[FreeBSD 8/9] USB webcamd and video4bsd: Call for testing
Andriy Gapon
avg at icyb.net.ua
Tue Jan 26 18:36:23 UTC 2010
on 26/01/2010 19:37 Hans Petter Selasky said the following:
> The string is just too big, so it gets truncated. Send me a dump of the config
> descriptor for the webcamera. If it says 0x0e for interface class, it's most
> likely supported.
Here it is:
ugen3.3: <Monitor Webcam (SP2208WFP) Mic-OmniVision Technologies,
Inc.538-2640-07.08.09.6> at u, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE
Configuration index 0
bLength = 0x0009
bDescriptorType = 0x0002
wTotalLength = 0x041b
bNumInterfaces = 0x0004
bConfigurationValue = 0x0001
iConfiguration = 0x0000 <no string>
bmAttributes = 0x0080
bMaxPower = 0x00fa
Additional Descriptor
bLength = 0x08
bDescriptorType = 0x0b
bDescriptorSubType = 0x00
RAW dump:
0x00 | 0x08, 0x0b, 0x00, 0x02, 0x0e, 0x03, 0x00, 0x02
Interface 0
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0000
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0001
bInterfaceProtocol = 0x0000
iInterface = 0x0002 <Monitor Webcam (SP2208WFP)>
Additional Descriptor
bLength = 0x0d
bDescriptorType = 0x24
bDescriptorSubType = 0x01
RAW dump:
0x00 | 0x0d, 0x24, 0x01, 0x00, 0x01, 0x6d, 0x00, 0x80,
0x08 | 0xc3, 0xc9, 0x01, 0x01, 0x01
Additional Descriptor
bLength = 0x11
bDescriptorType = 0x24
bDescriptorSubType = 0x02
RAW dump:
0x00 | 0x11, 0x24, 0x02, 0x01, 0x01, 0x02, 0x00, 0x00,
0x08 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
0x10 | 0x0a
Additional Descriptor
bLength = 0x09
bDescriptorType = 0x24
bDescriptorSubType = 0x03
RAW dump:
0x00 | 0x09, 0x24, 0x03, 0x03, 0x01, 0x01, 0x00, 0x05,
0x08 | 0x00
Additional Descriptor
bLength = 0x07
bDescriptorType = 0x24
bDescriptorSubType = 0x04
RAW dump:
0x00 | 0x07, 0x24, 0x04, 0x04, 0x01, 0x01, 0x00
Additional Descriptor
bLength = 0x0b
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x0b, 0x24, 0x05, 0x05, 0x04, 0x00, 0x00, 0x02,
0x08 | 0x7f, 0x55, 0x00
Additional Descriptor
bLength = 0x1a
bDescriptorType = 0x24
bDescriptorSubType = 0x06
RAW dump:
0x00 | 0x1a, 0x24, 0x06, 0x07, 0x8a, 0x0f, 0x88, 0xdd,
0x08 | 0xba, 0x1c, 0x54, 0x49, 0x8a, 0x25, 0xf7, 0x87,
0x10 | 0x59, 0x67, 0xf0, 0xf7, 0x01, 0x01, 0x01, 0x01,
0x18 | 0x01, 0x00
Additional Descriptor
bLength = 0x1a
bDescriptorType = 0x24
bDescriptorSubType = 0x06
RAW dump:
0x00 | 0x1a, 0x24, 0x06, 0x06, 0x08, 0xf7, 0x4a, 0x8e,
0x08 | 0xab, 0x51, 0x25, 0x46, 0xa2, 0xa2, 0x31, 0xaa,
0x10 | 0xb3, 0x8e, 0x59, 0xda, 0x01, 0x01, 0x05, 0x01,
0x18 | 0x01, 0x00
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0083 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0008
bInterval = 0x0010
bRefresh = 0x0000
bSynchAddress = 0x0000
Additional Descriptor
bLength = 0x05
bDescriptorType = 0x25
bDescriptorSubType = 0x03
RAW dump:
0x00 | 0x05, 0x25, 0x03, 0x08, 0x00
Interface 1
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0000
bNumEndpoints = 0x0000
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Additional Descriptor
bLength = 0x0f
bDescriptorType = 0x24
bDescriptorSubType = 0x01
RAW dump:
0x00 | 0x0f, 0x24, 0x01, 0x02, 0x97, 0x02, 0x81, 0x00,
0x08 | 0x03, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00
Additional Descriptor
bLength = 0x0b
bDescriptorType = 0x24
bDescriptorSubType = 0x06
RAW dump:
0x00 | 0x0b, 0x24, 0x06, 0x01, 0x09, 0x01, 0x01, 0x00,
0x08 | 0x00, 0x00, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x01, 0x00, 0x80, 0x02, 0xe0,
0x08 | 0x01, 0x00, 0x00, 0x77, 0x01, 0x00, 0x00, 0xca,
0x10 | 0x08, 0x00, 0x60, 0x09, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x02, 0x00, 0xa0, 0x00, 0x78,
