I had a question on the return value of the send interface. The signal sendDone (called after the send command on the AMSend is called) returns an error value. The error value is SUCCESS when the packet is sent on the air. It returns a failure if the stack was not able to transmit the packet (even after multiple backoffs).
My question is that whenever a packet is sent the stack waits for the ACK before signalling a SUCCESS. If the ACK is not received received than does it return a FAILURE or since the packet has been successfully sent after a certain period of time it just returns SUCCESS ?
Thanks,
Avinash
--
Phd Dept. of Electrical Engineering
University of Southern California
http://www-scf.usc.edu/~asridhar
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