 2 and rcon == 1
-					if (((pRecFrame_p->
-					      m_le_bRecSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x01)
-					    && ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) == 0x02)) {	// create answer own rcon = 2
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// change state to kEplAsySdoStateConnected
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateConnected;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateConnected);
-
-					}
-					// check scon == 1 and rcon == 1, i.e. other side wants me to initiate the connection
-					else if (((pRecFrame_p->
-						   m_le_bRecSeqNumCon &
-						   EPL_ASY_SDO_CON_MASK) ==
-						  0x01)
-						 &&
-						 ((pRecFrame_p->
-						   m_le_bSendSeqNumCon &
-						   EPL_ASY_SDO_CON_MASK) ==
-						  0x01)) {
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-						// create answer and send answer
-						// set rcon to 1 (in send direction own scon)
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-						// change state to kEplAsySdoStateInit3
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateInit3;
-
-					} else {	// error -> Close
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateIdle;
-						// delete timer
-						EplTimeruDeleteTimer
-						    (&pAsySdoSeqCon->
-						     m_EplTimerHdl);
-						if (((pRecFrame_p->
-						      m_le_bRecSeqNumCon &
-						      EPL_ASY_SDO_CON_MASK) !=
-						     0x00)
-						    || ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) != 0x00)) {	// d.k. only answer with close message if the message sent was not a close message
-							// save sequence numbers
-							pAsySdoSeqCon->
-							    m_bRecSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bRecSeqNumCon);
-							pAsySdoSeqCon->
-							    m_bSendSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-							// set rcon and scon to 0
-							pAsySdoSeqCon->
-							    m_bSendSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							pAsySdoSeqCon->
-							    m_bRecSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							// send frame
-							EplSdoAsySeqSendIntern
-							    (pAsySdoSeqCon, 0,
-							     NULL, FALSE);
-						}
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateInitError);
-					}
-					break;
-				}
-
-				// timeout
-			case kAsySdoSeqEventTimeout:
-				{	// error -> Close
-					pAsySdoSeqCon->m_SdoState =
-					    kEplAsySdoStateIdle;
-					// set rcon and scon to 0
-					pAsySdoSeqCon->m_bSendSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					pAsySdoSeqCon->m_bRecSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					// send frame
-					EplSdoAsySeqSendIntern(pAsySdoSeqCon,
-							       0, NULL, FALSE);
-
-					// call Command Layer Cb
-					AsySdoSequInstance_g.
-					    m_fpSdoComConCb(SdoSeqConHdl,
-							    kAsySdoConStateInitError);
-					break;
-				}
-
-			default:
-				// d.k. do nothing
-				break;
-
-			}	// end of switch(Event_p)
-			break;
-		}
-
-		// init connection step 3
-	case kEplAsySdoStateInit3:
-		{
-			// check event
-			switch (Event_p) {
-				// frame received
-			case kAsySdoSeqEventFrameRec:
-				{
-					// check scon == 2 and rcon == 2
-					if (((pRecFrame_p->
-					      m_le_bRecSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x02)
-					    &&
-					    ((pRecFrame_p->
-					      m_le_bSendSeqNumCon &
-					      EPL_ASY_SDO_CON_MASK) == 0x02)) {
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-						// change state to kEplAsySdoStateConnected
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateConnected;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateConnected);
-
-					}
-					// check scon == 2 and rcon == 1
-					else if (((pRecFrame_p->
-						   m_le_bRecSeqNumCon &
-						   EPL_ASY_SDO_CON_MASK) ==
-						  0x01)
-						 && ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) == 0x02)) {	// create answer own rcon = 2
-						// save sequence numbers
-						pAsySdoSeqCon->m_bRecSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bRecSeqNumCon);
-						pAsySdoSeqCon->m_bSendSeqNum =
-						    AmiGetByteFromLe
-						    (&pRecFrame_p->
-						     m_le_bSendSeqNumCon);
-
-						pAsySdoSeqCon->m_bRecSeqNum++;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-						// change state to kEplAsySdoStateConnected
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateConnected;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateConnected);
-
-					} else {	// error -> Close
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateIdle;
-						// delete timer
-						EplTimeruDeleteTimer
-						    (&pAsySdoSeqCon->
-						     m_EplTimerHdl);
-						if (((pRecFrame_p->
-						      m_le_bRecSeqNumCon &
-						      EPL_ASY_SDO_CON_MASK) !=
-						     0x00)
-						    || ((pRecFrame_p->m_le_bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) != 0x00)) {	// d.k. only answer with close message if the message sent was not a close message
-							// save sequence numbers
-							pAsySdoSeqCon->
-							    m_bRecSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bRecSeqNumCon);
-							pAsySdoSeqCon->
-							    m_bSendSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-							// set rcon and scon to 0
-							pAsySdoSeqCon->
-							    m_bSendSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							pAsySdoSeqCon->
-							    m_bRecSeqNum &=
-							    EPL_SEQ_NUM_MASK;
-							// send frame
-							EplSdoAsySeqSendIntern
-							    (pAsySdoSeqCon, 0,
-							     NULL, FALSE);
-						}
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateInitError);
-					}
-					break;
-				}
-
-				// timeout
-			case kAsySdoSeqEventTimeout:
-				{	// error -> Close
-					pAsySdoSeqCon->m_SdoState =
-					    kEplAsySdoStateIdle;
-					// set rcon and scon to 0
-					pAsySdoSeqCon->m_bSendSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					pAsySdoSeqCon->m_bRecSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					// send frame
-					EplSdoAsySeqSendIntern(pAsySdoSeqCon,
-							       0, NULL, FALSE);
-
-					// call Command Layer Cb
-					AsySdoSequInstance_g.
