SOEM/oshw/erika/oshw.c

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/*
* Licensed under the GNU General Public License version 2 with exceptions. See
* LICENSE file in the project root for full license information
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "oshw.h"
#include "intel_i210.h"
#include "ethercat.h"
#if !defined(__gnu_linux__)
#include <machine/endian.h>
#else
#include <endian.h>
#define __htons(x) htobe16(x)
#define __ntohs(x) be16toh(x)
#endif
ec_adaptert adapters [DEVS_MAX_NB];
/**
* 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.
*/
inline uint16 oshw_htons(uint16 host)
{
// __htons() is provided by the bare-metal x86 compiler
return __htons(host);
}
/**
* 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.
*/
inline uint16 oshw_ntohs(uint16 network)
{
// __ntohs() is provided by the bare-metal x86 compiler
return __ntohs(network);
}
/** Create list over available network adapters.
* @return First element in linked list of adapters
*/
ec_adaptert* oshw_find_adapters(void)
{
ec_adaptert *ret = NULL;
if (eth_discover_devices() >= 0) {
for (int i = 0;; ++i) {
struct eth_device *dev = eth_get_device(i);
if (dev == NULL) {
adapters[i-1].next = NULL;
break;
}
strncpy(adapters[i].name, dev->name, MAX_DEVICE_NAME);
adapters[i].next = &adapters[i+1];
}
ret = &(adapters[0]);
}
return ret;
}
/** 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)
{
}
extern int ec_slavecount;