Please, try it with lsusb command. If it works, it maybe a PyUSB or libusb issue. Would you mind trying to build a little C program T check it? It the C program works, it is probably a PyUSB issue. In this case, please, open a bug request in SF, informing the PyUSB and libusb versions.
Best regards, Wander 2009/3/11 Michael Ward <michaelw...@sprintmail.com>: > If anyone can give me a clue as to how to fix this, I'd sure appreciate > it. When I cat /proc/bus/usb/devices, the NXT shows up (on bus 4) with > the expected vendor (0x0694) and product (0x0002) numbers, but not when > I run a modified usbenum program. > > The data follows. > > Thanks, > - Mike > > usbenum program: > --------------- > #!/usr/bin/env python > # > # Enumerate usb devices > # > #Copyright 2005 Wander Lairson Costa > > import usb > > busses = usb.busses() > > for bus in busses: > devices = bus.devices > print "=== new bus ===" > for dev in devices: > print "Device:", dev.filename > print " Device class:",dev.deviceClass > print " Device sub class:",dev.deviceSubClass > print " Device protocol:",dev.deviceProtocol > print " Max packet size:",dev.maxPacketSize > print " idVendor: %d (0x%x)" % (dev.idVendor,dev.idVendor) > print " idProduct: %d (0x%x)" % (dev.idProduct,dev.idProduct) > print " Device Version:",dev.deviceVersion > for config in dev.configurations: > print " Configuration:", config.value > print " Total length:", config.totalLength > print " selfPowered:", config.selfPowered > print " remoteWakeup:", config.remoteWakeup > print " maxPower:", config.maxPower > for intf in config.interfaces: > print " Interface:",intf[0].interfaceNumber > for alt in intf: > print " Alternate Setting:",alt.alternateSetting > print " Interface class:",alt.interfaceClass > print " Interface sub class:",alt.interfaceSubClass > print " Interface protocol:",alt.interfaceProtocol > for ep in alt.endpoints: > print " Endpoint:",hex(ep.address) > print " Type:",ep.type > print " Max packet size:",ep.maxPacketSize > print " Interval:",ep.interval > > usbenum output: > -------------- > === new bus === > Device: 004 > Device class: 0 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 3034 (0xbda) > idProduct: 273 (0x111) > Device Version: 11.37 > Configuration: 1 > Total length: 32 > selfPowered: 0 > remoteWakeup: 0 > maxPower: 232 > Interface: 0 > Alternate Setting: 0 > Interface class: 8 > Interface sub class: 6 > Interface protocol: 80 > Endpoint: 0x1L > Type: 2 > Max packet size: 512 > Interval: 0 > Endpoint: 0x82L > Type: 2 > Max packet size: 512 > Interval: 0 > Device: 001 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 7531 (0x1d6b) > idProduct: 2 (0x2) > Device Version: 02.06 > Configuration: 1 > Total length: 25 > selfPowered: 1 > remoteWakeup: 1 > maxPower: 0 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 4 > Interval: 12 > === new bus === > Device: 001 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 7531 (0x1d6b) > idProduct: 1 (0x1) > Device Version: 02.06 > Configuration: 1 > Total length: 25 > selfPowered: 1 > remoteWakeup: 1 > maxPower: 0 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 2 > Interval: 255 > === new bus === > Device: 001 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 7531 (0x1d6b) > idProduct: 1 (0x1) > Device Version: 02.06 > Configuration: 1 > Total length: 25 > selfPowered: 1 > remoteWakeup: 1 > maxPower: 0 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 2 > Interval: 255 > === new bus === > Device: 004 > Device class: 0 > Device sub class: 0 > Device protocol: 0 > Max packet size: 8 > idVendor: 2278 (0x8e6) > idProduct: 1074 (0x432) > Device Version: 01.00 > Configuration: 1 > Total length: 32 > selfPowered: 0 > remoteWakeup: 0 > maxPower: 200 > Interface: 0 > Alternate Setting: 0 > Interface class: 255 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x85L > Type: 2 > Max packet size: 64 > Interval: 255 > Endpoint: 0x6L > Type: 2 > Max packet size: 64 > Interval: 255 > Device: 003 > Device class: 0 > Device sub class: 0 > Device protocol: 0 > Max packet size: 8 > idVendor: 1183 (0x49f) > idProduct: 14 (0xe) > Device Version: 01.02 > Configuration: 1 > Total length: 59 > selfPowered: 0 > remoteWakeup: 1 > maxPower: 200 > Interface: 0 > Alternate Setting: 0 > Interface class: 3 > Interface sub class: 1 > Interface protocol: 1 > Endpoint: 0x81L > Type: 3 > Max packet size: 8 > Interval: 10 > Interface: 1 > Alternate Setting: 0 > Interface class: 3 > Interface sub class: 1 > Interface protocol: 2 > Endpoint: 0x82L > Type: 3 > Max packet size: 8 > Interval: 10 > Device: 002 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 8 > idVendor: 1105 (0x451) > idProduct: 8246 (0x2036) > Device Version: 01.01 > Configuration: 1 > Total length: 25 > selfPowered: 0 > remoteWakeup: 1 > maxPower: 200 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 1 > Interval: 255 > Device: 001 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 7531 (0x1d6b) > idProduct: 1 (0x1) > Device Version: 02.06 > Configuration: 1 > Total length: 25 > selfPowered: 1 > remoteWakeup: 1 > maxPower: 0 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 2 > Interval: 255 > === new bus === > Device: 002 > Device class: 0 > Device sub class: 0 > Device protocol: 0 > Max packet size: 8 > idVendor: 1133 (0x46d) > idProduct: 50177 (0xc401) > Device Version: 02.10 > Configuration: 1 > Total length: 34 > selfPowered: 0 > remoteWakeup: 1 > maxPower: 100 > Interface: 