-					    m_fpSdoComConCb(SdoSeqConHdl,
-							    kAsySdoConStateInitError);
-					break;
-				}
-
-			default:
-				// d.k. do nothing
-				break;
-
-			}	// end of switch(Event_p)
-			break;
-		}
-
-		// connection established
-	case kEplAsySdoStateConnected:
-		{
-			// check event
-			switch (Event_p) {
-
-				// frame to send
-			case kAsySdoSeqEventFrameSend:
-				{
-					// set timer
-					Ret =
-					    EplSdoAsySeqSetTimer(pAsySdoSeqCon,
-								 EPL_SEQ_DEFAULT_TIMEOUT);
-					// check if data frame or ack
-					if (pData_p == NULL) {	// send ack
-						// inc scon
-						//pAsySdoSeqCon->m_bRecSeqNum += 4;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-					} else {	// send dataframe
-						// increment send sequence number
-						pAsySdoSeqCon->m_bRecSeqNum +=
-						    4;
-						Ret =
-						    EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon,
-						     uiDataSize_p, pData_p,
-						     TRUE);
-						if (Ret == kEplSdoSeqRequestAckNeeded) {	// request ack
-							// change state to wait ack
-							pAsySdoSeqCon->
-							    m_SdoState =
-							    kEplAsySdoStateWaitAck;
-							// set Ret to kEplSuccessful, because no error
-							// for higher layer
-							Ret = kEplSuccessful;
-
-						} else if (Ret !=
-							   kEplSuccessful) {
-							goto Exit;
-						} else {
-							// call Command Layer Cb
-							AsySdoSequInstance_g.
-							    m_fpSdoComConCb
-							    (SdoSeqConHdl,
-							     kAsySdoConStateFrameSended);
-						}
-					}
-					break;
-				}	// end of case kAsySdoSeqEventFrameSend
-
-				// frame received
-			case kAsySdoSeqEventFrameRec:
-				{
-					u8 bSendSeqNumCon =
-					    AmiGetByteFromLe(&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-
-					// set timer
-					Ret =
-					    EplSdoAsySeqSetTimer(pAsySdoSeqCon,
-								 EPL_SEQ_DEFAULT_TIMEOUT);
-					// check scon
-					switch (bSendSeqNumCon &
-						EPL_ASY_SDO_CON_MASK) {
-						// close from other node
-					case 0:
-					case 1:
-						{
-							// return to idle
-							pAsySdoSeqCon->
-							    m_SdoState =
-							    kEplAsySdoStateIdle;
-							// delete timer
-							EplTimeruDeleteTimer
-							    (&pAsySdoSeqCon->
-							     m_EplTimerHdl);
-							// call Command Layer Cb
-							AsySdoSequInstance_g.
-							    m_fpSdoComConCb
-							    (SdoSeqConHdl,
-							     kAsySdoConStateConClosed);
-
-							break;
-						}
-
-						// Request Ack or Error Ack
-						// possible contain data
-					case 3:
-						// normal frame
-					case 2:
-						{
-							if ((AmiGetByteFromLe
-							     (&pRecFrame_p->
-							      m_le_bRecSeqNumCon)
-							     &
-							     EPL_ASY_SDO_CON_MASK)
-							    == 3) {
-//                                PRINTF0("EplSdoAsySequ: error response received\n");
-
-								// error response (retransmission request)
-								// resend frames from history
-
-								// read frame from history
-								Ret =
-								    EplSdoAsyReadFromHistory
-								    (pAsySdoSeqCon,
-								     &pEplFrame,
-								     &uiFrameSize,
-								     TRUE);
-								if (Ret !=
-								    kEplSuccessful)
-								{
-									goto Exit;
-								}
-
-								while ((pEplFrame != NULL)
-								       &&
-								       (uiFrameSize
-									!= 0)) {
-									// send frame
-									Ret =
-									    EplSdoAsySeqSendLowerLayer
-									    (pAsySdoSeqCon,
-									     uiFrameSize,
-									     pEplFrame);
-									if (Ret
-									    !=
-									    kEplSuccessful)
-									{
-										goto Exit;
-									}
-									// read next frame from history
-									Ret =
-									    EplSdoAsyReadFromHistory
-									    (pAsySdoSeqCon,
-									     &pEplFrame,
-									     &uiFrameSize,
-									     FALSE);
-									if (Ret
-									    !=
-									    kEplSuccessful)
-									{
-										goto Exit;
-									}
-								}	// end of while((pabFrame != NULL)
-							}	// end of if (error response)
-
-							if (((pAsySdoSeqCon->m_bSendSeqNum + 4) & EPL_SEQ_NUM_MASK) == (bSendSeqNumCon & EPL_SEQ_NUM_MASK)) {	// next frame of sequence received
-								// save send sequence number (without ack request)
-								pAsySdoSeqCon->
-								    m_bSendSeqNum
-								    =
-								    bSendSeqNumCon
-								    & ~0x01;
-
-								// check if ack or data-frame
-								//ignore ack -> already processed
-								if (uiDataSize_p
-								    >
-								    EPL_SEQ_HEADER_SIZE)
-								{
-									AsySdoSequInstance_g.
