Device Descriptor
| Offset | Field | Size | Value | Description |
|---|---|---|---|---|
0 |
bLength |
1 |
0x12 |
Size of this descriptor, in bytes |
1 |
bDescriptorType |
1 |
0x01 |
DEVICE descriptor |
2 |
bcdUSB |
2 |
0x0110 |
1.1 - current revision of USB spec |
4 |
bDeviceClass |
1 |
0x02 |
Communication Device Class |
5 |
bDeviceSubClass |
1 |
0x00 |
Unused |
6 |
bDeviceProtocol |
1 |
0x00 |
Unused |
7 |
bMaxPacketSize0 |
1 |
0x08 |
Max packet size on control pipe |
8 |
idVendor |
2 |
0xXXXX |
Vendor ID |
10 |
idProduct |
2 |
0xXXXX |
Product ID |
12 |
bcdDevice |
2 |
0xXXXX |
Device Release Code |
14 |
iManufacturer |
1 |
0x01 |
Index of manufacturer string |
15 |
iProduct |
1 |
0x02 |
Index of product string |
16 |
iSerialNumber |
1 |
0x03 |
Index of device serial number string |
17 |
bNumConfigurations |
1 |
0x01 |
One configuration |