Wifi / let's have RF stuff powered with high current source all the time because...
joerg at openmoko.org
Mon Aug 25 22:22:43 CEST 2008
Am Mo 25. August 2008 schrieb Andy Green:
> Point taken about the GTA03+ module though -- it should take care of
> power switching inside the module boundary in a reliable way or the
> module is broken, so we presumably should be able to just use the module
> boundary power arrangements. But still I guess we learn about it during
> GTA03 EVB. There was that guy who saw his GTA02 battery consumption was
> stuck at 500mA on VB when he made no call, I really did not like to hear
> about it since only the GSM side TX stuff gets that hungry and it seemed
> there to be doing its own thing.
100% ACK about scariness of story.
Though this wasn't exactly for GSM-powerdown state IIRC. So it seems our
biggest problem these days (for GTA02 GSM at least) is serial communication
between CPU and calypso, including not resuming at all, unsolicited resume
A hung call wouldn't seem impossible to me.
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