How do I wait until a response come after data sent through UART module of nRF51822?

[Rifat Mahmud]

On a BLE_GAP_EVT_CONNECTED, I'll send some data to an attached microcontroller via UART. The code will expect a response of that data, all while being inside that BLE_GAP_EVT_CONNECTED switch block. Can anybody please share a code snippet to do that? Your help is greatly appreciated. Thanks in advance.

[Rifat Mahmud]

It would be great if you can point to an example where polling UART is demonstrated. As far as I am concerned, it'll go to another asynchronous event, when an incoming UART comes in. But, I want it to be inside the switch block.