gistfile1.txt

Bus 005 Device 029: ID 4848:0001 q.m.k HHKB mod
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x4848 
  idProduct          0x0001 
  bcdDevice            1.04
  iManufacturer           1 q.m.k
  iProduct                2 HHKB mod
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x005b
    bNumInterfaces          3
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              500mA
    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               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      64
         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      0 
      bInterfaceProtocol      0 
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength     123
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval              10
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         3 Human Interface Device
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      34
         Report Descriptors: 
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x03  EP 3 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               1





$ report_desc_parse.sh -p 4848:0001
// /sys/bus/usb/drivers/usbhid/5-1:1.0/0003:4848:0001.00B8/report_descriptor:
Usage Page (Desktop),               ; Generic desktop controls (01h)
Usage (Keyboard),                   ; Keyboard (06h, application collection)
Collection (Application),
    Usage Page (Keyboard),          ; Keyboard/keypad (07h)
    Usage Minimum (KB Leftcontrol), ; Keyboard left control (E0h, dynamic value)
    Usage Maximum (KB Right GUI),   ; Keyboard right GUI (E7h, dynamic value)
    Logical Minimum (0),
    Logical Maximum (1),
    Report Count (8),
    Report Size (1),
    Input (Variable),
    Report Count (1),
    Report Size (8),
    Input (Constant),
    Usage Page (Keyboard),          ; Keyboard/keypad (07h)
    Usage Minimum (None),           ; No event (00h, selector)
    Usage Maximum (FFh),
    Logical Minimum (0),
    Logical Maximum (255),
    Report Count (6),
    Report Size (8),
    Input,
    Usage Page (LED),               ; LEDs (08h)
    Usage Minimum (01h),
    Usage Maximum (05h),
    Report Count (5),
    Report Size (1),
    Output (Variable),
    Report Count (1),
    Report Size (3),
    Output (Constant),
End Collection

// /sys/bus/usb/drivers/usbhid/5-1:1.1/0003:4848:0001.00B9/report_descriptor:
Usage Page (Desktop),                       ; Generic desktop controls (01h)
Usage (Mouse),                              ; Mouse (02h, application collection)
Collection (Application),
    Report ID (2),
    Usage (Pointer),                        ; Pointer (01h, physical collection)
    Collection (Physical),
        Usage Page (Button),                ; Button (09h)
        Usage Minimum (01h),
        Usage Maximum (08h),
        Logical Minimum (0),
        Logical Maximum (1),
        Report Count (8),
        Report Size (1),
        Input (Variable),
        Usage Page (Desktop),               ; Generic desktop controls (01h)
        Usage (X),                          ; X (30h, dynamic value)
        Usage (Y),                          ; Y (31h, dynamic value)
        Logical Minimum (-127),
        Logical Maximum (127),
        Report Count (2),
        Report Size (8),
        Input (Variable, Relative),
        Usage (Wheel),                      ; Wheel (38h, dynamic value)
        Logical Minimum (-127),
        Logical Maximum (127),
        Report Count (1),
        Report Size (8),
        Input (Variable, Relative),
        Usage Page (Consumer),              ; Consumer (0Ch)
        Usage (AC Pan),                     ; AC pan (0238h, linear control)
        Logical Minimum (-127),
        Logical Maximum (127),
        Report Count (1),
        Report Size (8),
        Input (Variable, Relative),
    End Collection,
End Collection,
Usage Page (Desktop),                       ; Generic desktop controls (01h)
Usage (Sys Control),                        ; System control (80h, application collection)
Collection (Application),
    Report ID (3),
    Usage Minimum (Pointer),                ; Pointer (01h, physical collection)
    Usage Maximum (Sys Dspl LCD Autoscale), ; System display LCD autoscale (B7h, one-shot control)
    Logical Minimum (1),
    Logical Maximum (183),
    Report Count (1),
    Report Size (16),
    Input,
End Collection,
Usage Page (Consumer),                      ; Consumer (0Ch)
Usage (Consumer Control),                   ; Consumer control (01h, application collection)
Collection (Application),
    Report ID (4),
    Usage Minimum (Consumer Control),       ; Consumer control (01h, application collection)
    Usage Maximum (02A0h),
    Logical Minimum (1),
    Logical Maximum (672),
    Report Count (1),
    Report Size (16),
    Input,
End Collection

// /sys/bus/usb/drivers/usbhid/5-1:1.2/0003:4848:0001.00BA/report_descriptor:
Usage Page (FF31h),         ; FF31h, vendor-defined
Usage (74h),
Collection (Application),
    Usage (75h),
    Logical Minimum (0),
    Logical Maximum (255),
    Report Count (32),
    Report Size (8),
    Input (Variable),
    Usage (76h),
    Logical Minimum (0),
    Logical Maximum (255),
    Report Count (32),
    Report Size (8),
    Output (Variable),
End Collection