> Date: Mon, 27 Apr 2020 12:33:24 +0100
> From: Stuart Henderson
>
> On 2020/04/26 12:56, Mark Kettenis wrote:
> > Diff below adds GPIO support to bcmgpio(4). It also adds the bits to
> > attach gpio(4) such that GPIO pins can be controlled from userland.
> > This makes sense on boards like the Raspberry Pi and the
> > implementation makes sure that pins used by kernel drivers can't be
> > touched.
> >
> > ok?
>
> Only tested with inputs so far, but works for me. OK sthen@
>
If you put:
/usr/sbin/gpioctl gpio0 42 set out led0
in /etc/rc.securelevel you can turn on the green LED with:
gpioctl gpio0 led0 on
Cheers,
Mark