Re: [Gumstix-users] Problems with Edge Detect

[Shelby R. <nov...@gm...>]

I'm also interested in this ability, although I have not been able to
enter s4 (I think cat /sys/power/state only shows s2 and s3. I
*believe* this means something needs to be down before it knows how to
use disk to "hibernate" )

On Mon, Feb 25, 2008 at 10:25 AM, Dave Hylands <dhy...@gm...> wrote:
> HI Chris,
>
>
>  >  >  I'm not sure what sleep state is what. The PXA270 docs mention sleep,
>  >  >  standby, and deep-sleep.
>  >  >
>  >  >  Only some of the GPIO pins will (0, 1, and 3) wake it from deep-sleep.
>  >  >  GPIO 13 will wake it from standby and sleep.
>  >
>  >  I've not done this myself, but was looking into it just yesterday.
>  >  Did you find the info on what GPIOs will wake the given sleep levels
>  >  in the pxa developer docs? If so, what chapter should I look in to
>  >  find that?
>
>  Section 24 - General Purpose I/O Controller, specifically at the
>  bottom of page 24-3.
>
>
>  --
>  Dave Hylands
>  Vancouver, BC, Canada
>  http://www.DaveHylands.com/
>
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