[riot-notifications] [RIOT] ng_at86rf2xx: Implement CSMA en/disable and setting retries (#3138)

Jonas R. notifications at github.com
Mon Jun 1 22:45:00 CEST 2015

yes, I guess making this option configurable is a good idea. 

I actually think it should be an ordinary NETCONF option. All devices that implements CSMA/backoff in hardware will be able to set this option. All other devices simply don't implement it and will automatically return -ENOTSUP by design. But we should clarify in the documentation, that this option is explicitly described as hardware-only function. If the option can not be set, the MAC layer has to handle the CSMA/backoff procedure. @haukepetersen do you agree?

To go further, this could even be an indication for the MAC layer to en/disable software CSMA/backoff.

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