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
|
#include "project.h"
#include "../common/vendor_req.h"
static void poke(libusb_device_handle *devh)
{
uint32_t timeout=4000;
//char buf[]="The quick brown fox jumps over the lazy dog\n";
char buf[]="fishsoup\n";
int len;
len= libusb_control_transfer( devh,
/* bmRequestType */ LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
/* bRequest */ VENDOR_REQ_SET_KEY,
/* wValue */ 0x0,
/* wIndex */ 0x0,
/* Data */ buf,
/* wLength */ sizeof(buf)-1, timeout );
//if (len>=0)
//hexdump(">",buf,len);
}
static void poke_device(libusb_device *dev, struct libusb_device_descriptor *desc)
{
int ret;
libusb_device_handle *devh;
ret=libusb_open(dev, &devh);
if (ret) {
warn("unable to open device: %i",ret);
return;
}
printf("poke\n");
poke(devh);
libusb_close(devh);
}
void probe_devices(libusb_context *ctx)
{
libusb_device **list;
ssize_t num_devs;
ssize_t i;
num_devs = libusb_get_device_list(ctx, &list);
for (i = 0; i < num_devs; ++i) {
struct libusb_device_descriptor desc;
struct libusb_device *dev = list[i];
if (libusb_get_device_descriptor(dev, &desc))
continue;
if (desc.idVendor!=0x1d6b) continue;
if (desc.idProduct!=0x1932) continue;
poke_device(dev,&desc);
}
libusb_free_device_list(list, 0);
}
int main(int argc,char *argv)
{
int ret;
libusb_context *ctx;
ret = libusb_init(&ctx);
if (ret)
errx(EX_IOERR, "unable to initialize libusb: %i", ret);
//libusb_set_debug(ctx, 255);
probe_devices(ctx);
return 0;
}
|