mbfunc.h

modbus的例程,非常不错,大家可以

 /*
  * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
  * Copyright (C) 2006 Christian Walter <[e-mail]>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * File: $Id: mbfunc.h,v 1.10 2006/06/18 09:54:53 wolti Exp $
  */

#ifndef _MB_FUNC_H
#define _MB_FUNC_H

#ifdef __cplusplus
PR_BEGIN_EXTERN_C
#endif

#if MB_FUNC_OTHER_REP_SLAVEID_BUF > 0
eMBException    eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_READ_INPUT_ENABLED > 0
eMBException    eMBFuncReadInputRegister( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_READ_HOLDING_ENABLED > 0
eMBException    eMBFuncReadHoldingRegister( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_WRITE_HOLDING_ENABLED > 0
eMBException    eMBFuncWriteHoldingRegister( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED > 0
eMBException    eMBFuncWriteMultipleHoldingRegister( UCHAR * pucFrame,
                                                     USHORT * usLen );
#endif

#if MB_FUNC_READ_COILS_ENABLED > 0
eMBException    eMBFuncReadCoils( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_WRITE_COIL_ENABLED > 0
eMBException    eMBFuncWriteCoil( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED > 0
eMBException    eMBFuncWriteMultipleCoils( UCHAR * pucFrame, USHORT * usLen );
#endif

#if MB_FUNC_READ_DISCRETE_INPUTS_ENABLED > 0
eMBException    eMBFuncReadDiscreteInputs( UCHAR * pucFrame, USHORT * usLen );
#endif

#ifdef __cplusplus
PR_END_EXTERN_C
#endif
#endif