How I can add DFU over BLE feature to Mesh Node

[Giang]

Hi all,

I did not do mesh SDK for a long time. Now when I see SDK Mesh, I saw Low power Node example. It can run with Mesh network and update OTA by DFU buttonless (I don't want update OTA  via serial). So I want to ask : Can I add DFU buttonless for other mesh example similar to with Low Power Node. Such as Light switch client,server examles. 

Thank !!

[Joakim Jakobsen]

Hi. 

Can I add DFU buttonless for other mesh example similar to with Low Power Node. Such as Light switch client,server examles.

Yes, that should be possible. 

Note that currently we don't have an integrated option to have both Mesh DFU and BLE DFU. You would need to choose one. So in your case if you only need to update the node via BLE, you can just flash the normal BLE DFU bootloader, and find a way to send the device to switch to DFU mode (either by a physical button , or buttonless via a Mesh command)  

There are also several threads on devzone discussing how to add Buttonless DFU to a Mesh example. 

Br, 
Joakim

[Giang]

Glad to hear you say, 

So I don't know How Bluetooth mesh examples organizes memory map and whether it is the same as the SDK BLE example.

Can you send me the memory map organization that mesh sdk uses ?

If it same SDK BLE, I can flash bootloader DFU and update it normal.

Thank you !!!

[Joakim Jakobsen]

Hi. 

You can find information about the Mesh DFU Protocol here: 

Mesh DFU protocol 

Best regards, 
Joakim

[Giang]

Thank for answer,

I saw your link. And I understand like this. I will flash Bootloader + Bootloader setting + SD + Mesh Application. After I can go to Boot via button from Mesh App and update normal. I can think of a mesh app like a normal app in the BLE SDK and run DFU. Right ?

Thank you !!!