133 lines
5.4 KiB
C
133 lines
5.4 KiB
C
/*
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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: mbconfig.h,v 1.15 2010/06/06 13:54:40 wolti Exp $
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*/
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#ifndef _MB_CONFIG_H
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#define _MB_CONFIG_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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/*! \defgroup modbus_cfg Modbus Configuration
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*
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* Most modules in the protocol stack are completly optional and can be
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* excluded. This is specially important if target resources are very small
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* and program memory space should be saved.<br>
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*
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* All of these settings are available in the file <code>mbconfig.h</code>
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*/
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/*! \addtogroup modbus_cfg
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* @{
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*/
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/*! \brief If Modbus ASCII support is enabled. */
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#define MB_ASCII_ENABLED ( 0 )
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/*! \brief If Modbus RTU support is enabled. */
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#define MB_RTU_ENABLED ( 1 )
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/*! \brief If Modbus TCP support is enabled. */
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#define MB_TCP_ENABLED ( 0 )
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/*! \brief The character timeout value for Modbus ASCII.
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*
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* The character timeout value is not fixed for Modbus ASCII and is therefore
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* a configuration option. It should be set to the maximum expected delay
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* time of the network.
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*/
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#define MB_ASCII_TIMEOUT_SEC ( 1 )
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/*! \brief Timeout to wait in ASCII prior to enabling transmitter.
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*
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* If defined the function calls vMBPortSerialDelay with the argument
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* MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS to allow for a delay before
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* the serial transmitter is enabled. This is required because some
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* targets are so fast that there is no time between receiving and
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* transmitting the frame. If the master is to slow with enabling its
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* receiver then he will not receive the response correctly.
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*/
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#ifndef MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS
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#define MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS ( 0 )
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#endif
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/*! \brief Maximum number of Modbus functions codes the protocol stack
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* should support.
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*
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* The maximum number of supported Modbus functions must be greater than
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* the sum of all enabled functions in this file and custom function
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* handlers. If set to small adding more functions will fail.
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*/
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#define MB_FUNC_HANDLERS_MAX ( 16 )
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/*! \brief Number of bytes which should be allocated for the <em>Report Slave ID
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* </em>command.
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*
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* This number limits the maximum size of the additional segment in the
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* report slave id function. See eMBSetSlaveID( ) for more information on
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* how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED
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* is set to <code>1</code>.
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*/
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#define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 )
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/*! \brief If the <em>Report Slave ID</em> function should be enabled. */
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#define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( CONFIG_MB_CONTROLLER_SLAVE_ID_SUPPORT )
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/*! \brief If the <em>Read Input Registers</em> function should be enabled. */
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#define MB_FUNC_READ_INPUT_ENABLED ( 1 )
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/*! \brief If the <em>Read Holding Registers</em> function should be enabled. */
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#define MB_FUNC_READ_HOLDING_ENABLED ( 1 )
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/*! \brief If the <em>Write Single Register</em> function should be enabled. */
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#define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 )
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/*! \brief If the <em>Write Multiple registers</em> function should be enabled. */
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#define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 )
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/*! \brief If the <em>Read Coils</em> function should be enabled. */
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#define MB_FUNC_READ_COILS_ENABLED ( 1 )
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/*! \brief If the <em>Write Coils</em> function should be enabled. */
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#define MB_FUNC_WRITE_COIL_ENABLED ( 1 )
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/*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */
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#define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 )
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/*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */
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#define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 )
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/*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */
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#define MB_FUNC_READWRITE_HOLDING_ENABLED ( 1 )
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/*! @} */
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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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