Connection Status
|
Device connected
|
Current Configuration
|
1
|
Speed
|
Full (12 Mbit/s)
|
Device Address
|
1
|
Number Of Open Pipes
|
3
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
12h
|
|
1
|
bDescriptorType
|
1
|
01h
|
Device
|
2
|
bcdUSB
|
2
|
0110h
|
USB Spec 1.1
|
4
|
bDeviceClass
|
1
|
FFh
|
Vendor-Specific
|
5
|
bDeviceSubClass
|
1
|
00h
|
|
6
|
bDeviceProtocol
|
1
|
00h
|
|
7
|
bMaxPacketSize0
|
1
|
08h
|
8 bytes
|
8
|
idVendor
|
2
|
1A86h
|
|
10
|
idProduct
|
2
|
7523h
|
|
12
|
bcdDevice
|
2
|
0252h
|
2.52
|
14
|
iManufacturer
|
1
|
00h
|
|
15
|
iProduct
|
1
|
02h
|
"USB2.0-Serial"
|
16
|
iSerialNumber
|
1
|
00h
|
|
17
|
bNumConfigurations
|
1
|
01h
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
09h
|
|
1
|
bDescriptorType
|
1
|
02h
|
Configuration
|
2
|
wTotalLength
|
2
|
0027h
|
|
4
|
bNumInterfaces
|
1
|
01h
|
|
5
|
bConfigurationValue
|
1
|
01h
|
|
6
|
iConfiguration
|
1
|
00h
|
|
7
|
bmAttributes
|
1
|
80h
|
Bus Powered
|
4..0: Reserved
|
...00000
|
|||
5: Remote Wakeup
|
..0.....
|
No
|
||
6: Self Powered
|
.0......
|
No, Bus Powered
|
||
7: Reserved (set to
one)
(bus-powered for 1.0) |
1.......
|
|||
8
|
bMaxPower
|
1
|
30h
|
96 mA
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
09h
|
|
1
|
bDescriptorType
|
1
|
04h
|
Interface
|
2
|
bInterfaceNumber
|
1
|
00h
|
|
3
|
bAlternateSetting
|
1
|
00h
|
|
4
|
bNumEndpoints
|
1
|
03h
|
|
5
|
bInterfaceClass
|
1
|
FFh
|
Vendor-Specific
|
6
|
bInterfaceSubClass
|
1
|
01h
|
|
7
|
bInterfaceProtocol
|
1
|
02h
|
|
8
|
iInterface
|
1
|
00h
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
07h
|
|
1
|
bDescriptorType
|
1
|
05h
|
Endpoint
|
2
|
bEndpointAddress
|
1
|
82h
|
2 In
|
3
|
bmAttributes
|
1
|
02h
|
Bulk
|
1..0: Transfer Type
|
......10
|
Bulk
|
||
7..2: Reserved
|
000000..
|
|||
4
|
wMaxPacketSize
|
2
|
0020h
|
32 bytes
|
6
|
bInterval
|
1
|
00h
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
07h
|
|
1
|
bDescriptorType
|
1
|
05h
|
Endpoint
|
2
|
bEndpointAddress
|
1
|
02h
|
2 Out
|
3
|
bmAttributes
|
1
|
02h
|
Bulk
|
1..0: Transfer Type
|
......10
|
Bulk
|
||
7..2: Reserved
|
000000..
|
|||
4
|
wMaxPacketSize
|
2
|
0020h
|
32 bytes
|
6
|
bInterval
|
1
|
00h
|
Offset
|
Field
|
Size
|
Value
|
Description
|
0
|
bLength
|
1
|
07h
|
|
1
|
bDescriptorType
|
1
|
05h
|
Endpoint
|
2
|
bEndpointAddress
|
1
|
81h
|
1 In
|
3
|
bmAttributes
|
1
|
03h
|
Interrupt
|
1..0: Transfer Type
|
......11
|
Interrupt
|
||
7..2: Reserved
|
000000..
|
|||
4
|
wMaxPacketSize
|
2
|
0008h
|
8 bytes
|
6
|
bInterval
|
1
|
01h
|
1 ms
|
which endpoint should be used to read from? 0x82 or 0x81
ReplyDelete