I believe that convenience is exactly what the capes are for - not just mine.
-Ron On Wednesday, July 15, 2015 at 2:45:40 PM UTC-5, William Hermans wrote: > > *Hi all,* >> >> *My original reasoning behind the Power Cape was to get a 5V supply with >> a low quiescent "off" current and that could restart the BeagleBone on a >> scheduled timeout or external event. Using a 5V supply instead of the >> PMIC's battery interface also allows for using USB devices. The battery >> charger was added after the first prototype.* >> >> *As David pointed out, the INA219 allows system software to monitor the >> battery voltage & current and take appropriate action. DC "power good" >> from the charger is also available and can trigger power-up allowing the >> BeagleBone to restart when power is restored. The micro-controller does a >> few other things like RTC, WDTs, power-up retries, and holding reset during >> power-up intended to make the system more reliable for remote operation. >> The firmware is on Github if you need to customize behavior.* > > > All this can be done without using a cape. Whats more, using a single > msp430g2553, and a few GPIO's you can have all of that, plus a watchdog > reset, and whatever else you can dream up. > > So, I suppose the cape is just a matter of convenience. Which, there is > nothing wrong with that, and I've been accused many a time of coming up > with elaborate / extravagant solutions. When a simpler / easier one will do > . . . > > On Wed, Jul 15, 2015 at 9:54 AM, Marlon Cesar Pilonetto < > marlon.p...@gmail.com <javascript:>> wrote: > >> anyone knows how to completely disconnect the power management via >> operating system without adding any circuit in the BBB? >> >> >> Em quarta-feira, 15 de julho de 2015 12:05:44 UTC-3, Ron B. escreveu: >>> >>> Hi all, >>> >>> My original reasoning behind the Power Cape was to get a 5V supply with >>> a low quiescent "off" current and that could restart the BeagleBone on a >>> scheduled timeout or external event. Using a 5V supply instead of the >>> PMIC's battery interface also allows for using USB devices. The battery >>> charger was added after the first prototype. >>> >>> As David pointed out, the INA219 allows system software to monitor the >>> battery voltage & current and take appropriate action. DC "power good" >>> from the charger is also available and can trigger power-up allowing the >>> BeagleBone to restart when power is restored. The micro-controller does a >>> few other things like RTC, WDTs, power-up retries, and holding reset during >>> power-up intended to make the system more reliable for remote operation. >>> The firmware is on Github if you need to customize behavior. >>> >>> Hope this helps, >>> -Ron >>> >>> On Wednesday, July 15, 2015 at 8:54:17 AM UTC-5, Marlon Cesar Pilonetto >>> wrote: >>>> >>>> I am looking into the possibility of using the powercape, but otherwise >>>> one has no choice to help with the solution of the problem? >>>> >>>> Em quarta-feira, 15 de julho de 2015 08:55:16 UTC-3, David Goodenough >>>> escreveu: >>>>> >>>>> On Tuesday 14 July 2015 14:40:36 William Hermans wrote: >>>>> > Just out of curiosity. What is the attraction of a "battery cape" ? >>>>> I mean >>>>> > I can see the need for consistent power, and perhaps keeping this as >>>>> small >>>>> > as possible, but is that it ? >>>>> The main advantage if an integrated solution is that you get to >>>>> monitor the >>>>> supply and the battery from the manager chip. This way you can shut >>>>> yourself >>>>> down cleanly when the battery is about to give up, and go into power >>>>> save mode >>>>> when not running on the mains. >>>>> >>>>> How much of that this cape does I do not know. >>>>> >>>>> David >>>>> > >>>>> > I have always imagine using an "inline" power source such as a >>>>> regulated >>>>> > battery output to the barreljack, with a small inline mains to >>>>> battery >>>>> > charging circuit. But . . . yeah that's me. >>>>> > >>>>> > Anyway my comment is not meant to discourage, or discount other >>>>> avenues of >>>>> > thought. I'm simply curious. >>>>> > >>>>> > On Tue, Jul 14, 2015 at 10:23 AM, Colin Bester <bester...@gmail.com> >>>>> >>>>> > >>>>> > wrote: >>>>> > > Yup, that's what I do with the powercape from Andice Labs as >>>>> mentioned >>>>> > > above. Except for very low drain battery is essentially >>>>> disconnected. >>>>> > > >>>>> > > I initially went the route of trying to use the onboard battery >>>>> connector >>>>> > > but it's not really a decent solution if you want solid system and >>>>> battery >>>>> > > management. >>>>> > > >>>>> > > On Tuesday, July 14, 2015 at 12:12:03 PM UTC-5, Marlon Cesar >>>>> Pilonetto >>>>> > > >>>>> > > wrote: >>>>> > >> Lords am new to the BBB and what I need is to turn off the >>>>> battery >>>>> > >> management so that when my system is not connected to battery is >>>>> not >>>>> > >> consumed in its entirety. >>>>> > >> >>>>> > >>> -- >>>>> > > >>>>> > > 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 beagleboard...@googlegroups.com. >>>>> > > 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 beagleboard...@googlegroups.com <javascript:>. >> 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. 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