Other Parts Discussed in Thread: CC2538, CC2650, Z-STACK
Hi team ,
We are currently developing a system which using ZED(CC2650) and ZC(CC2538) developed on ZSTACK 1.2.2HA.
This inquiry is actually related to my previous post below
Issue overview: ZED and ZC binding were successful and data packet were sending and receiving normally at first
but after a few days passed ZED stop sending data packet (measurement data).
We finally managed to reproduce the issue.
The system is placed in a room with quite unstable zigbee connection. We managed to capture the data packets when zigbee connection lost and found out things as mentioned below:
ZED and ZC binding in EZ-MODE. In the beginning, the data packets were sending and receiving successfully.
Zigbee connection lost occurred, the simplified data packet events were as in attached image below.
(refer attached ubiqua log date July 17th 15:21:05 , packet ID : 8162 onwards)
ZED sent Rejoin Request for 3 times but there was no response from the ZC,
when finally at Rejoin Request (4) there is a Rejoin Response from ZC but ZED only sent measurement packet once then connection became lost again .
After that ZED started to send Association Request and ZC sent Association Response but there was no measurement packet onwards.
When ZED and ZC restarted simultaneously, ZED starts to send data packet as usual.
ZED config file (f8wconfig.cg) is as below:
-DMAX_POLL_FAILURE_RETRIES = 2
Here, we also would like to know:
・In the z stack developer’s guide it is stated that when Rejoin failed , the network key is deleted . In this case, does the network key is deleted?
・In what kind of situation does ZED usually send Association Request? Will ZED send it when the network key is unavailable?
・Is there any method to detect in both ZED and ZC when the network key is deleted?
・Can we increase the number of retry for Rejoin Request?
Any help would be appreciated .