Eurotech BoltGATE 20-25, Руководство пользователя

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BoltGATE 20-25 User Manual Rev. 1-1 10 How to Access the Interfaces Under Linux
10.10 LED Indicators
The BoltGATE 20-25 exposes the LED indicators as follows:
l
User 1: Green:
/sys/class/leds/led1-green
Amber:
/sys/class/leds/led1-amber
l
User 2: Green:
/sys/class/leds/led2-green
Amber:
/sys/class/leds/led2-amber
You can manage User 1 and User 2 only. Other LEDs are reserved.
10.10.1 How to Drive a LED
Each LED is managed by its respective GPIO.
To turn ON/OFF a LED (for example LED User 2), enter the following commands:
#turn led on green
echo 1 > /sys/class/leds/led2-green/brightness
#turn led off
echo 0 > /sys/class/leds/led2-green/brightness
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