[Tinyos-devel] [Tinyos Core WG] TEP105: LowPowerListening DutyCycles

[Andreas Koepke]

Should we go ahead and define such an interface?

Philip Levis:
> 
> On May 19, 2008, at 3:17 AM, Vlado Handziski wrote:
> 
>>
>> The problem here is that the AM abstraction has traditionally been 
>> understood as a "best-effort" or unreliable single-hop service. Thats 
>> why the semantics of the result values are like they are. If we want 
>> to push a traditional LL/MAC stack organization below AM, these 
>> assumptions would need to be revisited, but this is the source of some 
>> of the confusion about the LPL control also.
> 
> That's right; if one wanted different sendDone semantics (e.g., SUCCESS 
> on ack), one could write a ReliableAMSend interface whose implementation 
> calls enableAck on the send downcall, and checks for wasAcked on the 
> event upcall, passing FAIL on the sendDone if it wasn't acked.
> 
> Phil