Rajit Singh / Mbed OS Modbus

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Dependents:   NUCLEO-F401-printf

mbframe.h@1:3e360cf155b6, 2017-08-16 (annotated)

Committer:
Rajit Singh
Date:
Wed Aug 16 17:31:26 2017 +0100
Revision:
1:3e360cf155b6
Parent:
0:9db3bed8fffd 
Remove main.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rajit Singh 0:9db3bed8fffd 1 /*
Rajit Singh 0:9db3bed8fffd 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
Rajit Singh 0:9db3bed8fffd 3 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
Rajit Singh 0:9db3bed8fffd 4 * All rights reserved.
Rajit Singh 0:9db3bed8fffd 5 *
Rajit Singh 0:9db3bed8fffd 6 * Redistribution and use in source and binary forms, with or without
Rajit Singh 0:9db3bed8fffd 7 * modification, are permitted provided that the following conditions
Rajit Singh 0:9db3bed8fffd 8 * are met:
Rajit Singh 0:9db3bed8fffd 9 * 1. Redistributions of source code must retain the above copyright
Rajit Singh 0:9db3bed8fffd 10 * notice, this list of conditions and the following disclaimer.
Rajit Singh 0:9db3bed8fffd 11 * 2. Redistributions in binary form must reproduce the above copyright
Rajit Singh 0:9db3bed8fffd 12 * notice, this list of conditions and the following disclaimer in the
Rajit Singh 0:9db3bed8fffd 13 * documentation and/or other materials provided with the distribution.
Rajit Singh 0:9db3bed8fffd 14 * 3. The name of the author may not be used to endorse or promote products
Rajit Singh 0:9db3bed8fffd 15 * derived from this software without specific prior written permission.
Rajit Singh 0:9db3bed8fffd 16 *
Rajit Singh 0:9db3bed8fffd 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
Rajit Singh 0:9db3bed8fffd 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Rajit Singh 0:9db3bed8fffd 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Rajit Singh 0:9db3bed8fffd 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
Rajit Singh 0:9db3bed8fffd 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
Rajit Singh 0:9db3bed8fffd 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Rajit Singh 0:9db3bed8fffd 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Rajit Singh 0:9db3bed8fffd 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Rajit Singh 0:9db3bed8fffd 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
Rajit Singh 0:9db3bed8fffd 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Rajit Singh 0:9db3bed8fffd 27 *
Rajit Singh 0:9db3bed8fffd 28 * File: $Id: mbframe.h,v 1.9 2006/12/07 22:10:34 wolti Exp $
Rajit Singh 0:9db3bed8fffd 29 */
Rajit Singh 0:9db3bed8fffd 30
Rajit Singh 0:9db3bed8fffd 31 #ifndef _MB_FRAME_H
Rajit Singh 0:9db3bed8fffd 32 #define _MB_FRAME_H
Rajit Singh 0:9db3bed8fffd 33
Rajit Singh 0:9db3bed8fffd 34 #ifdef __cplusplus
Rajit Singh 0:9db3bed8fffd 35 PR_BEGIN_EXTERN_C
Rajit Singh 0:9db3bed8fffd 36 #endif
Rajit Singh 0:9db3bed8fffd 37
Rajit Singh 0:9db3bed8fffd 38 /*!
Rajit Singh 0:9db3bed8fffd 39 * Constants which defines the format of a modbus frame. The example is
