My software is supposed to be some userspace software that is turned on via
script when the board is fully on. Also in the end application I dont
connect power pin on ish slave connection.
Dnia 17 listopada 2014 15:53:37 Gerald Coley <[email protected]>
napisał(a):
That all depends on the state of the current SW configuration. My focus is
shutdown before SW even wakes up and has it's first cup of coffee, before
SW can make anything happen.
You first scenario is after SW has already run via the uBoot and done what
it needs to do.
Per the datasheet there may be issues detecting the battery when DC and USB
are connected. Check the datasheet for more information to see how it
affects you.
Gerald
On Mon, Nov 17, 2014 at 6:09 AM, Bremenpl <[email protected]> wrote:
> So you are saying that if I remove the main power supply while BeagleBone
> Black is turning on (like 7 seconds?) the safe shutdown wont occur?
>
> I have checked some scenarios:
> - Turn on BeagleBone Black with battery in and power supply. Then remove
> power supply before BeagleBone Black fully inits. If I do that the board
> wont turn off and I have to do it manualy after full init. I gues thats ok,
> I can check for power right after I turn on my program.
>
> - Second scenario is turning the board on with battery in and usb cable
> with power in. In this case BeagleBone Black keeps resseting after 2-3
> secs. Not sure whats happening here.
>
> W dniu 2014-11-17 o 12:58, Gerald Coley pisze:
>
>> As long as there is nothing that can cause the PMIC to shutdown before it
>> has completed the full power up cycle we are OK. It is the sitting down
>> before that process has completed is what concerns me.
>>
>> Gerald
>>
>> --
> Bremenpl
>
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Gerald
[email protected]
http://beagleboard.org/
http://circuitco.com/support/
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