How to utilize led(4)?

[Adrian Chadd]

What's gpioctl show? It should show each of the gpio pins.



-adrian

On 8 March 2016 at 10:25, Eugene Grosbein <eugen at grosbein.net> wrote:
> Hi!
>
> My TL-WDR3600 has this:
>
> # ls -l /dev/led
> total 0
> crw-------  1 root  wheel  0x27 Mar  9 01:00 QSS
> crw-------  1 root  wheel  0x26 Mar  9 00:59 SYSTEM
> crw-------  1 root  wheel  0x23 Mar  9 01:00 USB1
> crw-------  1 root  wheel  0x24 Mar  9 00:59 USB2
> crw-------  1 root  wheel  0x25 Mar  9 01:01 WLAN2G
>
> I've read led(4) manual page and tried to make some LEDs turn on or off:
>
> echo -n 1 > /dev/led/QSS
> echo -n 0 > /dev/led/QSS
> echo -n 1 > /dev/led/WLAN2G
> echo -n 0 > /dev/led/WLAN2G etc.
>
> But no one LED changed its state. How do I manage them?
> I would like to make some LED blink while performing version upgrade, for example.
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