No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0:	Lid Switch
/dev/input/event1:	Power Button
/dev/input/event2:	Power Button
/dev/input/event3:	AT Translated Set 2 keyboard
/dev/input/event4:	Video Bus
/dev/input/event5:	SynPS/2 Synaptics TouchPad
/dev/input/event6:	HP Wireless hotkeys
/dev/input/event7:	HUION Huion Tablet Pen
/dev/input/event8:	HUION Huion Tablet Pad
/dev/input/event9:	HP TrueVision HD: HP TrueVision
/dev/input/event10:	HDA Intel PCH Mic
/dev/input/event11:	HDA Intel PCH Headphone
/dev/input/event12:	HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event13:	HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event14:	HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event15:	HDA Intel PCH HDMI/DP,pcm=9
/dev/input/event16:	HDA Intel PCH HDMI/DP,pcm=10
/dev/input/event17:	HP WMI hotkeys
Select the device event number [0-17]: 8
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x256c product 0x6d version 0x111
Input device name: "HUION Huion Tablet Pad"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 256 (BTN_0)
    Event code 257 (BTN_1)
    Event code 258 (BTN_2)
    Event code 259 (BTN_3)
    Event code 260 (BTN_4)
    Event code 261 (BTN_5)
    Event code 262 (BTN_6)
    Event code 263 (BTN_7)
    Event code 264 (BTN_8)
    Event code 265 (BTN_9)
    Event code 304 (BTN_SOUTH)
    Event code 305 (BTN_EAST)
    Event code 331 (BTN_STYLUS)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value      0
      Min        0
      Max        1
    Event code 1 (ABS_Y)
      Value      0
      Min        0
      Max        1
  Event type 4 (EV_MSC)
    Event code 4 (MSC_SCAN)
Properties:
Testing ... (interrupt to exit)
Event: time 1559644160.788817, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90009
Event: time 1559644160.788817, type 1 (EV_KEY), code 264 (BTN_8), value 1
Event: time 1559644160.788817, -------------- SYN_REPORT ------------
Event: time 1559644160.939119, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90009
Event: time 1559644160.939119, type 1 (EV_KEY), code 264 (BTN_8), value 0
Event: time 1559644160.939119, -------------- SYN_REPORT ------------
Event: time 1559644161.628679, type 4 (EV_MSC), code 4 (MSC_SCAN), value 9000a
Event: time 1559644161.628679, type 1 (EV_KEY), code 265 (BTN_9), value 1
Event: time 1559644161.628679, -------------- SYN_REPORT ------------
Event: time 1559644161.758869, type 4 (EV_MSC), code 4 (MSC_SCAN), value 9000a
Event: time 1559644161.758869, type 1 (EV_KEY), code 265 (BTN_9), value 0
Event: time 1559644161.758869, -------------- SYN_REPORT ------------
Event: time 1559644162.464840, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90001
Event: time 1559644162.464840, type 1 (EV_KEY), code 304 (BTN_SOUTH), value 1
Event: time 1559644162.464840, -------------- SYN_REPORT ------------
Event: time 1559644162.591130, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90001
Event: time 1559644162.591130, type 1 (EV_KEY), code 304 (BTN_SOUTH), value 0
Event: time 1559644162.591130, -------------- SYN_REPORT ------------
Event: time 1559644163.316861, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90002
Event: time 1559644163.316861, type 1 (EV_KEY), code 305 (BTN_EAST), value 1
Event: time 1559644163.316861, -------------- SYN_REPORT ------------
Event: time 1559644163.469133, type 4 (EV_MSC), code 4 (MSC_SCAN), value 90002
Event: time 1559644163.469133, type 1 (EV_KEY), code 305 (BTN_EAST), value 0
Event: time 1559644163.469133, -------------- SYN_REPORT ------------