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This is no longer maintained upstream, and no one cares about it at all,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, 947 deletions

diff --git a/drivers/staging/epl/demo_main.c b/drivers/staging/epl/demo_main.c
deleted file mode 100644
index 7ad10fc2b1d..00000000000
--- a/drivers/staging/epl/demo_main.c
+++ /dev/null
@@ -1,947 +0,0 @@
-/****************************************************************************
-
-  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
-      www.systec-electronic.com
-
-  Project:      openPOWERLINK
-
-  Description:  demoapplication for EPL MN (with SDO over UDP)
-                under Linux on X86 with RTL8139 Ethernet controller
-
-  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: demo_main.c,v $
-
-                $Author: D.Krueger $
-
-                $Revision: 1.10 $  $Date: 2008/11/19 18:11:43 $
-
-                $State: Exp $
-
-                Build Environment:
-                GCC
-
-  -------------------------------------------------------------------------
-
-  Revision History:
-
-  2006/09/01 d.k.:   start of implementation
-
-****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/major.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/atomic.h>
-#include <linux/sched.h>
-#include <linux/kmod.h>
-#include <linux/slab.h>
-#include <linux/pci.h>
-#include <linux/proc_fs.h>
-
-#include "Epl.h"
-#include "proc_fs.h"
-
-/***************************************************************************/
-/*                                                                         */
-/*                                                                         */
-/*          G L O B A L   D E F I N I T I O N S                            */
-/*                                                                         */
-/*                                                                         */
-/***************************************************************************/
-
-// Metainformation
-MODULE_LICENSE("Dual BSD/GPL");
-#ifdef MODULE_AUTHOR
-MODULE_AUTHOR("Daniel.Krueger@SYSTEC-electronic.com");
-MODULE_DESCRIPTION("EPL MN demo");
-#endif
-
-//---------------------------------------------------------------------------
-// const defines
-//---------------------------------------------------------------------------
-
-// TracePoint support for realtime-debugging
-#ifdef _DBG_TRACE_POINTS_
-void TgtDbgSignalTracePoint(u8 bTracePointNumber_p);
-#define TGT_DBG_SIGNAL_TRACE_POINT(p)   TgtDbgSignalTracePoint(p)
-#else
-#define TGT_DBG_SIGNAL_TRACE_POINT(p)
-#endif
-
-#define NODEID      0xF0	//=> MN
-#define CYCLE_LEN   5000	// [us]
-#define IP_ADDR     0xc0a86401	// 192.168.100.1
-#define SUBNET_MASK 0xFFFFFF00	// 255.255.255.0
-#define HOSTNAME    "SYS TEC electronic EPL Stack    "
-#define IF_ETH      EPL_VETH_NAME
-
-// LIGHT EFFECT
-#define DEFAULT_MAX_CYCLE_COUNT 20	// 6 is very fast
-#define APP_DEFAULT_MODE        0x01
-#define APP_LED_COUNT           5	// number of LEDs in one row
-#define APP_LED_MASK            ((1 << APP_LED_COUNT) - 1)
-#define APP_DOUBLE_LED_MASK     ((1 << (APP_LED_COUNT * 2)) - 1)
-#define APP_MODE_COUNT          5
-#define APP_MODE_MASK           ((1 << APP_MODE_COUNT) - 1)
-
-//---------------------------------------------------------------------------
-// local types
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-// modul globale vars
-//---------------------------------------------------------------------------
-
-static const u8 abMacAddr[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
-static u8 bVarIn1_l;
-static u8 bVarOut1_l;
-static u8 bVarOut1Old_l;
-static u8 bModeSelect_l;		// state of the pushbuttons to select the mode
