author | Florian Pose <fp@igh-essen.com> |
Thu, 05 Jan 2006 14:11:25 +0000 | |
changeset 43 | 35120a61d55e |
parent 42 | a22a202d0f42 |
child 52 | c0405659a74a |
permissions | -rw-r--r-- |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
1 |
/****************************************************************************** |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
2 |
* |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
3 |
* ec_module.c |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
4 |
* |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
5 |
* EtherCAT-Master-Treiber |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
6 |
* |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
7 |
* Autoren: Wilhelm Hagemeister, Florian Pose |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
8 |
* |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
9 |
* $Id$ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
10 |
* |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
11 |
* (C) Copyright IgH 2005 |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
12 |
* Ingenieurgemeinschaft IgH |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
13 |
* Heinz-Bäcker Str. 34 |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
14 |
* D-45356 Essen |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
15 |
* Tel.: +49 201/61 99 31 |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
16 |
* Fax.: +49 201/61 98 36 |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
17 |
* E-mail: sp@igh-essen.com |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
18 |
* |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
19 |
*****************************************************************************/ |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
20 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
21 |
#include <linux/module.h> |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
22 |
#include <linux/kernel.h> |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
23 |
#include <linux/init.h> |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
24 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
25 |
#include "ec_module.h" |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
26 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
27 |
/*****************************************************************************/ |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
28 |
|
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
29 |
#define LIT(X) #X |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
30 |
#define STR(X) LIT(X) |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
31 |
|
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
32 |
#define COMPILE_INFO "Revision " STR(EC_REV) \ |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
33 |
", compiled by " STR(EC_USER) \ |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
34 |
" at " STR(EC_DATE) |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
35 |
|
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
36 |
/*****************************************************************************/ |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
37 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
38 |
int ecat_master_count = 1; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
39 |
EtherCAT_master_t *ecat_masters = NULL; |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
40 |
int *ecat_masters_reserved = NULL; |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
41 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
42 |
/*****************************************************************************/ |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
43 |
|
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
44 |
MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>," |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
45 |
"Florian Pose <fp@igh-essen.com>"); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
46 |
MODULE_DESCRIPTION ("EtherCAT master driver module"); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
47 |
MODULE_LICENSE("GPL"); |
34
c1e8d61fa395
Compile-Informationen hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents:
33
diff
changeset
|
48 |
MODULE_VERSION(COMPILE_INFO); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
49 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
50 |
module_param(ecat_master_count, int, 1); |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
51 |
MODULE_PARM_DESC(ecat_master_count, |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
52 |
"Number of EtherCAT master to initialize."); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
53 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
54 |
module_init(ecat_init_module); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
55 |
module_exit(ecat_cleanup_module); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
56 |
|
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
57 |
EXPORT_SYMBOL(EtherCAT_register_device); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
58 |
EXPORT_SYMBOL(EtherCAT_unregister_device); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
59 |
EXPORT_SYMBOL(EtherCAT_request); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
60 |
EXPORT_SYMBOL(EtherCAT_release); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
61 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
62 |
/*****************************************************************************/ |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
63 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
64 |
/** |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
65 |
Init-Funktion des EtherCAT-Master-Treibermodules |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
66 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
67 |
Initialisiert soviele Master, wie im Parameter ecat_master_count |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
68 |
angegeben wurde (Default ist 1). |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
69 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
70 |
@returns 0, wenn alles o.k., -1 bei ungueltiger Anzahl Master |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
71 |
oder zu wenig Speicher. |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
72 |
*/ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
73 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
74 |
int __init ecat_init_module(void) |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
75 |
{ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
76 |
unsigned int i; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
77 |
|
34
c1e8d61fa395
Compile-Informationen hinzugef?gt.
