Contact_sensor例程入网后，重新上电，不会rejoin

Rory

你好，测试contact_sensor例程入网成功后，可以正常读到相应的cluster对应的属性。然后验证断电重新上电是否可以正常rejoin,但测试时不能正常rejoin，请问这是什么原因呢?难道例程不支持休眠设备断电吗?

TL_YB

你好，
例程是支持断电回连的。
可以在zbdemo_bdbInitCb()和zbdemo_bdbCommissioningCb()里面加一些打印追踪。

Rory

不行，换成switch例程就可以。贵司提供的例程为什么不好好测试一下呢

wes58

One of the reasons that I had in the past was power supply (battery) level was to low. If the power supply is detected as low, it joins the network but it doesn't save information to flash. So it works fine until you turn the power off. After turning the power off I had to rejoin it again.
The symptoms I had that every time I rejoined the the network I had different IEEE address - which should be the same but only network address will be different.
Because the problem I had was on the router device, when I read the flash where IEEE address is stored, I read only FFFFFFFFFFFFFF. This indicated that the flash memory is not written to. With the end device you can't read flash so it is harder to see.