Hi I’m working under tinyos 2 with tmote sky motes, and I’m trying to measure
the round trip time between two motes, I do this registering the time of a
message sent and the ACK respond of the receiver. I’m using the next components
App.PacketAcknowledgements -> AMSenderC;
App.RadioTimeStamping -> CC2420TransmitC;
async event void RadioTimeStamping.transmittedSFD(uint16_t time, message_t*
p_msg) { }
async event void RadioTimeStamping.receivedSFD( uint16_t time ) { }
call PacketAcknowledgements.requestAck( &pkt);
The receiver sends the acks and the sender receives them, but the problem is
that when the ack is received the RadioTimeStamping.receivedSFD event is never
signalled and I don’t get the stamp of the ACK. What is the problem whith the
RadioTimeStamp, why is it never signalled.
How can I fix it, or is there any other way to measure a round trip?
Thanks in advance
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