Hi,
I use uart and radio on TelosB and I have the same problem. A mote
should receive a radio packet, extract some data and forward it to
computer. When packets are sent by only one transmitter and arrive
infrequently (say one packet per second) everything is all right, the
mote receives packets, transfers them to computer and computer receives
correct data. When additional transmitters send their packets (not
intended for the uart-using mote, i.e. address recognition should fail
in such a case) computer receives some garbage instead of correct data.
Now I use TinyOS 2.x. As far as I remember there was no such problem in
TinyOS 1.x applications.
Probably, this is not very good solution, what I have applied: the
mote collects packets and stores data in the memory, then (when there is
no longer any radio communication) it can calmly send the data via uart
after I press the user button. May be the right thing to do is to reduce
uart baud rate.
Anton.
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