-									    m_fpSdoComReceiveCb
-									    (SdoSeqConHdl,
-									     ((tEplAsySdoCom *) & pRecFrame_p->m_le_abSdoSeqPayload), (uiDataSize_p - EPL_SEQ_HEADER_SIZE));
-									// call Command Layer Cb
-									AsySdoSequInstance_g.
-									    m_fpSdoComConCb
-									    (SdoSeqConHdl,
-									     kAsySdoConStateFrameSended);
-
-								} else {
-									// call Command Layer Cb
-									AsySdoSequInstance_g.
-									    m_fpSdoComConCb
-									    (SdoSeqConHdl,
-									     kAsySdoConStateAckReceived);
-								}
-							} else if (((bSendSeqNumCon - pAsySdoSeqCon->m_bSendSeqNum - 4) & EPL_SEQ_NUM_MASK) < EPL_SEQ_NUM_THRESHOLD) {	// frame of sequence was lost,
-								// because difference of received and old value
-								// is less then halve of the values range.
-
-								// send error frame with own rcon = 3
-								pAsySdoSeqCon->
-								    m_bSendSeqNum
-								    |= 0x03;
-								Ret =
-								    EplSdoAsySeqSendIntern
-								    (pAsySdoSeqCon,
-								     0, NULL,
-								     FALSE);
-								// restore send sequence number
-								pAsySdoSeqCon->
-								    m_bSendSeqNum
-								    =
-								    (pAsySdoSeqCon->
-								     m_bSendSeqNum
-								     &
-								     EPL_SEQ_NUM_MASK)
-								    | 0x02;
-								if (Ret !=
-								    kEplSuccessful)
-								{
-									goto Exit;
-								}
-								// break here, because a requested acknowledge
-								// was sent implicitly above
-								break;
-							}
-							// else, ignore repeated frame
-
-							if ((bSendSeqNumCon & EPL_ASY_SDO_CON_MASK) == 3) {	// ack request received
-
-								// create ack with own scon = 2
-								Ret =
-								    EplSdoAsySeqSendIntern
-								    (pAsySdoSeqCon,
-								     0, NULL,
-								     FALSE);
-								if (Ret !=
-								    kEplSuccessful)
-								{
-									goto Exit;
-								}
-							}
-
-							break;
-						}
-
-					}	// switch(pAsySdoSeqCon->m_bSendSeqNum & EPL_ASY_SDO_CON_MASK)
-					break;
-				}	// end of case kAsySdoSeqEventFrameRec:
-
-				//close event from higher layer
-			case kAsySdoSeqEventCloseCon:
-				{
-					pAsySdoSeqCon->m_SdoState =
-					    kEplAsySdoStateIdle;
-					// set rcon and scon to 0
-					pAsySdoSeqCon->m_bSendSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					pAsySdoSeqCon->m_bRecSeqNum &=
-					    EPL_SEQ_NUM_MASK;
-					// send frame
-					EplSdoAsySeqSendIntern(pAsySdoSeqCon,
-							       0, NULL, FALSE);
-
-					// delete timer
-					EplTimeruDeleteTimer(&pAsySdoSeqCon->
-							     m_EplTimerHdl);
-					// call Command Layer Cb is not necessary, because the event came from there
-//                    AsySdoSequInstance_g.m_fpSdoComConCb(SdoSeqConHdl,
-//                                                            kAsySdoConStateInitError);
-					break;
-				}
-
-				// timeout
-			case kAsySdoSeqEventTimeout:
-				{
-
-					uiFreeEntries =
-					    EplSdoAsyGetFreeEntriesFromHistory
-					    (pAsySdoSeqCon);
-					if ((uiFreeEntries <
-					     EPL_SDO_HISTORY_SIZE)
-					    && (pAsySdoSeqCon->m_uiRetryCount < EPL_SEQ_RETRY_COUNT)) {	// unacknowlegded frames in history
-						// and retry counter not exceeded
-
-						// resend data with acknowledge request
-
-						// increment retry counter
-						pAsySdoSeqCon->m_uiRetryCount++;
-
-						// set timer
-						Ret =
-						    EplSdoAsySeqSetTimer
-						    (pAsySdoSeqCon,
-						     EPL_SEQ_DEFAULT_TIMEOUT);
-
-						// read first frame from history
-						Ret =
-						    EplSdoAsyReadFromHistory
-						    (pAsySdoSeqCon, &pEplFrame,
-						     &uiFrameSize, TRUE);
-						if (Ret != kEplSuccessful) {
-							goto Exit;
-						}
-
-						if ((pEplFrame != NULL)
-						    && (uiFrameSize != 0)) {
-
-							// set ack request in scon
-							AmiSetByteToLe
-							    (&pEplFrame->m_Data.
