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mbconfig.h
00001 /* 00002 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. 00003 * Copyright (c) 2006 Christian Walter <wolti@sil.at> 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 3. The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00019 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00020 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00022 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00026 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 * 00028 * File: $Id: mbconfig.h,v 1.14 2006/12/07 22:10:34 wolti Exp $ 00029 */ 00030 00031 #ifndef _MB_CONFIG_H 00032 #define _MB_CONFIG_H 00033 00034 #ifdef __cplusplus 00035 PR_BEGIN_EXTERN_C 00036 #endif 00037 /* ----------------------- Defines ------------------------------------------*/ 00038 /*! \defgroup modbus_cfg Modbus Configuration 00039 * 00040 * Most modules in the protocol stack are completly optional and can be 00041 * excluded. This is specially important if target resources are very small 00042 * and program memory space should be saved.<br> 00043 * 00044 * All of these settings are available in the file <code>mbconfig.h</code> 00045 */ 00046 /*! \addtogroup modbus_cfg 00047 * @{ 00048 */ 00049 /*! \brief If Modbus ASCII support is enabled. */ 00050 #define MB_ASCII_ENABLED ( 0 ) 00051 /*! \brief If Modbus RTU support is enabled. */ 00052 #define MB_RTU_ENABLED ( 1 ) 00053 /*! \brief If Modbus TCP support is enabled. */ 00054 #define MB_TCP_ENABLED ( 0 ) 00055 /*! \brief The character timeout value for Modbus ASCII. 00056 * 00057 * The character timeout value is not fixed for Modbus ASCII and is therefore 00058 * a configuration option. It should be set to the maximum expected delay 00059 * time of the network. 00060 */ 00061 #define MB_ASCII_TIMEOUT_SEC ( 0 ) 00062 /*! \brief Maximum number of Modbus functions codes the protocol stack 00063 * should support. 00064 * 00065 * The maximum number of supported Modbus functions must be greater than 00066 * the sum of all enabled functions in this file and custom function 00067 * handlers. If set to small adding more functions will fail. 00068 */ 00069 #define MB_FUNC_HANDLERS_MAX ( 16 ) 00070 /*! \brief Number of bytes which should be allocated for the <em>Report Slave ID 00071 * </em>command. 00072 * 00073 * This number limits the maximum size of the additional segment in the 00074 * report slave id function. See eMBSetSlaveID( ) for more information on 00075 * how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED 00076 * is set to <code>1</code>. 00077 */ 00078 #define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 ) 00079 /*! \brief If the <em>Report Slave ID</em> function should be enabled. */ 00080 #define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( 1 ) 00081 /*! \brief If the <em>Read Input Registers</em> function should be enabled. */ 00082 #define MB_FUNC_READ_INPUT_ENABLED ( 1 ) 00083 /*! \brief If the <em>Read Holding Registers</em> function should be enabled. */ 00084 #define MB_FUNC_READ_HOLDING_ENABLED ( 1 ) 00085 /*! \brief If the <em>Write Single Register</em> function should be enabled. */ 00086 #define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 ) 00087 /*! \brief If the <em>Write Multiple registers</em> function should be enabled. */ 00088 #define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 ) 00089 /*! \brief If the <em>Read Coils</em> function should be enabled. */ 00090 #define MB_FUNC_READ_COILS_ENABLED ( 1 ) 00091 /*! \brief If the <em>Write Coils</em> function should be enabled. */ 00092 #define MB_FUNC_WRITE_COIL_ENABLED ( 1 ) 00093 /*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */ 00094 #define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 ) 00095 /*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */ 00096 #define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 ) 00097 /*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */ 00098 #define MB_FUNC_READWRITE_HOLDING_ENABLED ( 1 ) 00099 /*! @} */ 00100 #ifdef __cplusplus 00101 PR_END_EXTERN_C 00102 #endif 00103 #endif
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