-static u8 bSpeedSelect_l;		// state of the pushbuttons to increase/decrease the speed
-static u8 bSpeedSelectOld_l;		// old state of the pushbuttons
-static u32 dwLeds_l;			// current state of all LEDs
-static u8 bLedsRow1_l;		// current state of the LEDs in row 1
-static u8 bLedsRow2_l;		// current state of the LEDs in row 2
-static u8 abSelect_l[3];		// pushbuttons from CNs
-
-static u32 dwMode_l;			// current mode
-static int iCurCycleCount_l;		// current cycle count
-static int iMaxCycleCount_l;		// maximum cycle count (i.e. number of cycles until next light movement step)
-static int iToggle;			// indicates the light movement direction
-
-//static u8 abDomain_l[3000];
-
-static wait_queue_head_t WaitQueueShutdown_g;	// wait queue for tEplNmtEventSwitchOff
-static atomic_t AtomicShutdown_g = ATOMIC_INIT(FALSE);
-
-static u32 dw_le_CycleLen_g;
-
-static uint uiNodeId_g = EPL_C_ADR_INVALID;
-module_param_named(nodeid, uiNodeId_g, uint, 0);
-
-static uint uiCycleLen_g = CYCLE_LEN;
-module_param_named(cyclelen, uiCycleLen_g, uint, 0);
-
-//---------------------------------------------------------------------------
-// local function prototypes
-//---------------------------------------------------------------------------
-
-// This function is the entry point for your object dictionary. It is defined
-// in OBJDICT.C by define EPL_OBD_INIT_RAM_NAME. Use this function name to define
-// this function prototype here. If you want to use more than one Epl
-// instances then the function name of each object dictionary has to differ.
-
-tEplKernel EplObdInitRam(tEplObdInitParam *pInitParam_p);
-
-tEplKernel AppCbEvent(tEplApiEventType EventType_p,	// IN: event type (enum)
-		      tEplApiEventArg *pEventArg_p,	// IN: event argument (union)
-		      void *pUserArg_p);
-
-tEplKernel AppCbSync(void);
-
-
-//---------------------------------------------------------------------------
-//  Kernel Module specific Data Structures
-//---------------------------------------------------------------------------
-
-//module_init(EplLinInit);
-//module_exit(EplLinExit);
-
-//=========================================================================//
-//                                                                         //
-//          P U B L I C   F U N C T I O N S                                //
-//                                                                         //
-//=========================================================================//
-
-//---------------------------------------------------------------------------
-//
-// Function:
-//
-// Description:
-//
-//
-//
-// Parameters:
-//
-//
-// Returns:
-//
-//
-// State:
-//
-//---------------------------------------------------------------------------
-#if 0
-static int __init EplLinInit(void)
-{
-	tEplKernel EplRet;
-	int iRet;
-	static tEplApiInitParam EplApiInitParam = { 0 };
-	char *sHostname = HOSTNAME;
-	char *argv[4], *envp[3];
-	char sBuffer[16];
-	unsigned int uiVarEntries;
-	tEplObdSize ObdSize;
-
-	atomic_set(&AtomicShutdown_g, TRUE);
-
-	// get node ID from insmod command line
-	EplApiInitParam.m_uiNodeId = uiNodeId_g;
-
-	if (EplApiInitParam.m_uiNodeId == EPL_C_ADR_INVALID) {	// invalid node ID set
-		// set default node ID
-		EplApiInitParam.m_uiNodeId = NODEID;
-	}
-
-	uiNodeId_g = EplApiInitParam.m_uiNodeId;
-
-	// calculate IP address
-	EplApiInitParam.m_dwIpAddress =
-	    (0xFFFFFF00 & IP_ADDR) | EplApiInitParam.m_uiNodeId;
-
-	EplApiInitParam.m_fAsyncOnly = FALSE;
-
-	EplApiInitParam.m_uiSizeOfStruct = sizeof(EplApiInitParam);
-	EPL_MEMCPY(EplApiInitParam.m_abMacAddress, abMacAddr,
-		   sizeof(EplApiInitParam.m_abMacAddress));
-//	EplApiInitParam.m_abMacAddress[5] = (u8) EplApiInitParam.m_uiNodeId;