Florian Pose <fp@igh-essen.com>
parents:
33
diff
changeset
|
78 |
printk(KERN_ERR "EtherCAT: Master driver, %s\n", COMPILE_INFO); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
79 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
80 |
if (ecat_master_count < 1) { |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
81 |
printk(KERN_ERR "EtherCAT: Error - Illegal" |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
82 |
" ecat_master_count: %i\n", ecat_master_count); |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
83 |
return -1; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
84 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
85 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
86 |
printk(KERN_ERR "EtherCAT: Initializing %i EtherCAT master(s)...\n", |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
87 |
ecat_master_count); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
88 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
89 |
if ((ecat_masters = |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
90 |
(EtherCAT_master_t *) kmalloc(sizeof(EtherCAT_master_t) |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
91 |
* ecat_master_count, |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
92 |
GFP_KERNEL)) == NULL) { |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
93 |
printk(KERN_ERR "EtherCAT: Could not allocate" |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
94 |
" memory for EtherCAT master(s)!\n"); |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
95 |
return -1; |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
96 |
} |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
97 |
|
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
98 |
if ((ecat_masters_reserved = |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
99 |
(int *) kmalloc(sizeof(int) * ecat_master_count, |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
100 |
GFP_KERNEL)) == NULL) { |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
101 |
printk(KERN_ERR "EtherCAT: Could not allocate" |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
102 |
" memory for reservation flags!\n"); |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
103 |
kfree(ecat_masters); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
104 |
return -1; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
105 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
106 |
|
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
107 |
for (i = 0; i < ecat_master_count; i++) |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
108 |
{ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
109 |
EtherCAT_master_init(&ecat_masters[i]); |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
110 |
ecat_masters_reserved[i] = 0; |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
111 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
112 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
113 |
printk(KERN_ERR "EtherCAT: Master driver initialized.\n"); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
114 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
115 |
return 0; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
116 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
117 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
118 |
/*****************************************************************************/ |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
119 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
120 |
/** |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
121 |
Cleanup-Funktion des EtherCAT-Master-Treibermoduls |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
122 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
123 |
Entfernt alle Master-Instanzen. |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
124 |
*/ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
125 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
126 |
void __exit ecat_cleanup_module(void) |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
127 |
{ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
128 |
unsigned int i; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
129 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
130 |
printk(KERN_ERR "EtherCAT: Cleaning up master driver...\n"); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
131 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
132 |
if (ecat_masters) |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
133 |
{ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
134 |
for (i = 0; i < ecat_master_count; i++) |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
135 |
{ |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
136 |
if (ecat_masters_reserved[i]) { |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
137 |
printk(KERN_WARNING "EtherCAT: Warning -" |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
138 |
" Master %i is still in use!\n", i); |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
139 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
140 |
|
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
141 |
EtherCAT_master_clear(&ecat_masters[i]); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
142 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
143 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
144 |
kfree(ecat_masters); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
145 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
146 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
147 |
printk(KERN_ERR "EtherCAT: Master driver cleaned up.\n"); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
148 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
149 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
150 |
/*****************************************************************************/ |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
151 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
152 |
/** |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
153 |
Setzt das EtherCAT-Geraet, auf dem der Master arbeitet. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
154 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
155 |
Registriert das Geraet beim Master, der es daraufhin oeffnet. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
156 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
157 |
@param master Der EtherCAT-Master |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
158 |
@param device Das EtherCAT-Geraet |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
159 |
@return 0, wenn alles o.k., |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
160 |
< 0, wenn bereits ein Geraet registriert |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
161 |
oder das Geraet nicht geoeffnet werden konnte. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
162 |
*/ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
163 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
164 |
int EtherCAT_register_device(int index, EtherCAT_device_t *device) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
165 |
{ |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
166 |
if (index < 0 || index >= ecat_master_count) { |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
167 |
printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
168 |
return -1; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
169 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
170 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
171 |
return EtherCAT_master_open(&ecat_masters[index], device); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
172 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
173 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
174 |
/*****************************************************************************/ |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
175 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
176 |
/** |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
177 |
Loescht das EtherCAT-Geraet, auf dem der Master arbeitet. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
