Freerunner will be GTA02v5 or GTA02v6? (was: Fwd: Future Buttonand LED software spec)

steve steve at openmoko.com
Wed Apr 30 05:19:33 CEST 2008


See the wiki

its technically a component change. Also see earlier mails from tony on the
topid.

http://wiki.openmoko.org/wiki/Neo_FreeRunner_GTA02_Hardware#GTA02v6

-----Original Message-----
From: community-bounces at lists.openmoko.org
[mailto:community-bounces at lists.openmoko.org] On Behalf Of Tim Coggins
Sent: Tuesday, April 29, 2008 7:41 AM
To: List for Openmoko community discussion
Subject: Re: Freerunner will be GTA02v5 or GTA02v6? (was: Fwd: Future
Buttonand LED software spec)

Steve kindly emailed me on this issue and said:

"The A5 boards have been reworked to remove the [LED] issue. So WRT
LEDs a5 and a6 have the same power consumption".

Therefore you wouldn't need to dig out your soldering iron. Does
anyone know the other differences with power consumption are between
boards?

Tim



up OM software will eschew the frivoulous lighting of LEDs.

On Tue, Apr 29, 2008 at 2:58 PM, Crane, Matthew <mcrane03 at harris.com> wrote:
>
>  How complicated would surgery to fix this be?  Is it reasonable to
>  create a wiki page detailing hw fix?
>
>  Matt
>
>
>
>
>
>  -----Original Message-----
>  From: community-bounces at lists.openmoko.org
>  [mailto:community-bounces at lists.openmoko.org] On Behalf Of Andy Green
>  Sent: Tuesday, April 29, 2008 8:56 AM
>  To: List for Openmoko community discussion
>  Subject: Re: Freerunner will be GTA02v5 or GTA02v6? (was: Fwd: Future
>  Button and LED software spec)
>
>
>  -----BEGIN PGP SIGNED MESSAGE-----
>  Hash: SHA1
>
>  Somebody in the thread at some point said:
>
>  |>  | Is it possible to turn off these LEDs via Software?
>
>  |>  Yes, they're all controlled from the CPU and default to being off.
>
>  | Does this mean that they won't draw any power when they're turned off?
>
>  They won't draw any power when off... that part works as intended.
>
>  It's only when you turn them on, the transistor causes the CPU pin
>  itself to eat current itself due to an oversight.  The effect in
>  consumption terms is something as if you lit several LEDs instead of the
>  one, say.  But the LEDs come on and off as normal, are lit properly,
>  etc.
>
>  In normal use the LEDs aren't on much if at all, so it isn't anything
>  that would stop me getting an A5 personally.
>
>  - -Andy
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