RE: Sleepy End Device in Zigbee polling parent to often

Marjeris Romero — Thu, 16 May 2019 09:13:43 GMT

Hi Darwand,

The zb_set_keepalive_timeout is used to configure how often the keep alive messages are sent. The end device will sent a periodic keep alive message to their router parent to ensure they remain in the router's neighbor table. This is configured independely from the data polling mechanism.

To change the data polling intervall you need to use zb_zdo_pim_set_long_poll_interval(zb_time_t ms). The default value for long poll interval is 5 seconds. You need to change this value as well if you want your sleepy end device to poll less frecuently from his parent.

So to summarize polling interval defines when to poll data from parent, while keep alive is used for mantaining the connection with the parent. More info in the infocenter here and here.

Best regards,

Marjeris