Example for Extended advertisement receive node

[Ashishsult]

Hi, 

I am using nrf SDK 1.9.0 and want to receive extended advertisements on a device (nrf52832) but I didn't got any example. Do you have any sample? 

[Ashishsult]

Hi Hung,

Thanks for the code and verification. I see I have the same output. However to understand it better with compare to periodic_adv example, I see we need to add filtering using bt_scan_filter_add() and you added it based on UUID.

So, I have one question:

1) Why do we need this filtering? Is it not possible to get a message call back for all the messages received by this device? And can we just send the BT_DATA(BT_DATA_MANUFACTURER_DATA, mfg_data, 40) in the advertisement (similar to periodic_adv example) without the filtering?

[Hung Bui]

Hi Ashish, 

The scan filter was there in the original code so I didn't modify it. The reason I kept the filter code is that there are many advertisers in my work so I need some filter otherwise I won't be able to see the advertising packet I want to see. 

If you don't plan to use a filter you can use "scan_filter_no_match" callback. 
I have a blog post here that you may want to have a look. Quoted from the blog: 

If you are scanning without filter, then you need to define a "scan_filter_no_match" callback and you will receive a call back for every single advertising packet received. 

[Ashishsult]

Hi Hung,

I worked with your code and this works fine.

However, when I want to use Zephyr Controller by enabling CONFIG_BT_LL_SW_SPLIT=y

The device is unable to start the scan and fails at bt_hci_cmd_send_sync() returning -EIO.

Is there a way I can use the Zephyr controller enabled scanner?

[Hung Bui]

Hi Ashish, 
As far as I know, the Zephyr Controller doesn't fully support extended advertising. So using Nordic's controller would be the only option for now.