root@beaglebone:/etc/udev/rules.d# evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0:      tps65217_pwr_but
/dev/input/event1:      gpio_keys.12
/dev/input/event2:      ft5x0x_ts
Select the device event number [0-2]: 2
Input driver version is 1.0.1
Input device ID: bus 0x0 vendor 0x0 product 0x0 version 0x0
Input device name: "ft5x0x_ts"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 330 (BTN_TOUCH)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value      0
      Min        0
      Max        0
    Event code 1 (ABS_Y)
      Value      0
      Min        0
      Max        0
    Event code 48 (ABS_MT_TOUCH_MAJOR)
      Value      0
      Min        0
      Max      255
    Event code 50 (ABS_MT_WIDTH_MAJOR)
      Value      0
      Min        0
      Max      200
    Event code 53 (ABS_MT_POSITION_X)
      Value      0
      Min        0
      Max      800
    Event code 54 (ABS_MT_POSITION_Y)
      Value      0
      Min        0
      Max      480
Properties:
Testing ... (interrupt to exit)
Event: time 1435662727.929634, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 200
Event: time 1435662727.929634, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 497
Event: time 1435662727.929634, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 69
Event: time 1435662727.929634, type 3 (EV_ABS), code 50 (ABS_MT_WIDTH_MAJOR), value 1
Event: time 1435662727.929634, ++++++++++++++ SYN_MT_REPORT ++++++++++++
Event: time 1435662727.929634, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1
Event: time 1435662727.929634, -------------- SYN_REPORT ------------
Event: time 1435662727.947152, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 200
Event: time 1435662727.947152, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 497
Event: time 1435662727.947152, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 69
Event: time 1435662727.947152, type 3 (EV_ABS), code 50 (ABS_MT_WIDTH_MAJOR), value 1
Event: time 1435662727.947152, ++++++++++++++ SYN_MT_REPORT ++++++++++++
Event: time 1435662727.947152, -------------- SYN_REPORT ------------
Event: time 1435662727.964613, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 200
Event: time 1435662727.964613, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 497
Event: time 1435662727.964613, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 69
Event: time 1435662727.964613, type 3 (EV_ABS), code 50 (ABS_MT_WIDTH_MAJOR), value 1
Event: time 1435662727.964613, ++++++++++++++ SYN_MT_REPORT ++++++++++++
Event: time 1435662727.964613, -------------- SYN_REPORT ------------
Event: time 1435662727.982121, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 0
Event: time 1435662727.982121, ++++++++++++++ SYN_MT_REPORT ++++++++++++
Event: time 1435662727.982121, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0
Event: time 1435662727.982121, -------------- SYN_REPORT ------------