Rajit Singh 0:9db3bed8fffd 40 * shown for a Modbus RTU/ASCII frame. Note that the Modbus PDU is not
Rajit Singh 0:9db3bed8fffd 41 * dependent on the underlying transport.
Rajit Singh 0:9db3bed8fffd 42 *
Rajit Singh 0:9db3bed8fffd 43 * <code>
Rajit Singh 0:9db3bed8fffd 44 * <------------------------ MODBUS SERIAL LINE PDU (1) ------------------->
Rajit Singh 0:9db3bed8fffd 45 * <----------- MODBUS PDU (1') ---------------->
Rajit Singh 0:9db3bed8fffd 46 * +-----------+---------------+----------------------------+-------------+
Rajit Singh 0:9db3bed8fffd 47 * | Address | Function Code | Data | CRC/LRC |
Rajit Singh 0:9db3bed8fffd 48 * +-----------+---------------+----------------------------+-------------+
Rajit Singh 0:9db3bed8fffd 49 * | | | |
Rajit Singh 0:9db3bed8fffd 50 * (2) (3/2') (3') (4)
Rajit Singh 0:9db3bed8fffd 51 *
Rajit Singh 0:9db3bed8fffd 52 * (1) ... MB_SER_PDU_SIZE_MAX = 256
Rajit Singh 0:9db3bed8fffd 53 * (2) ... MB_SER_PDU_ADDR_OFF = 0
Rajit Singh 0:9db3bed8fffd 54 * (3) ... MB_SER_PDU_PDU_OFF = 1
Rajit Singh 0:9db3bed8fffd 55 * (4) ... MB_SER_PDU_SIZE_CRC = 2
Rajit Singh 0:9db3bed8fffd 56 *
Rajit Singh 0:9db3bed8fffd 57 * (1') ... MB_PDU_SIZE_MAX = 253
Rajit Singh 0:9db3bed8fffd 58 * (2') ... MB_PDU_FUNC_OFF = 0
Rajit Singh 0:9db3bed8fffd 59 * (3') ... MB_PDU_DATA_OFF = 1
Rajit Singh 0:9db3bed8fffd 60 * </code>
Rajit Singh 0:9db3bed8fffd 61 */
Rajit Singh 0:9db3bed8fffd 62
Rajit Singh 0:9db3bed8fffd 63 /* ----------------------- Defines ------------------------------------------*/
Rajit Singh 0:9db3bed8fffd 64 #define MB_PDU_SIZE_MAX 253 /*!< Maximum size of a PDU. */
Rajit Singh 0:9db3bed8fffd 65 #define MB_PDU_SIZE_MIN 1 /*!< Function Code */
Rajit Singh 0:9db3bed8fffd 66 #define MB_PDU_FUNC_OFF 0 /*!< Offset of function code in PDU. */
Rajit Singh 0:9db3bed8fffd 67 #define MB_PDU_DATA_OFF 1 /*!< Offset for response data in PDU. */
Rajit Singh 0:9db3bed8fffd 68
Rajit Singh 0:9db3bed8fffd 69 /* ----------------------- Prototypes 0-------------------------------------*/
Rajit Singh 0:9db3bed8fffd 70 typedef void ( *pvMBFrameStart ) ( void );
Rajit Singh 0:9db3bed8fffd 71
Rajit Singh 0:9db3bed8fffd 72 typedef void ( *pvMBFrameStop ) ( void );
Rajit Singh 0:9db3bed8fffd 73
Rajit Singh 0:9db3bed8fffd 74 typedef eMBErrorCode( *peMBFrameReceive ) ( UCHAR * pucRcvAddress,
Rajit Singh 0:9db3bed8fffd 75 UCHAR ** pucFrame,
Rajit Singh 0:9db3bed8fffd 76 USHORT * pusLength );
Rajit Singh 0:9db3bed8fffd 77
Rajit Singh 0:9db3bed8fffd 78 typedef eMBErrorCode( *peMBFrameSend ) ( UCHAR slaveAddress,
Rajit Singh 0:9db3bed8fffd 79 const UCHAR * pucFrame,
Rajit Singh 0:9db3bed8fffd 80 USHORT usLength );
Rajit Singh 0:9db3bed8fffd 81
Rajit Singh 0:9db3bed8fffd 82 typedef void( *pvMBFrameClose ) ( void );
Rajit Singh 0:9db3bed8fffd 83
Rajit Singh 0:9db3bed8fffd 84 #ifdef __cplusplus
Rajit Singh 0:9db3bed8fffd 85 PR_END_EXTERN_C
Rajit Singh 0:9db3bed8fffd 86 #endif
Rajit Singh 0:9db3bed8fffd 87 #endif