Forking https://os.mbed.com/users/cam/code/Modbus/ to work for NUCLEO 64 boards

Fork of Cam's original FreeModbus port (https://os.mbed.com/users/cam/code/Modbus/)

Change: - Serial implementation to work for NUCLEO 64 boards and receive interrupts instead of timer. (see `portserial.cpp`)

Added: - Custom RTU mode. Allows for external implementation of packet receiving and sending. Sends and receives packets as whole frames (address + PDU) (i.e. this was added for a custom LoRa implementation). implement `xMBRTUCustGetPDU` and `xMBRTUCustSendResponse` (see `mbport.h`) and call `eMBRTUCustomInit( address )`. implementations need to be fully initialised as `eMBRTUCustomInit` only sets the address and nothing else.

Committer:
danielmckinnell
Date:
Tue Aug 04 04:42:52 2020 +0000
Revision:
4:7621103c5a40
Parent:
3:4cda95d7b6c5
RTU Serial updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cam 0:0453a0a7e500 1 /*
cam 0:0453a0a7e500 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
cam 0:0453a0a7e500 3 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
cam 0:0453a0a7e500 4 * All rights reserved.
cam 0:0453a0a7e500 5 *
cam 0:0453a0a7e500 6 * Redistribution and use in source and binary forms, with or without
cam 0:0453a0a7e500 7 * modification, are permitted provided that the following conditions
cam 0:0453a0a7e500 8 * are met:
cam 0:0453a0a7e500 9 * 1. Redistributions of source code must retain the above copyright
cam 0:0453a0a7e500 10 * notice, this list of conditions and the following disclaimer.
cam 0:0453a0a7e500 11 * 2. Redistributions in binary form must reproduce the above copyright
cam 0:0453a0a7e500 12 * notice, this list of conditions and the following disclaimer in the
cam 0:0453a0a7e500 13 * documentation and/or other materials provided with the distribution.
cam 0:0453a0a7e500 14 * 3. The name of the author may not be used to endorse or promote products
cam 0:0453a0a7e500 15 * derived from this software without specific prior written permission.
cam 0:0453a0a7e500 16 *
cam 0:0453a0a7e500 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
cam 0:0453a0a7e500 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
cam 0:0453a0a7e500 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
cam 0:0453a0a7e500 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
cam 0:0453a0a7e500 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
cam 0:0453a0a7e500 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
cam 0:0453a0a7e500 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
cam 0:0453a0a7e500 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
cam 0:0453a0a7e500 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
cam 0:0453a0a7e500 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cam 0:0453a0a7e500 27 *
cam 0:0453a0a7e500 28 * File: $Id: mbconfig.h,v 1.14 2006/12/07 22:10:34 wolti Exp $
cam 0:0453a0a7e500 29 */
cam 0:0453a0a7e500 30
cam 0:0453a0a7e500 31 #ifndef _MB_CONFIG_H
cam 0:0453a0a7e500 32 #define _MB_CONFIG_H
cam 0:0453a0a7e500 33
cam 0:0453a0a7e500 34 #ifdef __cplusplus
cam 0:0453a0a7e500 35 PR_BEGIN_EXTERN_C
cam 0:0453a0a7e500 36 #endif
cam 0:0453a0a7e500 37 /* ----------------------- Defines ------------------------------------------*/
cam 0:0453a0a7e500 38 /*! \defgroup modbus_cfg Modbus Configuration
cam 0:0453a0a7e500 39 *
cam 0:0453a0a7e500 40 * Most modules in the protocol stack are completly optional and can be
cam 0:0453a0a7e500 41 * excluded. This is specially important if target resources are very small
cam 0:0453a0a7e500 42 * and program memory space should be saved.<br>
cam 0:0453a0a7e500 43 *
cam 0:0453a0a7e500 44 * All of these settings are available in the file <code>mbconfig.h</code>
cam 0:0453a0a7e500 45 */
cam 0:0453a0a7e500 46 /*! \addtogroup modbus_cfg
cam 0:0453a0a7e500 47 * @{
cam 0:0453a0a7e500 48 */
cam 0:0453a0a7e500 49 /*! \brief If Modbus ASCII support is enabled. */
