63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/****************************************************************************
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* apps/modbus/tcp/mbtcp.h
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*
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* FreeModbus Library: 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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****************************************************************************/
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#ifndef __APPS_MODBUS_TCP_MBTCP_H
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#define __APPS_MODBUS_TCP_MBTCP_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define MB_TCP_PSEUDO_ADDRESS 255
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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eMBErrorCode eMBTCPDoInit(uint16_t ucTCPPort);
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void eMBTCPStart(void);
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void eMBTCPStop(void);
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eMBErrorCode eMBTCPReceive(uint8_t *pucRcvAddress, uint8_t **pucFrame,
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uint16_t *pusLength);
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eMBErrorCode eMBTCPSend(uint8_t _unused, const uint8_t *pucFrame,
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uint16_t usLength);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __APPS_MODBUS_TCP_MBTCP_H */
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