Difference between revisions of "IoTGateway/BSP/Android/Gettingstarted/How to configure Capacitive Multi-touch Display"

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The ''getevent''  tool runs on the device and provides information about input devices and a live dump of kernel input events.
 
The ''getevent''  tool runs on the device and provides information about input devices and a live dump of kernel input events.
−
 
−
Unexport GPIO 27
 
 
<pre># getevent -lt
 
<pre># getevent -lt
 +
[  78826.389007] EV_ABS      ABS_MT_TRACKING_ID  0000001f
 +
[  78826.389038] EV_ABS      ABS_MT_PRESSURE      000000ab
 +
[  78826.389038] EV_ABS      ABS_MT_POSITION_X    000000ab
 +
[  78826.389068] EV_ABS      ABS_MT_POSITION_Y    0000025b
 +
[  78826.389068] EV_ABS      ABS_MT_SLOT          00000001
 +
[  78826.389068] EV_ABS      ABS_MT_TRACKING_ID  00000020
 +
[  78826.389068] EV_ABS      ABS_MT_PRESSURE      000000b9
 +
[  78826.389099] EV_ABS      ABS_MT_POSITION_X    0000019e
 +
[  78826.389099] EV_ABS      ABS_MT_POSITION_Y    00000361
 +
[  78826.389099] EV_SYN      SYN_REPORT          00000000
 +
[  78826.468688] EV_ABS      ABS_MT_SLOT          00000000
 +
[  78826.468688] EV_ABS      ABS_MT_TRACKING_ID  ffffffff
 +
[  78826.468719] EV_ABS      ABS_MT_SLOT          00000001
 +
[  78826.468719] EV_ABS      ABS_MT_TRACKING_ID  ffffffff
 +
[  78826.468719] EV_SYN      SYN_REPORT          00000000
 
</pre>
 
</pre>
−
 
−
 
  
 
==== Test[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=IoTGateway/BSP/Android/Gettingstarted/How_to_use_GPIO&action=edit&section=6 edit]] ====
 
==== Test[[http://ess-wiki.advantech.com.tw/wiki/index.php?title=IoTGateway/BSP/Android/Gettingstarted/How_to_use_GPIO&action=edit&section=6 edit]] ====

Revision as of 04:06, 3 February 2017

HID interface

  • Enable HID in menuconfig

Device Drivers --->

Input device support --->
<*> Event interface
Miscellaneous devices --->
<*> User level driver support
HID Devices --->
[*] /dev/hidraw raw HID device support
Special HID drivers --->
<*> HID Multitouch panels


copy and rename .config to arch/arm/configs/imx_v7_android_defconfig<code></code>

Test

The getevent  tool runs on the device and provides information about input devices and a live dump of kernel input events. 

# getevent -lt
[   78826.389007] EV_ABS       ABS_MT_TRACKING_ID   0000001f
[   78826.389038] EV_ABS       ABS_MT_PRESSURE      000000ab
[   78826.389038] EV_ABS       ABS_MT_POSITION_X    000000ab
[   78826.389068] EV_ABS       ABS_MT_POSITION_Y    0000025b
[   78826.389068] EV_ABS       ABS_MT_SLOT          00000001
[   78826.389068] EV_ABS       ABS_MT_TRACKING_ID   00000020
[   78826.389068] EV_ABS       ABS_MT_PRESSURE      000000b9
[   78826.389099] EV_ABS       ABS_MT_POSITION_X    0000019e
[   78826.389099] EV_ABS       ABS_MT_POSITION_Y    00000361
[   78826.389099] EV_SYN       SYN_REPORT           00000000
[   78826.468688] EV_ABS       ABS_MT_SLOT          00000000
[   78826.468688] EV_ABS       ABS_MT_TRACKING_ID   ffffffff
[   78826.468719] EV_ABS       ABS_MT_SLOT          00000001
[   78826.468719] EV_ABS       ABS_MT_TRACKING_ID   ffffffff
[   78826.468719] EV_SYN       SYN_REPORT           00000000

Test[edit]

<code>$ getevent -lt

[   78826.389007] EV_ABS       ABS_MT_TRACKING_ID   0000001f
[   78826.389038] EV_ABS       ABS_MT_PRESSURE      000000ab
[   78826.389038] EV_ABS       ABS_MT_POSITION_X    000000ab
[   78826.389068] EV_ABS       ABS_MT_POSITION_Y    0000025b
[   78826.389068] EV_ABS       ABS_MT_SLOT          00000001
[   78826.389068] EV_ABS       ABS_MT_TRACKING_ID   00000020
[   78826.389068] EV_ABS       ABS_MT_PRESSURE      000000b9
[   78826.389099] EV_ABS       ABS_MT_POSITION_X    0000019e
[   78826.389099] EV_ABS       ABS_MT_POSITION_Y    00000361
[   78826.389099] EV_SYN       SYN_REPORT           00000000
[   78826.468688] EV_ABS       ABS_MT_SLOT          00000000
[   78826.468688] EV_ABS       ABS_MT_TRACKING_ID   ffffffff
[   78826.468719] EV_ABS       ABS_MT_SLOT          00000001
[   78826.468719] EV_ABS       ABS_MT_TRACKING_ID   ffffffff
[   78826.468719] EV_SYN       SYN_REPORT           00000000
</code>
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