cam 0:0453a0a7e500 50 #define MB_ASCII_ENABLED ( 0 )
cam 0:0453a0a7e500 51 /*! \brief If Modbus RTU support is enabled. */
cam 0:0453a0a7e500 52 #define MB_RTU_ENABLED ( 1 )
danielmckinnell 3:4cda95d7b6c5 53 /*! \brief If Modbus RTU CUSTOM (block mode) support is enabled. */
danielmckinnell 3:4cda95d7b6c5 54 #define MB_RTU_CUSTOM_ENABLED ( 1 )
cam 0:0453a0a7e500 55 /*! \brief If Modbus TCP support is enabled. */
cam 0:0453a0a7e500 56 #define MB_TCP_ENABLED ( 0 )
cam 0:0453a0a7e500 57 /*! \brief The character timeout value for Modbus ASCII.
cam 0:0453a0a7e500 58 *
cam 0:0453a0a7e500 59 * The character timeout value is not fixed for Modbus ASCII and is therefore
cam 0:0453a0a7e500 60 * a configuration option. It should be set to the maximum expected delay
cam 0:0453a0a7e500 61 * time of the network.
cam 0:0453a0a7e500 62 */
cam 0:0453a0a7e500 63 #define MB_ASCII_TIMEOUT_SEC ( 0 )
cam 0:0453a0a7e500 64 /*! \brief Maximum number of Modbus functions codes the protocol stack
cam 0:0453a0a7e500 65 * should support.
cam 0:0453a0a7e500 66 *
cam 0:0453a0a7e500 67 * The maximum number of supported Modbus functions must be greater than
cam 0:0453a0a7e500 68 * the sum of all enabled functions in this file and custom function
cam 0:0453a0a7e500 69 * handlers. If set to small adding more functions will fail.
cam 0:0453a0a7e500 70 */
cam 0:0453a0a7e500 71 #define MB_FUNC_HANDLERS_MAX ( 16 )
cam 0:0453a0a7e500 72 /*! \brief Number of bytes which should be allocated for the <em>Report Slave ID
cam 0:0453a0a7e500 73 * </em>command.
cam 0:0453a0a7e500 74 *
cam 0:0453a0a7e500 75 * This number limits the maximum size of the additional segment in the
cam 0:0453a0a7e500 76 * report slave id function. See eMBSetSlaveID( ) for more information on
cam 0:0453a0a7e500 77 * how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED
cam 0:0453a0a7e500 78 * is set to <code>1</code>.
cam 0:0453a0a7e500 79 */
cam 0:0453a0a7e500 80 #define MB_FUNC_OTHER_REP_SLAVEID_BUF ( 32 )
cam 0:0453a0a7e500 81 /*! \brief If the <em>Report Slave ID</em> function should be enabled. */
cam 0:0453a0a7e500 82 #define MB_FUNC_OTHER_REP_SLAVEID_ENABLED ( 1 )
cam 0:0453a0a7e500 83 /*! \brief If the <em>Read Input Registers</em> function should be enabled. */
cam 0:0453a0a7e500 84 #define MB_FUNC_READ_INPUT_ENABLED ( 1 )
cam 0:0453a0a7e500 85 /*! \brief If the <em>Read Holding Registers</em> function should be enabled. */
cam 0:0453a0a7e500 86 #define MB_FUNC_READ_HOLDING_ENABLED ( 1 )
cam 0:0453a0a7e500 87 /*! \brief If the <em>Write Single Register</em> function should be enabled. */
cam 0:0453a0a7e500 88 #define MB_FUNC_WRITE_HOLDING_ENABLED ( 1 )
cam 0:0453a0a7e500 89 /*! \brief If the <em>Write Multiple registers</em> function should be enabled. */
cam 0:0453a0a7e500 90 #define MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED ( 1 )
cam 0:0453a0a7e500 91 /*! \brief If the <em>Read Coils</em> function should be enabled. */
cam 0:0453a0a7e500 92 #define MB_FUNC_READ_COILS_ENABLED ( 1 )
cam 0:0453a0a7e500 93 /*! \brief If the <em>Write Coils</em> function should be enabled. */
cam 0:0453a0a7e500 94 #define MB_FUNC_WRITE_COIL_ENABLED ( 1 )
cam 0:0453a0a7e500 95 /*! \brief If the <em>Write Multiple Coils</em> function should be enabled. */
cam 0:0453a0a7e500 96 #define MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED ( 1 )
cam 0:0453a0a7e500 97 /*! \brief If the <em>Read Discrete Inputs</em> function should be enabled. */
cam 0:0453a0a7e500 98 #define MB_FUNC_READ_DISCRETE_INPUTS_ENABLED ( 1 )
cam 0:0453a0a7e500 99 /*! \brief If the <em>Read/Write Multiple Registers</em> function should be enabled. */
cam 0:0453a0a7e500 100 #define MB_FUNC_READWRITE_HOLDING_ENABLED ( 1 )
cam 0:0453a0a7e500 101 /*! @} */
cam 0:0453a0a7e500 102 #ifdef __cplusplus
cam 0:0453a0a7e500 103 PR_END_EXTERN_C
cam 0:0453a0a7e500 104 #endif
danielmckinnell 3:4cda95d7b6c5 105 #endif