-	EplApiInitParam.m_dwFeatureFlags = -1;
-	EplApiInitParam.m_dwCycleLen = uiCycleLen_g;	// required for error detection
-	EplApiInitParam.m_uiIsochrTxMaxPayload = 100;	// const
-	EplApiInitParam.m_uiIsochrRxMaxPayload = 100;	// const
-	EplApiInitParam.m_dwPresMaxLatency = 50000;	// const; only required for IdentRes
-	EplApiInitParam.m_uiPreqActPayloadLimit = 36;	// required for initialisation (+28 bytes)
-	EplApiInitParam.m_uiPresActPayloadLimit = 36;	// required for initialisation of Pres frame (+28 bytes)
-	EplApiInitParam.m_dwAsndMaxLatency = 150000;	// const; only required for IdentRes
-	EplApiInitParam.m_uiMultiplCycleCnt = 0;	// required for error detection
-	EplApiInitParam.m_uiAsyncMtu = 1500;	// required to set up max frame size
-	EplApiInitParam.m_uiPrescaler = 2;	// required for sync
-	EplApiInitParam.m_dwLossOfFrameTolerance = 500000;
-	EplApiInitParam.m_dwAsyncSlotTimeout = 3000000;
-	EplApiInitParam.m_dwWaitSocPreq = 150000;
-	EplApiInitParam.m_dwDeviceType = -1;	// NMT_DeviceType_U32
-	EplApiInitParam.m_dwVendorId = -1;	// NMT_IdentityObject_REC.VendorId_U32
-	EplApiInitParam.m_dwProductCode = -1;	// NMT_IdentityObject_REC.ProductCode_U32
-	EplApiInitParam.m_dwRevisionNumber = -1;	// NMT_IdentityObject_REC.RevisionNo_U32
-	EplApiInitParam.m_dwSerialNumber = -1;	// NMT_IdentityObject_REC.SerialNo_U32
-	EplApiInitParam.m_dwSubnetMask = SUBNET_MASK;
-	EplApiInitParam.m_dwDefaultGateway = 0;
-	EPL_MEMCPY(EplApiInitParam.m_sHostname, sHostname,
-		   sizeof(EplApiInitParam.m_sHostname));
-
-	// currently unset parameters left at default value 0
-	//EplApiInitParam.m_qwVendorSpecificExt1;
-	//EplApiInitParam.m_dwVerifyConfigurationDate; // CFM_VerifyConfiguration_REC.ConfDate_U32
-	//EplApiInitParam.m_dwVerifyConfigurationTime; // CFM_VerifyConfiguration_REC.ConfTime_U32
-	//EplApiInitParam.m_dwApplicationSwDate;       // PDL_LocVerApplSw_REC.ApplSwDate_U32 on programmable device or date portion of NMT_ManufactSwVers_VS on non-programmable device
-	//EplApiInitParam.m_dwApplicationSwTime;       // PDL_LocVerApplSw_REC.ApplSwTime_U32 on programmable device or time portion of NMT_ManufactSwVers_VS on non-programmable device
-	//EplApiInitParam.m_abVendorSpecificExt2[48];
-
-	// set callback functions
-	EplApiInitParam.m_pfnCbEvent = AppCbEvent;
-	EplApiInitParam.m_pfnCbSync = AppCbSync;
-
-	printk
-	    ("\n\n Hello, I'm a simple POWERLINK node running as %s!\n  (build: %s / %s)\n\n",
-	     (uiNodeId_g ==
-	      EPL_C_ADR_MN_DEF_NODE_ID ? "Managing Node" : "Controlled Node"),
-	     __DATE__, __TIME__);
-
-	// initialize the Linux a wait queue for shutdown of this module
-	init_waitqueue_head(&WaitQueueShutdown_g);
-
-	// initialize the procfs device
-	EplRet = EplLinProcInit();
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-	// initialize POWERLINK stack
-	EplRet = EplApiInitialize(&EplApiInitParam);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-	// link process variables used by CN to object dictionary
-	ObdSize = sizeof(bVarIn1_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x6000, &bVarIn1_l, &uiVarEntries, &ObdSize, 0x01);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-
-	ObdSize = sizeof(bVarOut1_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x6200, &bVarOut1_l, &uiVarEntries, &ObdSize,
-			     0x01);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-	// link process variables used by MN to object dictionary
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
-	ObdSize = sizeof(bLedsRow1_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x2000, &bLedsRow1_l, &uiVarEntries, &ObdSize,
-			     0x01);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-
