329 lines
8.7 KiB
Plaintext
329 lines
8.7 KiB
Plaintext
# Bluetooth configuration options
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# Copyright (c) 2016 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig BT
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bool "Bluetooth"
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# Some BT threads use co-op priorities to implement critical sections,
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# will need some refactoring to work on SMP systems.
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depends on !SMP
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select NET_BUF
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help
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This option enables Bluetooth support.
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if BT
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module = BT
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module-str = bt
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source "subsys/logging/Kconfig.template.log_config"
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choice
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prompt "Bluetooth Stack Selection"
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default BT_HCI
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help
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Select the Bluetooth stack to compile.
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config BT_HCI
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bool "HCI-based"
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help
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HCI-based stack with optional host & controller parts and an
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HCI driver in between.
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config BT_CUSTOM
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bool "Custom"
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help
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Select a custom, non-HCI based stack. If you're not sure what
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this is, you probably want the HCI-based stack instead.
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endchoice
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# The Bluetooth subsystem requires the system workqueue to execute at
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# a cooperative priority.
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config SYSTEM_WORKQUEUE_PRIORITY
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range -256 -1
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if BT_HCI
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config BT_HCI_RAW
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bool "RAW HCI access"
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help
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This option allows to access Bluetooth controller
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from the application with the RAW HCI protocol.
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config BT_HCI_RAW_H4
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bool "RAW HCI H:4 transport"
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help
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This option enables HCI RAW access to work over an H:4
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transport, note that it still need to be selected at runtime.
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config BT_HCI_RAW_H4_ENABLE
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bool "RAW HCI H:4 transport enable"
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depends on BT_HCI_RAW_H4
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help
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This option enables use of H:4 transport for HCI RAW access at
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build time.
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config BT_HCI_RAW_RESERVE
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int "Buffer headroom needed for HCI transport"
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depends on BT_HCI_RAW
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default 1 if BT_HCI_RAW_H4
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default 0
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help
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This option is used by the HCI raw transport implementation to
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declare how much headroom it needs for any HCI transport headers.
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config BT_HCI_RAW_CMD_EXT
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bool "RAW HCI Command Extension"
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help
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This option enables HCI RAW command extension so the driver can
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register it own command table extension.
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config BT_PERIPHERAL
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bool "Peripheral Role support"
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select BT_BROADCASTER
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select BT_CONN
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default y if BT_HCI_RAW
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help
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Select this for LE Peripheral role support.
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config BT_CENTRAL
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bool "Central Role support"
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select BT_OBSERVER
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select BT_CONN
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default y if BT_HCI_RAW
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help
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Select this for LE Central role support.
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menu "Broadcaster"
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visible if !BT_PERIPHERAL
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config BT_BROADCASTER
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bool "Broadcaster Role support"
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default y if !BT_OBSERVER
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help
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Select this for LE Broadcaster role support.
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endmenu
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config BT_EXT_ADV
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bool "Extended Advertising and Scanning support [EXPERIMENTAL]"
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help
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Select this to enable Extended Advertising API support.
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This enables support for advertising with multiple advertising sets,
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extended advertising data, and advertising on LE Coded PHY.
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It enables support for receiving extended advertising data as a
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scanner, including support for advertising data over the LE coded PHY.
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It enables establishing connections over LE Coded PHY.
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if BT_EXT_ADV
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config BT_EXT_ADV_LEGACY_SUPPORT
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bool "Support starting advertising through legacy commands"
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help
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Select this to enable the use of the Legacy Advertising HCI commands.
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This option should be used where the capabilities of the controller
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is not known.
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If this option is not enabled the controller must support the extended
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advertising feature.
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config BT_EXT_ADV_MAX_ADV_SET
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int "Maximum number of simultaneous advertising sets"
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range 1 64
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default 1
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help
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Maximum number of simultaneous Bluetooth advertising sets
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supported.
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config BT_PER_ADV
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bool "Periodic Advertising and Scanning support [EXPERIMENTAL]"
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help
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Select this to enable Periodic Advertising API support. This allows
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the device to send advertising data periodically at deterministic
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intervals. Scanners can synchronize to the periodic advertisements
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to periodically get the data.
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config BT_PER_ADV_SYNC
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bool "Periodic advertising sync support [EXPERIMENTAL]"
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depends on BT_OBSERVER
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help
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Select this to enable Periodic Advertising Sync API support.
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Syncing with a periodic advertiser allows the device to periodically
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and deterministic receive data from that device in a connectionless
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manner.
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if BT_PER_ADV_SYNC
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config BT_PER_ADV_SYNC_MAX
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int "Maximum number of simultaneous periodic advertising syncs"
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range 1 64
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default 1
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help
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Maximum number of simultaneous periodic advertising syncs supported.
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endif # BT_PER_ADV_SYNC
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endif # BT_EXT_ADV
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menu "Observer"
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visible if !BT_CENTRAL
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config BT_OBSERVER
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bool "Observer Role support"
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help
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Select this for LE Observer role support.
