IgH EtherCAT Master  1.5.3
sdo_entry.c
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1 /******************************************************************************
2  *
3  * $Id$
4  *
5  * Copyright (C) 2006-2008 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 and/or
10  * modify it under the terms of the GNU General Public License version 2, as
11  * published by the Free Software Foundation.
12  *
13  * The IgH EtherCAT Master is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
16  * Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with the IgH EtherCAT Master; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21  *
22  * ---
23  *
24  * The license mentioned above concerns the source code only. Using the
25  * EtherCAT technology and brand is only permitted in compliance with the
26  * industrial property and similar rights of Beckhoff Automation GmbH.
27  *
28  *****************************************************************************/
29 
35 /*****************************************************************************/
36 
37 #include <linux/slab.h>
38 
39 #include "sdo_entry.h"
40 
41 /*****************************************************************************/
42 
46  ec_sdo_entry_t *entry,
47  ec_sdo_t *sdo,
48  uint8_t subindex
49  )
50 {
51  entry->sdo = sdo;
52  entry->subindex = subindex;
53  entry->data_type = 0x0000;
54  entry->bit_length = 0;
61  entry->description = NULL;
62 }
63 
64 /*****************************************************************************/
65 
69  ec_sdo_entry_t *entry
70  )
71 {
72 
73  if (entry->description)
74  kfree(entry->description);
75 }
76 
77 /*****************************************************************************/
CANopen SDO entry.
Definition: sdo_entry.h:54
uint16_t bit_length
Data size in bit.
Definition: sdo_entry.h:59
CANopen SDO.
Definition: sdo.h:49
Access rights in SAFEOP.
Definition: globals.h:182
Access rights in PREOP.
Definition: globals.h:181
EtherCAT CANopen SDO entry structure.
char * description
Description.
Definition: sdo_entry.h:62
void ec_sdo_entry_clear(ec_sdo_entry_t *entry)
Destructor.
Definition: sdo_entry.c:68
uint16_t data_type
Data type.
Definition: sdo_entry.h:58
ec_sdo_t * sdo
Parent SDO.
Definition: sdo_entry.h:56
Access rights in OP.
Definition: globals.h:183
uint8_t read_access[EC_SDO_ENTRY_ACCESS_COUNT]
Read access.
Definition: sdo_entry.h:60
void ec_sdo_entry_init(ec_sdo_entry_t *entry, ec_sdo_t *sdo, uint8_t subindex)
Constructor.
Definition: sdo_entry.c:45
uint8_t write_access[EC_SDO_ENTRY_ACCESS_COUNT]
Write access.
Definition: sdo_entry.h:61
uint8_t subindex
Subindex.
Definition: sdo_entry.h:57