-	ObdSize = sizeof(bLedsRow2_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x2000, &bLedsRow2_l, &uiVarEntries, &ObdSize,
-			     0x02);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-
-	ObdSize = sizeof(bSpeedSelect_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x2000, &bSpeedSelect_l, &uiVarEntries, &ObdSize,
-			     0x03);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-
-	ObdSize = sizeof(bSpeedSelectOld_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x2000, &bSpeedSelectOld_l, &uiVarEntries,
-			     &ObdSize, 0x04);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-
-	ObdSize = sizeof(abSelect_l[0]);
-	uiVarEntries = sizeof(abSelect_l);
-	EplRet =
-	    EplApiLinkObject(0x2200, &abSelect_l[0], &uiVarEntries, &ObdSize,
-			     0x01);
-	if (EplRet != kEplSuccessful) {
-		goto Exit;
-	}
-#endif
-
-	// link a DOMAIN to object 0x6100, but do not exit, if it is missing
-	ObdSize = sizeof(abDomain_l);
-	uiVarEntries = 1;
-	EplRet =
-	    EplApiLinkObject(0x6100, &abDomain_l, &uiVarEntries, &ObdSize,
-			     0x00);
-	if (EplRet != kEplSuccessful) {
-		printk("EplApiLinkObject(0x6100): returns 0x%X\n", EplRet);
-	}
-	// reset old process variables
-	bVarOut1Old_l = 0;
-	bSpeedSelectOld_l = 0;
-	dwMode_l = APP_DEFAULT_MODE;
-	iMaxCycleCount_l = DEFAULT_MAX_CYCLE_COUNT;
-
-	// configure IP address of virtual network interface
-	// for TCP/IP communication over the POWERLINK network
-	sprintf(sBuffer, "%u.%u.%u.%u",
-		(EplApiInitParam.m_dwIpAddress >> 24),
-		((EplApiInitParam.m_dwIpAddress >> 16) & 0xFF),
-		((EplApiInitParam.m_dwIpAddress >> 8) & 0xFF),
-		(EplApiInitParam.m_dwIpAddress & 0xFF));
-	/* set up a minimal environment */
-	iRet = 0;
-	envp[iRet++] = "HOME=/";
-	envp[iRet++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
-	envp[iRet] = NULL;
-
-	/* set up the argument list */
-	iRet = 0;
-	argv[iRet++] = "/sbin/ifconfig";
-	argv[iRet++] = IF_ETH;
-	argv[iRet++] = sBuffer;
-	argv[iRet] = NULL;
-
-	/* call ifconfig to configure the virtual network interface */
-	iRet = call_usermodehelper(argv[0], argv, envp, 1);
-	printk("ifconfig %s %s returned %d\n", argv[1], argv[2], iRet);
-
-	// start the NMT state machine
-	EplRet = EplApiExecNmtCommand(kEplNmtEventSwReset);
-	atomic_set(&AtomicShutdown_g, FALSE);
-
-      Exit:
-	printk("EplLinInit(): returns 0x%X\n", EplRet);
-	return EplRet;
-}
-
-static void __exit EplLinExit(void)
-{
-	tEplKernel EplRet;
-
-	// halt the NMT state machine
-	// so the processing of POWERLINK frames stops
-	EplRet = EplApiExecNmtCommand(kEplNmtEventSwitchOff);
-
-	// wait until NMT state machine is shut down
-	wait_event_interruptible(WaitQueueShutdown_g,
-				 (atomic_read(&AtomicShutdown_g) == TRUE));
-/*    if ((iErr != 0) || (atomic_read(&AtomicShutdown_g) == EVENT_STATE_IOCTL))
-    {   // waiting was interrupted by signal or application called wrong function
-        EplRet = kEplShutdown;
-    }*/
-	// delete instance for all modules
-	EplRet = EplApiShutdown();
-	printk("EplApiShutdown():  0x%X\n", EplRet);
-
-	// deinitialize proc fs
-	EplRet = EplLinProcFree();
-	printk("EplLinProcFree():        0x%X\n", EplRet);
-
-}
-#endif
-//=========================================================================//
-//                                                                         //
-//          P R I V A T E   F U N C T I O N S                              //
-//                                                                         //
-//=========================================================================//
-
-//---------------------------------------------------------------------------
-//
-// Function:    AppCbEvent
-//
-// Description: event callback function called by EPL API layer within
-//              user part (low priority).
