Until the date, I've been working with IPv6,gcoap and Mulle devices, but I 
would like to know if I could send from the device a GET to an IPv4 address.  I 
read that it's not supported by RIOT, but I found some library IPv4, I tried to 
use and it's not working.

someone knows more about the use of IPv4 in RIOT?

Thank you all, Cristina.

De: users <users-boun...@riot-os.org> en nombre de Ken Bannister 
Enviado: martes, 30 de enero de 2018 16:18:41
Para: users@riot-os.org
Asunto: Re: [riot-users] gcoap and DTLS

Thanks, Joakim. I have created a similar example, although it's not in the 
repository examples collection. For anyone interested, check out the, "gcoap 
presentation" thread on the ML from last October [1]. It references the data 
collection application as well as a presentation and video I created about it.


[1] https://lists.riot-os.org/pipermail/users/2017-October/thread.html

On 01/30/2018 02:52 PM, Joakim Nohlgård wrote:
I think an example with an observable, periodic resource would be a useful 
addition to the example collection. The periodic resource could be simply 
sending the xtimer_now value or adc_read or similar periodically every 5 
seconds or something to show how to set up periodic notifications in gcoap.
Without looking at the code I guess it would be driven by xtimer to provide 
events to the gcoap observable resource event loop.

Best regards, Joakim

On Jan 30, 2018 3:21 PM, "Ken Bannister" 
<kb...@runbox.com<mailto:kb...@runbox.com>> wrote:
Hi all,

Recently I received private mail with some specific questions about gcoap and 
DTLS. Responses below.

There is a work-in-progress pull request for integration of DTLS and gcoap, 
#7177. There is good discussion in there about the best way to integrate DTLS 
generically with RIOT's sock networking.

RIOT's master branch includes support for the Observe extension for 
non-confirmable messaging. There is an open PR for integration with confirmable 
messaging, #7548.

There also was a question about "periodic resources", but that's not part of 
the CoAP spec AFAIK. Certainly one could integrate a timer to periodically send 
Observe notifications.


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