Time scheduling of ble mesh nodes

[shawLyu]

Hi, I'm using mesh_ SDK and nrf52840, I want to know whether the relay node in a BLE Mesh can wake up at a specified time to receive or send packets, and sleep the rest of the time. In particular, how to schedule the time of receiving and sending packets so that they can communicate synchronously instead of flooding? If so, which APIs need to be modified?

Thanks.

[Mttrinh]

Hi,

To enable broadcast-based communication, the devices must continuously keep their radio in listening mode. So you shouldn't put relay nodes into sleep mode. I suggest you take a look into the Low Power Node feature instead, relevant documentation can be found here:

Low Power node feature

Integrating Low Power node feature

Low Power node example

[shawLyu]

OK thank you, but I still want to know if there are APIs for modifying the wake-up and sleep time of the radio in BLE Mesh. If so, where are they?

[Mttrinh]

I suggest you have a look at this post.