-//
-// Parameters:  EventType_p     = event type
-//              pEventArg_p     = pointer to union, which describes
-//                                the event in detail
-//              pUserArg_p      = user specific argument
-//
-// Returns:     tEplKernel      = error code,
-//                                kEplSuccessful = no error
-//                                kEplReject = reject further processing
-//                                otherwise = post error event to API layer
-//
-// State:
-//
-//---------------------------------------------------------------------------
-
-tEplKernel AppCbEvent(tEplApiEventType EventType_p,	// IN: event type (enum)
-		      tEplApiEventArg *pEventArg_p,	// IN: event argument (union)
-		      void *pUserArg_p)
-{
-	tEplKernel EplRet = kEplSuccessful;
-
-	// check if NMT_GS_OFF is reached
-	switch (EventType_p) {
-	case kEplApiEventNmtStateChange:
-		{
-			switch (pEventArg_p->m_NmtStateChange.m_NewNmtState) {
-			case kEplNmtGsOff:
-				{	// NMT state machine was shut down,
-					// because of user signal (CTRL-C) or critical EPL stack error
-					// -> also shut down EplApiProcess() and main()
-					EplRet = kEplShutdown;
-
-					printk
-					    ("AppCbEvent(kEplNmtGsOff) originating event = 0x%X\n",
-					     pEventArg_p->m_NmtStateChange.
-					     m_NmtEvent);
-
-					// wake up EplLinExit()
-					atomic_set(&AtomicShutdown_g, TRUE);
-					wake_up_interruptible
-					    (&WaitQueueShutdown_g);
-					break;
-				}
-
-			case kEplNmtGsResetCommunication:
-				{
-					u32 dwBuffer;
-
-					// configure OD for MN in state ResetComm after reseting the OD
-					// TODO: setup your own network configuration here
-					dwBuffer = (EPL_NODEASSIGN_NODE_IS_CN | EPL_NODEASSIGN_NODE_EXISTS);	// 0x00000003L
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x01,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x02,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x03,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x04,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x05,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x06,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x07,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x08,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x20,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0xFE,
-								   &dwBuffer,
-								   4);
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0x6E,
-								   &dwBuffer,
-								   4);
-
-//                    dwBuffer |= EPL_NODEASSIGN_MANDATORY_CN;    // 0x0000000BL
-//                    EplRet = EplApiWriteLocalObject(0x1F81, 0x6E, &dwBuffer, 4);
-					dwBuffer = (EPL_NODEASSIGN_MN_PRES | EPL_NODEASSIGN_NODE_EXISTS);	// 0x00010001L
-					EplRet =
-					    EplApiWriteLocalObject(0x1F81, 0xF0,
-								   &dwBuffer,
-								   4);
-
-					// continue
-				}
-
-			case kEplNmtGsResetConfiguration:
-				{
-					unsigned int uiSize;
-
-					// fetch object 0x1006 NMT_CycleLen_U32 from local OD (in little endian byte order)
-					// for configuration of remote CN
-					uiSize = 4;
-					EplRet =
-					    EplApiReadObject(NULL, 0, 0x1006,
-							     0x00,
-							     &dw_le_CycleLen_g,
-							     &uiSize,
-							     kEplSdoTypeAsnd,
-							     NULL);
-					if (EplRet != kEplSuccessful) {	// local OD access failed
-						break;
-					}
-					// continue
-				}
-
-			case kEplNmtMsPreOperational1:
-				{
-					printk
-					    ("AppCbEvent(0x%X) originating event = 0x%X\n",
-					     pEventArg_p->m_NmtStateChange.
-					     m_NewNmtState,
-					     pEventArg_p->m_NmtStateChange.
