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PlxEV
2025-06-06 21:17:25 +01:00
parent c188084ba4
commit 282e7f517b
841 changed files with 199592 additions and 1 deletions
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167
managed_components/espressif__esp-modbus/freemodbus/modbus/tcp/mbtcp.c Normal file
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/*
* SPDX-FileCopyrightText: 2006 Christian Walter
*
* SPDX-License-Identifier: BSD-3-Clause
*
* SPDX-FileContributor: 2016-2022 Espressif Systems (Shanghai) CO LTD
*/
/*
* 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: mbtcp.c,v 1.3 2006/12/07 22:10:34 wolti Exp $
*/
/* ----------------------- System includes ----------------------------------*/
#include "stdlib.h"
#include "string.h"
/* ----------------------- Platform includes --------------------------------*/
#include "port.h"
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbconfig.h"
#include "mbtcp.h"
#include "mbframe.h"
#include "mbport.h"
#if MB_TCP_ENABLED
/* ----------------------- Defines ------------------------------------------*/
/* ----------------------- MBAP Header --------------------------------------*/
/*
*
* <------------------------ MODBUS TCP/IP ADU(1) ------------------------->
* <----------- MODBUS PDU (1') ---------------->
* +-----------+---------------+------------------------------------------+
* | TID | PID | Length | UID |Code | Data |
* +-----------+---------------+------------------------------------------+
* | | | | |
* (2) (3) (4) (5) (6)
*
* (2) ... MB_TCP_TID = 0 (Transaction Identifier - 2 Byte)
* (3) ... MB_TCP_PID = 2 (Protocol Identifier - 2 Byte)
* (4) ... MB_TCP_LEN = 4 (Number of bytes - 2 Byte)
* (5) ... MB_TCP_UID = 6 (Unit Identifier - 1 Byte)
* (6) ... MB_TCP_FUNC = 7 (Modbus Function Code)
*
* (1) ... Modbus TCP/IP Application Data Unit
* (1') ... Modbus Protocol Data Unit
*/
#define MB_TCP_PROTOCOL_ID 0 /* 0 = Modbus Protocol */
/* ----------------------- Start implementation -----------------------------*/
eMBErrorCode
eMBTCPDoInit( USHORT ucTCPPort )
{
eMBErrorCode eStatus = MB_ENOERR;
if( xMBTCPPortInit( ucTCPPort ) == FALSE )
{
eStatus = MB_EPORTERR;
}
return eStatus;
}
void
eMBTCPStart( void )
{
ESP_LOGD(MB_PORT_TAG, "TCP Slave port enable.");
vMBTCPPortEnable( );
}
void
eMBTCPStop( void )
{
/* Make sure that no more clients are connected. */
ESP_LOGD(MB_PORT_TAG, "TCP Slave port disable.");
vMBTCPPortDisable( );
}
eMBErrorCode
eMBTCPReceive( UCHAR * pucRcvAddress, UCHAR ** ppucFrame, USHORT * pusLength )
{
eMBErrorCode eStatus = MB_EIO;
UCHAR *pucMBTCPFrame;
USHORT usLength;
USHORT usPID;
if( xMBTCPPortGetRequest( &pucMBTCPFrame, &usLength ) != FALSE )
{
usPID = pucMBTCPFrame[MB_TCP_PID] << 8U;
usPID |= pucMBTCPFrame[MB_TCP_PID + 1];
if( usPID == MB_TCP_PROTOCOL_ID )
{
*ppucFrame = &pucMBTCPFrame[MB_TCP_FUNC];
*pusLength = usLength - MB_TCP_FUNC;
eStatus = MB_ENOERR;
/* The regular Modbus TCP does not use any addresses. Fake the MBAP UID in this case.
* The MBAP UID field support is used for RTU over TCP option if enabled.
