how to make nrf52 board acting as scanner

[GANESHA]

I m using nrf52 board which is acting as advertiser and i m  want to read the RSSI value using the other nrf52 board can anyone help me with the code?

[awneil]

You already had that code - but were using it in a Peripheral:

devzone.nordicsemi.com/.../195019

And you were given a  link in that thread to an example which does what you require.

Have you looked at the SDK examples ?

https://devzone.nordicsemi.com/f/nordic-q-a/49006/regarding-ble_central-examples-and-ble_peripheral-example