100円ショップメモ

Can★Do

100円USB有線マウス

普通にHIDデバイスに見える．しかし流石に精度は悪く使っていてストレスを感じる．

dmesg

[143284.767610] usb 2-2: new low-speed USB device number 10 using xhci_hcd
[143284.923330] usb 2-2: New USB device found, idVendor=10c4, idProduct=8108, bcdDevice= 0.00
[143284.923332] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[143284.923333] usb 2-2: Product: USB OPTICAL MOUSE
[143284.923334] usb 2-2: Manufacturer: YSPRINGTECH
[143284.926152] input: YSPRINGTECH USB OPTICAL MOUSE as /devices/pci0000:00/0000:00:14.0/usb2/2-2/2-2:1.0/0003:10C4:8108.000A/input/input28
[143284.926280] hid-generic 0003:10C4:8108.000A: input,hidraw1: USB HID v1.11 Mouse [YSPRINGTECH USB OPTICAL MOUSE] on usb-0000:00:14.0-2/input0

lsusb

$ lsusb -d 10c4:8108
Bus 002 Device 010: ID 10c4:8108 Cygnal Integrated Products, Inc. USB OPTICAL MOUSE

$ sudo lsusb -vvv -d 10c4:8108 | xclip
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable

Bus 002 Device 010: ID 10c4:8108 Cygnal Integrated Products, Inc. USB OPTICAL MOUSE
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x10c4 Cygnal Integrated Products, Inc.
  idProduct          0x8108 
  bcdDevice            0.00
  iManufacturer           1 YSPRINGTECH
  iProduct                2 USB OPTICAL MOUSE
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0022
    bNumInterfaces          1
    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      2 Mouse
      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
Device Status:     0x0000
  (Bus Powered)

xinput

$ xinput list --short | grep 'YSPRINGTECH USB OPTICAL MOUSE'
⎜   ↳ YSPRINGTECH USB OPTICAL MOUSE             id=17   [slave  pointer  (2)]

$ xinput list --long 'YSPRINGTECH USB OPTICAL MOUSE'
YSPRINGTECH USB OPTICAL MOUSE                   id=17   [slave  pointer  (2)]
        Reporting 7 classes:
                Class originated from: 17. Type: XIButtonClass
                Buttons supported: 7
                Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right"
                Button state:
                Class originated from: 17. Type: XIValuatorClass
                Detail for Valuator 0:
                  Label: Rel X
                  Range: -1.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 17. Type: XIValuatorClass
                Detail for Valuator 1:
                  Label: Rel Y
                  Range: -1.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 17. Type: XIValuatorClass
                Detail for Valuator 2:
                  Label: Rel Horiz Scroll
                  Range: -1.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 17. Type: XIValuatorClass
                Detail for Valuator 3:
                  Label: Rel Vert Scroll
                  Range: -1.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 17. Type: XIScrollClass
                Scroll info for Valuator 2
                  type: 2 (horizontal)
                  increment: 15.000000
                  flags: 0x0
                Class originated from: 17. Type: XIScrollClass
                Scroll info for Valuator 3
                  type: 1 (vertical)
                  increment: 15.000000
                  flags: 0x0

解析動画．1ポンドで売ってるらしい．世界中で売ってる?

Inside a humble Poundland computer mouse. - YouTube

コメント欄より

SandPox2 週間前If you search for "YOUR MOUSE IS A TERRIBLE WEBCAM" on hackaday, people actually did managed to extract the image out of the sensor for it to be used as an incredibly low res camera

ArduinoでWebCamにしている!(30×30だけど)