[問題] Touch screen driver porting
Hi all,
我在 porting touch screen driver, 透過 adb shell getevent -l
可以得到 touch panel 的報點資訊如下。不過在實際的畫面上卻
看不到任何接收到點的現象,不管在主畫面或是可以用來畫圖的 App,
都沒有任何反應。
/dev/input/event1: EV_ABS ABS_MT_TRACKING_ID 0000013f
/dev/input/event1: EV_ABS ABS_MT_POSITION_X 00000457
/dev/input/event1: EV_ABS ABS_MT_POSITION_Y 000005f6
/dev/input/event1: EV_ABS ABS_MT_TOUCH_MAJOR 00000005
/dev/input/event1: EV_SYN SYN_MT_REPORT 00000000
/dev/input/event1: EV_SYN SYN_REPORT 00000000
/dev/input/event1: EV_ABS ABS_MT_TRACKING_ID ffffffff
/dev/input/event1: EV_SYN SYN_MT_REPORT 00000000
/dev/input/event1: EV_SYN SYN_REPORT 00000000
/dev/input/event1: EV_ABS ABS_MT_TRACKING_ID 00000140
/dev/input/event1: EV_ABS ABS_MT_POSITION_X 0000034f
/dev/input/event1: EV_ABS ABS_MT_POSITION_Y 0000051f
/dev/input/event1: EV_ABS ABS_MT_TOUCH_MAJOR 00000004
/dev/input/event1: EV_ABS ABS_MT_SLOT 00000001
...
開發平台的相關資訊:
Platform: PandaBoard ES RevB
Android : AOSP 4.2.2
Display : HDMI to LCD monitor(1280 x 1024)
Touch information:
add device 4: /dev/input/event1
bus: 0018
vendor 0000
product 0000
version 0000
name:
location:
id: ""
version: 1.0.1
events:
ABS (0003): 002f : value 0, min 0, max 9, fuzz 0, flat 0, resolution 0
0030 : value 0, min 0, max 15, fuzz 0, flat 0, resolution 0
0035 : value 0, min 0, max 1599, fuzz 0, flat 0, resolution 0
0036 : value 0, min 0, max 2559, fuzz 0, flat 0, resolution 0
0039 : value 0, min 0, max 65535, fuzz 0, flat 0, resolution 0
input props:
INPUT_PROP_DIRECT
----
想請教各位前輩,對於這個問題,我可以往哪個方向下去著手?
非常感謝您的任何建議。
Thanks.
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