Hi all,

I am currently using Micaz sensor platform and TinyOS 2.0.1 to test the Packet Link layer of CC2420 radio stack.

CC2420 includes hardware support for transmitting acknowledge frames, which is hardware auto acknowledgement if we were to use the interface 'PacketAcknowledgement'. Am I right?

By default, does the packet link layer employ hardware or software acknowledgement? Based on the code file 'PacketLinkP.nc', the packet link layer still uses the interface 'PacketAcknowledgement'. If it is software ack, where is the implementation code? And in the software ack, can I add some data payload on it?

Thanks very much and regards,

Shuo

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