Athanassios Mavrogeorgiadis
Modbus RTU/ASCII/TCP with lwip TCP working partial, but with errors (retransmitions)
Dependencies: EthernetNetIf mbed
ModBus/mbconfig.h@0:f54e9507171b, 2011-12-05 (annotated)
- Committer:
- tmav123
- Date:
- Mon Dec 05 22:49:02 2011 +0000
- Revision:
- 0:f54e9507171b
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| tmav123 | 0:f54e9507171b | 1 | /* |
| tmav123 | 0:f54e9507171b | 2 | * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU. |
| tmav123 | 0:f54e9507171b | 3 | * Copyright (c) 2006 Christian Walter <wolti@sil.at> |
| tmav123 | 0:f54e9507171b | 4 | * All rights reserved. |
| tmav123 | 0:f54e9507171b | 5 | * |
| tmav123 | 0:f54e9507171b | 6 | * Redistribution and use in source and binary forms, with or without |
| tmav123 | 0:f54e9507171b | 7 | * modification, are permitted provided that the following conditions |
| tmav123 | 0:f54e9507171b | 8 | * are met: |
| tmav123 | 0:f54e9507171b | 9 | * 1. Redistributions of source code must retain the above copyright |
| tmav123 | 0:f54e9507171b | 10 | * notice, this list of conditions and the following disclaimer. |
| tmav123 | 0:f54e9507171b | 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| tmav123 | 0:f54e9507171b | 12 | * notice, this list of conditions and the following disclaimer in the |
| tmav123 | 0:f54e9507171b | 13 | * documentation and/or other materials provided with the distribution. |
| tmav123 | 0:f54e9507171b | 14 | * 3. The name of the author may not be used to endorse or promote products |
| tmav123 | 0:f54e9507171b | 15 | * derived from this software without specific prior written permission. |
| tmav123 | 0:f54e9507171b | 16 | * |
| tmav123 | 0:f54e9507171b | 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| tmav123 | 0:f54e9507171b | 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| tmav123 | 0:f54e9507171b | 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| tmav123 | 0:f54e9507171b | 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| tmav123 | 0:f54e9507171b | 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| tmav123 | 0:f54e9507171b | 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| tmav123 | 0:f54e9507171b | 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| tmav123 | 0:f54e9507171b | 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| tmav123 | 0:f54e9507171b | 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| tmav123 | 0:f54e9507171b | 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| tmav123 | 0:f54e9507171b | 27 | * |
| tmav123 | 0:f54e9507171b | 28 | * File: $Id: mbconfig.h,v 1.15 2010/06/06 13:54:40 wolti Exp $ |
| tmav123 | 0:f54e9507171b | 29 | */ |
| tmav123 | 0:f54e9507171b | 30 | |
| tmav123 | 0:f54e9507171b | 31 | #ifndef _MB_CONFIG_H |
| tmav123 | 0:f54e9507171b | 32 | #define _MB_CONFIG_H |
| tmav123 | 0:f54e9507171b | 33 | |
| tmav123 | 0:f54e9507171b | 34 | #ifdef __cplusplus |
| tmav123 | 0:f54e9507171b | 35 | PR_BEGIN_EXTERN_C |
| tmav123 | 0:f54e9507171b | 36 | #endif |
| tmav123 | 0:f54e9507171b | 37 | /* ----------------------- Defines ------------------------------------------*/ |
| tmav123 | 0:f54e9507171b | 38 | /*! \defgroup modbus_cfg Modbus Configuration |
| tmav123 | 0:f54e9507171b | 39 | * |
| tmav123 | 0:f54e9507171b | 40 | * Most modules in the protocol stack are completly optional and can be |
| tmav123 | 0:f54e9507171b | 41 | * excluded. This is specially important if target resources are very small |
| tmav123 | 0:f54e9507171b | 42 | * and program memory space should be saved.<br> |
| tmav123 | 0:f54e9507171b | 43 | * |
| tmav123 | 0:f54e9507171b | 44 | * All of these settings are available in the file <code>mbconfig.h</code> |
| tmav123 | 0:f54e9507171b | 45 | */ |
| tmav123 | 0:f54e9507171b | 46 | /*! \addtogroup modbus_cfg |
| tmav123 | 0:f54e9507171b | 47 | * @{ |
| tmav123 | 0:f54e9507171b | 48 | */ |
| tmav123 | 0:f54e9507171b | 49 | /*! \brief If Modbus ASCII support is enabled. */ |
| tmav123 | 0:f54e9507171b | 50 | #define MB_ASCII_ENABLED ( 0 ) |
| tmav123 | 0:f54e9507171b | 51 | |
| tmav123 | 0:f54e9507171b | 52 | /*! \brief If Modbus RTU support is enabled. */ |
| tmav123 | 0:f54e9507171b | 53 | #define MB_RTU_ENABLED ( 0 ) |
| tmav123 | 0:f54e9507171b | 54 | |
| tmav123 | 0:f54e9507171b | 55 | /*! \brief If Modbus TCP support is enabled. */ |
| tmav123 | 0:f54e9507171b | 56 | #define MB_TCP_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 57 | |
| tmav123 | 0:f54e9507171b | 58 | /*! \brief The character timeout value for Modbus ASCII. |
| tmav123 | 0:f54e9507171b | 59 | * |
| tmav123 | 0:f54e9507171b | 60 | * The character timeout value is not fixed for Modbus ASCII and is therefore |
| tmav123 | 0:f54e9507171b | 61 | * a configuration option. It should be set to the maximum expected delay |
| tmav123 | 0:f54e9507171b | 62 | * time of the network. |
| tmav123 | 0:f54e9507171b | 63 | */ |
