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ESP 主机主要功能支持状态
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========================
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:link_to_translation:`en:[English]`
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本文档介绍了乐鑫低功耗蓝牙主机 ESP-Bluedroid 和 ESP-NimBLE 主要功能的支持状态。
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如果你计划将低功耗蓝牙控制器和主机跑在 {IDF_TARGET_NAME} 上，主机的功能支持可能会受限于控制器的功能支持状态，
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请参阅 :doc:`{IDF_TARGET_NAME} 主要功能支持状态 <ble-feature-support-status>` 。
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|supported_def| **该功能已完成开发和内部测试。** [1]_
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|experimental_def| **该功能已完成开发，正在进行内部测试。**
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你可以探索这些功能以进行评估和反馈，但应注意可能出现的问题。
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|developing_def| **该功能目前正在积极开发中， 预计在 YYYY/MM 月底之前支持。**
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请关注此表以获得该功能的最新进展。
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如果确实有紧急的开发需求，请联系 `乐鑫客户支持团队 <https://www.espressif.com/zh-hans/contact-us/sales-questions>`__ 以了解是否可以进行功能试用。
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|unsupported_def| **该功能在该蓝牙主机上不支持。** 如果你有相关需求，请优先选择其他支持该功能的乐鑫蓝牙主机。
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如果当前的乐鑫产品都不支持此功能，请联系 `乐鑫客户支持团队 <https://www.espressif.com/zh-hans/contact-us/sales-questions>`__ ，我们的研发团队会对你的需求进行内部可行性评估。
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|NA_def| 具有此标签的功能可能为以下类型：
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- **Controller-only 功能**：该功能仅存在于 HCI 层之下，且无法通过主机API配置或启用，例如 Advertising Channel Index 。
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此类功能不需要蓝牙主机的支持。
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.. list-table::
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:width: 100%
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:widths: auto
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:header-rows: 1
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* - .. centered:: 核心协议
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- .. centered:: 主要功能
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- .. centered:: ESP-Bluedroid 主机
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- .. centered:: ESP-NimBLE 主机
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* - .. centered:: |4.2|
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- LE Data Packet Length Extension
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- |supported|
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- |supported|
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* -
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- LE Secure Connections
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- |supported|
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- |supported|
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* -
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- Link Layer Privacy
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- |supported|
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- |supported|
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* -
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- Link Layer Extended Filter Policies
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- |supported|
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- |supported|
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* - .. centered:: |5.0|
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- 2 Msym/s PHY for LE
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- |supported|
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- |supported|
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* -
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- LE Long Range (Coded PHY S=2/S=8)
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- |supported|
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- |supported|
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* -
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- High Duty Cycle Non-Connectable Advertising
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- |supported|
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- |supported|
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* -
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- LE Advertising Extensions
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- |supported|
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- |supported|
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* -
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- LE Channel Selection Algorithm #2
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- |supported|
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- |supported|
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* - .. centered:: |5.1|
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- Angle of Arrival (AoA)/Angle of Departure (AoD)
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- |unsupported|
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- |developing202412|
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* -
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- GATT Caching
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- |experimental|
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- |experimental|
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* -
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- Randomized Advertising Channel Indexing
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- |NA|
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- |NA|
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* -
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- Periodic Advertising Sync Transfer
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- |supported|
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- |supported|
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* - .. centered:: |5.2|
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- LE Isochronous Channels (BIS/CIS)
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- |unsupported|
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- |developing202412|
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* -
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- Enhanced Attribute Protocol
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- |unsupported|
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- |developing202412|
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* -
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- LE Power Control
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- |unsupported|
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- |supported|
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* - .. centered:: |5.3|
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- AdvDataInfo in Periodic Advertising
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- |supported|
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- |supported|
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* -
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- LE Enhanced Connection Update (Connection Subrating)
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- |unsupported|
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- |supported|
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* -
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- LE Channel Classification
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- |supported|
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- |supported|
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* - .. centered:: |5.4|
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- Advertising Coding Selection
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- |unsupported|
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- |supported|
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* -
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- Encrypted Advertising Data
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- |unsupported|
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- |experimental|
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* -
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- LE GATT Security Levels Characteristic
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- |unsupported|
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- |developing202412|
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* -
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- Periodic Advertising with Responses
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- |unsupported|
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- |developing202412|
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.. [1]
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如果想了解支持功能的 Bluetooth SIG 认证状态，
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请查阅 `SIG 蓝牙产品数据库 <https://qualification.bluetooth.com/Listings/Search>`__ 。
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请注意，本文档不构成对客户的约束性承诺。
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以上所列出来的功能支持状态信息仅供参考，可能会在不通知的情况下发生更改。
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建议联系 `乐鑫客户支持团队 <https://www.espressif.com/zh-hans/contact-us/sales-questions>`__ 以获取最新信息，并确认功能是否适合你的特定需求。
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.. |supported| image:: ../../../_static/ble/feature_status/supported.svg
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:class: align-center
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.. |developing202412| image:: ../../../_static/ble/feature_status/developing202412.svg
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:class: align-center
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.. |unsupported| image:: ../../../_static/ble/feature_status/unsupported.svg
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:class: align-center
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.. |experimental| image:: ../../../_static/ble/feature_status/experimental.svg
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:class: align-center
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.. |NA| image:: ../../../_static/ble/feature_status/NA.svg
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:class: align-center
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.. |supported_def| image:: ../../../_static/ble/feature_status/supported.svg
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.. |developing_def| image:: ../../../_static/ble/feature_status/developingYYYYMM.svg
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.. |unsupported_def| image:: ../../../_static/ble/feature_status/unsupported.svg
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.. |experimental_def| image:: ../../../_static/ble/feature_status/experimental.svg
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.. |NA_def| image:: ../../../_static/ble/feature_status/NA.svg
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.. |4.2| replace:: `4.2 <https://www.bluetooth.com/specifications/specs/core-specification-4-2/>`__
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.. |5.0| replace:: `5.0 <https://www.bluetooth.com/specifications/specs/core-specification-5-0/>`__
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.. |5.1| replace:: `5.1 <https://www.bluetooth.com/specifications/specs/core-specification-5-1/>`__
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.. |5.2| replace:: `5.2 <https://www.bluetooth.com/specifications/specs/core-specification-5-2/>`__
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.. |5.3| replace:: `5.3 <https://www.bluetooth.com/specifications/specs/core-specification-5-3/>`__
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.. |5.4| replace:: `5.4 <https://www.bluetooth.com/specifications/specs/core-specification-5-4/>`__
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