DEVICE addr 0 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=3.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=3 bMaxPacketSize=9 idVendor=0x0000 idProduct=0x0000 bcdDevice=100 iManufacturer=1(NetBSD) iProduct=2(xHCI root hub) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=31 bNumInterface=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=40 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=8 Unknown descriptor (class 9/0): bLength=6 bDescriptorType=48 ... current configuration 1 HUB descriptor: bDescLength=11 bDescriptorType=41 bNbrPorts=2 wHubCharacteristics=02 bPwrOn2PwrGood=200 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0100 change=0000 Port 2 status=0100 change=0000 ---------- DEVICE addr 0 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x0000 idProduct=0x0000 bcdDevice=100 iManufacturer=1(NetBSD) iProduct=2(xHCI root hub) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=25 bNumInterface=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=11 bDescriptorType=41 bNbrPorts=1 wHubCharacteristics=02 bPwrOn2PwrGood=200 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0100 change=0000 ---------- DEVICE addr 0 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=3.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=3 bMaxPacketSize=9 idVendor=0x0000 idProduct=0x0000 bcdDevice=100 iManufacturer=1(NetBSD) iProduct=2(xHCI root hub) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=31 bNumInterface=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=40 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=8 Unknown descriptor (class 9/0): bLength=6 bDescriptorType=48 ... current configuration 1 HUB descriptor: bDescLength=11 bDescriptorType=41 bNbrPorts=4 wHubCharacteristics=02 bPwrOn2PwrGood=200 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 ---------- DEVICE addr 0 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=9 bDeviceSubClass=0 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x0000 idProduct=0x0000 bcdDevice=100 iManufacturer=1(NetBSD) iProduct=2(xHCI root hub) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=25 bNumInterface=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=13 bDescriptorType=41 bNbrPorts=12 wHubCharacteristics=02 bPwrOn2PwrGood=200 bHubContrCurrent=0 DeviceRemovable=0 Hub status 0000 0000 Port 1 status=0100 change=0000 Port 2 status=0303 change=0000 Port 3 status=0303 change=0000 Port 4 status=0503 change=0000 Port 5 status=0100 change=0000 Port 6 status=0103 change=0000 Port 7 status=0100 change=0000 Port 8 status=0100 change=0000 Port 9 status=0100 change=0000 Port 10 status=0103 change=0000 Port 11 status=0100 change=0000 Port 12 status=0100 change=0000 ---------- DEVICE addr 1 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=1.10 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=8 idVendor=0x0458 idProduct=0x0186 bcdDevice=2458 iManufacturer=4(KYE SYSTEMS CORP.) iProduct=40(Wired Mouse) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=52 bNumInterface=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=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]=56 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 size(1) Report count(3) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report size(5) Report count(1) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Page(1) 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) Usage(56) Report count(1) 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 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=0 bInterfaceClass=3 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.11 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=22 Report descriptor Usage(199) Collection (Application) Usage Page(255) Report ID(1) Usage(196) Logical Min(0) Logical Max(255) Report count(7) Report size(8) Feature (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Non volatile, Bit field) End Collection current configuration 1 ---------- DEVICE addr 2 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=8 idVendor=0x0c45 idProduct=0x7663 bcdDevice=1 iManufacturer=1(SONiX) iProduct=2(USB Keyboard) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=59 bNumInterface=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=1.11 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=65 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(255) Usage Page(7) Usage Min(0) Usage Max(255) 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=10 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.11 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=52 Report descriptor Usage Page(12) Usage(1) Collection (Application) Report ID(1) Usage Min(0) Usage Max(572) Logical Min(0) Logical Max(572) Report count(1) Report size(16) 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(2) Usage