DEVICE addr 1 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=1.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=64 idVendor=0x8086 idProduct=0x0000 bcdDevice=100 iManufacturer=1(Intel) iProduct=2(UHCI root hub) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=25 bNumInterfaces=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=c0 bMaxPower=0 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=9 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=interrupt wMaxPacketSize=8 bInterval=255 current configuration 1 HUB descriptor: bDescLength=8 bDescriptorType=41 bNbrPorts=2 wHubCharacteristics=0a bPwrOn2PwrGood=50 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0100 change=0000 Port 2 status=0303 change=0000 ---------- DEVICE addr 2 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=1.10 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=8 idVendor=0x062a idProduct=0x0000 bcdDevice=0 iManufacturer=0() iProduct=0() iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=34 bNumInterfaces=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=a0 bMaxPower=100 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=1 bInterfaceProtocol=2 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.10 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=52 Report descriptor Usage Page(1) Usage(2) Collection (Application) Usage(1) Collection (Physical) Usage Page(9) Usage Min(1) Usage Max(3) Logical Min(0) Logical Max(1) Report count(3) Report size(1) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(1) Report size(5) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(1) Usage(48) Usage(49) Usage(56) Logical Min(129) Logical Max(127) Report size(8) Report count(3) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) End Collection End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=interrupt wMaxPacketSize=4 bInterval=10 current configuration 1 ----------