Hi David, It was nice of you that you helped me with the information on blackbook. However there seems to be problem galore ;)
1. PacketLink I tried using the PacketLink interface in one of my apps and it fails to receive the acks. Previously, I was using the PacketAcknowledgements interface and it was running absolutely fine. However, it seems that the wasDelivered(msg) event in PacketLink returns FALSE all the time. I tried testing the app TestPacketLink in \tinyos- 2.x\apps\tests\cc2420\TestPacketLink and the acks were never received and the Transmitter toggled led0 every 2 secs. Again, I tested the TestAcks in \tinyos-2.x\apps\tests\cc2420\TestAcks which uses the interface PacketAcknowledgements and this does gives positive results. 2. RadioBackoff I tested radiobackoff by having events in an app installed on two motes(A and B). I initialised the Initial Backoff times as 11 and 300 for both the motes resp. Now, I installed another app on another mote C which broadcasts and when A and B receive this broadcast they unicast their messages to C. It was expected that the message from mote B should be delayed by ~ 300 ms but I noted both the messages getting into C simultaneously. To be more clear on this aspect I recorded the events in a video and played at slower speeds but to no avail. The Leds on the mote C blink in 2~3 ms delay and I could not determine which packet went first. Would you be able to share some code in this regard. Thank you once again for all the help. Mayur -- Mayur Maheshwari([EMAIL PROTECTED]) "Karmanye Vadhikaraste Ma Phaleshu Kadachana, Ma Karma Phala Hetur Bhurmatey Sangostva Akarmani"
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