GSM flow-control non-functional on GTA01 (and possibly GTA02)
Flemming Richter Mikkelsen
quatrox at gmail.com
Mon Apr 28 22:24:36 CEST 2008
On 4/28/08, Flemming Richter Mikkelsen <quatrox at gmail.com> wrote:
> On 4/28/08, Andy Green <andy at openmoko.com> wrote:
> > The FIQ is only lightly used actually, so as not to eat power the bulk
> > of the time no FIQs occur. Only when we want to do something like read
> > the battery state it runs a timer to cause FIQs. At all other times it
> > doesn't hurt if the FIQ source is something different since no timer
> > events will come.
> This sounds strange to me. Why do we use FIQ to run a timer when we
> have RTC and why is this needed for reading the battery state? I think
> this can be solved in other ways.
Sorry, I was misreading.
Let me refrase my question:
Why do we run a timer to create FIQs? Is this really necessary?
Please don't send me Word or PowerPoint attachments.
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