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
|
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2010 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
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;
};
static int switch_babel(struct device_info *devinfo, int argc, char *argv[])
{
char buf[3];
struct usb_dev_handle *udev;
int err;
memset(buf, 0, sizeof(buf));
buf[0] = 0x00;
buf[1] = 0x06;
buf[2] = 0x00;
udev = usb_open(devinfo->dev);
if (!udev)
return -errno;
if (usb_claim_interface(udev, 0) < 0) {
err = -errno;
usb_close(udev);
return err;
}
err = usb_bulk_write(udev, 0x02, buf, sizeof(buf), 10000);
if (err == 0) {
err = -1;
errno = EALREADY;
} else {
if (errno == ETIMEDOUT)
err = 0;
}
usb_release_interface(udev, 0);
usb_close(udev);
return err;
}
static struct device_id device_list[] = {
{ 0x0a12, 0x0042, switch_babel },
{ -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;
unsigned 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("dfubabel - Babel DFU mode switching utility\n\n");
printf("Usage:\n"
"\tdfubabel [options]\n"
"\n");
printf("Options:\n"
"\t-h, --help Display help\n"
"\t-q, --quiet Don't display any messages\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;
usb_init();
num = find_devices(dev, sizeof(dev) / sizeof(dev[0]));
if (num <= 0) {
if (!quiet)
fprintf(stderr, "No Babel devices found\n");
exit(1);
}
for (i = 0; i < num; i++) {
struct device_id *id = dev[i].id;
int err;
if (!quiet)
printf("Switching 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;
}
|