-							     m_Asnd.m_Payload.
-							     m_SdoSequenceFrame.
-							     m_le_bSendSeqNumCon,
-							     AmiGetByteFromLe
-							     (&pEplFrame->
-							      m_Data.m_Asnd.
-							      m_Payload.
-							      m_SdoSequenceFrame.
-							      m_le_bSendSeqNumCon)
-							     | 0x03);
-
-							// send frame
-							Ret =
-							    EplSdoAsySeqSendLowerLayer
-							    (pAsySdoSeqCon,
-							     uiFrameSize,
-							     pEplFrame);
-							if (Ret !=
-							    kEplSuccessful) {
-								goto Exit;
-							}
-
-						}
-					} else {
-						// timeout, because of no traffic -> Close
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateIdle;
-						// set rcon and scon to 0
-						pAsySdoSeqCon->m_bSendSeqNum &=
-						    EPL_SEQ_NUM_MASK;
-						pAsySdoSeqCon->m_bRecSeqNum &=
-						    EPL_SEQ_NUM_MASK;
-						// send frame
-						EplSdoAsySeqSendIntern
-						    (pAsySdoSeqCon, 0, NULL,
-						     FALSE);
-
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateTimeout);
-					}
-
-					break;
-				}
-
-			default:
-				// d.k. do nothing
-				break;
-
-			}	// end of switch(Event_p)
-			break;
-		}
-
-		// wait for Acknowledge (history buffer full)
-	case kEplAsySdoStateWaitAck:
-		{
-			PRINTF0("EplSdoAsySequ: StateWaitAck\n");
-
-			// set timer
-			Ret = EplSdoAsySeqSetTimer(pAsySdoSeqCon,
-						   EPL_SEQ_DEFAULT_TIMEOUT);
-
-			//TODO: retry of acknowledge
-			if (Event_p == kAsySdoSeqEventFrameRec) {
-				// check rcon
-				switch (pRecFrame_p->
-					m_le_bRecSeqNumCon &
-					EPL_ASY_SDO_CON_MASK) {
-					// close-frome other node
-				case 0:
-					{
-						// return to idle
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateIdle;
-						// delete timer
-						EplTimeruDeleteTimer
-						    (&pAsySdoSeqCon->
-						     m_EplTimerHdl);
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateConClosed);
-
-						break;
-					}
-
-					// normal frame
-				case 2:
-					{
-						// should be ack
-						// -> change to state kEplAsySdoStateConnected
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateConnected;
-						// call Command Layer Cb
-						AsySdoSequInstance_g.
-						    m_fpSdoComConCb
-						    (SdoSeqConHdl,
-						     kAsySdoConStateAckReceived);
-						// send data to higher layer if needed
-						if (uiDataSize_p >
-						    EPL_SEQ_HEADER_SIZE) {
-							AsySdoSequInstance_g.
-							    m_fpSdoComReceiveCb
-							    (SdoSeqConHdl,
-							     ((tEplAsySdoCom *)
-							      & pRecFrame_p->
-							      m_le_abSdoSeqPayload),
-							     (uiDataSize_p -
-							      EPL_SEQ_HEADER_SIZE));
-						}
-						break;
-					}
-
-					// Request Ack or Error Ack
-				case 3:
-					{
-						// -> change to state kEplAsySdoStateConnected
-						pAsySdoSeqCon->m_SdoState =
-						    kEplAsySdoStateConnected;
-
-						if (pRecFrame_p->m_le_bRecSeqNumCon == pAsySdoSeqCon->m_bRecSeqNum) {	// ack request
-							// -> send ack
-							// save sequence numbers
-							pAsySdoSeqCon->
-							    m_bRecSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bRecSeqNumCon);
-							pAsySdoSeqCon->
-							    m_bSendSeqNum =
-							    AmiGetByteFromLe
-							    (&pRecFrame_p->
-							     m_le_bSendSeqNumCon);
-
-							// create answer own rcon = 2
-							pAsySdoSeqCon->
-							    m_bRecSeqNum--;
-
-							// check if ack or data-frame
-							if (uiDataSize_p >
-							    EPL_SEQ_HEADER_SIZE)
-							{
-								AsySdoSequInstance_g.
-								    m_fpSdoComReceiveCb
-								    (SdoSeqConHdl,
-								     ((tEplAsySdoCom *) & pRecFrame_p->m_le_abSdoSeqPayload), (uiDataSize_p - EPL_SEQ_HEADER_SIZE));
-								// call Command Layer Cb
-								AsySdoSequInstance_g.
