Yes I am sending to unicast address 0 which is the sink node.  and it is not working.

I found one other strange thing.  I programmed another mote with TOSBase without enabling ack. The Oscilloscope mote is able to send the packet as the normal TOSBase is able to receive it. But TOSBase with ack is not able to receive it. and yes the Oscilloscope is not yet receiving the ack.



Krisakorn Rerkrai <[EMAIL PROTECTED]> wrote:
Hi,

Make sure that you change the destination address from TOS_BCAST_ADDR to some specific address. ACK works with a unicast message.

-Krisakorn

On 8/9/06, Ravi Prasad <[EMAIL PROTECTED]> wrote:

Hi all,

I am trying to use ACK at MAC layer in micaz with Tinyos1.1.15. I went through the mail archive to get information on this reagards and tried the following method to check the ACK mechanism:

-Programmed one micaz with Oscilloscope modified to call MacControl.enableAck(); in stdcontrol.start. It blinks an led if(tosmsg->ack == 1)  showing ack reception.

-Programmed one micaz with TOSBase modified to call MacControl.enableAck(); in stdcontrol.start.


But now neither TOSBase is receiving from Oscilloscope nor Oscilloscope is receiving any ack.

Can any one tell how to use ack in micaz properly?

-regards

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