0 > Alternate Setting: 0 > Interface class: 3 > Interface sub class: 1 > Interface protocol: 2 > Endpoint: 0x81L > Type: 3 > Max packet size: 8 > Interval: 10 > Device: 001 > Device class: 9 > Device sub class: 0 > Device protocol: 0 > Max packet size: 64 > idVendor: 7531 (0x1d6b) > idProduct: 1 (0x1) > Device Version: 02.06 > Configuration: 1 > Total length: 25 > selfPowered: 1 > remoteWakeup: 1 > maxPower: 0 > Interface: 0 > Alternate Setting: 0 > Interface class: 9 > Interface sub class: 0 > Interface protocol: 0 > Endpoint: 0x81L > Type: 3 > Max packet size: 2 > Interval: 255 > > /proc/bus/usb/devices > --------------------- > > T: Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 > B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1d6b ProdID=0001 Rev= 2.06 > S: Manufacturer=Linux 2.6.27.19-170.2.35.fc10.i686.PAE uhci_hcd > S: Product=UHCI Host Controller > S: SerialNumber=0000:00:1d.3 > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms > > T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 > B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1d6b ProdID=0001 Rev= 2.06 > S: Manufacturer=Linux 2.6.27.19-170.2.35.fc10.i686.PAE uhci_hcd > S: Product=UHCI Host Controller > S: SerialNumber=0000:00:1d.2 > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms > > T: Bus=04 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=0694 ProdID=0002 Rev= 0.00 > S: SerialNumber=00165301DB1E > C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) > E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > > T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 > B: Alloc= 29/900 us ( 3%), #Int= 3, #Iso= 0 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1d6b ProdID=0001 Rev= 2.06 > S: Manufacturer=Linux 2.6.27.19-170.2.35.fc10.i686.PAE uhci_hcd > S: Product=UHCI Host Controller > S: SerialNumber=0000:00:1d.1 > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms > > T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 2 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=0451 ProdID=2036 Rev= 1.01 > S: Product=General Purpose USB Hub > C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms > > T: Bus=03 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=1.5 MxCh= 0 > D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=049f ProdID=000e Rev= 1.02 > S: Manufacturer=Chicony > S: Product=Compaq Internet Keyboard > C:* #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid > E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms > I:* If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid > E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=10ms > > T: Bus=03 Lev=02 Prnt=02 Port=01 Cnt=02 Dev#= 4 Spd=12 MxCh= 0 > D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=08e6 ProdID=0432 Rev= 1.00 > S: Manufacturer=GEMPLUS > S: Product=Visa Usb Smart Card Reader GCR432 > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) > E: Ad=85(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > E: Ad=06(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms > > T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 > B: Alloc= 14/900 us ( 2%), #Int= 1, #Iso= 0 > D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1d6b ProdID=0001 Rev= 2.06 > S: Manufacturer=Linux 2.6.27.19-170.2.35.fc10.i686.PAE uhci_hcd > S: Product=UHCI Host Controller > S: SerialNumber=0000:00:1d.0 > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms > > T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0 > D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=046d ProdID=c401 Rev= 2.10 > S: Manufacturer=Logitech > S: Product=USB-PS/2 Trackball > C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr= 50mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid > E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms > > T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 8 > B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0 > D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1d6b ProdID=0002 Rev= 2.06 > S: Manufacturer=Linux 2.6.27.19-170.2.35.fc10.i686.PAE ehci_hcd > S: Product=EHCI Host Controller > S: SerialNumber=0000:00:1d.7 > C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA > I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub > E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms > > T: Bus=01 Lev=01 Prnt=01 Port=07 Cnt=01 Dev#= 4 Spd=480 MxCh= 0 > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=0bda ProdID=0111 Rev=11.37 > S: Manufacturer=Generic > S: Product=USB2.0-CRW > S: SerialNumber=20021111153705700 > C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA > I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 > Driver=usb-storage > E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > > > > ------------------------------------------------------------------------------ > Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are > powering Web 2.0 with engaging, cross-platform capabilities. Quickly and > easily build your RIAs with Flex Builder, the Eclipse(TM)based development > software that enables intelligent coding and step-through debugging. > Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com > _______________________________________________ > Pyusb-users mailing list > Pyusb-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/pyusb-users > ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Pyusb-users mailing list Pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users
