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https://github.com/3cky/mbusd.git
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d04736878d
+ RTS RS-485 transmit/receive control * RTU response receiving by length * Standard exception codes for receive error (04) and timeout (0x0B)
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
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* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
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*
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* sock.h - socket manipulation routines
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*
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* Copyright (c) 2002-2003, 2013, Victor Antonovich (v.antonovich@gmail.com)
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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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*
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* - 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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*
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* - 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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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: sock.h,v 1.4 2015/02/25 10:33:57 kapyar Exp $
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*/
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#ifndef _SOCKUTILS_H
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#define _SOCKUTILS_H
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#include "globals.h"
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#ifdef LOG
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# include "log.h"
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#endif
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#define BACKLOG 5
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/* Socket buffers size */
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#define SOCKBUFSIZE 512
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int sock_set_blkmode(int sd, int blkmode);
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int sock_create(int blkmode);
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int sock_create_server(char *server_ip,
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unsigned short server_port, int blkmode);
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int sock_accept(int server_sd,
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struct sockaddr_in *rmt_addr, int blkmode);
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#endif
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