-								    m_fpSdoComConCb
-								    (SdoSeqConHdl,
-								     kAsySdoConStateFrameSended);
-
-							} else {
-								Ret =
-								    EplSdoAsySeqSendIntern
-								    (pAsySdoSeqCon,
-								     0, NULL,
-								     FALSE);
-								if (Ret !=
-								    kEplSuccessful)
-								{
-									goto Exit;
-								}
-							}
-
-						} else {
-							// error ack
-							// resend frames from history
-
-							// read frame from history
-							Ret =
-							    EplSdoAsyReadFromHistory
-							    (pAsySdoSeqCon,
-							     &pEplFrame,
-							     &uiFrameSize,
-							     TRUE);
-							while ((pEplFrame !=
-								NULL)
-							       && (uiFrameSize
-								   != 0)) {
-								// send frame
-								Ret =
-								    EplSdoAsySeqSendLowerLayer
-								    (pAsySdoSeqCon,
-								     uiFrameSize,
-								     pEplFrame);
-								if (Ret !=
-								    kEplSuccessful)
-								{
-									goto Exit;
-								}
-								// read next frame
-
-								// read frame from history
-								Ret =
-								    EplSdoAsyReadFromHistory
-								    (pAsySdoSeqCon,
-								     &pEplFrame,
-								     &uiFrameSize,
-								     FALSE);
-							}	// end of while((pabFrame != NULL)
-						}
-						break;
-					}
-				}	// end of switch(pRecFrame_p->m_le_bRecSeqNumCon & EPL_ASY_SDO_CON_MASK)
-
-			} else if (Event_p == kAsySdoSeqEventTimeout) {	// error -> Close
-				pAsySdoSeqCon->m_SdoState = kEplAsySdoStateIdle;
-				// set rcon and scon to 0
-				pAsySdoSeqCon->m_bSendSeqNum &=
-				    EPL_SEQ_NUM_MASK;
-				pAsySdoSeqCon->m_bRecSeqNum &= EPL_SEQ_NUM_MASK;
-				// send frame
-				EplSdoAsySeqSendIntern(pAsySdoSeqCon,
-						       0, NULL, FALSE);
-
-				// call Command Layer Cb
-				AsySdoSequInstance_g.
-				    m_fpSdoComConCb(SdoSeqConHdl,
-						    kAsySdoConStateTimeout);
-			}
-
-			break;
-		}
-
-		// unknown state
-	default:
-		{
-			EPL_DBGLVL_SDO_TRACE0
-			    ("Error: Unknown State in EplSdoAsySeqProcess\n");
-
-		}
-	}			// end of switch(pAsySdoSeqCon->m_SdoState)
-
-      Exit:
-
-#if defined(WIN32) || defined(_WIN32)
-	// leave critical section for process function
-	LeaveCriticalSection(AsySdoSequInstance_g.m_pCriticalSection);
-#endif
-	return Ret;
-
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqSendIntern
-//
-// Description: intern function to create and send a frame
-//              -> if uiDataSize_p == 0 create a frame with infos from
-//                 pAsySdoSeqCon_p
-//
-//
-//
-// Parameters:  pAsySdoSeqCon_p = pointer to control structure of the connection
-//              uiDataSize_p    = size of data frame to process (can be 0)
-//                                  -> without size of sequence header and Asnd header!!!
-//              pData_p         = pointer to frame to process (can be NULL)
-//              fFrameInHistory = if TRUE frame is saved to history else not
-//
-//
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsySeqSendIntern(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					 unsigned int uiDataSize_p,
-					 tEplFrame * pData_p,
-					 BOOL fFrameInHistory_p)
-{
-	tEplKernel Ret;
-	u8 abFrame[EPL_SEQ_FRAME_SIZE];
-	tEplFrame *pEplFrame;
-	unsigned int uiFreeEntries;
-
-	if (pData_p == NULL) {	// set pointer to own frame
-		EPL_MEMSET(&abFrame[0], 0x00, sizeof(abFrame));
-		pEplFrame = (tEplFrame *) & abFrame[0];
-	} else {		// set pointer to frame from calling function
-		pEplFrame = pData_p;
-	}
-
-	if (fFrameInHistory_p != FALSE) {
-		// check if only one free entry in history buffer
-		uiFreeEntries =
-		    EplSdoAsyGetFreeEntriesFromHistory(pAsySdoSeqCon_p);
-		if (uiFreeEntries == 1) {	// request an acknowledge in dataframe
-			// own scon = 3
-			pAsySdoSeqCon_p->m_bRecSeqNum |= 0x03;
-		}
-	}
-	// fillin header informations
-	// set service id sdo
-	AmiSetByteToLe(&pEplFrame->m_Data.m_Asnd.m_le_bServiceId, 0x05);
-	AmiSetByteToLe(&pEplFrame->m_Data.m_Asnd.m_Payload.m_SdoSequenceFrame.
-		       m_le_abReserved, 0x00);
-	// set receive sequence number and rcon
-	AmiSetByteToLe(&pEplFrame->m_Data.m_Asnd.m_Payload.m_SdoSequenceFrame.
-		       m_le_bRecSeqNumCon, pAsySdoSeqCon_p->m_bSendSeqNum);
-	// set send sequence number and scon
-	AmiSetByteToLe(&pEplFrame->m_Data.m_Asnd.m_Payload.m_SdoSequenceFrame.