-					     m_NmtEvent);
-
-					// continue
-				}
-
-			case kEplNmtGsInitialising:
-			case kEplNmtGsResetApplication:
-			case kEplNmtMsNotActive:
-			case kEplNmtCsNotActive:
-			case kEplNmtCsPreOperational1:
-				{
-					break;
-				}
-
-			case kEplNmtCsOperational:
-			case kEplNmtMsOperational:
-				{
-					break;
-				}
-
-			default:
-				{
-					break;
-				}
-			}
-
-/*
-            switch (pEventArg_p->m_NmtStateChange.m_NmtEvent)
-            {
-                case kEplNmtEventSwReset:
-                case kEplNmtEventResetNode:
-                case kEplNmtEventResetCom:
-                case kEplNmtEventResetConfig:
-                case kEplNmtEventInternComError:
-                case kEplNmtEventNmtCycleError:
-                {
-                    printk("AppCbEvent(0x%X) originating event = 0x%X\n",
-                           pEventArg_p->m_NmtStateChange.m_NewNmtState,
-                           pEventArg_p->m_NmtStateChange.m_NmtEvent);
-                    break;
-                }
-
-                default:
-                {
-                    break;
-                }
-            }
-*/
-			break;
-		}
-
-	case kEplApiEventCriticalError:
-	case kEplApiEventWarning:
-		{		// error or warning occured within the stack or the application
-			// on error the API layer stops the NMT state machine
-
-			printk
-			    ("AppCbEvent(Err/Warn): Source=%02X EplError=0x%03X",
-			     pEventArg_p->m_InternalError.m_EventSource,
-			     pEventArg_p->m_InternalError.m_EplError);
-			// check additional argument
-			switch (pEventArg_p->m_InternalError.m_EventSource) {
-			case kEplEventSourceEventk:
-			case kEplEventSourceEventu:
-				{	// error occured within event processing
-					// either in kernel or in user part
-					printk(" OrgSource=%02X\n",
-					       pEventArg_p->m_InternalError.
-					       m_Arg.m_EventSource);
-					break;
-				}
-
-			case kEplEventSourceDllk:
-				{	// error occured within the data link layer (e.g. interrupt processing)
-					// the u32 argument contains the DLL state and the NMT event
-					printk(" val=%X\n",
-					       pEventArg_p->m_InternalError.
-					       m_Arg.m_dwArg);
-					break;
-				}
-
-			default:
-				{
-					printk("\n");
-					break;
-				}
-			}
-			break;
-		}
-
-	case kEplApiEventNode:
-		{
-//            printk("AppCbEvent(Node): Source=%02X EplError=0x%03X", pEventArg_p->m_InternalError.m_EventSource, pEventArg_p->m_InternalError.m_EplError);
-			// check additional argument
-			switch (pEventArg_p->m_Node.m_NodeEvent) {
-			case kEplNmtNodeEventCheckConf:
-				{
-					tEplSdoComConHdl SdoComConHdl;
-					// update object 0x1006 on CN
-					EplRet =
-					    EplApiWriteObject(&SdoComConHdl,
-							      pEventArg_p->
-							      m_Node.m_uiNodeId,
-							      0x1006, 0x00,
-							      &dw_le_CycleLen_g,
-							      4,
-							      kEplSdoTypeAsnd,
-							      NULL);
-					if (EplRet == kEplApiTaskDeferred) {	// SDO transfer started
-						EplRet = kEplReject;
-					} else if (EplRet == kEplSuccessful) {	// local OD access (should not occur)
-						printk
-						    ("AppCbEvent(Node) write to local OD\n");
-					} else {	// error occured
-						TGT_DBG_SIGNAL_TRACE_POINT(1);
-
-						EplRet =
-						    EplApiFreeSdoChannel
-						    (SdoComConHdl);
-						SdoComConHdl = 0;
-
-						EplRet =
-						    EplApiWriteObject
-						    (&SdoComConHdl,
-						     pEventArg_p->m_Node.
