/****************************************************************************

  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
      www.systec-electronic.com

  Project:      openPOWERLINK

  Description:  source file for Epl-Obd-Userspace-module

  License:

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    modification, are permitted provided that the following conditions
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       notice, this list of conditions and the following disclaimer.

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       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
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    COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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    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
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  -------------------------------------------------------------------------

                $RCSfile: EplObdu.c,v $

                $Author: D.Krueger $

                $Revision: 1.5 $  $Date: 2008/10/17 15:32:32 $

                $State: Exp $

                Build Environment:
                    GCC V3.4

  -------------------------------------------------------------------------

  Revision History:

  2006/06/19 k.t.:   start of the implementation

****************************************************************************/

#include "EplInc.h"
#include "user/EplObdu.h"
#include "user/EplObduCal.h"

#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_OBDU)) != 0)
/***************************************************************************/
/*                                                                         */
/*                                                                         */
/*          G L O B A L   D E F I N I T I O N S                            */
/*                                                                         */
/*                                                                         */
/***************************************************************************/

//---------------------------------------------------------------------------
// const defines
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
// local types
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
// modul globale vars
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
// local function prototypes
//---------------------------------------------------------------------------

//=========================================================================//
//                                                                         //
//          P U B L I C   F U N C T I O N S                                //
//                                                                         //
//=========================================================================//

//---------------------------------------------------------------------------
//
// Function:    EplObduWriteEntry()
//
// Description: Function writes data to an OBD entry. Strings
//              are stored with added '\0' character.
//
// Parameters:  uiIndex_p       =   Index of the OD entry
//              uiSubIndex_p    =   Subindex of the OD Entry
//              pSrcData_p      =   Pointer to the data to write
//              Size_p          =   Size of the data in Byte
//
// Return:      tEplKernel      =   Errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduWriteEntry(unsigned int uiIndex_p,
					  unsigned int uiSubIndex_p,
					  void *pSrcData_p, tEplObdSize Size_p)
{
	tEplKernel Ret;

	Ret = EplObduCalWriteEntry(uiIndex_p, uiSubIndex_p, pSrcData_p, Size_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduReadEntry()
//
// Description: The function reads an object entry. The application
//              can always read the data even if attrib kEplObdAccRead
//              is not set. The attrib is only checked up for SDO transfer.
//
// Parameters:  uiIndex_p       = Index oof the OD entry to read
//              uiSubIndex_p    = Subindex to read
//              pDstData_p      = pointer to the buffer for data
//              Offset_p        = offset in data for read access
//              pSize_p         = IN: Size of the buffer
//                                OUT: number of readed Bytes
//
// Return:      tEplKernel      =   errorcode
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduReadEntry(unsigned int uiIndex_p,
					 unsigned int uiSubIndex_p,
					 void *pDstData_p,
					 tEplObdSize *pSize_p)
{
	tEplKernel Ret;

	Ret = EplObduCalReadEntry(uiIndex_p, uiSubIndex_p, pDstData_p, pSize_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObdAccessOdPart()
//
// Description: restores default values of one part of OD
//
// Parameters:  ObdPart_p       = od-part to reset
//              Direction_p     = directory flag for
//
// Return:      tEplKernel  = errorcode
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduAccessOdPart(tEplObdPart ObdPart_p,
					    tEplObdDir Direction_p)
{
	tEplKernel Ret;

	Ret = EplObduCalAccessOdPart(ObdPart_p, Direction_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduDefineVar()
//
// Description: defines a variable in OD
//
// Parameters:  pEplVarParam_p = varentry
//
// Return:      tEplKernel  =   errorcode
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduDefineVar(tEplVarParam *pVarParam_p)
{
	tEplKernel Ret;

	Ret = EplObduCalDefineVar(pVarParam_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduGetObjectDataPtr()
//
// Description: It returnes the current data pointer. But if object is an
//              constant object it returnes the default pointer.
//
// Parameters:  uiIndex_p    =   Index of the entry
//              uiSubindex_p =   Subindex of the entry
//
// Return:      void *    = pointer to object data
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT void *EplObduGetObjectDataPtr(unsigned int uiIndex_p,
					   unsigned int uiSubIndex_p)
{
	void *pData;

	pData = EplObduCalGetObjectDataPtr(uiIndex_p, uiSubIndex_p);

	return pData;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduRegisterUserOd()
//
// Description: function registers the user OD
//
// Parameters:  pUserOd_p   =pointer to user ODd
//
// Return:     tEplKernel = errorcode
//
// State:
//
//---------------------------------------------------------------------------
#if (defined (EPL_OBD_USER_OD) && (EPL_OBD_USER_OD != FALSE))
EPLDLLEXPORT tEplKernel EplObduRegisterUserOd(tEplObdEntryPtr pUserOd_p)
{
	tEplKernel Ret;

	Ret = EplObduCalRegisterUserOd(pUserOd_p);

	return Ret;

}
#endif
//---------------------------------------------------------------------------
//
// Function:    EplObduInitVarEntry()
//
// Description: function to initialize VarEntry dependened on object type
//
// Parameters:  pVarEntry_p = pointer to var entry structure
//              bType_p     = object type
//              ObdSize_p   = size of object data
//
// Returns:     none
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT void EplObduInitVarEntry(tEplObdVarEntry *pVarEntry_p,
				      BYTE bType_p, tEplObdSize ObdSize_p)
{
	EplObduCalInitVarEntry(pVarEntry_p, bType_p, ObdSize_p);
}

