RE: S120 - incomplete advertising data (no service data, name)

Mathew Juzwiak — Tue, 10 Mar 2015 08:35:21 GMT

That's it, thank You!

RE: S120 - incomplete advertising data (no service data, name)

Stefan Birnir Sverrisson — Mon, 09 Mar 2015 13:35:30 GMT

Have you examined if you can receive the scan response packet as a second packet? To get scan response packets, I assume you need to set

m_scan_param_active = 1

before scan start.

RE: S120 - incomplete advertising data (no service data, name)

ta2 — Thu, 05 Mar 2015 20:17:11 GMT

In your application on the nRF51 are you setting up for Active Scanning or Passive Scanning?

Passive Scanning will only get you the first (up to) 31 bytes of advertising data that are in the main advertising packet.

If you are Active Scanning, your Central/Observer will follow up the receipt of an advertising packet by sending a SCAN_REQ(uest). The SCAN_RSP (response) will contain up to an additional 31 bytes of advertising data.

The iBeacon spec which calls for a Flags element and an iBeacon format Manufacturer Specific Data element eats up all but one byte of the main advertising packet. A SCAN_REQ/SCAN_RSP sequence is required to get the rest of the data if it exists.

As I recall, if the Peripheral/Broadcaster is responding to Scan Requests and has Scan Response data defined you will get a two events: one for the main advertising packet and one for the secondary packet.

BTW, Master Control Panel does Active Scanning...

Cheers!

--- ta2