[Libdlo] Fwd: Just got a Cables Unlimited usb-av2010 to test

Wed Apr 6 08:15:59 PDT 2011

OK I did that.

On Wed, Apr 6, 2011 at 9:57 AM, akephart at akephart.org <akephart at akephart.org
> wrote:

> First, get the usb pid/vid values (XXXX:YYYY) for the target device with
> 'lsusb'.  Then, list the full descriptor set with 'lsusb -v -d
> XXXX:YYYY'.  In the listing, you'll see one or more interface
> descriptors, and each of those will have a value for bInterfaceClass.
> That value will tell you what usb class the particular interface
> supports, if any.  There is also a device class indication in the device
> descriptor, but it will usually be set to a value that isn't directly
> useful (e.g. defined at interface level or miscellaneous device, that
> kind of thing).

> If it's a spec-compliant HWA, it'll have bInterfaceClass=E0h (wireless
> controller) and bInterfaceSubclass=02h (WUSB wire adapter).
>

Those two values come out like this:

bInterfaceClass 224 Wireless

bInterfaceSubClass 1 Radio Frequency

The full code of what came out is like this:

sudo lsusb

Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 002 Device 003: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0
multicard reader

Bus 002 Device 002: ID 04f2:b070 Chicony Electronics Co., Ltd

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 001 Device 006: ID 13cf:1200 Wisair Ltd.

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

 sudo lsusb -v -d 13cf:1200

 Bus 001 Device 006: ID 13cf:1200 Wisair Ltd.

Device Descriptor:

bLength 18

bDescriptorType 1

bcdUSB 2.00

bDeviceClass 239 Miscellaneous Device

bDeviceSubClass 2 ?

bDeviceProtocol 2 Wire Adapter Multifunction Peripheral

bMaxPacketSize0 64

idVendor 0x13cf Wisair Ltd.

idProduct 0x1200

bcdDevice 1.00

iManufacturer 2

iProduct 1 Wireless USB Dongle

iSerial 3 123456789

bNumConfigurations 1

Configuration Descriptor:

bLength 9

bDescriptorType 2

wTotalLength 109

bNumInterfaces 2

bConfigurationValue 1

iConfiguration 0

bmAttributes 0x80

(Bus Powered)

MaxPower 500mA

Security Descriptor:

bLength 5

bDescriptorType 12

wTotalLength 10

bNumEncryptionTypes 1

Encryption Type Descriptor:

bLength 5

bDescriptorType 14

bEncryptionType 2 UNSECURE

bEncryptionValue 1

bAuthKeyIndex 0

** UNRECOGNIZED: 08 30 1a 00 8c 00 00 01

** UNRECOGNIZED: 06 31 5f 00 00 00

** UNRECOGNIZED: 06 32 cc 00 00 00

** UNRECOGNIZED: 06 34 6e 00 00 02

Interface Descriptor:

bLength 9

bDescriptorType 4

bInterfaceNumber 0

bAlternateSetting 0

bNumEndpoints 3

bInterfaceClass 224 Wireless

bInterfaceSubClass 2 Wireless USB Wire Adapter

bInterfaceProtocol 1 Host Wire Adapter Control/Data Streaming

iInterface 0

** UNRECOGNIZED: 0e 21 00 01 05 00 19 00 10 02 0d 00 0a 00

Endpoint Descriptor:

bLength 7

bDescriptorType 5

bEndpointAddress 0x81 EP 1 IN

bmAttributes 3

Transfer Type Interrupt

Synch Type None

Usage Type Data

wMaxPacketSize 0x0040 1x 64 bytes

bInterval 1

Endpoint Descriptor:

bLength 7

bDescriptorType 5

bEndpointAddress 0x01 EP 1 OUT

bmAttributes 2

Transfer Type Bulk

Synch Type None

Usage Type Data

wMaxPacketSize 0x0200 1x 512 bytes

bInterval 0

Endpoint Descriptor:

bLength 7

bDescriptorType 5

bEndpointAddress 0x82 EP 2 IN

bmAttributes 2

Transfer Type Bulk

Synch Type None

Usage Type Data

wMaxPacketSize 0x0200 1x 512 bytes

bInterval 0

Interface Descriptor:

bLength 9

bDescriptorType 4

bInterfaceNumber 1

bAlternateSetting 0

bNumEndpoints 1

bInterfaceClass 224 Wireless

bInterfaceSubClass 1 Radio Frequency

bInterfaceProtocol 2 Ultra WideBand Radio Control

iInterface 0

Radio Control Interface Class Descriptor:

bLength 4

bDescriptorType 35

bcdRCIVersion 1.00

Endpoint Descriptor:

bLength 7

bDescriptorType 5

bEndpointAddress 0x83 EP 3 IN

bmAttributes 3

Transfer Type Interrupt

Synch Type None

Usage Type Data

wMaxPacketSize 0x0040 1x 64 bytes

bInterval 1

Device Qualifier (for other device speed):

bLength 10

bDescriptorType 6

bcdUSB 2.00

bDeviceClass 239 Miscellaneous Device

bDeviceSubClass 2 ?

bDeviceProtocol 2 Wire Adapter Multifunction Peripheral

bMaxPacketSize0 64

bNumConfigurations 1

Device Status: 0x0000

(Bus Powered)

It may also be defined as some kind of firmware download device (DFU or
> similar), and sit expectantly for an intermediate driver to download the
> firmware, which will then require the HWA driver.
>
> It may also be completely vendor-specific, in which case all bets are
> off.
>

I am not sure if this indicates vendor specific or firmware download.

Thanks again.

Chris

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