Re: [riot-devel] GNRC with sleepy nodes

[Daniel Evans]

Issues #7743 and #7332 both discuss the problem.

Dan


> On Nov 20, 2017, at 12:13 PM, Robert Hartung  wrote:
> 
> Xtimer is not guaranteed to be based on timers that keep running in low power 
> modes. Therefore sleeping is not supported on most devices.
> 
> Am 20.11.2017 um 21:05 schrieb Francisco Molina:
>> >Hi,
>> >
>> >since the timers you mentioned are dependent on xtimer and since xtimer has
>> >some known issues with power management (what those are directly I can't
>> >say due to my own lack of knowledge there, some hardware person on this
>> >list might give you more detailed information on that) in the default
>> >configuration, sleeping is not currently possible with GNRC on
>> >ATSAMR21G18A-based
>> >platforms (at least, as I understand it in the default configuration).
>> 
>> >Cheers,
>> >Martine
>> 
>> What are the xtimer know issues with power management? I did a quick search 
>> at opened issues and coudln't find any directly realted to power management 
>> and xtimer. Could anyone expand on this? Thank you. Cheers!
>> 
>> Francisco
>> 
>> 
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>> 
> 
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Re: [riot-devel] GNRC with sleepy nodes

[Robert Hartung]

Xtimer is not guaranteed to be based on timers that keep running in low
power modes. Therefore sleeping is not supported on most devices.


Am 20.11.2017 um 21:05 schrieb Francisco Molina:
> >Hi,
> >
> >since the timers you mentioned are dependent on xtimer and since xtimer has
> >some known issues with power management (what those are directly I can't
> >say due to my own lack of knowledge there, some hardware person on this
> >list might give you more detailed information on that) in the default
> >configuration, sleeping is not currently possible with GNRC on
> >ATSAMR21G18A-based
> >platforms (at least, as I understand it in the default configuration).
>
> >Cheers,
> >Martine
>
> What are the xtimer know issues with power management? I did a quick
> search at opened issues and coudln't find any directly realted to
> power management and xtimer. Could anyone expand on this? Thank you.
> Cheers!
>
> Francisco
>
>
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> devel@riot-os.org
> https://lists.riot-os.org/mailman/listinfo/devel

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