2012/2/12 Lance R. Vick <la...@lrvick.net>: > Sure. > _____________________________________________ > > Bus 003 Device 032: ID 0c45:7401 Microdia > > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.00 > bDeviceClass 0 (Defined at Interface level) > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 8 > idVendor 0x0c45 Microdia > idProduct 0x7401 > bcdDevice 0.01 > iManufacturer 1 RDing > iProduct 2 TEMPer1V1.1 > iSerial 0 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 59 > bNumInterfaces 2 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0xa0 > (Bus Powered) > Remote Wakeup > MaxPower 100mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 1 > bInterfaceClass 3 Human Interface Device > bInterfaceSubClass 1 Boot Interface Subclass > bInterfaceProtocol 1 Keyboard > iInterface 0 > HID Device Descriptor: > bLength 9 > bDescriptorType 33 > bcdHID 1.10 > bCountryCode 0 Not supported > bNumDescriptors 1 > bDescriptorType 34 Report > wDescriptorLength 65 > Report Descriptors: > ** UNAVAILABLE ** > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x81 EP 1 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0008 1x 8 bytes > bInterval 10 > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 1 > bAlternateSetting 0 > bNumEndpoints 1 > bInterfaceClass 3 Human Interface Device > bInterfaceSubClass 1 Boot Interface Subclass > bInterfaceProtocol 2 Mouse > iInterface 0 > HID Device Descriptor: > bLength 9 > bDescriptorType 33 > bcdHID 1.10 > bCountryCode 0 Not supported > bNumDescriptors 1 > bDescriptorType 34 Report > wDescriptorLength 41 > Report Descriptor: (length is 41) > Item(Global): Usage Page, data= [ 0x00 0xff ] 65280 > (null) > Item(Local ): Usage, data= [ 0x01 ] 1 > (null) > Item(Main ): Collection, data= [ 0x01 ] 1 > Application > Item(Local ): Usage, data= [ 0x01 ] 1 > (null) > Item(Global): Logical Minimum, data= [ 0x00 ] 0 > Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255 > Item(Global): Report Size, data= [ 0x08 ] 8 > Item(Global): Report Count, data= [ 0x08 ] 8 > Item(Main ): Input, data= [ 0x02 ] 2 > Data Variable Absolute No_Wrap Linear > Preferred_State No_Null_Position > Non_Volatile Bitfield > Item(Local ): Usage, data= [ 0x01 ] 1 > (null) > Item(Global): Report Count, data= [ 0x08 ] 8 > Item(Main ): Output, data= [ 0x02 ] 2 > Data Variable Absolute No_Wrap Linear > Preferred_State No_Null_Position > Non_Volatile Bitfield > Item(Global): Usage Page, data= [ 0x0c ] 12 > Consumer > Item(Local ): Usage, data= [ 0x00 ] 0 > Unassigned > Item(Global): Logical Minimum, data= [ 0x80 ] 128 > Item(Global): Logical Maximum, data= [ 0x7f ] 127 > Item(Global): Report Size, data= [ 0x08 ] 8 > Item(Global): Report Count, data= [ 0x08 ] 8 > Item(Main ): Feature, data= [ 0x02 ] 2 > Data Variable Absolute No_Wrap Linear > Preferred_State No_Null_Position > Non_Volatile Bitfield > Item(Main ): End Collection, data=none > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x82 EP 2 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0008 1x 8 bytes > bInterval 10 > Device Status: 0x0000 > (Bus Powered) >
I am not sure why you C code works and pyusb doesn't, but libusb is known to be problematic with HID devices. Maybe you should switch to hidapi [1] and its Python binding [2]. [1] http://www.signal11.us/oss/hidapi/ [2] http://mcuee.blogspot.com/2011/04/python-and-usb-hid-device.html -- Best Regards, Wander Lairson Costa ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users