1

/******************************************************************************

     2

 *

     3

 *  $Id$

     4

 *

     5

 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH

     6

 *

     7

 *  This file is part of the IgH EtherCAT Master.

     8

 *

     9

 *  The IgH EtherCAT Master is free software; you can redistribute it

    10

 *  and/or modify it under the terms of the GNU General Public License

    11

 *  as published by the Free Software Foundation; either version 2 of the

    12

 *  License, or (at your option) any later version.

    13

 *

    14

 *  The IgH EtherCAT Master is distributed in the hope that it will be

    15

 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

    16

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    17

 *  GNU General Public License for more details.

    18

 *

    19

 *  You should have received a copy of the GNU General Public License

    20

 *  along with the IgH EtherCAT Master; if not, write to the Free Software

    21

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    22

 *

    23

 *  The right to use EtherCAT Technology is granted and comes free of

    24

 *  charge under condition of compatibility of product made by

    25

 *  Licensee. People intending to distribute/sell products based on the

    26

 *  code, have to sign an agreement to guarantee that products using

    27

 *  software based on IgH EtherCAT master stay compatible with the actual

    28

 *  EtherCAT specification (which are released themselves as an open

    29

 *  standard) as the (only) precondition to have the right to use EtherCAT

    30

 *  Technology, IP and trade marks.

    31

 *

    32

 *****************************************************************************/

    33

    34

/**

    35

   \file

    36

   Canopen-over-EtherCAT Sdo request functions.

    37

*/

    38

    39

/*****************************************************************************/

    40

    41

#include <linux/module.h>

    42

    43

#include "sdo_request.h"

    44

    45

/*****************************************************************************/

    46

    47

/** Sdo request constructor.

    48

 */

    49

void ec_sdo_request_init(

    50

        ec_sdo_request_t *req, /**< Sdo request. */

    51

        uint16_t index, /**< Sdo index. */

    52

        uint8_t subindex /**< Sdo subindex. */

    53

        )

    54

{

    55

    req->index = index;

    56

    req->subindex = subindex;

    57

    req->data = NULL;

    58

    req->size = 0;

    59

    req->state = EC_REQUEST_QUEUED;

    60

}

    61

    62

/*****************************************************************************/

    63

    64

/** Sdo request destructor.

    65

 */

    66

void ec_sdo_request_clear(

    67

        ec_sdo_request_t *req /**< Sdo request. */

    68

        )

    69

{

    70

    if (req->data)

    71

        kfree(req->data);

    72

}

    73

    74

/*****************************************************************************/