e03f9c3042
First implementation of periodic advertising sync filtering requires existence of Direction Finding Extension in Radio peripheral. To add the filtering support for other Nodric SOCs software based PDU traversing for CTEInfo should be implemented. In case there is no DFE in Radio peripheral, actual filtering is done in ULL. The commit provides necessary changes to previous solution. Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
186 lines
5.9 KiB
Plaintext
186 lines
5.9 KiB
Plaintext
# Zephyr Bluetooth Controller configuration options
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# Copyright (c) 2020 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config BT_CTLR_DF_SUPPORT
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bool
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select BT_CTLR_DF_CTE_TX_SUPPORT
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select BT_CTLR_DF_ANT_SWITCH_2US_SUPPORT
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select BT_CTLR_DF_ANT_SWITCH_1US_SUPPORT
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select BT_CTLR_DF_CTE_RX_SUPPORT
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select BT_CTLR_DF_CTE_RX_SAMPLE_1US_SUPPORT
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config BT_CTLR_DF_CTE_TX_SUPPORT
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bool
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config BT_CTLR_DF_CTE_RX_SUPPORT
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bool
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config BT_CTLR_DF_CTE_RX_SAMPLE_1US_SUPPORT
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bool
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config BT_CTLR_DF_ANT_SWITCH_2US_SUPPORT
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bool
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config BT_CTLR_DF_ANT_SWITCH_1US_SUPPORT
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bool
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config BT_CTLR_CTEINLINE_SUPPORT
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bool
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menuconfig BT_CTLR_DF
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bool "LE Direction Finding [Experimental]"
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depends on BT_CTLR_DF_SUPPORT
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help
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Enable support for Bluetooth 5.1 Direction Finding
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if BT_CTLR_DF
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# Basic controller functionalities required for implementation of
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# Bluetooth v5.1 Direction Finding
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config BT_CTLR_DF_CTE_TX
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bool "Enable transmission of Constant Tone Extension"
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depends on BT_CTLR_DF_CTE_TX_SUPPORT
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default y
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help
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Enable support for transmission of Constant Tone Extension in
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controller.
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config BT_CTLR_DF_CTE_RX_SAMPLE_1US
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bool "Enable reception of CTE with 1us sampling slots"
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depends on BT_CTLR_DF_CTE_RX_SAMPLE_1US_SUPPORT
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default y
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help
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Enable reception of Constant Tone Extension. Process IQ sampling
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during CTE reception with 1us sampling slots.
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This sampling mode is optional for Direction Finding according to
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Bluetooth v5.1.
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config BT_CTLR_DF_ANT_SWITCH_1US
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bool "Enable support for 1us antenna switch slots"
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depends on BT_CTLR_DF_ANT_SWITCH_1US_SUPPORT
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default y
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help
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Enable support for 1us antenna switching slots. This antenna switching
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mode is optional for Direction Finding according to Bluetooth v5.1.
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# Features related with Direction Finding
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# BT Core spec 5.1, Vol 6, Part B, sec. 4.6 Feature Support
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config BT_CTLR_DF_ANT_SWITCH_TX
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bool "Enable antenna switching during CTE transmission (AoD) feature"
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depends on BT_CTLR_DF_CTE_TX && BT_CTLR_DF_ANT_SWITCH_2US_SUPPORT
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default y
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help
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Enable support for antenna switching during CTE transmission.
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Also known as Angle of Departure mode.
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config BT_CTLR_DF_ANT_SWITCH_RX
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bool "Enable antenna switching during CTE reception (AoA) feature"
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depends on BT_CTLR_DF_CTE_RX && BT_CTLR_DF_ANT_SWITCH_2US_SUPPORT
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default y
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help
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Enable support for antenna switching during CTE reception.
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Also known as Angle of Arrival mode.
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config BT_CTLR_DF_CTE_RX
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bool "Enable reception of Constant Tone Extension feature"
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depends on BT_CTLR_DF_CTE_RX_SUPPORT
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default y
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help
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Enable support for reception of Constant Tone Extension in controller.