178 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
179 |
@param master Der EtherCAT-Master |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
180 |
@param device Das EtherCAT-Geraet |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
181 |
*/ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
182 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
183 |
void EtherCAT_unregister_device(int index, EtherCAT_device_t *device) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
184 |
{ |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
185 |
if (index < 0 || index >= ecat_master_count) { |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
186 |
printk(KERN_WARNING "EtherCAT: Master %i does not exist!\n", index); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
187 |
return; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
188 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
189 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
190 |
EtherCAT_master_close(&ecat_masters[index], device); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
191 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
192 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
193 |
/*****************************************************************************/ |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
194 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
195 |
/** |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
196 |
Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
197 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
198 |
Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck. |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
199 |
|
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
200 |
@param index Index des gewuenschten Masters |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
201 |
@returns Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig. |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
202 |
*/ |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
203 |
|
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
204 |
EtherCAT_master_t *EtherCAT_request(int index) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
205 |
{ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
206 |
if (index < 0 || index >= ecat_master_count) { |
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
207 |
printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index); |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
208 |
return NULL; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
209 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
210 |
|
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
211 |
if (ecat_masters_reserved[index]) { |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
212 |
printk(KERN_ERR "EtherCAT: Master %i already in use!\n", index); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
213 |
return NULL; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
214 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
215 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
216 |
if (!ecat_masters[index].dev) { |
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
217 |
printk(KERN_ERR "EtherCAT: Master %i has no device assigned yet!\n", |
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
218 |
index); |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
219 |
return NULL; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
220 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
221 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
222 |
if (!ecat_masters[index].dev->module) { |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
223 |
printk(KERN_ERR "EtherCAT: Master %i device module is not set!\n", index); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
224 |
return NULL; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
225 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
226 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
227 |
if (!try_module_get(ecat_masters[index].dev->module)) { |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
228 |
printk(KERN_ERR "EtherCAT: Could not reserve device module!\n"); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
229 |
return NULL; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
230 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
231 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
232 |
ecat_masters_reserved[index] = 1; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
233 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
234 |
printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
235 |
|
27
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
236 |
return &ecat_masters[index]; |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
237 |
} |
d75ef6b46e33
EtherCAT-Master in eigenes Modul ausgelagert.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
238 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
239 |
/*****************************************************************************/ |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
240 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
241 |
/** |
42
a22a202d0f42
Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents:
39
diff
changeset
|
242 |
Gibt einen zuvor angeforderten EtherCAT-Master wieder frei. |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
243 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
244 |
@param master Zeiger auf den freizugebenden EtherCAT-Master. |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
245 |
*/ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
246 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
247 |
void EtherCAT_release(EtherCAT_master_t *master) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
248 |
{ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
249 |
unsigned int i; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
250 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
251 |
for (i = 0; i < ecat_master_count; i++) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
252 |
{ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
253 |
if (&ecat_masters[i] == master) |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
254 |
{ |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
255 |
if (!ecat_masters[i].dev) { |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
256 |
printk(KERN_WARNING "EtherCAT: Could not release device" |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
257 |
"module because of no device!\n"); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
258 |
return; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
259 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
260 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
261 |
module_put(ecat_masters[i].dev->module); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
262 |
ecat_masters_reserved[i] = 0; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
263 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
264 |
printk(KERN_INFO "EtherCAT: Released master %i.\n", i); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
265 |
|
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
266 |
return; |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
267 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
268 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
269 |
|
42
a22a202d0f42
Domains, Warten beim Senden, 10kHz.
Florian Pose <fp@igh-essen.com>
parents:
39
diff
changeset
|
270 |
printk(KERN_WARNING "EtherCAT: Master %X was never requested!\n", |
33
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
271 |
(unsigned int) master); |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
272 |
} |
f4171b8aadf8
Master-Reservierung und Use-Count f?r NIC-Treiber.
Florian Pose <fp@igh-essen.com>
parents:
27
diff
changeset
|
273 |
|
39
6965c23a6826
likely/unlikely, Fehlermeldungen in zyklischem Code begrenzt und Kommentare ge??ndert.
Florian Pose <fp@igh-essen.com>
parents:
34
diff
changeset
|
274 |
/*****************************************************************************/ |