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/****************************************************************************
(c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
www.systec-electronic.com
Project: openPOWERLINK
Description: interface for ethernetdriver
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: edrv.h,v $
$Author: D.Krueger $
$Revision: 1.6 $ $Date: 2008/04/17 21:36:32 $
$State: Exp $
Build Environment:
Dev C++ and GNU-Compiler for m68k
-------------------------------------------------------------------------
Revision History:
2005/08/01 m.b.: start of implementation
****************************************************************************/
#ifndef _EDRV_H_
#define _EDRV_H_
#include "EplInc.h"
#include "EplFrame.h"
//---------------------------------------------------------------------------
// const defines
//---------------------------------------------------------------------------
// --------------------------------------------------------------------------
#define MAX_ETH_DATA_SIZE 1500
#define MIN_ETH_DATA_SIZE 46
#define ETH_HDR_OFFSET 0 // Ethernet header at the top of the frame
#define ETH_HDR_SIZE 14 // size of Ethernet header
#define MIN_ETH_SIZE (MIN_ETH_DATA_SIZE + ETH_HDR_SIZE) // without CRC
#define ETH_CRC_SIZE 4 // size of Ethernet CRC, i.e. FCS
//---------------------------------------------------------------------------
// types
//---------------------------------------------------------------------------
// position of a buffer in an ethernet-frame
typedef enum {
kEdrvBufferFirstInFrame = 0x01, // first data buffer in an ethernet frame
kEdrvBufferMiddleInFrame = 0x02, // a middle data buffer in an ethernet frame
kEdrvBufferLastInFrame = 0x04 // last data buffer in an ethernet frame
} tEdrvBufferInFrame;
// format of a tx-buffer
typedef struct _tEdrvTxBuffer {
tEplMsgType m_EplMsgType; // IN: type of EPL message, set by calling function
unsigned int m_uiTxMsgLen; // IN: length of message to be send (set for each transmit call)
// ----------------------
unsigned int m_uiBufferNumber; // OUT: number of the buffer, set by ethernetdriver
u8 *m_pbBuffer; // OUT: pointer to the buffer, set by ethernetdriver
tEplNetTime m_NetTime; // OUT: Timestamp of end of transmission, set by ethernetdriver
// ----------------------
unsigned int m_uiMaxBufferLen; // IN/OUT: maximum length of the buffer
} tEdrvTxBuffer;
// format of a rx-buffer
typedef struct _tEdrvRxBuffer {
tEdrvBufferInFrame m_BufferInFrame; // OUT position of received buffer in an ethernet-frame
unsigned int m_uiRxMsgLen; // OUT: length of received buffer (without CRC)
u8 *m_pbBuffer; // OUT: pointer to the buffer, set by ethernetdriver
tEplNetTime m_NetTime; // OUT: Timestamp of end of receiption
} tEdrvRxBuffer;
//typedef void (*tEdrvRxHandler) (u8 bBufferInFrame_p, tBufferDescr * pbBuffer_p);
//typedef void (*tEdrvRxHandler) (u8 bBufferInFrame_p, u8 * pbEthernetData_p, u16 wDataLen_p);
typedef void (*tEdrvRxHandler) (tEdrvRxBuffer * pRxBuffer_p);
typedef void (*tEdrvTxHandler) (tEdrvTxBuffer * pTxBuffer_p);
// format of init structure
typedef struct {
u8 m_abMyMacAddr[6]; // the own MAC address
// u8 m_bNoOfRxBuffDescr; // number of entries in rx bufferdescriptor table
// tBufferDescr * m_pRxBuffDescrTable; // rx bufferdescriptor table
// u16 m_wRxBufferSize; // size of the whole rx buffer
tEdrvRxHandler m_pfnRxHandler;
tEdrvTxHandler m_pfnTxHandler;
} tEdrvInitParam;
//---------------------------------------------------------------------------
// function prototypes
//---------------------------------------------------------------------------
tEplKernel EdrvInit(tEdrvInitParam * pEdrvInitParam_p);
tEplKernel EdrvShutdown(void);
tEplKernel EdrvDefineRxMacAddrEntry(u8 * pbMacAddr_p);
tEplKernel EdrvUndefineRxMacAddrEntry(u8 * pbMacAddr_p);
//tEplKernel EdrvDefineUnicastEntry (u8 * pbUCEntry_p);
//tEplKernel EdrvUndfineUnicastEntry (u8 * pbUCEntry_p);
tEplKernel EdrvAllocTxMsgBuffer(tEdrvTxBuffer * pBuffer_p);
tEplKernel EdrvReleaseTxMsgBuffer(tEdrvTxBuffer * pBuffer_p);
//tEplKernel EdrvWriteMsg (tBufferDescr * pbBuffer_p);
tEplKernel EdrvSendTxMsg(tEdrvTxBuffer * pBuffer_p);
tEplKernel EdrvTxMsgReady(tEdrvTxBuffer * pBuffer_p);
tEplKernel EdrvTxMsgStart(tEdrvTxBuffer * pBuffer_p);
//tEplKernel EdrvReadMsg (void);
// interrupt handler called by target specific interrupt handler
void EdrvInterruptHandler(void);
#endif // #ifndef _EDRV_H_
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