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https://github.com/espressif/esp-idf.git
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d0b9829eef
Add TCP port files to provide Modbus TCP interface for communication Add freemodbus add tcp support for common master/slave iface and tcp example based on socket API The communication between master and slave checked for each example serial_master, serial_slave (use ModbusPoll TCP) update tcp example according netif changes, fix ci issues update TCP slave implementation update example_test.py to to set IP through stdin update API documentation event bit instead of semahore to lock communication resource update default options and master/slave port files Closes https://github.com/espressif/esp-idf/issues/858 Closes IDF-452
70 lines
3.0 KiB
C
70 lines
3.0 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: mbrtu.h,v 1.9 2006/12/07 22:10:34 wolti Exp $
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*/
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#include "mbconfig.h"
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#ifndef _MB_RTU_H
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#define _MB_RTU_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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#define MB_SER_PDU_SIZE_MIN 4 /*!< Minimum size of a Modbus RTU frame. */
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#if MB_SLAVE_RTU_ENABLED
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eMBErrorCode eMBRTUInit( UCHAR slaveAddress, UCHAR ucPort, ULONG ulBaudRate,
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eMBParity eParity );
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void eMBRTUStart( void );
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void eMBRTUStop( void );
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eMBErrorCode eMBRTUReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame, USHORT * pusLength );
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eMBErrorCode eMBRTUSend( UCHAR slaveAddress, const UCHAR * pucFrame, USHORT usLength );
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BOOL xMBRTUReceiveFSM( void );
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BOOL xMBRTUTransmitFSM( void );
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BOOL xMBRTUTimerT15Expired( void );
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BOOL xMBRTUTimerT35Expired( void );
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#endif
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#if MB_MASTER_RTU_ENABLED
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eMBErrorCode eMBMasterRTUInit( UCHAR ucPort, ULONG ulBaudRate,eMBParity eParity );
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void eMBMasterRTUStart( void );
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void eMBMasterRTUStop( void );
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eMBErrorCode eMBMasterRTUReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame, USHORT * pusLength );
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eMBErrorCode eMBMasterRTUSend( UCHAR slaveAddress, const UCHAR * pucFrame, USHORT usLength );
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BOOL xMBMasterRTUReceiveFSM( void );
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BOOL xMBMasterRTUTransmitFSM( void );
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BOOL xMBMasterRTUTimerExpired( void );
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#endif
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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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