-		       m_le_bSendSeqNumCon, pAsySdoSeqCon_p->m_bRecSeqNum);
-
-	// add size
-	uiDataSize_p += EPL_SEQ_HEADER_SIZE;
-
-	// forward frame to appropriate lower layer
-	Ret = EplSdoAsySeqSendLowerLayer(pAsySdoSeqCon_p, uiDataSize_p, pEplFrame);	// pointer to frame
-
-	// check if all allright
-	if ((Ret == kEplSuccessful)
-	    && (fFrameInHistory_p != FALSE)) {
-		// set own scon to 2 if needed
-		if ((pAsySdoSeqCon_p->m_bRecSeqNum & 0x03) == 0x03) {
-			pAsySdoSeqCon_p->m_bRecSeqNum--;
-		}
-		// save frame to history
-		Ret = EplSdoAsyAddFrameToHistory(pAsySdoSeqCon_p,
-						 pEplFrame, uiDataSize_p);
-		if (Ret == kEplSdoSeqNoFreeHistory) {	// request Ack needed
-			Ret = kEplSdoSeqRequestAckNeeded;
-		}
-
-	}
-
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    EplSdoAsySeqSendLowerLayer
-//
-// Description: intern function to send a previously created frame to lower layer
-//
-// Parameters:  pAsySdoSeqCon_p = pointer to control structure of the connection
-//              uiDataSize_p    = size of data frame to process (can be 0)
-//                                  -> without size of Asnd header!!!
-//              pData_p         = pointer to frame to process (can be NULL)
-//
-// Returns:     tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsySeqSendLowerLayer(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     unsigned int uiDataSize_p,
-					     tEplFrame * pEplFrame_p)
-{
-	tEplKernel Ret;
-
-	// call send-function
-	// check handle for UDP or Asnd
-	if ((pAsySdoSeqCon_p->m_ConHandle & EPL_SDO_ASY_HANDLE_MASK) == EPL_SDO_UDP_HANDLE) {	// send over UDP
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_UDP)) != 0)
-		Ret = EplSdoUdpuSendData(pAsySdoSeqCon_p->m_ConHandle, pEplFrame_p,	// pointer to frame
-					 uiDataSize_p);
-#else
-		Ret = kEplSdoSeqUnsupportedProt;
-#endif
-
-	} else if ((pAsySdoSeqCon_p->m_ConHandle & EPL_SDO_ASY_HANDLE_MASK) == EPL_SDO_ASND_HANDLE) {	// ASND
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_SDO_ASND)) != 0)
-		Ret = EplSdoAsnduSendData(pAsySdoSeqCon_p->m_ConHandle, pEplFrame_p,	// pointer to frame
-					  uiDataSize_p);
-#else
-		Ret = kEplSdoSeqUnsupportedProt;
-#endif
-	} else {		// error
-		Ret = kEplSdoSeqInvalidHdl;
-	}
-
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyReceiveCb
-//
-// Description:     callback-function for received frames from lower layer
-//
-//
-//
-// Parameters:      ConHdl_p        = handle of the connection
-//                  pSdoSeqData_p   = pointer to frame
-//                  uiDataSize_p    = size of frame
-//
-//
-// Returns:         tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-tEplKernel EplSdoAsyReceiveCb(tEplSdoConHdl ConHdl_p,
-			      tEplAsySdoSeq *pSdoSeqData_p,
-			      unsigned int uiDataSize_p)
-{
-	tEplKernel Ret;
-	unsigned int uiCount = 0;
-	unsigned int uiFreeEntry = EPL_MAX_SDO_SEQ_CON;
-	tEplAsySdoSeqCon *pAsySdoSeqCon;
-
-#if defined(WIN32) || defined(_WIN32)
-	// enter  critical section
-	EnterCriticalSection(AsySdoSequInstance_g.m_pCriticalSectionReceive);
-#endif
-
-	EPL_DBGLVL_SDO_TRACE2("Handle: 0x%x , First Databyte 0x%x\n", ConHdl_p,
-			      ((u8 *) pSdoSeqData_p)[0]);
-
-	// search controll structure for this connection
-	pAsySdoSeqCon = &AsySdoSequInstance_g.m_AsySdoConnection[uiCount];
-	while (uiCount < EPL_MAX_SDO_SEQ_CON) {
-		if (pAsySdoSeqCon->m_ConHandle == ConHdl_p) {
-			break;
-		} else if ((pAsySdoSeqCon->m_ConHandle == 0)
-			   && (uiFreeEntry == EPL_MAX_SDO_SEQ_CON)) {
-			// free entry
-			uiFreeEntry = uiCount;
-		}
-		uiCount++;
-		pAsySdoSeqCon++;
-	}
-
-	if (uiCount == EPL_MAX_SDO_SEQ_CON) {	// new connection
-		if (uiFreeEntry == EPL_MAX_SDO_SEQ_CON) {
-			Ret = kEplSdoSeqNoFreeHandle;
-			goto Exit;
-		} else {
-			pAsySdoSeqCon =
-			    &AsySdoSequInstance_g.