*/
#if MB_TCP_UID_ENABLED
*pucRcvAddress = pucMBTCPFrame[MB_TCP_UID];
#else
*pucRcvAddress = MB_TCP_PSEUDO_ADDRESS;
#endif
}
}
else
{
eStatus = MB_EIO;
}
return eStatus;
}
eMBErrorCode
eMBTCPSend( UCHAR _unused, const UCHAR * pucFrame, USHORT usLength )
{
eMBErrorCode eStatus = MB_ENOERR;
UCHAR *pucMBTCPFrame = ( UCHAR * ) pucFrame - MB_TCP_FUNC;
USHORT usTCPLength = usLength + MB_TCP_FUNC;
/* The MBAP header is already initialized because the caller calls this
* function with the buffer returned by the previous call. Therefore we
* only have to update the length in the header. Note that the length
* header includes the size of the Modbus PDU and the UID Byte. Therefore
* the length is usLength plus one.
*/
pucMBTCPFrame[MB_TCP_LEN] = ( usLength + 1 ) >> 8U;
pucMBTCPFrame[MB_TCP_LEN + 1] = ( usLength + 1 ) & 0xFF;
if( xMBTCPPortSendResponse( pucMBTCPFrame, usTCPLength ) == FALSE )
{
eStatus = MB_EIO;
}
return eStatus;
}
#endif

63
managed_components/espressif__esp-modbus/freemodbus/modbus/tcp/mbtcp.h Normal file
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/*
* SPDX-FileCopyrightText: 2006 Christian Walter
*
* SPDX-License-Identifier: BSD-3-Clause
*
* SPDX-FileContributor: 2016-2021 Espressif Systems (Shanghai) CO LTD
*/
/*
* 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: mbtcp.h,v 1.2 2006/12/07 22:10:34 wolti Exp $
*/
#ifndef _MB_TCP_H
#define _MB_TCP_H
#ifdef __cplusplus
PR_BEGIN_EXTERN_C
#endif
/* ----------------------- Defines ------------------------------------------*/
#if MB_TCP_ENABLED
/* ----------------------- Function prototypes ------------------------------*/
eMBErrorCode eMBTCPDoInit( USHORT ucTCPPort );
void eMBTCPStart( void );
void eMBTCPStop( void );
eMBErrorCode eMBTCPReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame,
USHORT * pusLength );
eMBErrorCode eMBTCPSend( UCHAR _unused, const UCHAR * pucFrame,
USHORT usLength );
#endif
#ifdef __cplusplus
PR_END_EXTERN_C
#endif
#endif

172
managed_components/espressif__esp-modbus/freemodbus/modbus/tcp/mbtcp_m.c Normal file
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/*
* SPDX-FileCopyrightText: 2006 Christian Walter
*
* SPDX-License-Identifier: BSD-3-Clause
*
* SPDX-FileContributor: 2016-2022 Espressif Systems (Shanghai) CO LTD
*/
/*
* 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: mbtcp.c,v 1.3 2006/12/07 22:10:34 wolti Exp $
*/
/* ----------------------- System includes ----------------------------------*/
#include "stdlib.h"
#include "string.h"
/* ----------------------- Platform includes --------------------------------*/
#include "port.h"
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbconfig.h"
#include "mbtcp_m.h"
#include "mbframe.h"
#include "mbport.h"
#if MB_MASTER_TCP_ENABLED
/* ----------------------- Defines ------------------------------------------*/
/* ----------------------- MBAP Header --------------------------------------*/
/*
*
* <------------------------ MODBUS TCP/IP ADU(1) ------------------------->
* <----------- MODBUS PDU (1') ---------------->
* +-----------+---------------+------------------------------------------+
* | TID | PID | Length | UID |Code | Data |
* +-----------+---------------+------------------------------------------+
* | | | | |
* (2) (3) (4) (5) (6)
*
* (2) ... MB_TCP_TID = 0 (Transaction Identifier - 2 Byte)
* (3) ... MB_TCP_PID = 2 (Protocol Identifier - 2 Byte)