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config BT_CTLR_DF_CONN_CTE_REQ
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bool "Enable Connection CTE Request feature"
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depends on BT_CTLR_DF_CTE_RX && BT_CONN
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help
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Enable support for Bluetooth v5.1 Connection CTE Request feature
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in controller.
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config BT_CTLR_DF_CONN_CTE_RSP
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bool "Enable Connection CTE Response feature"
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depends on BT_CTLR_DF_CTE_TX && BT_CONN
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help
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Enable support for Bluetooth v5.1 Connection CTE Response feature
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in controller.
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config BT_CTLR_DF_ADV_CTE_TX
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bool "Enable Connectionless CTE Transmitter feature"
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depends on BT_CTLR_DF_CTE_TX && BT_CTLR_ADV_PERIODIC
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select BT_CTLR_ADV_EXT_PDU_EXTRA_DATA_MEMORY
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default y
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help
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Enable support for Bluetooth v5.1 Connectionless CTE Transmitter
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feature in controller.
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config BT_CTLR_DF_SCAN_CTE_RX
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bool "Enable Connectionless CTE Receiver"
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depends on BT_CTLR_DF_CTE_RX && BT_CTLR_SYNC_PERIODIC
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default y
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help
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Enable support for Bluetooth v5.1 connectionless CTE reception
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in controller.
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config BT_CTLR_DF_SAMPLE_CTE_FOR_PDU_WITH_BAD_CRC
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bool "Enable sampling of CTE for PDUs with bad CRC"
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depends on BT_CTLR_DF_SCAN_CTE_RX
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default y
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help
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Enable support for sampling of CTE for PDUs that have bad CRC.
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# Customization setting to manage memory usage footprint
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config BT_CTLR_DF_MAX_ANT_SW_PATTERN_LEN
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int "Maximum length of antenna switch pattern"
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range 3 39 if SOC_COMPATIBLE_NRF
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range 2 75 if !SOC_COMPATIBLE_NRF
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default 12
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help
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Defines maximum length of antenna switch pattern that controller
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is able to store. For nRF5x-based controllers, the hardware imposes
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the value is within range 3 to 40, where last value is maximum.
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For general use cases Bluetooth Core 5.1 spec. required the value
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to be within range 2 up to 75.
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config BT_CTLR_DF_INIT_ANT_SEL_GPIOS
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bool "Enable initialization of GPIOs responsible for antenna switching"
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depends on BT_CTLR_DF_ANT_SWITCH_TX || BT_CTLR_DF_ANT_SWITCH_RX
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default y
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help
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Enable implicit initialization of GPIOs responsible for antenna
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switching during Radio initialization.
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If this feature is not enabled, the Radio initialization procedure will
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not initialize GPIOs pins selected to drive antenna switching.
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In such case application is responsible for appropriate GPIOs
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initialization.
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config BT_CTLR_DF_PER_ADV_CTE_NUM_MAX
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int "Maximum number of transmitted PDUs with Constant Tone Extension in connectionless mode"
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depends on BT_CTLR_DF_ADV_CTE_TX && BT_CTLR_ADV_PDU_LINK
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range 1 16
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default 1
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help
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Maximum supported number of PDUs, that have Constant Tone Extension, transmitted in single
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periodic advertising chain. The range is taken from BT Core spec 5.1, Vol 4 Part E
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section 7.8.82 HCI_LE_Set_Connectionless_IQ_Sampling_Enable Max_Sampled_CTEs parameter.
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config BT_CTLR_DF_PER_SCAN_CTE_NUM_MAX
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int "Maximum number of received PDUs with Constant Tone Extension in connectionless mode"
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depends on BT_CTLR_DF_SCAN_CTE_RX
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range 1 16
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default 16
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help
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Maximum supported number of PDUs, that have Constant Tone Extension, received in single
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periodic advertising chain. The range is taken from BT Core spec 5.1, Vol 4 Part E
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section 7.8.82 HCI_LE_Set_Connectionless_IQ_Sampling_Enable Max_Sampled_CTEs parameter.
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config BT_CTLR_DF_DEBUG_ENABLE
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bool "Bluetooth Direction Finding debug support enable"
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help
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This option enables debug support for the Direction Finding
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implementation in controller.
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endif # BT_CTLR_DF
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