-			    m_AsySdoConnection[uiFreeEntry];
-			// save handle from lower layer
-			pAsySdoSeqCon->m_ConHandle = ConHdl_p;
-			// increment use counter
-			pAsySdoSeqCon->m_uiUseCount++;
-			uiCount = uiFreeEntry;
-		}
-	}
-	// call history ack function
-	Ret = EplSdoAsyAckFrameToHistory(pAsySdoSeqCon,
-					 (AmiGetByteFromLe
-					  (&pSdoSeqData_p->
-					   m_le_bRecSeqNumCon) &
-					  EPL_SEQ_NUM_MASK));
-	if (Ret != kEplSuccessful) {
-		goto Exit;
-	}
-#if defined(WIN32) || defined(_WIN32)
-	// leave critical section
-	LeaveCriticalSection(AsySdoSequInstance_g.m_pCriticalSectionReceive);
-#endif
-
-	// call process function with pointer of frame and event kAsySdoSeqEventFrameRec
-	Ret = EplSdoAsySeqProcess(uiCount,
-				  uiDataSize_p,
-				  NULL, pSdoSeqData_p, kAsySdoSeqEventFrameRec);
-
-      Exit:
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyInitHistory
-//
-// Description:     inti function for history buffer
-//
-//
-//
-// Parameters:
-//
-//
-// Returns:         tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsyInitHistory(void)
-{
-	tEplKernel Ret;
-	unsigned int uiCount;
-
-	Ret = kEplSuccessful;
-	// init m_bFreeEntries in history-buffer
-	for (uiCount = 0; uiCount < EPL_MAX_SDO_SEQ_CON; uiCount++) {
-		AsySdoSequInstance_g.m_AsySdoConnection[uiCount].
-		    m_SdoConHistory.m_bFreeEntries = EPL_SDO_HISTORY_SIZE;
-	}
-
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyAddFrameToHistory
-//
-// Description:     function to add a frame to the history buffer
-//
-//
-//
-// Parameters:      pAsySdoSeqCon_p = pointer to control structure of this connection
-//                  pFrame_p        = pointer to frame
-//                  uiSize_p        = size of the frame
-//                                     -> without size of the ethernet header
-//                                        and the asnd header
-//
-// Returns:         tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsyAddFrameToHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     tEplFrame * pFrame_p,
-					     unsigned int uiSize_p)
-{
-	tEplKernel Ret;
-	tEplAsySdoConHistory *pHistory;
-
-	Ret = kEplSuccessful;
-
-	// add frame to history buffer
-
-	// check size
-	// $$$ d.k. EPL_SEQ_HISTORY_FRAME_SIZE includes the header size, but uiSize_p does not!!!
-	if (uiSize_p > EPL_SEQ_HISTROY_FRAME_SIZE) {
-		Ret = kEplSdoSeqFrameSizeError;
-		goto Exit;
-	}
-	// save pointer to history
-	pHistory = &pAsySdoSeqCon_p->m_SdoConHistory;
-
-	// check if a free entry is available
-	if (pHistory->m_bFreeEntries > 0) {	// write message in free entry
-		EPL_MEMCPY(&
-			   ((tEplFrame *) pHistory->
-			    m_aabHistoryFrame[pHistory->m_bWrite])->
-			   m_le_bMessageType, &pFrame_p->m_le_bMessageType,
-			   uiSize_p + EPL_ASND_HEADER_SIZE);
-		// store size
-		pHistory->m_auiFrameSize[pHistory->m_bWrite] = uiSize_p;
-
-		// decremend number of free bufferentries
-		pHistory->m_bFreeEntries--;
-
-		// increment writeindex
-		pHistory->m_bWrite++;
-
-		// check if write-index run over array-boarder
-		if (pHistory->m_bWrite == EPL_SDO_HISTORY_SIZE) {
-			pHistory->m_bWrite = 0;
-		}
-
-	} else {		// no free entry
-		Ret = kEplSdoSeqNoFreeHistory;
-	}
-
-      Exit:
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyAckFrameToHistory
-//
-// Description:     function to delete acknowledged frames fron history buffer
-//
-//
-//
-// Parameters:      pAsySdoSeqCon_p = pointer to control structure of this connection
-//                  bRecSeqNumber_p = receive sequence number of the received frame
-//
-//
-// Returns:         tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsyAckFrameToHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					     u8 bRecSeqNumber_p)
-{
-	tEplKernel Ret;
-	tEplAsySdoConHistory *pHistory;
-	u8 bAckIndex;
-	u8 bCurrentSeqNum;
-
-	Ret = kEplSuccessful;
-
-	// get pointer to history buffer
-	pHistory = &pAsySdoSeqCon_p->m_SdoConHistory;
-
-	// release all acknowledged frames from history buffer
-
-	// check if there are entries in history
-	if (pHistory->m_bFreeEntries < EPL_SDO_HISTORY_SIZE) {
-		bAckIndex = pHistory->m_bAck;
-		do {
-			bCurrentSeqNum =
-			    (((tEplFrame *) pHistory->
-			      m_aabHistoryFrame[bAckIndex])->m_Data.m_Asnd.
-			     m_Payload.m_SdoSequenceFrame.