* (4) ... MB_TCP_LEN = 4 (Number of bytes - 2 Byte)
* (5) ... MB_TCP_UID = 6 (Unit Identifier - 1 Byte)
* (6) ... MB_TCP_FUNC = 7 (Modbus Function Code)
*
* (1) ... Modbus TCP/IP Application Data Unit
* (1') ... Modbus Protocol Data Unit
*/
#define MB_TCP_PROTOCOL_ID 0 /* 0 = Modbus Protocol */
/* ----------------------- Start implementation -----------------------------*/
eMBErrorCode
eMBMasterTCPDoInit( USHORT ucTCPPort )
{
eMBErrorCode eStatus = MB_ENOERR;
if( xMBMasterTCPPortInit( ucTCPPort ) == FALSE )
{
eStatus = MB_EPORTERR;
}
return eStatus;
}
void
eMBMasterTCPStart( void )
{
ESP_LOGD(MB_PORT_TAG, "TCP Master port enable.");
vMBMasterTCPPortEnable( );
}
void
eMBMasterTCPStop( void )
{
ESP_LOGD(MB_PORT_TAG, "TCP Master port disable.");
vMBMasterTCPPortDisable( );
}
eMBErrorCode
eMBMasterTCPReceive( UCHAR * pucRcvAddress, UCHAR ** ppucFrame, USHORT * pusLength )
{
eMBErrorCode eStatus = MB_EIO;
UCHAR *pucMBTCPFrame;
USHORT usLength;
USHORT usPID;
if( xMBMasterTCPPortGetRequest( &pucMBTCPFrame, &usLength ) != FALSE )
{
usPID = pucMBTCPFrame[MB_TCP_PID] << 8U;
usPID |= pucMBTCPFrame[MB_TCP_PID + 1];
if( usPID == MB_TCP_PROTOCOL_ID )
{
*ppucFrame = &pucMBTCPFrame[MB_TCP_FUNC];
*pusLength = usLength - MB_TCP_FUNC;
eStatus = MB_ENOERR;
/* Get MBAP UID field if its support is enabled.
* Otherwise just ignore this field.
*/
#if MB_TCP_UID_ENABLED
*pucRcvAddress = pucMBTCPFrame[MB_TCP_UID];
#else
*pucRcvAddress = MB_TCP_PSEUDO_ADDRESS;
#endif
}
}
else
{
eStatus = MB_EIO;
}
return eStatus;
}
eMBErrorCode
eMBMasterTCPSend( UCHAR ucAddress, const UCHAR * pucFrame, USHORT usLength )
{
eMBErrorCode eStatus = MB_ENOERR;
UCHAR *pucMBTCPFrame = ( UCHAR * ) pucFrame - MB_TCP_FUNC;
USHORT usTCPLength = usLength + MB_TCP_FUNC;
/* Note that the length in the MBAP header includes the size of the Modbus PDU
* and the UID Byte. Therefore the length is usLength plus one.
*/
pucMBTCPFrame[MB_TCP_LEN] = ( usLength + 1 ) >> 8U;
pucMBTCPFrame[MB_TCP_LEN + 1] = ( usLength + 1 ) & 0xFF;
/* Set UID field in the MBAP if it is supported.
* If the RTU over TCP is not supported, the UID = 0 or 0xFF.
*/
#if MB_TCP_UID_ENABLED
pucMBTCPFrame[MB_TCP_UID] = ucAddress;
#else
pucMBTCPFrame[MB_TCP_UID] = 0x00;
#endif
if( xMBMasterTCPPortSendResponse( pucMBTCPFrame, usTCPLength ) == FALSE )
{
eStatus = MB_EIO;
}
return eStatus;
}
#endif

62
managed_components/espressif__esp-modbus/freemodbus/modbus/tcp/mbtcp_m.h Normal file
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/*
* SPDX-FileCopyrightText: 2016-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* 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: mbtcp.h,v 1.2 2006/12/07 22:10:34 wolti Exp $
*/
#ifndef _MB_TCP_M_H
#define _MB_TCP_M_H
#ifdef __cplusplus
PR_BEGIN_EXTERN_C
#endif
/* ----------------------- Defines ------------------------------------------*/
#if MB_MASTER_TCP_ENABLED
/* ----------------------- Function prototypes ------------------------------*/
eMBErrorCode eMBMasterTCPDoInit( USHORT ucTCPPort );
void eMBMasterTCPStart( void );
void eMBMasterTCPStop( void );
eMBErrorCode eMBMasterTCPReceive( UCHAR * pucRcvAddress, UCHAR ** pucFrame,
USHORT * pusLength );
eMBErrorCode eMBMasterTCPSend( UCHAR ucAddress, const UCHAR * pucFrame,
USHORT usLength );
BOOL xMBMasterTCPTimerExpired(void);
#endif
#ifdef __cplusplus
PR_END_EXTERN_C
#endif
#endif