Min(129) Usage Max(131) Logical Min(0) Logical Max(1) Report size(1) Report count(3) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Report count(5) Input (Constant, Array, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) End Collection ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-in bmAttributes=interrupt wMaxPacketSize=3 bInterval=10 current configuration 1 ---------- DEVICE addr 3 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.10 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=64 idVendor=0x0bda idProduct=0x8152 bcdDevice=2000 iManufacturer=1(Realtek) iProduct=2(USB 10/100 LAN) iSerialNumber=... bNumConfigurations=2 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=39 bNumInterface=1 bConfigurationValue=1 iConfiguration=0() bmAttributes=a0 bMaxPower=100 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=3 bInterfaceClass=255 bInterfaceSubClass=255 bInterfaceProtocol=0 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=bulk wMaxPacketSize=512 bInterval=0 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-out bmAttributes=bulk wMaxPacketSize=512 bInterval=0 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=interrupt wMaxPacketSize=2 bInterval=8 CONFIGURATION descriptor 1: bLength=9 bDescriptorType=config(2) wTotalLength=80 bNumInterface=2 bConfigurationValue=2 iConfiguration=0() bmAttributes=a0 bMaxPower=100 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=2 bInterfaceSubClass=6 bInterfaceProtocol=0 iInterface=5(CDC Communications Control) CDC INTERFACE descriptor: bLength=5 bDescriptorType=cs_interface(36) bDescriptorSubtype=header bcdCDC=1.10 CDC INTERFACE descriptor: bLength=5 bDescriptorType=cs_interface(36) bDescriptorSubtype=union bMasterInterface=0 bSlaveInterface0=1 Unknown descriptor (class 2/6): bLength=13 bDescriptorType=36 ... ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=interrupt wMaxPacketSize=16 bInterval=8 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=0 bInterfaceClass=10 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=0() INTERFACE descriptor 2: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=1 bNumEndpoints=2 bInterfaceClass=10 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=4(Ethernet Data) ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=bulk wMaxPacketSize=512 bInterval=0 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-out bmAttributes=bulk wMaxPacketSize=512 bInterval=0 current configuration 1 ---------- DEVICE addr 4 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.00 bDeviceClass=0 bDeviceSubClass=0 bDeviceProtocol=0 bMaxPacketSize=64 idVendor=0x0573 idProduct=0x1573 bcdDevice=8007 iManufacturer=1(CSCTEK) iProduct=2(USB Audio and HID) iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=229 bNumInterface=4 bConfigurationValue=1 iConfiguration=0() bmAttributes=a0 bMaxPower=100 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=0 bInterfaceClass=1 bInterfaceSubClass=1 bInterfaceProtocol=0 iInterface=0() AC interface descriptor bLength=10 bDescriptorType=cs_interface(36) bDescriptorSubtype=header(1) bcdADC=1.00 wTotalLength=70 bInCollection=2 baInterfaceNr[0]=1 baInterfaceNr[1]=2 AC unit descriptor Input terminal descriptor bLength=12 bDescriptorType=cs_interface(36) bDescriptorSubtype=2 bTerminalId=1 wTerminalType=257 bAssocTerminal=0 bNrChannels=2 wChannelConfig=0003 iChannelNames=0 iTerminal=0 AC unit descriptor Feature unit descriptor bLength=8 bDescriptorType=cs_interface(36) bDescriptorSubtype=6 bUnitId=5 bSourceId=4 bControlSize=1 bmaControls[0]=03 bmaControls[1]=00 AC unit descriptor Output terminal descriptor bLength=9 bDescriptorType=cs_interface(36) bDescriptorSubtype=3 bTerminalId=2 wTerminalType=257 bAssocTerminal=0 bSourceId=5 iTerminal=0 AC unit descriptor Feature unit descriptor bLength=10 bDescriptorType=cs_interface(36) bDescriptorSubtype=6 bUnitId=6 bSourceId=1 bControlSize=1 bmaControls[0]=01 bmaControls[1]=02 bmaControls[2]=02 bmaControls[3]=00 AC unit descriptor Output terminal descriptor bLength=9 bDescriptorType=cs_interface(36) bDescriptorSubtype=3 bTerminalId=3 wTerminalType=769 bAssocTerminal=0 bSourceId=6 iTerminal=0 AC unit descriptor Input terminal descriptor bLength=12 bDescriptorType=cs_interface(36) bDescriptorSubtype=2 bTerminalId=4 wTerminalType=513 bAssocTerminal=0 bNrChannels=1 wChannelConfig=0001 iChannelNames=0 iTerminal=0 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=0 bInterfaceClass=1 bInterfaceSubClass=2 bInterfaceProtocol=0 iInterface=0() INTERFACE descriptor 2: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=1 bNumEndpoints=1 bInterfaceClass=1 bInterfaceSubClass=2 bInterfaceProtocol=0 iInterface=0() bLength=7 bDescriptorType=cs_interface(36) bDescriptorSubtype=as_general(1) bTerminalLink=2 bDelay=1 