SOEM/oshw/rtk/oshw.c

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2014-11-25 16:10:29 +01:00
/******************************************************************************
* * *** ***
* *** *** ***
* *** **** ********** *** ***** *** **** *****
* ********* ********** *** ********* ************ *********
* **** *** *** *** *** **** ***
* *** *** ****** *** *********** *** **** *****
* *** *** ****** *** ************* *** **** *****
* *** **** **** *** *** *** **** ***
* *** ******* ***** ************** ************* *********
* *** ***** *** ******* ** ** ****** *****
* t h e r e a l t i m e t a r g e t e x p e r t s
*
* http://www.rt-labs.com
* Copyright (C) 2009. rt-labs AB, Sweden. All rights reserved.
*------------------------------------------------------------------------------
* $Id: oshw.c 411 2012-12-02 20:16:39Z rtlaka $
*------------------------------------------------------------------------------
*/
#include "oshw.h"
#include <stdlib.h>
#include <lwip/inet.h>
/**
* Host to Network byte order (i.e. to big endian).
*
* Note that Ethercat uses little endian byte order, except for the Ethernet
* header which is big endian as usual.
*/
uint16 oshw_htons(const uint16 host)
{
uint16 network = htons (host);
return network;
}
/**
* Network (i.e. big endian) to Host byte order.
*
* Note that Ethercat uses little endian byte order, except for the Ethernet
* header which is big endian as usual.
*/
uint16 oshw_ntohs(const uint16 network)
{
uint16 host = ntohs (network);
return host;
}
/* Create list over available network adapters.
* @return First element in linked list of adapters
*/
ec_adaptert * oshw_find_adapters(void)
{
ec_adaptert * ret_adapter = NULL;
/* TODO if needed */
return ret_adapter;
}
/** Free memory allocated memory used by adapter collection.
* @param[in] adapter = First element in linked list of adapters
* EC_NOFRAME.
*/
void oshw_free_adapters(ec_adaptert * adapter)
{
/* TODO if needed */
}