[Tinyos Core WG] Re: CC2420 stack

David Moss dmm at rincon.com
Thu Feb 8 20:19:24 PST 2007


Just an update on the micaz radio rebooting node problem -

The micaz radio node reboot problem occurs intermittently 
on receiver-only motes, but not transmit-only motes.

I have an application (attached) located in 
tinyos-2.x-contrib/rincon/apps/tests/RadioReliabilityTest 
that demonstrates the issue.  If you program one micaz up 
with that app with ID 0, it becomes a transmit-only node. 
 Every other address is receive-only.  By running 
'listen', you can see when the mote reboots because a 
dummy packet is sent to serial on boot.

Below is the rebooting output I'm seeing from a 
receive-only micaz, so you can see how intermittent the 
issue is.  Note that receive-only telosb's never have this 
problem.


Thu Feb 08 20:49:52 MST 2007:
BOOT

Thu Feb 08 20:50:06 MST 2007:
BOOT

Thu Feb 08 20:50:32 MST 2007:
BOOT

Thu Feb 08 20:50:58 MST 2007:
BOOT

Thu Feb 08 20:50:59 MST 2007:
BOOT

Thu Feb 08 20:51:37 MST 2007:
BOOT

Thu Feb 08 20:51:39 MST 2007:
BOOT

Thu Feb 08 20:51:53 MST 2007:
BOOT

Thu Feb 08 20:53:49 MST 2007:
BOOT

Thu Feb 08 20:55:42 MST 2007:
BOOT

Thu Feb 08 20:55:57 MST 2007:
BOOT

Thu Feb 08 20:56:30 MST 2007:
BOOT



-David
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