最終更新:2017-08-14 (月) 13:54:47 (2446d)  

getevent
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provides information about input devices and a live dump of kernel input events.

https://source.android.com/devices/input/getevent.html

ログ表示 

getevent -l
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help 

root@android:/ # getevent -help
getevent -help
Usage: getevent [-t] [-n] [-s switchmask] [-S] [-v [mask]] [-d] [-p] [-i] [-l] [-q] [-c count] [-r] [device]
    -t: show time stamps
    -n: don't print newlines
    -s: print switch states for given bits
    -S: print all switch states
    -v: verbosity mask (errs=1, dev=2, name=4, info=8, vers=16, pos. events=32, props=64)
    -d: show HID descriptor, if available
    -p: show possible events (errs, dev, name, pos. events)
    -i: show all device info and possible events
    -l: label event types and names in plain text
    -q: quiet (clear verbosity mask)
    -c: print given number of events then exit
    -r: print rate events are received
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QUANTA OpticalTouchScreen 

root@android:/ # getevent -lp /dev/input/event7
getevent -lp /dev/input/event7
add device 1: /dev/input/event7
  name:     "QUANTA OpticalTouchScreen"
  events:
    KEY (0001): BTN_TOUCH
    ABS (0003): ABS_X                 : value 1851, min 0, max 1920, fuzz 0, flat 0, resolution 0
                ABS_Y                 : value 733, min 0, max 1080, fuzz 0, flat 0, resolution 0
                ABS_MT_SLOT           : value 0, min 0, max 9, fuzz 0, flat 0, resolution 0
                ABS_MT_POSITION_X     : value 0, min 0, max 1920, fuzz 0, flat 0, resolution 0
                ABS_MT_POSITION_Y     : value 0, min 0, max 1080, fuzz 0, flat 0, resolution 0
                ABS_MT_TRACKING_ID    : value 0, min 0, max 65535, fuzz 0, flat 0, resolution 0
  input props:
    INPUT_PROP_DIRECT
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SC-05D 

shell@android:/ $ getevent -l
add device 1: /dev/input/event13
  name:     "compass_sensor"
add device 2: /dev/input/event8
  name:     "fsa9480"
add device 3: /dev/input/event12
  name:     "sec_e-pen"
could not get driver version for /dev/input/mouse0, Not a typewriter
add device 4: /dev/input/event11
  name:     "melfas_touchkey"
add device 5: /dev/input/event10
  name:     "orientation_sensor"
add device 6: /dev/input/event9
  name:     "gyro_sensor"
add device 7: /dev/input/event7
  name:     "light_sensor"
add device 8: /dev/input/event6
  name:     "proximity_sensor"
add device 9: /dev/input/event5
  name:     "barometer_sensor"
add device 10: /dev/input/event3
  name:     "sec_touchscreen"
could not get driver version for /dev/input/mice, Not a typewriter
add device 11: /dev/input/event1
  name:     "sec_jack"
add device 12: /dev/input/event0
  name:     "sii9234_rcp"
add device 13: /dev/input/event4
  name:     "pmic8xxx_pwrkey"
add device 14: /dev/input/event2
  name:     "ffa-keypad"
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出力

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-lなし

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メモ 

  • $ getevent /dev/input/event7
0004 0004 00070028
0001 001c 00000001
0000 0000 00000000
0004 0004 00070028
0001 001c 00000000
0000 0000 00000000

$ getevent -l /dev/input/event7
EV_MSC       MSC_SCAN             00070028
EV_KEY       KEY_ENTER            DOWN
EV_SYN       SYN_REPORT           00000000
EV_MSC       MSC_SCAN             00070028
EV_KEY       KEY_ENTER            UP
EV_SYN       SYN_REPORT           00000000
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メモ

/sys/kernel/debug/hid

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ソースコード

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関連




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