1. lab-64:~# lsusb -d 1997:0409 -v
  2.  
  3. Bus 002 Device 006: ID 1997:0409
  4. Device Descriptor:
  5. bLength 18
  6. bDescriptorType 1
  7. bcdUSB 2.00
  8. bDeviceClass 0 (Defined at Interface level)
  9. bDeviceSubClass 0
  10. bDeviceProtocol 0
  11. bMaxPacketSize0 8
  12. idVendor 0x1997
  13. idProduct 0x0409
  14. bcdDevice 1.21
  15. iManufacturer 1 Riitek
  16. iProduct 2 Micro Keyboard
  17. iSerial 0
  18. bNumConfigurations 1
  19. Configuration Descriptor:
  20. bLength 9
  21. bDescriptorType 2
  22. wTotalLength 59
  23. bNumInterfaces 2
  24. bConfigurationValue 1
  25. iConfiguration 0
  26. bmAttributes 0x80
  27. (Bus Powered)
  28. MaxPower 100mA
  29. Interface Descriptor:
  30. bLength 9
  31. bDescriptorType 4
  32. bInterfaceNumber 0
  33. bAlternateSetting 0
  34. bNumEndpoints 1
  35. bInterfaceClass 3 Human Interface Device
  36. bInterfaceSubClass 1 Boot Interface Subclass
  37. bInterfaceProtocol 1 Keyboard
  38. iInterface 0
  39. HID Device Descriptor:
  40. bLength 9
  41. bDescriptorType 33
  42. bcdHID 1.11
  43. bCountryCode 0 Not supported
  44. bNumDescriptors 1
  45. bDescriptorType 34 Report
  46. wDescriptorLength 63
  47. Report Descriptors:
  48. ** UNAVAILABLE **
  49. Endpoint Descriptor:
  50. bLength 7
  51. bDescriptorType 5
  52. bEndpointAddress 0x81 EP 1 IN
  53. bmAttributes 3
  54. Transfer Type Interrupt
  55. Synch Type None
  56. Usage Type Data
  57. wMaxPacketSize 0x0008 1x 8 bytes
  58. bInterval 10
  59. Interface Descriptor:
  60. bLength 9
  61. bDescriptorType 4
  62. bInterfaceNumber 1
  63. bAlternateSetting 0
  64. bNumEndpoints 1
  65. bInterfaceClass 3 Human Interface Device
  66. bInterfaceSubClass 1 Boot Interface Subclass
  67. bInterfaceProtocol 2 Mouse
  68. iInterface 0
  69. HID Device Descriptor:
  70. bLength 9
  71. bDescriptorType 33
  72. bcdHID 1.11
  73. bCountryCode 0 Not supported
  74. bNumDescriptors 1
  75. bDescriptorType 34 Report
  76. wDescriptorLength 96
  77. Report Descriptors:
  78. ** UNAVAILABLE **
  79. Endpoint Descriptor:
  80. bLength 7
  81. bDescriptorType 5
  82. bEndpointAddress 0x82 EP 2 IN
  83. bmAttributes 3
  84. Transfer Type Interrupt
  85. Synch Type None
  86. Usage Type Data
  87. wMaxPacketSize 0x0008 1x 8 bytes
  88. bInterval 10
  89. Device Status: 0x0000
  90. (Bus Powered)