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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <string.h>
#include <getopt.h>
#include <usb.h>
#ifdef NEED_USB_GET_BUSSES
static inline struct usb_bus *usb_get_busses(void)
{
return usb_busses;
}
#endif
#ifndef USB_DIR_OUT
#define USB_DIR_OUT 0x00
#endif
#ifndef USB_DIR_IN
#define USB_DIR_IN 0x80
#endif
#define HID_REQ_GET_REPORT 0x01
#define HID_REQ_GET_IDLE 0x02
#define HID_REQ_GET_PROTOCOL 0x03
#define HID_REQ_SET_REPORT 0x09
#define HID_REQ_SET_IDLE 0x0a
#define HID_REQ_SET_PROTOCOL 0x0b
struct device_info;
struct device_id {
uint16_t vendor;
uint16_t product;
int (*func)(struct device_info *dev, int argc, char *argv[]);
};
struct device_info {
struct usb_device *dev;
struct device_id *id;
};
#define GET_STATE 0x01
#define GET_REMOTE_BDADDR 0x02
#define DISCOVER 0x03
#define SWITCH_TO_DFU 0x04
#define READ_CODEC 0x05
static int dongle_csr(struct device_info *devinfo, int argc, char *argv[])
{
char buf[8];
struct usb_dev_handle *udev;
int err, intf = 2;
memset(buf, 0, sizeof(buf));
if (!strncasecmp(argv[0], "discover", 4))
buf[0] = DISCOVER;
else if (!strncasecmp(argv[0], "switch", 3))
buf[0] = SWITCH_TO_DFU;
else if (!strncasecmp(argv[0], "dfu", 3))
buf[0] = SWITCH_TO_DFU;
else
return -EINVAL;
udev = usb_open(devinfo->dev);
if (!udev)
return -errno;
if (usb_claim_interface(udev, intf) < 0) {
err = -errno;
usb_close(udev);
return err;
}
err = usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
HID_REQ_SET_REPORT, 0x03 << 8, intf, buf, sizeof(buf), 10000);
if (err == 0) {
err = -1;
errno = EALREADY;
} else {
if (errno == ETIMEDOUT)
err = 0;
}
usb_release_interface(udev, intf);
usb_close(udev);
return err;
}
static struct device_id device_list[] = {
{ 0x0a12, 0x1004, dongle_csr },
{ -1 }
};
static struct device_id *match_device(uint16_t vendor, uint16_t product)
{
int i;
for (i = 0; device_list[i].func; i++) {
if (vendor == device_list[i].vendor &&
product == device_list[i].product)
return &device_list[i];
}
return NULL;
}
static int find_devices(struct device_info *devinfo, size_t size)
{
struct usb_bus *bus;
struct usb_device *dev;
struct device_id *id;
int count = 0;
usb_find_busses();
usb_find_devices();
for (bus = usb_get_busses(); bus; bus = bus->next)
for (dev = bus->devices; dev; dev = dev->next) {
id = match_device(dev->descriptor.idVendor,
dev->descriptor.idProduct);
if (!id)
continue;
if (count < size) {
devinfo[count].dev = dev;
devinfo[count].id = id;
count++;
}
}
return count;
}
static void usage(void)
{
printf("avctrl - Bluetooth Audio/Video control utility\n\n");
printf("Usage:\n"
"\tavctrl [options] <command>\n"
"\n");
printf("Options:\n"
"\t-h, --help Display help\n"
"\t-q, --quiet Don't display any messages\n"
"\n");
printf("Commands:\n"
"\tdiscover Simulate pressing the discover button\n"
"\tswitch Switch the dongle to DFU mode\n"
"\n");
}
static struct option main_options[] = {
{ "help", 0, 0, 'h' },
{ "quiet", 0, 0, 'q' },
{ 0, 0, 0, 0 }
};
int main(int argc, char *argv[])
{
struct device_info dev[16];
int i, opt, num, quiet = 0;
while ((opt = getopt_long(argc, argv, "+qh", main_options, NULL)) != -1) {
switch (opt) {
case 'q':
quiet = 1;
break;
case 'h':
usage();
exit(0);
default:
exit(0);
}
}
argc -= optind;
argv += optind;
optind = 0;
if (argc < 1) {
usage();
exit(1);
}
usb_init();
num = find_devices(dev, sizeof(dev) / sizeof(dev[0]));
if (num <= 0) {
if (!quiet)
fprintf(stderr, "No Audio/Video devices found\n");
exit(1);
}
for (i = 0; i < num; i++) {
struct device_id *id = dev[i].id;
int err;
if (!quiet)
printf("Selecting device %04x:%04x ",
id->vendor, id->product);
fflush(stdout);
err = id->func(&dev[i], argc, argv);
if (err < 0) {
if (!quiet)
printf("failed (%s)\n", strerror(-err));
} else {
if (!quiet)
printf("was successful\n");
}
}
return 0;
}
|
