CC2530: Continuous Network Joining until Network Found

Which Z-Stack version do you use in this test?

Dear Yikai,

I am using the latest verison Z-Stack 3.0.1.

I suppose you can do bdb_StartCommission to do this.

Dear Yikai,

I have already used in during initialization as follows:

//Find New network if not already in some network
if(ZDOInitDevice(0) == ZDO_INITDEV_RESTORED_NETWORK_STATE)
{
bdb_StartCommissioning(BDB_COMMISSIONING_REJOIN_EXISTING_NETWORK_ON_STARTUP);
}
else
{
bdb_StartCommissioning(BDB_COMMISSIONING_MODE_NWK_STEERING | BDB_COMMISSIONING_MODE_NWK_FORMATION | BDB_COMMISSIONING_MODE_FINDING_BINDING);
}


but it does not continuously remain in network discovery state.

I suppose you have to create a periodic event to check if device state is already joining a network, if not, you should keep calling bdb_StartCommissioning to let device sending beacon requests.

Dear Yikai,

Thanks for the suggestion I will implement this and test it.

But does the Z-Stack have some configuration that we can use to perform same action?

As I know, no.

Dear Yikai,

Thank you for the help.

Dear Yikai,

Could you please verify if this is right way of checking the device is joining the network:

if ( events & NWK_RETRY_EVT )
{
if(ZDOInitDevice(0) != ZDO_INITDEV_RESTORED_NETWORK_STATE)
{
bdb_StartCommissioning(BDB_COMMISSIONING_MODE_NWK_STEERING | BDB_COMMISSIONING_MODE_NWK_FORMATION | BDB_COMMISSIONING_MODE_FINDING_BINDING);
}

osal_start_timerEx( zclEndDevice_TaskID, NWK_RETRY_EVT , 5000 );
return ( events ^NWK_RETRY_EVT );
}

Just think about a point in Z-Stack 3.0.1. If a router cannot join a Zigbee network, it would turn itself into distributed network router. So, you might need to disable this part.

Dear Yikai,

How to disable it? is there any callback for that?

I never do that before.

OHK. Is there a way to check if device has already joined the network?

You can refer to the code in ZDO_STATE_CHANGE.

Dear Yikai,

Is there any example that I can refer to for this ZDO_STATE_CHANGE, because I have already used but have not covered this part.

Dear Ryan,

Thank you very much for the help.

I would like to understand more about how BDB Router Distributed network configures and how it works. For this is there any documentation I can refer to?