97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* Simple Open EtherCAT Master Library
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*
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* File : oshw.c
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* Version : 1.3.1
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* Date : 10-01-2017
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* Copyright (C) 2005-2017 Speciaal Machinefabriek Ketels v.o.f.
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* Copyright (C) 2005-2017 Arthur Ketels
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* Copyright (C) 2008-2009 TU/e Technische Universiteit Eindhoven
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* Copyright (C) 2012-2017 rt-labs AB , Sweden
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*
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* SOEM is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* SOEM is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* As a special exception, if other files instantiate templates or use macros
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* or inline functions from this file, or you compile this file and link it
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* with other works to produce a work based on this file, this file does not
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* by itself cause the resulting work to be covered by the GNU General Public
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* License. However the source code for this file must still be made available
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* in accordance with section (3) of the GNU General Public License.
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*
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* This exception does not invalidate any other reasons why a work based on
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* this file might be covered by the GNU General Public License.
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*
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* The EtherCAT Technology, the trade name and logo “EtherCAT” are the intellectual
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* property of, and protected by Beckhoff Automation GmbH. You can use SOEM for
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* the sole purpose of creating, using and/or selling or otherwise distributing
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* an EtherCAT network master provided that an EtherCAT Master License is obtained
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* from Beckhoff Automation GmbH.
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*
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* In case you did not receive a copy of the EtherCAT Master License along with
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* SOEM write to Beckhoff Automation GmbH, Eiserstraße 5, D-33415 Verl, Germany
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* (www.beckhoff.com).
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*/
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "oshw.h"
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/**
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* Host to Network byte order (i.e. to big endian).
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*
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* Note that Ethercat uses little endian byte order, except for the Ethernet
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* header which is big endian as usual.
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*/
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uint16 oshw_htons(uint16 host)
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{
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uint16 network = htons (host);
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return network;
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}
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/**
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* Network (i.e. big endian) to Host byte order.
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*
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* Note that Ethercat uses little endian byte order, except for the Ethernet
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* header which is big endian as usual.
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*/
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uint16 oshw_ntohs(uint16 network)
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{
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uint16 host = ntohs (network);
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return host;
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}
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/** Create list over available network adapters.
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* @return First element in linked list of adapters
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*/
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ec_adaptert * oshw_find_adapters(void)
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{
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ec_adaptert * ret_adapter = NULL;
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/* Not implemented */
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assert(0);
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return ret_adapter;
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}
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/** Free memory allocated memory used by adapter collection.
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* @param[in] adapter = First element in linked list of adapters
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* EC_NOFRAME.
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*/
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void oshw_free_adapters(ec_adaptert * adapter)
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{
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/* Not implemented */
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assert(0);
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}
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