Yes it is possible. Gerald
On Wed, May 7, 2014 at 2:59 PM, ags <[email protected]> wrote: > I've read about capes that offer batteries to operate the BBB during power > interruptions. I've read that there is a RTC in the SoC, but software does > not support powering with a button cell. I see there is a PMIC onboard, as > well as solder pads to allow attachment of a battery. I've also read that > improperly powering-down the BBB can result in corrupt data/OS/eMMC/uSD. > > My question: shouldn't it be possible to add just a tiny Li Ion battery > using the solder pads, and with minor modifications (in userland?) sense > when 5v power has been removed (USB client or 5v barrel jack), and then > initiate an orderly, but immediate, shutdown? The small battery would be > enough for the few seconds until full power down, preventing any memory > corruption. > > This seems so simple I must be missing something. My goal is to be able to > have my BBB project on a timer. Power will be applied/removed based on a > rough schedule, an external RTC will provide correct time, and cron will be > used to run what's needed. When power is removed, the system would be > properly stopped. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