wFormatTag=1 bLength=17 bDescriptorType=cs_interface(36) bDescriptorSubtype=format_type(2) bFormatType=1 bNrChannels=1 bSubFrameSize=2 bBitResolution=16 bSamFreqType=3 tSamFreq[0]=8000 tSamFreq[1]=16000 tSamFreq[2]=48000 ENDPOINT descriptor: bLength=9 bDescriptorType=endpoint(5) bEndpointAddress=2-in bmAttributes=isochronous-async wMaxPacketSize=100 bInterval=1 bLength=7 bDescriptorType=cs_endpoint(37) bDescriptorSubtype=as_general(1) bmAttributes=1 bLockDelayUnits=0 wLockDelay=0 INTERFACE descriptor 3: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=2 bAlternateSetting=0 bNumEndpoints=0 bInterfaceClass=1 bInterfaceSubClass=2 bInterfaceProtocol=0 iInterface=0() INTERFACE descriptor 4: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=2 bAlternateSetting=1 bNumEndpoints=1 bInterfaceClass=1 bInterfaceSubClass=2 bInterfaceProtocol=0 iInterface=0() bLength=7 bDescriptorType=cs_interface(36) bDescriptorSubtype=as_general(1) bTerminalLink=1 bDelay=1 wFormatTag=1 bLength=17 bDescriptorType=cs_interface(36) bDescriptorSubtype=format_type(2) bFormatType=1 bNrChannels=2 bSubFrameSize=2 bBitResolution=16 bSamFreqType=3 tSamFreq[0]=8000 tSamFreq[1]=16000 tSamFreq[2]=48000 ENDPOINT descriptor: bLength=9 bDescriptorType=endpoint(5) bEndpointAddress=1-out bmAttributes=isochronous-adaptive wMaxPacketSize=192 bInterval=1 bLength=7 bDescriptorType=cs_endpoint(37) bDescriptorSubtype=as_general(1) bmAttributes=1 bLockDelayUnits=0 wLockDelay=0 INTERFACE descriptor 5: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=3 bAlternateSetting=0 bNumEndpoints=1 bInterfaceClass=3 bInterfaceSubClass=0 bInterfaceProtocol=0 iInterface=0() HID descriptor: bLength=9 bDescriptorType=cs_device(33) bcdHID=1.10 bCountryCode=0 bNumDescriptors=1 bDescriptorType[0]=cs_config(34), wDescriptorLength[0]=27 Report descriptor Usage Page(1) Usage(0) Collection (Application) Logical Min(0) Logical Max(255) Usage Min(1) Usage Max(8) Report count(64) Report size(8) Input (Data, Variable, Absolute, No wrap, Linear, Preferred state, No null position, Bit field) Usage Min(0) Usage Max(255) Output (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-out bmAttributes=interrupt wMaxPacketSize=64 bInterval=1 current configuration 1 ---------- DEVICE addr 5 DEVICE descriptor: bLength=18 bDescriptorType=device(1) bcdUSB=2.01 bDeviceClass=224 bDeviceSubClass=1 bDeviceProtocol=1 bMaxPacketSize=64 idVendor=0x8087 idProduct=0x0026 bcdDevice=2 iManufacturer=0() iProduct=0() iSerialNumber=... bNumConfigurations=1 CONFIGURATION descriptor 0: bLength=9 bDescriptorType=config(2) wTotalLength=200 bNumInterface=2 bConfigurationValue=1 iConfiguration=0() bmAttributes=e0 bMaxPower=100 mA INTERFACE descriptor 0: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=0 bAlternateSetting=0 bNumEndpoints=3 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=1-in bmAttributes=interrupt wMaxPacketSize=64 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-out bmAttributes=bulk wMaxPacketSize=64 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=2-in bmAttributes=bulk wMaxPacketSize=64 bInterval=1 INTERFACE descriptor 1: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=0 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=0 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=0 bInterval=1 INTERFACE descriptor 2: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=1 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=9 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=9 bInterval=1 INTERFACE descriptor 3: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=2 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=17 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=17 bInterval=1 INTERFACE descriptor 4: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=3 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=25 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=25 bInterval=1 INTERFACE descriptor 5: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=4 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=33 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=33 bInterval=1 INTERFACE descriptor 6: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=5 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=49 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=49 bInterval=1 INTERFACE descriptor 7: bLength=9 bDescriptorType=interface(4) bInterfaceNumber=1 bAlternateSetting=6 bNumEndpoints=2 bInterfaceClass=224 bInterfaceSubClass=1 bInterfaceProtocol=1 iInterface=0() ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-out bmAttributes=isochronous wMaxPacketSize=63 bInterval=1 ENDPOINT descriptor: bLength=7 bDescriptorType=endpoint(5) bEndpointAddress=3-in bmAttributes=isochronous wMaxPacketSize=63 bInterval=1 current configuration 1 ----------