LED Drive Test
Control the lights D39, D40 and D3 on the development board through terminal commands input.
- Turn on/off System heartbeat Light (D3):
# echo 1 > /sys/class/leds/sys_led/brightness
# echo 0 > /sys/class/leds/sys_led/brightness
- Turn on/off user_led0 (D39):
# echo 1 > /sys/class/leds/user_led0/brightness
# echo 0 > /sys/class/leds/user_led0/brightness
- Turn on/off user_led1 (D40):
# echo 1 > /sys/class/leds/user_led1/brightness
# echo 0 > /sys/class/leds/user_led1/brightness