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How to synchronize units in DigiMesh network

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I have a network of 10 units consisting of XBee-Pro 900HP modules, operating in synchronized sleep mode.

Each unit processes some data every wake cycle and then sends a result via the XBee module to some main unit.
The main unit collects the results from all units and performs some additional processing.

For my application I must perform this processing on results which belong to the same wake cycle of all units. Since not all units begin to operate at the same time I can't use a simple counter/timer.

Since the XBee modules are already synchronized, Is there a way to get a clock or some other synchronization signal from them?

Thanks in advance
asked Sep 21, 2015 in DigiMesh Proprietary Mesh Networking by another digi user New to the Community (0 points)

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1 Answer

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Not that I am aware of. But you can use the On Sleep pin to know when the module wakes and the /CTS line to know when it can send and receive data.
answered Sep 21, 2015 by mvut Veteran of the Digi Community (15,195 points)