I am Pratyush Tottempudi, a newbee to TinyOS. Even earlier, you have
clarified some doubts for me.

I have a small doubt regarding Collection Protocol example given in the
TinyOS tutorials. In the example *(EasyCollectionC.nc)* present in this
link 
"*http://tinyos.stanford.edu/tinyoswiki/index.php/Network_Protocols#Collection
<http://tinyos.stanford.edu/tinyoswiki/index.php/Network_Protocols#Collection>*",
when it is executed with 4 nodes I am getting the following output.

DEBUG (0): Node (0) booted.
DEBUG (1): Node (1) booted.
DEBUG (2): Node (2) booted.
DEBUG (3): Node (3) booted.
DEBUG (4): Node (4) booted.
DEBUG (0):  Node (0) sent packet.
DEBUG (2):  Node (2) sent packet.
DEBUG (3):  Node (3) sent packet.
DEBUG (4):  Node (4) sent packet.

Using that example, I have used 5 nodes, and selected node 1 as the root.
Here all the other nodes are sending the data, but the root is not
receiving those packets. I added a debug statement in the Receive.receive
event, and that is also being displayed in simulation.

So can you please clarify me why the Receive event in the above mentioned
example *(EasyCollectionC.nc)* is not working. Is there any way we can make
the root receive all the messages from the other nodes.

Please clear my doubt.

Thanking You,
Pratyush Tottempudi.
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