//---------------------------------------------------------------------------
//
// Function:    EplObduGetDataSize()
//
// Description: function to initialize VarEntry dependened on object type
//
//              gets the data size of an object
//              for string objects it returnes the string length
//
// Parameters:  uiIndex_p   =   Index
//              uiSubIndex_p=   Subindex
//
// Return:      tEplObdSize
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplObdSize EplObduGetDataSize(unsigned int uiIndex_p,
					    unsigned int uiSubIndex_p)
{
	tEplObdSize Size;

	Size = EplObduCalGetDataSize(uiIndex_p, uiSubIndex_p);

	return Size;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduGetNodeId()
//
// Description: function returns nodeid from entry 0x1F93
//
//
// Parameters:
//
// Return:      unsigned int = Node Id
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT unsigned int EplObduGetNodeId(void)
{
	unsigned int uiNodeId;

	uiNodeId = EplObduCalGetNodeId();

	return uiNodeId;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduSetNodeId()
//
// Description: function sets nodeid in entry 0x1F93
//
//
// Parameters:  uiNodeId_p  =   Node Id to set
//              NodeIdType_p=   Type on which way the Node Id was set
//
// Return:      tEplKernel = Errorcode
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduSetNodeId(unsigned int uiNodeId_p,
					 tEplObdNodeIdType NodeIdType_p)
{
	tEplKernel Ret;

	Ret = EplObduCalSetNodeId(uiNodeId_p, NodeIdType_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduGetAccessType()
//
// Description: Function returns accesstype of the entry
//
// Parameters:  uiIndex_p       =   Index of the OD entry
//              uiSubIndex_p    =   Subindex of the OD Entry
//              pAccessTyp_p    =   pointer to buffer to store accesstyp
//
// Return:      tEplKernel      =   Errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduGetAccessType(unsigned int uiIndex_p,
					     unsigned int uiSubIndex_p,
					     tEplObdAccess *pAccessTyp_p)
{
	tEplObdAccess AccessType;

	AccessType =
	    EplObduCalGetAccessType(uiIndex_p, uiSubIndex_p, pAccessTyp_p);

	return AccessType;
}

//---------------------------------------------------------------------------
//
// Function:    EplObdReaduEntryToLe()
//
// Description: The function reads an object entry from the byteoder
//              of the system to the little endian byteorder for numeric values.
//              For other types a normal read will be processed. This is usefull for
//              the PDO and SDO module. The application
//              can always read the data even if attrib kEplObdAccRead
//              is not set. The attrib is only checked up for SDO transfer.
//
// Parameters:  EPL_MCO_DECL_INSTANCE_PTR_
//              uiIndex_p       = Index of the OD entry to read
//              uiSubIndex_p    = Subindex to read
//              pDstData_p      = pointer to the buffer for data
//              Offset_p        = offset in data for read access
//              pSize_p         = IN: Size of the buffer
//                                OUT: number of readed Bytes
//
// Return:      tEplKernel
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduReadEntryToLe(unsigned int uiIndex_p,
					     unsigned int uiSubIndex_p,
					     void *pDstData_p,
					     tEplObdSize *pSize_p)
{
	tEplKernel Ret;

	Ret =
	    EplObduCalReadEntryToLe(uiIndex_p, uiSubIndex_p, pDstData_p,
				    pSize_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduWriteEntryFromLe()
//
// Description: Function writes data to an OBD entry from a source with
//              little endian byteorder to the od with system specuific
//              byteorder. Not numeric values will only by copied. Strings
//              are stored with added '\0' character.
//
// Parameters:  EPL_MCO_DECL_INSTANCE_PTR_
//              uiIndex_p       =   Index of the OD entry
//              uiSubIndex_p    =   Subindex of the OD Entry
//              pSrcData_p      =   Pointer to the data to write
//              Size_p          =   Size of the data in Byte
//
// Return:      tEplKernel      =   Errorcode
//
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduWriteEntryFromLe(unsigned int uiIndex_p,
						unsigned int uiSubIndex_p,
						void *pSrcData_p,
						tEplObdSize Size_p)
{
	tEplKernel Ret;

	Ret =
	    EplObduCalWriteEntryFromLe(uiIndex_p, uiSubIndex_p, pSrcData_p,
				       Size_p);

	return Ret;
}

//---------------------------------------------------------------------------
//
// Function:    EplObduSearchVarEntry()
//
// Description: gets variable from OD
//
// Parameters:  uiIndex_p       =   index of the var entry to search
//              uiSubindex_p    =   subindex of var entry to search
//              ppVarEntry_p    =   pointer to the pointer to the varentry
//
// Return:      tEplKernel
//
// State:
//
//---------------------------------------------------------------------------
EPLDLLEXPORT tEplKernel EplObduSearchVarEntry(EPL_MCO_DECL_INSTANCE_PTR_ unsigned int uiIndex_p,
					      unsigned int uiSubindex_p,
					      tEplObdVarEntry **ppVarEntry_p)
{
	tEplKernel Ret;

	Ret = EplObduCalSearchVarEntry(uiIndex_p, uiSubindex_p, ppVarEntry_p);

	return Ret;
}

//=========================================================================//
//                                                                         //
//          P R I V A T E   F U N C T I O N S                              //
//                                                                         //
//=========================================================================//

//---------------------------------------------------------------------------
//
// Function:
//
// Description:
//
//
//
// Parameters:
//
//
// Returns:
//
//
// State:
//
//---------------------------------------------------------------------------

#endif // #if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_OBDU)) != 0)

// EOF