BLE mesh - Removing node from network

[Rob Johnson]

Is there a method to remove a node from the network using the current bt mesh stack? I've looked through device_state_manager.c but it appears to me that there are only functions that would be used to add information rather than removing one.

My use case needs a way to remove a node so it can be added to another network, or just reset to a default state so that it can be used in a different context.

[Rob Johnson]

Thanks Hung, I'm still trying to get a feel for the mesh stack and this is very helpful. Best regards, Rob.

[mike]

Hello sry for being noob here but I wonder:
I notice that the handle_node_reset() is now implemented in the server config file. But how do I trigger this callback? 

[Hung Bui]

Yes, it's implemented :) 

You should send a command from the configuration client to the server with CONFIG_OPCODE_NODE_RESET to reset the node (call config_client_node_reset() in config_client.c ). 

[mike]

wow fast response! thx its all clearing up for me now=)

[Johnny wu]

Hi Hung,

Mesh SDK: nrf5_SDK_for_Mesh_v1.0.1_src

Sample code: light switch server

Now, I try to remove node from mesh network on server side by using button event trigger, For example,  long push button over 15s, the server node will clear the configuration information and reset network state, when button is pressed, it will trigger the event handler mesh_node_configuration_reset() , but it is ASSERT when handling net_state_reset().  

void mesh_node_configuration_reset(void)
{
    /* Clear all the state. */
    access_clear();
    dsm_clear();
    net_state_reset();

    /* System reset */
    const config_server_evt_t evt = {.type = CONFIG_SERVER_EVT_NODE_RESET};
    app_evt_send(&evt);
}

while commiting the net_state_reset(), it is successful, but I don't think that this action is correct, because the network state(IV index and sequence number) don't clear, It seem that the cause of bearer layer event flag is not set, right ? How to fix it?

Best regards.