0x08 | 0x00, 0x00, 0x70, 0x17, 0x00, 0x00, 0xa0, 0x8c,
0x10 | 0x00, 0x00, 0x96, 0x00, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x03, 0x00, 0xb0, 0x00, 0x90,
0x08 | 0x00, 0x00, 0xf0, 0x1e, 0x00, 0x00, 0xa0, 0xb9,
0x10 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x04, 0x00, 0x40, 0x01, 0xf0,
0x08 | 0x00, 0x00, 0xc0, 0x5d, 0x00, 0x00, 0x80, 0x32,
0x10 | 0x02, 0x00, 0x58, 0x02, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x05, 0x00, 0x60, 0x01, 0x20,
0x08 | 0x01, 0x00, 0xc0, 0x7b, 0x00, 0x00, 0x80, 0xe6,
0x10 | 0x02, 0x00, 0x18, 0x03, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x2a, 0x24, 0x07, 0x06, 0x00, 0x20, 0x03, 0x58,
0x08 | 0x02, 0x00, 0xf0, 0x49, 0x02, 0x00, 0xa0, 0xbb,
0x10 | 0x0d, 0x00, 0xa6, 0x0e, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x22
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x22, 0x24, 0x07, 0x07, 0x00, 0x00, 0x04, 0x00,
0x08 | 0x03, 0x00, 0x00, 0xc0, 0x03, 0x00, 0x00, 0x40,
0x10 | 0x0b, 0x00, 0x00, 0x18, 0x00, 0x40, 0x42, 0x0f,
0x18 | 0x00, 0x02, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x20 | 0x1e, 0x00
Additional Descriptor
bLength = 0x22
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x22, 0x24, 0x07, 0x08, 0x00, 0x00, 0x05, 0x00,
0x08 | 0x04, 0x00, 0x00, 0x40, 0x06, 0x00, 0x00, 0xc0,
0x10 | 0x12, 0x00, 0x00, 0x28, 0x00, 0x40, 0x42, 0x0f,
0x18 | 0x00, 0x02, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x20 | 0x1e, 0x00
Additional Descriptor
bLength = 0x22
bDescriptorType = 0x24
bDescriptorSubType = 0x07
RAW dump:
0x00 | 0x22, 0x24, 0x07, 0x09, 0x00, 0x40, 0x06, 0xb0,
0x08 | 0x04, 0x00, 0x00, 0x27, 0x09, 0x00, 0x40, 0x77,
0x10 | 0x1b, 0x00, 0x98, 0x3a, 0x00, 0x40, 0x42, 0x0f,
0x18 | 0x00, 0x02, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x20 | 0x1e, 0x00
Additional Descriptor
bLength = 0x06
bDescriptorType = 0x24
bDescriptorSubType = 0x0d
RAW dump:
0x00 | 0x06, 0x24, 0x0d, 0x01, 0x01, 0x04
Additional Descriptor
bLength = 0x1b
bDescriptorType = 0x24
bDescriptorSubType = 0x04
RAW dump:
0x00 | 0x1b, 0x24, 0x04, 0x02, 0x06, 0x59, 0x55, 0x59,
0x08 | 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00,
0x10 | 0xaa, 0x00, 0x38, 0x9b, 0x71, 0x10, 0x01, 0x00,
0x18 | 0x00, 0x00, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x2a, 0x24, 0x05, 0x01, 0x00, 0x80, 0x02, 0xe0,
0x08 | 0x01, 0x00, 0x00, 0x77, 0x01, 0x00, 0x00, 0xca,
0x10 | 0x08, 0x00, 0x60, 0x09, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x2a, 0x24, 0x05, 0x02, 0x00, 0xa0, 0x00, 0x78,
0x08 | 0x00, 0x00, 0x70, 0x17, 0x00, 0x00, 0xa0, 0x8c,
0x10 | 0x00, 0x00, 0x96, 0x00, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x2a, 0x24, 0x05, 0x03, 0x00, 0xb0, 0x00, 0x90,
0x08 | 0x00, 0x00, 0xf0, 0x1e, 0x00, 0x00, 0xa0, 0xb9,
0x10 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x2a, 0x24, 0x05, 0x04, 0x00, 0x40, 0x01, 0xf0,
0x08 | 0x00, 0x00, 0xc0, 0x5d, 0x00, 0x00, 0x80, 0x32,
0x10 | 0x02, 0x00, 0x58, 0x02, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x2a
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x2a, 0x24, 0x05, 0x05, 0x00, 0x60, 0x01, 0x20,
0x08 | 0x01, 0x00, 0xc0, 0x7b, 0x00, 0x00, 0x80, 0xe6,
0x10 | 0x02, 0x00, 0x18, 0x03, 0x00, 0x15, 0x16, 0x05,
0x18 | 0x00, 0x04, 0x15, 0x16, 0x05, 0x00, 0x2a, 0x2c,
0x20 | 0x0a, 0x00, 0x40, 0x42, 0x0f, 0x00, 0x80, 0x84,
0x28 | 0x1e, 0x00
Additional Descriptor
bLength = 0x22
bDescriptorType = 0x24
bDescriptorSubType = 0x05
RAW dump:
0x00 | 0x22, 0x24, 0x05, 0x06, 0x00, 0x40, 0x06, 0xb0,
0x08 | 0x04, 0x00, 0xe0, 0x93, 0x04, 0x00, 0xc0, 0x27,
0x10 | 0x09, 0x00, 0xf2, 0x28, 0x00, 0x80, 0x84, 0x1e,
0x18 | 0x00, 0x02, 0x80, 0x84, 0x1e, 0x00, 0x00, 0x09,