-						     m_uiNodeId, 0x1006, 0x00,
-						     &dw_le_CycleLen_g, 4,
-						     kEplSdoTypeAsnd, NULL);
-						if (EplRet == kEplApiTaskDeferred) {	// SDO transfer started
-							EplRet = kEplReject;
-						} else {
-							printk
-							    ("AppCbEvent(Node): EplApiWriteObject() returned 0x%02X\n",
-							     EplRet);
-						}
-					}
-
-					break;
-				}
-
-			default:
-				{
-					break;
-				}
-			}
-			break;
-		}
-
-	case kEplApiEventSdo:
-		{		// SDO transfer finished
-			EplRet =
-			    EplApiFreeSdoChannel(pEventArg_p->m_Sdo.
-						 m_SdoComConHdl);
-			if (EplRet != kEplSuccessful) {
-				break;
-			}
-#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
-			if (pEventArg_p->m_Sdo.m_SdoComConState == kEplSdoComTransferFinished) {	// continue boot-up of CN with NMT command Reset Configuration
-				EplRet =
-				    EplApiMnTriggerStateChange(pEventArg_p->
-							       m_Sdo.m_uiNodeId,
-							       kEplNmtNodeCommandConfReset);
-			} else {	// indicate configuration error CN
-				EplRet =
-				    EplApiMnTriggerStateChange(pEventArg_p->
-							       m_Sdo.m_uiNodeId,
-							       kEplNmtNodeCommandConfErr);
-			}
-#endif
-
-			break;
-		}
-
-	default:
-		break;
-	}
-
-	return EplRet;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function:    AppCbSync
-//
-// Description: sync event callback function called by event module within
-//              kernel part (high priority).
-//              This function sets the outputs, reads the inputs and runs
-//              the control loop.
-//
-// Parameters:  void
-//
-// Returns:     tEplKernel      = error code,
-//                                kEplSuccessful = no error
-//                                otherwise = post error event to API layer
-//
-// State:
-//
-//---------------------------------------------------------------------------
-
-tEplKernel AppCbSync(void)
-{
-	tEplKernel EplRet = kEplSuccessful;
-
-	if (bVarOut1Old_l != bVarOut1_l) {	// output variable has changed
-		bVarOut1Old_l = bVarOut1_l;
-		// set LEDs
-
-//        printk("bVarIn = 0x%02X bVarOut = 0x%02X\n", (u16) bVarIn_l, (u16) bVarOut_l);
-	}
-	if (uiNodeId_g != EPL_C_ADR_MN_DEF_NODE_ID) {
-		bVarIn1_l++;
-	}
-
-	if (uiNodeId_g == EPL_C_ADR_MN_DEF_NODE_ID) {	// we are the master and must run the control loop
-
-		// collect inputs from CNs and own input
-		bSpeedSelect_l = (bVarIn1_l | abSelect_l[0]) & 0x07;
-
-		bModeSelect_l = abSelect_l[1] | abSelect_l[2];
-
-		if ((bModeSelect_l & APP_MODE_MASK) != 0) {
-			dwMode_l = bModeSelect_l & APP_MODE_MASK;
-		}
-
-		iCurCycleCount_l--;
-
-		if (iCurCycleCount_l <= 0) {
-			if ((dwMode_l & 0x01) != 0) {	// fill-up
-				if (iToggle) {
-					if ((dwLeds_l & APP_DOUBLE_LED_MASK) ==
-					    0x00) {
-						dwLeds_l = 0x01;
-					} else {
-						dwLeds_l <<= 1;
-						dwLeds_l++;
-						if (dwLeds_l >=
-						    APP_DOUBLE_LED_MASK) {
-							iToggle = 0;
-						}
