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Can data be sent to a BLE GAP Peripheral at the time when a BLE GAP Central establish a connection to it?

Say, for example, I have a BLE peripheral programmed with S110 on nRF51822. When an Android app connects to it as a BLE GAP central(and becomes GATT client), can any data be sent with the connection packet so that I can perform an authentication?

Top Replies

RK over 9 years ago +2

No. The BLE connect process doesn't have any extra data with it, it's just a connect. You can whitelist addresses so that only certain centrals can connect, you can require authentication for the characteristics…
endnode over 9 years ago +1

All what RK said + you could use "resolvable private" Address feature which provides some sort of pre-authentication, although requires some effort and assumptions to implement it (see more details here…