0x20 | 0x3d, 0x00
Additional Descriptor
bLength = 0x06
bDescriptorType = 0x24
bDescriptorSubType = 0x0d
RAW dump:
0x00 | 0x06, 0x24, 0x0d, 0x01, 0x01, 0x04
Interface 1 Alt 1
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0001
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x00c0
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 2
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0002
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x0200
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 3
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0003
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x0320
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 4
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0004
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x0a80
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 5
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0005
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x0be0
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 6
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0006
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x13fc
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Additional Descriptor
bLength = 0x08
bDescriptorType = 0x0b
bDescriptorSubType = 0x02
RAW dump:
0x00 | 0x08, 0x0b, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00
Interface 2
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0002
bAlternateSetting = 0x0000
bNumEndpoints = 0x0000
bInterfaceClass = 0x0001
bInterfaceSubClass = 0x0001
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Additional Descriptor
bLength = 0x09
bDescriptorType = 0x24
bDescriptorSubType = 0x01
RAW dump:
0x00 | 0x09, 0x24, 0x01, 0x00, 0x01, 0x2b, 0x00, 0x01,
0x08 | 0x03
Additional Descriptor
bLength = 0x0c
bDescriptorType = 0x24
bDescriptorSubType = 0x02
RAW dump:
0x00 | 0x0c, 0x24, 0x02, 0x01, 0x05, 0x02, 0x00, 0x02,
0x08 | 0x00, 0x00, 0x00, 0x00
Additional Descriptor
bLength = 0x09
bDescriptorType = 0x24
bDescriptorSubType = 0x03
RAW dump:
0x00 | 0x09, 0x24, 0x03, 0x02, 0x01, 0x01, 0x00, 0x03,
0x08 | 0x00
Additional Descriptor
bLength = 0x0d
bDescriptorType = 0x24
bDescriptorSubType = 0x06
RAW dump:
0x00 | 0x0d, 0x24, 0x06, 0x03, 0x01, 0x02, 0x43, 0x02,
0x08 | 0x00, 0x00, 0x00, 0x00, 0x00
Interface 3
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0003
bAlternateSetting = 0x0000
bNumEndpoints = 0x0000
bInterfaceClass = 0x0001
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Interface 3 Alt 1
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0003
bAlternateSetting = 0x0001
bNumEndpoints = 0x0001
bInterfaceClass = 0x0001
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Additional Descriptor
bLength = 0x07
bDescriptorType = 0x24
bDescriptorSubType = 0x01
RAW dump:
0x00 | 0x07, 0x24, 0x01, 0x02, 0x01, 0x01, 0x00
Additional Descriptor
bLength = 0x23
bDescriptorType = 0x24
bDescriptorSubType = 0x02
RAW dump:
0x00 | 0x23, 0x24, 0x02, 0x01, 0x02, 0x02, 0x10, 0x09,
0x08 | 0x80, 0xbb, 0x00, 0x44, 0xac, 0x00, 0x00, 0x7d,
0x10 | 0x00, 0xc0, 0x5d, 0x00, 0x22, 0x56, 0x00, 0x80,
0x18 | 0x3e, 0x00, 0xe0, 0x2e, 0x00, 0x11, 0x2b, 0x00,
0x20 | 0x40, 0x1f, 0x00
Endpoint 0
bLength = 0x0009
bDescriptorType = 0x0005
bEndpointAddress = 0x0084 <IN>
bmAttributes = 0x000d <SYNC-ISOCHRONOUS>
wMaxPacketSize = 0x00c0
bInterval = 0x0004
bRefresh = 0x0000
bSynchAddress = 0x0000
Additional Descriptor
bLength = 0x07
bDescriptorType = 0x25
bDescriptorSubType = 0x01
RAW dump:
0x00 | 0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00
--
Andriy Gapon
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