DEVICE addr 1 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=3.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=9 idVendor=0x8086 idProduct=0x0000 bcdDevice=100 iManufacturer=1(Intel) iProduct=2(xHCI 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=2 bInterval=255 current configuration 1 HUB descriptor: weird descriptorType, should be 41 bDescLength=17 bDescriptorType=42 bNbrPorts=8 wHubCharacteristics=00 bPwrOn2PwrGood=10 bHubContrCurrent=0 DeviceRemovable=0 DEVICE addr 1 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x8086 idProduct=0x0000 bcdDevice=100 iManufacturer=1(Intel) iProduct=2(EHCI 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=12 current configuration 1 HUB descriptor: bDescLength=10 bDescriptorType=41 bNbrPorts=3 wHubCharacteristics=02 bPwrOn2PwrGood=200 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0503 change=0000 Port 2 status=0500 change=0000 Port 3 status=0500 change=0000 ---------- DEVICE addr 2 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x8087 idProduct=0x0024 bcdDevice=0 iManufacturer=0() iProduct=0() iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=25 bNumInterfaces=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=e0 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=1 bInterval=12 current configuration 1 HUB descriptor: bDescLength=9 bDescriptorType=41 bNbrPorts=6 wHubCharacteristics=09 bPwrOn2PwrGood=50 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0103 change=0000 Port 2 status=0100 change=0000 Port 3 status=0100 change=0000 Port 4 status=0103 change=0000 Port 5 status=0100 change=0000 Port 6 status=0100 change=0000 ---------- DEVICE addr 3 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=8 idVendor=0x17ef idProduct=0x6047 bcdDevice=330 iManufacturer=1(Lenovo) iProduct=2(ThinkPad Compact USB Keyboard with TrackPoint) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=59 bNumInterfaces=2 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=1 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.00 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=81 Report descriptor Usage Page(1) Usage(6) Collection (Application) Usage Page(7) Usage Min(224) Usage Max(231) Logical Min(0) Logical Max(1) Report size(1) Report count(8) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(1) Report size(8) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(5) Report size(1) Usage Page(8) Usage Min(1) Usage Max(5) Output (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) Report count(1) Report size(3) Output (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) Report count(6) Report size(8) Logical Min(0) Logical Max(175) Usage Page(7) Usage Min(0) Usage Max(175) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(12) Usage(0) Logical Min(128) Logical Max(127) Report size(8) Report count(8) Feature (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=interrupt wMaxPacketSize=63 bInterval=10 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=1 bInterfaceProtocol=2 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.00 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=211 Report descriptor Usage Page(1) Usage(2) Collection (Application) Report ID(1) Usage Page(9) Usage Min(1) Usage Max(5) Logical Min(0) Logical Max(1) Report size(1) Report count(5) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report size(3) Report count(1) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(1) Usage(1) Collection (Physical) Usage(48) Usage(49) Logical Min(129) Logical Max(127) Report size(8) Report count(2) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage(56) Report count(1) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(12) Usage(568) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(12) Usage(1) Collection (Application) Report ID(16) Logical Min(0) Logical Max(572) Usage Min(0) Usage Max(572) Report size(16) Report count(1) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(65443) Usage(1) Collection (Application) Report ID(17) Usage Min(0) Usage Max(255) Logical Min(0) Logical Max(255) Report size(8) Report count(2) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(65440) Usage(1) Collection (Application) Report ID(21) Usage Min(241) Usage Max(252) Logical Min(0) Logical Max(1) Report size(1) Report count(13) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(3) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(65441) Usage(1) Collection (Application) Report ID(22) Usage Min(0) Usage Max(255) Logical Min(0) Logical Max(255) Report size(8) Report count(2) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(65280) Usage(1) Collection (Application) Report ID(19) Usage(1) Logical Min(0) Logical Max(255) Report size(8) Report