mbproto.h
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上传日期:2013-10-09
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文件大小:3k
- /*
- * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
- * Copyright (C) 2006 Christian Walter <wolti@sil.at>
- *
- * 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: mbproto.h,v 1.10 2006/06/18 09:54:53 wolti Exp $
- */
- #ifndef _MB_PROTO_H
- #define _MB_PROTO_H
- #ifdef __cplusplus
- PR_BEGIN_EXTERN_C
- #endif
- /* ----------------------- Defines ------------------------------------------*/
- #define MB_ADDRESS_BROADCAST ( 0 ) /*! Modbus broadcast address. */
- #define MB_ADDRESS_MIN ( 1 ) /*! Smallest possible slave address. */
- #define MB_ADDRESS_MAX ( 247 ) /*! Biggest possible slave address. */
- #define MB_FUNC_NONE ( 0 )
- #define MB_FUNC_READ_COILS ( 1 )
- #define MB_FUNC_READ_DISCRETE_INPUTS ( 2 )
- #define MB_FUNC_WRITE_SINGLE_COIL ( 5 )
- #define MB_FUNC_WRITE_MULTIPLE_COILS ( 15 )
- #define MB_FUNC_READ_HOLDING_REGISTER ( 3 )
- #define MB_FUNC_READ_INPUT_REGISTER ( 4 )
- #define MB_FUNC_WRITE_REGISTER ( 6 )
- #define MB_FUNC_WRITE_MULTIPLE_REGISTERS ( 16 )
- #define MB_FUNC_DIAG_READ_EXCEPTION ( 7 )
- #define MB_FUNC_DIAG_DIAGNOSTIC ( 8 )
- #define MB_FUNC_DIAG_GET_COM_EVENT_CNT ( 11 )
- #define MB_FUNC_DIAG_GET_COM_EVENT_LOG ( 12 )
- #define MB_FUNC_OTHER_REPORT_SLAVEID ( 17 )
- #define MB_FUNC_ERROR ( 128 )
- /* ----------------------- Type definitions ---------------------------------*/
- typedef enum
- {
- MB_EX_NONE = 0x00,
- MB_EX_ILLEGAL_FUNCTION = 0x01,
- MB_EX_ILLEGAL_DATA_ADDRESS = 0x02,
- MB_EX_ILLEGAL_DATA_VALUE = 0x03,
- MB_EX_SLAVE_DEVICE_FAILURE = 0x04,
- MB_EX_ACKNOWLEDGE = 0x05,
- MB_EX_SLAVE_BUSY = 0x06,
- MB_EX_MEMORY_PARITY_ERROR = 0x08,
- MB_EX_GATEWAY_PATH_FAILED = 0x0A,
- MB_EX_GATEWAY_TGT_FAILED = 0x0B,
- } eMBException;
- typedef eMBException( *pxMBFunctionHandler ) ( UCHAR * pucFrame,
- USHORT * usLen );
- typedef struct
- {
- UCHAR ucFunctionCode;
- pxMBFunctionHandler pxHandler;
- } xMBFunctionHandler;
- #ifdef __cplusplus
- PR_END_EXTERN_C
- #endif
- #endif