蓝牙核心技术规范v5.3解读

Bluetooth

蓝牙协议

需积分: 9 18 浏览量更新于2024-06-30 1 收藏 26.98MB PDF 举报

身份认证购VIP最低享 7 折!

领优惠券(最高得80元）

"蓝牙协议Core_v5.1是蓝牙技术的核心规范，修订版本为v5.3，由蓝牙特别兴趣小组（Bluetooth SIG）的Core Specification Working Group于2021年7月13日更新。这个规范定义了创建互操作性蓝牙设备所需的技术。文档包含了免责声明和版权通知，强调了使用此规范的成员需遵守蓝牙SIG的会员协议和其他相关协议。" 蓝牙协议Core_v5.1是蓝牙技术的核心文档，它详细阐述了蓝牙设备间通信的基本技术和标准，确保不同厂商的产品可以无缝协作。随着技术的发展，蓝牙协议不断迭代更新，v5.3作为最新的修订版，可能包括了性能提升、功耗优化以及新的功能特性。在蓝牙协议Core_v5.1中，关键知识点包括以下几个方面： 1. **连接与通信**：蓝牙协议栈包括了物理层（PHY）、链路层（L2CAP）、主机控制接口（HCI）、逻辑链路控制和适配器规程（LLCP）等，它们共同确保设备之间的可靠连接和高效数据传输。v5.3可能进一步优化了连接速度和距离，增加了连接密度，以支持更多设备同时连接。 2. **低功耗蓝牙（BLE）**：BLE是蓝牙协议的一个重要分支，专注于低功耗通信，广泛应用于物联网设备、健康监测和智能家居等领域。每个版本的更新都会对BLE的节能策略进行改进，例如优化广告和扫描模式，以延长电池寿命。 3. **安全增强**：蓝牙协议包括了加密和身份验证机制，如AES-128加密和密钥交换协议，以保护数据安全。v5.3可能强化了这些安全特性，防止中间人攻击和未经授权的设备接入。 4. **服务质量（QoS）**：蓝牙Core规范可能详细描述了如何保证不同应用的数据传输质量，如音频流传输的低延迟和稳定性，这对于蓝牙耳机和扬声器等应用至关重要。 5. **设备发现与配对**：规范定义了设备如何发现彼此、交换信息并完成配对过程。v5.3可能简化了这一过程，增强了用户友好性。 6. **多播和广播**：蓝牙协议支持一对多或多对多通信模式，允许设备向多个接收者广播数据，这在物联网场景中非常有用。 7. **应用框架**：蓝牙协议还提供了应用框架，如GATT（通用属性配置文件）和GAP（通用访问配置文件），帮助开发者构建特定的应用服务。在实际应用中，开发者和制造商需要按照蓝牙SIG的协议和指南来实现蓝牙功能，确保产品符合标准，能够在市场中与其他设备顺利交互。任何违反会员协议的行为都可能导致法律问题和其他不利后果。因此，理解和遵循蓝牙协议Core_v5.1是开发蓝牙产品的基础。

资源详情

资源推荐

Revision Date: 2021-07-13

Bluetooth SIG Proprietary

BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 0, Part A page 16

Consolidated Table of Contents

2.43 QoS Unacceptable Parameter (0x2C)..................................... 379

2.44 QoS Rejected (0x2D) .............................................................. 379

2.45 Channel Assessment Not Supported (0x2E) ........................... 379

2.46 Insufficient Security (0x2F) ...................................................... 379

2.47 Parameter Out of Mandatory Range (0x30) ............................ 379

2.48 Role Switch Pending (0x32) .................................................... 379

2.49 Reserved Slot Violation (0x34) ................................................ 380

2.50 Role Switch Failed (0x35)........................................................ 380

2.51 Extended Inquiry Response too Large (0x36) ......................... 380

2.52 Secure Simple Pairing not Supported by Host (0x37) ............. 380

2.53 Host Busy–Pairing (0x38)........................................................ 380

2.54 Connection Rejected due to no Suitable Channel Found (0x39)...

380

2.55 Controller Busy (0x3A) ............................................................ 380

2.56 Unacceptable Connection Parameters (0x3B) ........................ 381

2.57 Advertising Timeout (0x3C) ..................................................... 381

2.58 Connection Terminated due to MIC Failure (0x3D) ................. 381

2.59 Connection Failed to be Established / Synchronization Timeout

(0x3E) ...................................................................................... 381

2.60 [This section is no longer used] ............................................... 381

2.61 Coarse Clock Adjustment Rejected but Will Try to Adjust Using

Clock Dragging (0x40)............................................................. 381

