DevKit8500D/A User Manual - DMCS Pages for Students
DevKit8500D/A User Manual - DMCS Pages for Students
DevKit8500D/A User Manual - DMCS Pages for Students
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oot@DevKit8500:# echo 1 > /sys/class/leds/user_led1/brightness<br />
root@DevKit8500:# echo 0 > /sys/class/leds/user_led1/brightness<br />
4) Control user_led2:<br />
root@DevKit8500:# echo 1 > /sys/class/leds/user_led2/brightness<br />
root@DevKit8500:# echo 0 > /sys/class/leds/user_led2/brightness<br />
The user pushes a LED with operation are to kill bright.<br />
3.8.1.2 KEYPAD Testing<br />
Board has two users keyboard USER1 USER2, users can and per<strong>for</strong>m the following command<br />
testing:<br />
root@DevKit8500:~# evtest /dev/input/event0<br />
Input driver version is 1.0.0evdev.c(EVIOCGBIT): Suspicious buffer size 511, limiting output<br />
to 64 bytes. See http://userweb.kernel.org/~dtor/eviocgbit-bug.html<br />
Input device ID: bus 0x19 vendor 0x1 product 0x1 version 0x100<br />
Input device name: "gpio-keys"<br />
Supported events:<br />
Event type 0 (Sync)<br />
Event type 1 (Key)<br />
Event code 1 (Esc)<br />
Event code 59 (F1)<br />
Testing ... (interrupt to exit)<br />
Event: time 44.232697, type 1 (Key), code 59 (F1), value 1<br />
Event: time 44.232697, -------------- Report Sync ------------<br />
Event: time 44.396515, type 1 (Key), code 59 (F1), value 0<br />
Event: time 44.396515, -------------- Report Sync ------------<br />
Event: time 45.219238, type 1 (Key), code 1 (Esc), value 1<br />
Event: time 45.219268, -------------- Report Sync ------------<br />
Event: time 45.358306, type 1 (Key), code 1 (Esc), value 0<br />
Event: time 45.358306, -------------- Report Sync ------------<br />
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