-					}
-				} else {
-					dwLeds_l <<= 1;
-					if ((dwLeds_l & APP_DOUBLE_LED_MASK) ==
-					    0x00) {
-						iToggle = 1;
-					}
-				}
-				bLedsRow1_l =
-				    (unsigned char)(dwLeds_l & APP_LED_MASK);
-				bLedsRow2_l =
-				    (unsigned char)((dwLeds_l >> APP_LED_COUNT)
-						    & APP_LED_MASK);
-			}
-
-			else if ((dwMode_l & 0x02) != 0) {	// running light forward
-				dwLeds_l <<= 1;
-				if ((dwLeds_l > APP_DOUBLE_LED_MASK)
-				    || (dwLeds_l == 0x00000000L)) {
-					dwLeds_l = 0x01;
-				}
-				bLedsRow1_l =
-				    (unsigned char)(dwLeds_l & APP_LED_MASK);
-				bLedsRow2_l =
-				    (unsigned char)((dwLeds_l >> APP_LED_COUNT)
-						    & APP_LED_MASK);
-			}
-
-			else if ((dwMode_l & 0x04) != 0) {	// running light backward
-				dwLeds_l >>= 1;
-				if ((dwLeds_l > APP_DOUBLE_LED_MASK)
-				    || (dwLeds_l == 0x00000000L)) {
-					dwLeds_l = 1 << (APP_LED_COUNT * 2);
-				}
-				bLedsRow1_l =
-				    (unsigned char)(dwLeds_l & APP_LED_MASK);
-				bLedsRow2_l =
-				    (unsigned char)((dwLeds_l >> APP_LED_COUNT)
-						    & APP_LED_MASK);
-			}
-
-			else if ((dwMode_l & 0x08) != 0) {	// Knightrider
-				if (bLedsRow1_l == 0x00) {
-					bLedsRow1_l = 0x01;
-					iToggle = 1;
-				} else if (iToggle) {
-					bLedsRow1_l <<= 1;
-					if (bLedsRow1_l >=
-					    (1 << (APP_LED_COUNT - 1))) {
-						iToggle = 0;
-					}
-				} else {
-					bLedsRow1_l >>= 1;
-					if (bLedsRow1_l <= 0x01) {
-						iToggle = 1;
-					}
-				}
-				bLedsRow2_l = bLedsRow1_l;
-			}
-
-			else if ((dwMode_l & 0x10) != 0) {	// Knightrider
-				if ((bLedsRow1_l == 0x00)
-				    || (bLedsRow2_l == 0x00)
-				    || ((bLedsRow2_l & ~APP_LED_MASK) != 0)) {
-					bLedsRow1_l = 0x01;
-					bLedsRow2_l =
-					    (1 << (APP_LED_COUNT - 1));
-					iToggle = 1;
-				} else if (iToggle) {
-					bLedsRow1_l <<= 1;
-					bLedsRow2_l >>= 1;
-					if (bLedsRow1_l >=
-					    (1 << (APP_LED_COUNT - 1))) {
-						iToggle = 0;
-					}
-				} else {
-					bLedsRow1_l >>= 1;
-					bLedsRow2_l <<= 1;
-					if (bLedsRow1_l <= 0x01) {
-						iToggle = 1;
-					}
-				}
-			}
-			// set own output
-			bVarOut1_l = bLedsRow1_l;
-//            bVarOut1_l = (bLedsRow1_l & 0x03) | (bLedsRow2_l << 2);
-
-			// restart cycle counter
-			iCurCycleCount_l = iMaxCycleCount_l;
-		}
-
-		if (bSpeedSelectOld_l == 0) {
-			if ((bSpeedSelect_l & 0x01) != 0) {
-				if (iMaxCycleCount_l < 200) {
-					iMaxCycleCount_l++;
-				}
-				bSpeedSelectOld_l = bSpeedSelect_l;
-			} else if ((bSpeedSelect_l & 0x02) != 0) {
-				if (iMaxCycleCount_l > 1) {
-					iMaxCycleCount_l--;
-				}
-				bSpeedSelectOld_l = bSpeedSelect_l;
-			} else if ((bSpeedSelect_l & 0x04) != 0) {
-				iMaxCycleCount_l = DEFAULT_MAX_CYCLE_COUNT;
-				bSpeedSelectOld_l = bSpeedSelect_l;
-			}
-		} else if (bSpeedSelect_l == 0) {
-			bSpeedSelectOld_l = 0;
-		}
-	}
-
-	TGT_DBG_SIGNAL_TRACE_POINT(1);
-
-	return EplRet;
-}
-
-// EOF