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endmenu
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source "subsys/bluetooth/services/Kconfig"
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config BT_CONN
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bool
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config BT_MAX_CONN
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int "Maximum number of simultaneous connections"
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depends on BT_CONN
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range 1 64
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default 1
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help
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Maximum number of simultaneous Bluetooth connections
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supported.
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if BT_CONN
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config BT_HCI_ACL_FLOW_CONTROL
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bool "Controller to Host ACL flow control support"
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# Enable if building a Host-only build
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default y if !BT_CTLR && !BT_STM32_IPM && !BT_ESP32
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# Enable if building a Controller-only build
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default y if BT_HCI_RAW
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select POLL
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help
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Enable support for throttling ACL buffers from the controller
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to the host. This is particularly useful when the host and
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controller are on separate cores since it ensures that we do
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not run out of incoming ACL buffers.
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config BT_REMOTE_VERSION
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bool "Enable fetching of remote version"
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# Enable if building a Controller-only build
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default y if BT_HCI_RAW
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help
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Enable this to get access to the remote version in the Controller and
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in the Host through bt_conn_get_info(). The fields in question can
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be then found in the bt_conn_info struct.
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config BT_PHY_UPDATE
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bool "PHY Update"
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default y
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help
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Enable support for Bluetooth 5.0 PHY Update Procedure.
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config BT_DATA_LEN_UPDATE
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bool "Data Length Update"
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default y
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help
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Enable support for Bluetooth v4.2 LE Data Length Update procedure.
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endif # BT_CONN
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config BT_ISO
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bool "Bluetooth Isochronous Channel Support [EXPERIMENTAL]"
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depends on BT_CONN
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help
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Select this to enable Isochronous Channel support.
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if BT_ISO
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config BT_ISO_MAX_CHAN
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int "Maximum number of simultaneous ISO channels"
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depends on BT_ISO
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default BT_MAX_CONN
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range 1 64
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help
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Maximum number of simultaneous Bluetooth isochronous channels
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supported.
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config BT_ISO_TX_BUF_COUNT
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int "Number of Isochronous TX buffers"
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default 1
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range 1 255
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help
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Number of buffers available for outgoing Isochronous channel SDUs.
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config BT_ISO_TX_FRAG_COUNT
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int "Number of ISO TX fragment buffers"
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default 2
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range 0 255
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help
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Number of buffers available for fragments of TX buffers. Warning:
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setting this to 0 means that the application must ensure that
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queued TX buffers never need to be fragmented, i.e. that the
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controller's buffer size is large enough. If this is not ensured,
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and there are no dedicated fragment buffers, a deadlock may occur.
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In most cases the default value of 2 is a safe bet.
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config BT_ISO_TX_MTU
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int "Maximum supported MTU for Isochronous TX buffers"
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default 251
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range 23 4095
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help
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Maximum MTU for Isochronous channels TX buffers.
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config BT_ISO_RX_BUF_COUNT
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int "Number of Isochronous RX buffers"
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default 1
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range 1 255
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help
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Number of buffers available for incoming Isochronous channel SDUs.
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config BT_ISO_RX_MTU
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int "Maximum supported MTU for Isochronous RX buffers"
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default 251
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range 23 4095
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help
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Maximum MTU for Isochronous channels RX buffers.
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# TODO: Split between broadcaster and observer for optimization
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config BT_ISO_BROADCAST
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bool "Bluetooth ISO Broadcast Channels supported"
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select BT_EXT_ADV
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select BT_PER_ADV
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select BT_PER_ADV_SYNC
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help
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This option enables support for Bluetooth Broadcast
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Isochronous channels.
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if BT_ISO_BROADCAST
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config BT_ISO_MAX_BIG
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int "Maximum number of Broadcast Isochronous Groups (BIGs) to support"
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default 1
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help
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Maximmum number of BIGs that are supported by the host. A BIG can be
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used for either transmitting or receiving, but not at the same time.
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endif # BT_ISO_BROADCAST
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endif # BT_ISO
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source "subsys/bluetooth/common/Kconfig"
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source "subsys/bluetooth/host/Kconfig"
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source "subsys/bluetooth/controller/Kconfig"
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source "subsys/bluetooth/shell/Kconfig"
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endif # BT_HCI
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config BT_COMPANY_ID
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hex "Company Id"
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default 0x05F1
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range 0x0000 0xFFFF
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help
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Set the Bluetooth Company Identifier for this device. The Linux
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Foundation's Company Identifier (0x05F1) is the default value for
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this option although silicon vendors and hardware manufacturers
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can set their own. Note that the controller's Company Identifier is
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controlled by BT_CTLR_COMPANY_ID. The full list of Bluetooth
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Company Identifiers can be found here:
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https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers
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source "subsys/bluetooth/mesh/Kconfig"
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source "subsys/bluetooth/audio/Kconfig"
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endif # BT
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