2.62 Type0 Submap not Defined (0x41).......................................... 381

2.63 Unknown Advertising Identifier (0x42) ..................................... 382

2.64 Limit Reached (0x43) .............................................................. 382

2.65 Operation Cancelled by Host (0x44) ....................................... 382

2.66 Packet Too Long (0x45)........................................................... 382

Revision Date: 2021-07-13

Bluetooth SIG Proprietary

BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 0, Part A page 17

Consolidated Table of Contents

BR/EDR Controller

Specification Volume 2

Part A

RADIO SPECIFICATION

1 Scope ................................................................................................ 387

2 Frequency bands and channel arrangement ................................ 389

3 Transmitter characteristics ............................................................. 390

3.1 Basic Rate ............................................................................... 391

3.1.1 Modulation characteristics .......................................... 391

3.1.2 Spurious emissions.....................................................392

3.1.3 Radio frequency tolerance.......................................... 393

3.2 Enhanced Data Rate ............................................................... 393

3.2.1 Modulation characteristics .......................................... 394

3.2.2 Spurious emissions.....................................................397

3.2.3 Radio frequency tolerance.......................................... 398

3.2.4 Relative transmit power .............................................. 399

4 Receiver characteristics ................................................................. 400

4.1 Basic Rate ............................................................................... 400

4.1.1 Actual sensitivity level................................................. 400

4.1.2 Interference performance............................................ 400

4.1.3 Out-of-band blocking...................................................401

4.1.4 Intermodulation characteristics ................................... 401

4.1.5 Maximum usable level ................................................ 402

4.1.6 Received Signal Strength Indication........................... 402

4.1.7 Reference signal definition.......................................... 402

4.2 Enhanced Data Rate ............................................................... 402

4.2.1 Actual sensitivity level................................................. 402

4.2.2 BER floor performance ............................................... 402

4.2.3 Interference performance............................................ 403

4.2.4 Maximum usable level ................................................ 404

4.2.5 Out-of-band and intermodulation characteristics ........ 404

4.2.6 Reference signal definition.......................................... 404

Appendix A Test conditions .................................................................... 405

A.1 Nominal test conditions ......................................................... 405

A.1.1 Nominal temperature ................................................ 405

Revision Date: 2021-07-13

Bluetooth SIG Proprietary

BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 0, Part A page 18

Consolidated Table of Contents

A.1.2 Nominal power source .............................................. 405

A.2 [This section is no longer used] ............................................ 405

Appendix B [This Appendix is no longer used] .................................... 406

Appendix C Modulation accuracy definition ......................................... 407

C.1 Enhanced Data Rate modulation accuracy ........................... 407

C.1.1 RMS DEVM ................................................................ 409

C.1.2 Peak DEVM ............................................................... 409

Part B

BASEBAND SPECIFICATION

1 General description ......................................................................... 419

1.1 Bluetooth clock ........................................................................ 420

1.2 Bluetooth Device addressing................................................... 421

1.2.1 Reserved addresses...................................................422

1.3 Access codes .......................................................................... 422

2 Physical channels............................................................................ 424

2.1 Physical channel definition ...................................................... 425

2.2 Basic piconet physical channel................................................ 425

2.2.1 Central and Peripheral roles ....................................... 425

2.2.2 Hopping characteristics............................................... 426

2.2.3 Time slots.................................................................... 426

2.2.4 Piconet clocks............................................................. 426

2.2.5 Transmit/receive timing............................................... 427

2.3 Adapted piconet physical channel ........................................... 431

2.3.1 Hopping characteristics............................................... 431

2.4 Page scan physical channel .................................................... 431

2.4.1 Clock estimate for paging ........................................... 432

2.4.2 Hopping characteristics............................................... 432

2.4.3 Paging procedure timing............................................. 432

2.4.4 Page response timing ................................................. 433

2.5 Inquiry scan physical channel.................................................. 435

2.5.1 Clock for inquiry .......................................................... 435

2.5.2 Hopping characteristics............................................... 435

2.5.3 Inquiry procedure timing ............................................. 436

2.5.4 Inquiry response timing............................................... 436

2.6 Hop selection........................................................................... 437

2.6.1 General selection scheme .......................................... 438

Revision Date: 2021-07-13

Bluetooth SIG Proprietary

BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 0, Part A page 19

Consolidated Table of Contents

2.6.2 Selection kernel .......................................................... 441

2.6.3 Adapted hop selection kernel...................................... 444

2.6.4 Control word................................................................ 445

2.7 Synchronization scan physical channel................................... 450

2.7.1 Hopping characteristics............................................... 450

2.7.2 Synchronization Train procedure timing...................... 450

2.7.3 Synchronization Scan procedure timing ..................... 451

3 Physical links ................................................................................... 453

3.1 Link supervision for active physical links ................................. 453

3.2 Link supervision for Connectionless Peripheral Broadcast

physical links ........................................................................... 454

3.3 Authenticated payload timeout for active links ........................ 454

4 Logical transports ........................................................................... 455

4.1 General.................................................................................... 455

4.2 Logical transport address (LT_ADDR)..................................... 455

4.3 Synchronous logical transports ............................................... 456

4.4 Asynchronous logical transport ............................................... 456

4.5 Transmit/receive routines ........................................................ 457

4.5.1 TX routine ...................................................................457

4.5.2 RX routine................................................................... 460

4.5.3 Flow control.................................................................461

4.6 Active Peripheral broadcast transport ..................................... 462

4.7 [This section is no longer used] ............................................... 462

