1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright © 2019 Pino Toscano <toscano.pino@tiscali.it>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libusbi.h"
static int
null_get_device_list(struct libusb_context * ctx,
struct discovered_devs **discdevs)
{
return LIBUSB_SUCCESS;
}
static int
null_open(struct libusb_device_handle *handle)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static void
null_close(struct libusb_device_handle *handle)
{
}
static int
null_get_active_config_descriptor(struct libusb_device *dev,
void *buf, size_t len)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
void *buf, size_t len)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_set_configuration(struct libusb_device_handle *handle, int config)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_claim_interface(struct libusb_device_handle *handle, uint8_t iface)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_release_interface(struct libusb_device_handle *handle, uint8_t iface)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_set_interface_altsetting(struct libusb_device_handle *handle, uint8_t iface,
uint8_t altsetting)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_submit_transfer(struct usbi_transfer *itransfer)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int
null_cancel_transfer(struct usbi_transfer *itransfer)
{
return LIBUSB_ERROR_NOT_SUPPORTED;
}
const struct usbi_os_backend usbi_backend = {
.name = "Null backend",
.caps = 0,
.get_device_list = null_get_device_list,
.open = null_open,
.close = null_close,
.get_active_config_descriptor = null_get_active_config_descriptor,
.get_config_descriptor = null_get_config_descriptor,
.set_configuration = null_set_configuration,
.claim_interface = null_claim_interface,
.release_interface = null_release_interface,
.set_interface_altsetting = null_set_interface_altsetting,
.clear_halt = null_clear_halt,
.submit_transfer = null_submit_transfer,
.cancel_transfer = null_cancel_transfer,
};
|
