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83 lines
3.5 KiB
83 lines
3.5 KiB
/* |
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* FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. |
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* Copyright (c) 2006 Christian Walter <wolti@sil.at> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* File: $Id: mbproto.h,v 1.14 2006/12/07 22:10:34 wolti Exp $ |
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*/ |
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#ifndef _MB_PROTO_H |
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#define _MB_PROTO_H |
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#ifdef __cplusplus |
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PR_BEGIN_EXTERN_C |
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#endif |
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/* ----------------------- Defines ------------------------------------------*/ |
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#define MB_ADDRESS_BROADCAST ( 0 ) /*! Modbus broadcast address. */ |
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#define MB_ADDRESS_MIN ( 1 ) /*! Smallest possible slave address. */ |
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#define MB_ADDRESS_MAX ( 247 ) /*! Biggest possible slave address. */ |
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#define MB_FUNC_NONE ( 0 ) |
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#define MB_FUNC_READ_COILS ( 1 ) |
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#define MB_FUNC_READ_DISCRETE_INPUTS ( 2 ) |
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#define MB_FUNC_WRITE_SINGLE_COIL ( 5 ) |
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#define MB_FUNC_WRITE_MULTIPLE_COILS ( 15 ) |
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#define MB_FUNC_READ_HOLDING_REGISTER ( 3 ) |
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#define MB_FUNC_READ_INPUT_REGISTER ( 4 ) |
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#define MB_FUNC_WRITE_REGISTER ( 6 ) |
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#define MB_FUNC_WRITE_MULTIPLE_REGISTERS ( 16 ) |
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#define MB_FUNC_READWRITE_MULTIPLE_REGISTERS ( 23 ) |
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#define MB_FUNC_DIAG_READ_EXCEPTION ( 7 ) |
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#define MB_FUNC_DIAG_DIAGNOSTIC ( 8 ) |
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#define MB_FUNC_DIAG_GET_COM_EVENT_CNT ( 11 ) |
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#define MB_FUNC_DIAG_GET_COM_EVENT_LOG ( 12 ) |
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#define MB_FUNC_OTHER_REPORT_SLAVEID ( 17 ) |
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#define MB_FUNC_ERROR ( 128 ) |
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/* ----------------------- Type definitions ---------------------------------*/ |
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typedef enum |
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{ |
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MB_EX_NONE = 0x00, |
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MB_EX_ILLEGAL_FUNCTION = 0x01, |
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MB_EX_ILLEGAL_DATA_ADDRESS = 0x02, |
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MB_EX_ILLEGAL_DATA_VALUE = 0x03, |
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MB_EX_SLAVE_DEVICE_FAILURE = 0x04, |
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MB_EX_ACKNOWLEDGE = 0x05, |
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MB_EX_SLAVE_BUSY = 0x06, |
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MB_EX_MEMORY_PARITY_ERROR = 0x08, |
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MB_EX_GATEWAY_PATH_FAILED = 0x0A, |
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MB_EX_GATEWAY_TGT_FAILED = 0x0B |
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} eMBException; |
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typedef eMBException( *pxMBFunctionHandler ) ( uint8_t * pucFrame, uint16_t * pusLength ); |
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typedef struct |
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{ |
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uint8_t ucFunctionCode; |
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pxMBFunctionHandler pxHandler; |
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} xMBFunctionHandler; |
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#ifdef __cplusplus |
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PR_END_EXTERN_C |
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#endif |
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#endif
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