/* * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. * Copyright (C) 2006 Christian Walter * * 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: $Id$ */ #ifndef _MB_CONFIG_H #define _MB_CONFIG_H #ifdef __cplusplus PR_BEGIN_EXTERN_C #endif /* ----------------------- Defines ------------------------------------------*/ /*! \defgroup modbus_cfg Modbus Configuration * * Most modules in the protocol stack are completly optional and can be * excluded. This is specially important if target resources are very small * and program memory space should be saved.
* * All of these settings are available in the file mbconfig.h */ /*! \addtogroup modbus_cfg * @{ */ /*! \brief If Modbus ASCII support is enabled. */ #define MB_ASCII_ENABLED ( 0 ) /*! \brief If Modbus RTU support is enabled. */ #define MB_RTU_ENABLED ( 0 ) /*! \brief If Modbus TCP support is enabled. */ #define MB_TCP_ENABLED ( 1 ) /*! \brief The character timeout value for Modbus ASCII. * * The character timeout value is not fixed for Modbus ASCII and is therefore * a configuration option. It should be set to the maximum expected delay * time of the network. */ #define MB_ASCII_TIMEOUT_SEC ( 1 ) /*! \brief Maximum number of Modbus functions codes the protocol stack * should support. * * The maximum number of supported Modbus functions must be greater than * the sum of all enabled functions in this file and custom function * handlers. If set to small adding more functions will fail. */ #define MB_FUNC_HANDLERS_MAX ( 16 ) /*! \brief Number of bytes which should be allocated for the Report Slave ID * command. * * This number limits the maximum size of the additional segment in the * report slave id function. See eMBSetSlaveID( ) for more information on * how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED * is set to 1. */ #define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 ) /*! \brief If the Report Slave ID function should be enabled. */ #define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( 1 ) /*! \brief If the Read Input Registers function should be enabled. */ #define MB_FUNC_READ_INPUT_ENABLED ( 1 ) /*! \brief If the Read Holding Registers function should be enabled. */ #define MB_FUNC_READ_HOLDING_ENABLED ( 1 ) /*! \brief If the Write Single Register function should be enabled. */ #define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 ) /*! \brief If the Write Multiple registers function should be enabled. */ #define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 ) /*! \brief If the Read Coils function should be enabled. */ #define MB_FUNC_READ_COILS_ENABLED ( 1 ) /*! \brief If the Write Coils function should be enabled. */ #define MB_FUNC_WRITE_COIL_ENABLED ( 1 ) /*! \brief If the Write Multiple Coils function should be enabled. */ #define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 ) /*! \brief If the Read Discrete Inputs function should be enabled. */ #define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 ) /*! @} */ #ifdef __cplusplus PR_END_EXTERN_C #endif #endif