Modbus RTU/ASCII/TCP with lwip TCP working partial, but with errors (retransmitions)
Dependencies: EthernetNetIf mbed
Diff: ModBus/mbconfig.h
- Revision:
- 0:f54e9507171b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ModBus/mbconfig.h Mon Dec 05 22:49:02 2011 +0000 @@ -0,0 +1,132 @@ +/* + * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. + * Copyright (c) 2006 Christian Walter <wolti@sil.at> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * File: $Id: mbconfig.h,v 1.15 2010/06/06 13:54:40 wolti Exp $ + */ + +#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.<br> + * + * All of these settings are available in the file <code>mbconfig.h</code> + */ +/*! \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 Timeout to wait in ASCII prior to enabling transmitter. + * + * If defined the function calls vMBPortSerialDelay with the argument + * MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS to allow for a delay before + * the serial transmitter is enabled. This is required because some + * targets are so fast that there is no time between receiving and + * transmitting the frame. If the master is to slow with enabling its + * receiver then he will not receive the response correctly. + */ +#ifndef MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS +#define MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS ( 0 ) +#endif + +/*! \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 <em>Report Slave ID + * </em>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 <code>1</code>. + */ +#define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 ) + +/*! \brief If the <em>Report Slave ID</em> function should be enabled. */ +#define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( 1 ) + +/*! \brief If the <em>Read Input Registers</em> function should be enabled. */ +#define MB_FUNC_READ_INPUT_ENABLED ( 1 ) + +/*! \brief If the <em>Read Holding Registers</em> function should be enabled. */ +#define MB_FUNC_READ_HOLDING_ENABLED ( 1 ) + +/*! \brief If the <em>Write Single Register</em> function should be enabled. */ +#define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 ) + +/*! \brief If the <em>Write Multiple registers</em> function should be enabled. */ +#define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 ) + +/*! \brief If the <em>Read Coils</em> function should be enabled. */ +#define MB_FUNC_READ_COILS_ENABLED ( 1 ) + +/*! \brief If the <em>Write Coils</em> function should be enabled. */ +#define MB_FUNC_WRITE_COIL_ENABLED ( 1 ) + +/*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */ +#define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 ) + +/*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */ +#define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 ) + +/*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */ +#define MB_FUNC_READWRITE_HOLDING_ENABLED ( 1 ) + +/*! @} */ +#ifdef __cplusplus + PR_END_EXTERN_C +#endif +#endif