| tmav123 | 0:f54e9507171b | 64 | #define MB_ASCII_TIMEOUT_SEC ( 1 ) |
| tmav123 | 0:f54e9507171b | 65 | |
| tmav123 | 0:f54e9507171b | 66 | /*! \brief Timeout to wait in ASCII prior to enabling transmitter. |
| tmav123 | 0:f54e9507171b | 67 | * |
| tmav123 | 0:f54e9507171b | 68 | * If defined the function calls vMBPortSerialDelay with the argument |
| tmav123 | 0:f54e9507171b | 69 | * MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS to allow for a delay before |
| tmav123 | 0:f54e9507171b | 70 | * the serial transmitter is enabled. This is required because some |
| tmav123 | 0:f54e9507171b | 71 | * targets are so fast that there is no time between receiving and |
| tmav123 | 0:f54e9507171b | 72 | * transmitting the frame. If the master is to slow with enabling its |
| tmav123 | 0:f54e9507171b | 73 | * receiver then he will not receive the response correctly. |
| tmav123 | 0:f54e9507171b | 74 | */ |
| tmav123 | 0:f54e9507171b | 75 | #ifndef MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS |
| tmav123 | 0:f54e9507171b | 76 | #define MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS ( 0 ) |
| tmav123 | 0:f54e9507171b | 77 | #endif |
| tmav123 | 0:f54e9507171b | 78 | |
| tmav123 | 0:f54e9507171b | 79 | /*! \brief Maximum number of Modbus functions codes the protocol stack |
| tmav123 | 0:f54e9507171b | 80 | * should support. |
| tmav123 | 0:f54e9507171b | 81 | * |
| tmav123 | 0:f54e9507171b | 82 | * The maximum number of supported Modbus functions must be greater than |
| tmav123 | 0:f54e9507171b | 83 | * the sum of all enabled functions in this file and custom function |
| tmav123 | 0:f54e9507171b | 84 | * handlers. If set to small adding more functions will fail. |
| tmav123 | 0:f54e9507171b | 85 | */ |
| tmav123 | 0:f54e9507171b | 86 | #define MB_FUNC_HANDLERS_MAX ( 16 ) |
| tmav123 | 0:f54e9507171b | 87 | |
| tmav123 | 0:f54e9507171b | 88 | /*! \brief Number of bytes which should be allocated for the <em>Report Slave ID |
| tmav123 | 0:f54e9507171b | 89 | * </em>command. |
| tmav123 | 0:f54e9507171b | 90 | * |
| tmav123 | 0:f54e9507171b | 91 | * This number limits the maximum size of the additional segment in the |
| tmav123 | 0:f54e9507171b | 92 | * report slave id function. See eMBSetSlaveID( ) for more information on |
| tmav123 | 0:f54e9507171b | 93 | * how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED |
| tmav123 | 0:f54e9507171b | 94 | * is set to <code>1</code>. |
| tmav123 | 0:f54e9507171b | 95 | */ |
| tmav123 | 0:f54e9507171b | 96 | #define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 ) |
| tmav123 | 0:f54e9507171b | 97 | |
| tmav123 | 0:f54e9507171b | 98 | /*! \brief If the <em>Report Slave ID</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 99 | #define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 100 | |
| tmav123 | 0:f54e9507171b | 101 | /*! \brief If the <em>Read Input Registers</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 102 | #define MB_FUNC_READ_INPUT_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 103 | |
| tmav123 | 0:f54e9507171b | 104 | /*! \brief If the <em>Read Holding Registers</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 105 | #define MB_FUNC_READ_HOLDING_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 106 | |
| tmav123 | 0:f54e9507171b | 107 | /*! \brief If the <em>Write Single Register</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 108 | #define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 109 | |
| tmav123 | 0:f54e9507171b | 110 | /*! \brief If the <em>Write Multiple registers</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 111 | #define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 112 | |
| tmav123 | 0:f54e9507171b | 113 | /*! \brief If the <em>Read Coils</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 114 | #define MB_FUNC_READ_COILS_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 115 | |
| tmav123 | 0:f54e9507171b | 116 | /*! \brief If the <em>Write Coils</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 117 | #define MB_FUNC_WRITE_COIL_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 118 | |
| tmav123 | 0:f54e9507171b | 119 | /*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 120 | #define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 121 | |
| tmav123 | 0:f54e9507171b | 122 | /*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 123 | #define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 124 | |
| tmav123 | 0:f54e9507171b | 125 | /*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */ |
| tmav123 | 0:f54e9507171b | 126 | #define MB_FUNC_READWRITE_HOLDING_ENABLED ( 1 ) |
| tmav123 | 0:f54e9507171b | 127 | |
| tmav123 | 0:f54e9507171b | 128 | /*! @} */ |
| tmav123 | 0:f54e9507171b | 129 | #ifdef __cplusplus |
| tmav123 | 0:f54e9507171b | 130 | PR_END_EXTERN_C |
| tmav123 | 0:f54e9507171b | 131 | #endif |
| tmav123 | 0:f54e9507171b | 132 | #endif |