BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE

#define BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE   (BLE_GAP_ADV_FLAG_LE_GENERAL_DISC_MODE | BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED)

#include <ble_gap.h>

LE General Discoverable Mode, BR/EDR not supported.