Re: Raspberry Pi GPIO

2020-04-27 Thread Mark Kettenis
> 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



Re: Raspberry Pi GPIO

2020-04-27 Thread 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@