[gta04] Meeting minutes for GTA04 discussion 20080411

Harald Welte laforge at openmoko.org
Mon Apr 14 21:08:19 CEST 2008

On Mon, Apr 14, 2008 at 07:10:11PM +0100, Andy Green wrote:
> | At least in GTA01/02, the issue is also that the CPU has to receive
> | things on the UART, so almost no dead time is allowed. This may be
> | similar also in GTA04, just with protocols that aren't quite as easy to
> | handle as UART (which the MPU could do just fine, of course).
> I'm not sure this is the case.  When I asked Erin and Sean Chiang about
> this they made it sound like the CPU is polling for status, not waiting
> for async response.  And that fits what I understood about the +++AT
> - -based command set of these things.  In that case, we are just
> periodically waking and polling from CPU and there is no issue.

please dont' try to design hardware fixes for something that sounds like
a software design or implementaiton problem (polling an UART for data)
- Harald Welte <laforge at openmoko.org>          	        http://openmoko.org/
Software for the world's first truly open Free Software mobile phone

More information about the openmoko-kernel mailing list