-			     m_le_bSendSeqNumCon & EPL_SEQ_NUM_MASK);
-			if (((bRecSeqNumber_p -
-			      bCurrentSeqNum) & EPL_SEQ_NUM_MASK)
-			    < EPL_SEQ_NUM_THRESHOLD) {
-				pHistory->m_auiFrameSize[bAckIndex] = 0;
-				bAckIndex++;
-				pHistory->m_bFreeEntries++;
-				if (bAckIndex == EPL_SDO_HISTORY_SIZE) {	// read index run over array-boarder
-					bAckIndex = 0;
-				}
-			} else {	// nothing to do anymore,
-				// because any further frame in history has larger sequence
-				// number than the acknowledge
-				goto Exit;
-			}
-		}
-		while ((((bRecSeqNumber_p - 1 -
-			  bCurrentSeqNum) & EPL_SEQ_NUM_MASK)
-			< EPL_SEQ_NUM_THRESHOLD)
-		       && (pHistory->m_bWrite != bAckIndex));
-
-		// store local read-index to global var
-		pHistory->m_bAck = bAckIndex;
-	}
-
-      Exit:
-	return Ret;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyReadFromHistory
-//
-// Description:     function to one frame from history
-//
-//
-//
-// Parameters:      pAsySdoSeqCon_p = pointer to control structure of this connection
-//                  ppFrame_p       = pointer to pointer to the buffer of the stored frame
-//                  puiSize_p       = OUT: size of the frame
-//                  fInitRead       = bool which indicate a start of retransmission
-//                                      -> return last not acknowledged message if TRUE
-//
-//
-// Returns:         tEplKernel = errorcode
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsyReadFromHistory(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-					   tEplFrame ** ppFrame_p,
-					   unsigned int *puiSize_p,
-					   BOOL fInitRead_p)
-{
-	tEplKernel Ret;
-	tEplAsySdoConHistory *pHistory;
-
-	Ret = kEplSuccessful;
-
-	// read one message from History
-
-	// get pointer to history buffer
-	pHistory = &pAsySdoSeqCon_p->m_SdoConHistory;
-
-	// check if init
-	if (fInitRead_p != FALSE) {	// initialize read index to the index which shall be acknowledged next
-		pHistory->m_bRead = pHistory->m_bAck;
-	}
-	// check if entries are available for reading
-	if ((pHistory->m_bFreeEntries < EPL_SDO_HISTORY_SIZE)
-	    && (pHistory->m_bWrite != pHistory->m_bRead)) {
-//        PRINTF4("EplSdoAsyReadFromHistory(): init = %d, read = %u, write = %u, ack = %u", (int) fInitRead_p, (u16)pHistory->m_bRead, (u16)pHistory->m_bWrite, (u16)pHistory->m_bAck);
-//        PRINTF2(", free entries = %u, next frame size = %u\n", (u16)pHistory->m_bFreeEntries, pHistory->m_auiFrameSize[pHistory->m_bRead]);
-
-		// return pointer to stored frame
-		*ppFrame_p =
-		    (tEplFrame *) pHistory->m_aabHistoryFrame[pHistory->
-							      m_bRead];
-
-		// save size
-		*puiSize_p = pHistory->m_auiFrameSize[pHistory->m_bRead];
-
-		pHistory->m_bRead++;
-		if (pHistory->m_bRead == EPL_SDO_HISTORY_SIZE) {
-			pHistory->m_bRead = 0;
-		}
-
-	} else {
-//        PRINTF3("EplSdoAsyReadFromHistory(): read = %u, ack = %u, free entries = %u, no frame\n", (u16)pHistory->m_bRead, (u16)pHistory->m_bAck, (u16)pHistory->m_bFreeEntries);
-
-		// no more frames to send
-		// return null pointer
-		*ppFrame_p = NULL;
-
-		*puiSize_p = 0;
-	}
-
-	return Ret;
-
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsyGetFreeEntriesFromHistory
-//
-// Description:     function returns the number of free histroy entries
-//
-//
-//
-// Parameters:      pAsySdoSeqCon_p = pointer to control structure of this connection
-//
-//
-// Returns:         unsigned int    = number of free entries
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static unsigned int EplSdoAsyGetFreeEntriesFromHistory(tEplAsySdoSeqCon *
-						       pAsySdoSeqCon_p)
-{
-	unsigned int uiFreeEntries;
-
-	uiFreeEntries =
-	    (unsigned int)pAsySdoSeqCon_p->m_SdoConHistory.m_bFreeEntries;
-
-	return uiFreeEntries;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:        EplSdoAsySeqSetTimer
-//
-// Description:     function sets or modify timer in timermosule
-//
-//
-//
-// Parameters:      pAsySdoSeqCon_p = pointer to control structure of this connection
-//                  ulTimeout       = timeout in ms
-//
-//
-// Returns:         unsigned int    = number of free entries
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-static tEplKernel EplSdoAsySeqSetTimer(tEplAsySdoSeqCon * pAsySdoSeqCon_p,
-				       unsigned long ulTimeout)
-{
-	tEplKernel Ret;
-	tEplTimerArg TimerArg;
-
-	TimerArg.m_EventSink = kEplEventSinkSdoAsySeq;
-	TimerArg.m_ulArg = (unsigned long)pAsySdoSeqCon_p;
-
-	if (pAsySdoSeqCon_p->m_EplTimerHdl == 0) {	// create new timer
-		Ret = EplTimeruSetTimerMs(&pAsySdoSeqCon_p->m_EplTimerHdl,
-					  ulTimeout, TimerArg);
-	} else {		// modify exisiting timer
-		Ret = EplTimeruModifyTimerMs(&pAsySdoSeqCon_p->m_EplTimerHdl,
-					     ulTimeout, TimerArg);
-
-	}
-
-	return Ret;
-}
-
-// EOF