4.8 Connectionless Peripheral Broadcast logical transport ........... 462

5 Logical links ..................................................................................... 464

5.1 Link Control logical link (LC).................................................... 464

5.2 ACL Control logical links (ACL-C and APB-C)......................... 464

5.3 User asynchronous/isochronous logical links (ACL-U and

APB-U) .................................................................................... 465

5.3.1 Pausing the ACL-U logical link.................................... 465

5.4 User synchronous data logical link (SCO-S) ........................... 465

5.5 User extended synchronous data logical link (eSCO-S).......... 465

5.6 Logical link priorities ................................................................ 465

5.7 Profile broadcast data logical link ............................................ 465

6 Packets ............................................................................................. 466

6.1 General format......................................................................... 466

6.1.1 Basic Rate................................................................... 466

6.1.2 Enhanced Data Rate................................................... 466

6.2 Bit ordering .............................................................................. 467

6.3 Access code ............................................................................ 467

Revision Date: 2021-07-13

Bluetooth SIG Proprietary

BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 0, Part A page 20

Consolidated Table of Contents

6.3.1 Access code types...................................................... 468

6.3.2 Preamble..................................................................... 468

6.3.3 Sync word ................................................................... 468

6.3.4 Trailer..........................................................................472

6.4 Packet header ......................................................................... 472

6.4.1 LT_ADDR.................................................................... 473

6.4.2 TYPE........................................................................... 473

6.4.3 FLOW.......................................................................... 473

6.4.4 ARQN.......................................................................... 474

6.4.5 SEQN.......................................................................... 474

6.4.6 HEC ............................................................................ 474

6.5 Packet types ............................................................................ 474

6.5.1 Common packet types ................................................ 477

6.5.2 SCO packets............................................................... 479

6.5.3 eSCO packets............................................................. 480

6.5.4 ACL packets................................................................ 482

6.6 Payload format ........................................................................ 484

6.6.1 Synchronous data field ............................................... 485

6.6.2 Asynchronous data field.............................................. 486

6.7 Packet summary...................................................................... 490

7 Bit stream processing ..................................................................... 492

7.1 Error checking ......................................................................... 493

7.1.1 HEC generation .......................................................... 493

7.1.2 CRC generation .......................................................... 495

7.2 Data whitening......................................................................... 496

7.3 Error correction........................................................................ 497

7.4 FEC code: rate 1/3 .................................................................. 497

7.5 FEC code: rate 2/3 .................................................................. 497

7.6 ARQ scheme ........................................................................... 498

7.6.1 Unnumbered ARQ....................................................... 498

7.6.2 Retransmit filtering...................................................... 502

7.6.3 Flushing payloads....................................................... 504

7.6.4 Multi-Peripheral considerations................................... 505

7.6.5 Active Peripheral Broadcast packets .......................... 505

7.7 Erroneous synchronous data reporting ................................... 506

7.8 Message Integrity Check ......................................................... 507

8 Link Controller operation................................................................ 508

8.1 Overview of states ...................................................................508

8.2 Standby state........................................................................... 509

剩余3084页未读，继续阅读

gggfndc

粉丝: 16
资源: 21

蓝牙核心技术规范v5.3解读

蓝牙Core_v5.0协议

蓝牙协议Core-v5.1.rar

蓝牙core 核心5.1最新协议开发

蓝牙通信详解：掌握C51单片机蓝牙协议与编程，打造无线连接

core_v5.3与core_v5.2区别

蓝牙核心规范《core_v4.2.pdf》

core_v5.3 蓝牙5.3核心规范(中文版和英文版)百度

《core_v5.0》

core_v5.3 中文

解释下这段代码 ATTR_TEXT_IN_TCM hal_core_status_t hal_core_status_read(hal_core_id_t id) { if (id >= HAL_CORE_MAX) { return HAL_CORE_ERROR; } else { return (hal_core_status_t) s_core_status; } }

python -m spacy download en_core_web_sm==2.0.0的运行结果为No compatible model found for 'en_core_web_sm==2.1.9' (spaCy v2.1.9).

正确下载en_core_web_sm 和 en_core_web_md

#ifndef CORE_USING_HERO || CORE_USING_2024_NEW_INFANTRY

帮我写一个sdc，内容为创建一个时钟，时钟引脚为core_clk，名字为core_clk，周期是1.25ns

hcd_init(&usb_core_dev, USB_FS_CORE_ID)

core_cm3.c与core_cm4.c的区别

import math def distance(core_x,core_y,target_x,target_y): a = float(core_y - target_y) b = float(core_x - target_x) dis = math.sqrt(a ** 2+b ** 2) return dis dis = distance(960, 540, 200, 300) print(dis) 这个代码什么意思

OSError: [E053] Could not read meta.json from C:\Users\WCM\.conda\envs\py38\Lib\site-packages\spacy\en_core_web_sm\en_core_web_sm

Nginx 模块 - ngx_core_module

python安装en_core_web_sm 2.0.0版本

最新资源

import math def distance(core_x,core_y,target_x,target_y): a = float(core_y - target_y) b = float(core_x - target_x) dis = math.sqrt(a 2+b 2) return dis dis = distance(960, 540, 200, 300) print(dis) 这个代码什么意思