count(8) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage(2) Report size(8) Report count(8) Output (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) Usage(3) Report size(8) Report count(8) Feature (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-in bmAttributes=interrupt wMaxPacketSize=63 bInterval=10 current configuration 1 ---------- DEVICE addr 4 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=8 idVendor=0x046d idProduct=0xc534 bcdDevice=2901 iManufacturer=1(Logitech) iProduct=2(USB Receiver) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=59 bNumInterfaces=2 bConfigurationValue=1 iConfiguration=4(RQR29.01_B0016) bmAttributes=a0 bMaxPower=98 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.11 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=59 Report descriptor Usage Page(1) Usage(6) Collection (Application) Usage Page(7) Usage Min(224) Usage Max(231) Logical Min(0) Logical Max(1) Report size(1) Report count(8) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Input (Constant, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(5) Usage Page(8) Usage Min(1) Usage Max(5) Output (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) Report count(1) Report size(3) Output (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) Report count(6) Report size(8) Logical Min(0) Logical Max(164) Usage Page(7) Usage Min(0) Usage Max(164) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=interrupt wMaxPacketSize=8 bInterval=8 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=1 bInterfaceProtocol=2 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.11 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=177 Report descriptor Usage Page(1) Usage(2) Collection (Application) Report ID(2) Usage(1) Collection (Physical) Usage Page(9) Usage Min(1) Usage Max(16) Logical Min(0) Logical Max(1) Report count(16) Report size(1) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(1) Logical Min(63489) Logical Max(2047) Report size(12) Report count(2) Usage(48) Usage(49) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) Logical Min(129) Logical Max(127) Report size(8) Report count(1) Usage(56) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(12) Usage(568) Report count(1) Input (Data, Variable, Relative, No wrap, Linear, Preferred state, No null position, Bit field) End Collection End Collection Usage Page(12) Usage(1) Collection (Application) Report ID(3) Report size(16) Report count(2) Logical Min(1) Logical Max(652) Usage Min(1) Usage Max(652) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(1) Usage(128) Collection (Application) Report ID(4) Report size(2) Report count(1) Logical Min(1) Logical Max(3) Usage(130) Usage(129) Usage(131) Input (Data, Array, Absolute, No wrap, Linear, No Preferred, Null position, Bit field) Report size(6) Input (Constant, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection Usage Page(65280) Usage(1) Collection (Application) Report ID(16) Report size(8) Report count(6) Logical Min(0) Logical Max(255) Usage(1) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage(1) Output (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) End Collection Usage Page(65280) Usage(2) Collection (Application) Report ID(17) Report size(8) Report count(19) Logical Min(0) Logical Max(255) Usage(2) Input (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage(2) Output (Data, Array, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-in bmAttributes=interrupt wMaxPacketSize=20 bInterval=2 current configuration 1 ---------- DEVICE addr 1 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x8086 idProduct=0x0000 bcdDevice=100 iManufacturer=1(Intel) iProduct=2(EHCI 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=12 current configuration 1 HUB descriptor: bDescLength=10 bDescriptorType=41 bNbrPorts=3 wHubCharacteristics=02 bPwrOn2PwrGood=200 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0503 change=0000 Port 2 status=0500 change=0000 Port 3 status=0500 change=0000 ---------- DEVICE addr 2 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x8087 idProduct=0x0024 bcdDevice=0 iManufacturer=0() iProduct=0() iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=25 bNumInterfaces=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=e0 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=2 bInterval=12 current configuration 1 HUB descriptor: bDescLength=11 bDescriptorType=41 bNbrPorts=8 wHubCharacteristics=09 bPwrOn2PwrGood=50 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0100 change=0000 Port 2 status=0100 change=0000 Port 3 status=0100 change=0000 Port 4 status=0100 change=0000 Port 5 status=0100 change=0000 Port 6 status=0100 change=0000 Port 7 status=0100 change=0000 Port 8 status=0100 change=0000 ----------