[Community] GTA04 - Power management improvements

Neil Jerram neil at ossau.homelinux.net
Wed Jan 29 13:59:37 CET 2014


On 2014-01-29 09:45, Dr. H. Nikolaus Schaller wrote:
> Am 29.01.2014 um 10:38 schrieb Neil Jerram:

>>  Is the modem-poweroff.sh script also useful for the A3?
> 
> Unfortunately no. The A3 board had an unfixable design flaw (it was
> our first variant that worked almost)
> that prevented us to turn off the modem. Unless somebody finds a
> hidden AT command with the same
> effect (I just know AT_ORESET but that keeps it powered on) and a
> method to wake it up again.

With apologies for raking up an old issue...

I guess AT+CFUN=0 might help.  Did anyone with an A3 ever try that and 
measure subsequent power consumption?  (I did some searching and didn't 
find any report about this.)

Thanks,
      Neil




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