/* function to register callback to be called when device gets connected  */
void register_ble_connected_event_cb(ble_gap_event_callback_t connected_cb_fn)
/* function to register callback to be called when device gets connected  */
void register_ble_connected_event_cb(ble_gap_event_callback_t connected_cb_fn)
{
	ble_connected_cb = connected_cb_fn;
}