1CONFIG_BT=y 2CONFIG_BT_CENTRAL=y 3CONFIG_BT_SMP=y 4CONFIG_BT_GATT_CLIENT=y 5 6CONFIG_BT_BUF_ACL_RX_SIZE=255 7CONFIG_BT_BUF_ACL_TX_SIZE=251 8CONFIG_BT_BUF_CMD_TX_SIZE=255 9CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255 10 11CONFIG_BT_L2CAP_TX_MTU=247 12 13CONFIG_LOG=y 14