master/sdo_entry.c
author Florian Pose <fp@igh-essen.com>
Mon, 23 Jun 2008 10:27:40 +0000
changeset 1051 40a4f31ec3b8
parent 991 2548ca639b1f
child 1326 ef907b0b5125
permissions -rw-r--r--
Added ec_pdo_list_print().
409
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/******************************************************************************
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
 *  $Id$
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
 *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
 *  This file is part of the IgH EtherCAT Master.
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
 *  The IgH EtherCAT Master is free software; you can redistribute it
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
 *  and/or modify it under the terms of the GNU General Public License
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
 *  as published by the Free Software Foundation; either version 2 of the
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
 *  License, or (at your option) any later version.
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
 *  The IgH EtherCAT Master is distributed in the hope that it will be
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
 *  GNU General Public License for more details.
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
 *  You should have received a copy of the GNU General Public License
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
 *  along with the IgH EtherCAT Master; if not, write to the Free Software
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
 *  The right to use EtherCAT Technology is granted and comes free of
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
 *  charge under condition of compatibility of product made by
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
 *  Licensee. People intending to distribute/sell products based on the
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
 *  code, have to sign an agreement to guarantee that products using
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
 *  software based on IgH EtherCAT master stay compatible with the actual
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
 *  EtherCAT specification (which are released themselves as an open
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
 *  standard) as the (only) precondition to have the right to use EtherCAT
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
 *  Technology, IP and trade marks.
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
 *
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
 *****************************************************************************/
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
/**
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
   \file
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    36
   CANopen-over-EtherCAT Sdo entry functions.
409
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
*/
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
/*****************************************************************************/
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    41
#include <linux/slab.h>
409
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    43
#include "sdo_entry.h"
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    44
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    45
/*****************************************************************************/
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    46
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    47
/** Constructor.
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    48
 */
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    49
void ec_sdo_entry_init(
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    50
        ec_sdo_entry_t *entry, /**< Sdo entry. */
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    51
        ec_sdo_t *sdo, /**< Parent Sdo. */
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    52
        uint8_t subindex /**< Subindex. */
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    53
        )
409
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
{
430
74754f45d5fa Implemented SDO reading via Sysfs.
Florian Pose <fp@igh-essen.com>
parents: 419
diff changeset
    55
    entry->sdo = sdo;
409
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
    entry->subindex = subindex;
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
    entry->data_type = 0x0000;
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
    entry->bit_length = 0;
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
    entry->description = NULL;
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
}
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
/*****************************************************************************/
bc4c852e1b93 Implemented fetching of SDO dictionary.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    64
/** Destructor.
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    65
 */
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    66
void ec_sdo_entry_clear(
847
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    67
        ec_sdo_entry_t *entry /**< Sdo entry. */
92266462d411 Saparated ec_sdo_t, ec_sdo_entry_t and ec_sdo_request_t.
Florian Pose <fp@igh-essen.com>
parents: 831
diff changeset
    68
        )
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 441
diff changeset
    69
{
991
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    70
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    71
    if (entry->description)
2548ca639b1f Removed kobject from sdo entry.
Florian Pose <fp@igh-essen.com>
parents: 986
diff changeset
    72
        kfree(entry->description);
448
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 441
diff changeset
    73
}
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 441
diff changeset
    74
e4b76dc7910c FIX: Introduced destroy() functions for kobject-derived classes and thus fixed memory leak.
Florian Pose <fp@igh-essen.com>
parents: 441
diff changeset
    75
/*****************************************************************************/