Merge branch 'docs/migrate_esp32_bluetooth_networking_to_api_guide' into 'master'
docs: Migrate ESP32 Bluetooth Networking PDF content to BluFi API Guide Closes DOC-7825 See merge request espressif/esp-idf!38043
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@@ -1,7 +1,7 @@
|
||||
BluFi
|
||||
^^^^^^
|
||||
=======
|
||||
|
||||
:link_to_translation:`en:[English]`
|
||||
:link_to_translation:`zh_CN:[中文]`
|
||||
|
||||
Overview
|
||||
----------
|
||||
@@ -12,6 +12,218 @@ Fragmenting, data encryption, and checksum verification in the BluFi layer are t
|
||||
|
||||
You can customize symmetric encryption, asymmetric encryption, and checksum support customization. Here we use the DH algorithm for key negotiation, 128-AES algorithm for data encryption, and CRC16 algorithm for checksum verification.
|
||||
|
||||
|
||||
Getting Started
|
||||
-----------------
|
||||
|
||||
This section provides a step-by-step guide to configuring Wi-Fi on an {IDF_TARGET_NAME} device using the EspBlufi app.
|
||||
|
||||
|
||||
Prerequisites
|
||||
^^^^^^^^^^^^^^^
|
||||
|
||||
Hardware:
|
||||
|
||||
* An {IDF_TARGET_NAME} module
|
||||
* A computer, connected to the module for power supply and serial logging
|
||||
* A mobile phone running Android or iOS
|
||||
|
||||
|
||||
Software:
|
||||
|
||||
* BluFi example: :example:`bluetooth/blufi` (to be flashed into {IDF_TARGET_NAME})
|
||||
* Mobile App: EspBlufi
|
||||
|
||||
- Android: `EspBlufi For Android <https://github.com/EspressifApp/EspBlufiForAndroid>`_
|
||||
- iOS: `EspBlufi For iOS <https://github.com/EspressifApp/EspBlufiForiOS>`_
|
||||
|
||||
For detailed instructions on flashing BluFi example, please refer to ESP-IDF :doc:`../../get-started/index` documentation.
|
||||
|
||||
|
||||
Configuring Wi-Fi via the EspBlufi App
|
||||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
Setting {IDF_TARGET_NAME} to Station Mode
|
||||
###############################################
|
||||
|
||||
|
||||
1. **Power on {IDF_TARGET_NAME}**
|
||||
|
||||
Connect {IDF_TARGET_NAME} to your computer. The following log will be output to the serial port tool:
|
||||
|
||||
.. figure:: ../../../_static/blufi-init-finish.png
|
||||
:align: center
|
||||
:width: 70%
|
||||
|
||||
|
||||
2. **Connect via EspBlufi**
|
||||
|
||||
- Grant Wi-Fi, Bluetooth, and location permissions on your mobile phone.
|
||||
- Open the EspBlufi app, and refresh the interface by swiping down. The nearby Bluetooth-enabled devices will be displayed.
|
||||
|
||||
.. figure:: ../../../_static/espblufi-interface.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: EspBlufi Interface
|
||||
|
||||
EspBlufi Interface
|
||||
|
||||
|
||||
- Click on the {IDF_TARGET_NAME} device, and click **Connect** to establish a Bluetooth connection. A successful connection will display the following interface:
|
||||
|
||||
.. figure:: ../../../_static/interface-success-connection.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Successful Connection
|
||||
|
||||
Successful Connection
|
||||
|
||||
|
||||
Meanwhile, the following log will be output to the serial port tool:
|
||||
|
||||
.. figure:: ../../../_static/blufi-ble-connect.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
.. note::
|
||||
|
||||
If the **Networking** button is missing or unresponsive, restart {IDF_TARGET_NAME} and ensure Bluetooth permissions are granted.
|
||||
|
||||
|
||||
3. **Configure Wi-Fi**
|
||||
|
||||
- Click on the **Networking** button to open the network configuration menu:
|
||||
|
||||
.. figure:: ../../../_static/network-config-interface.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Network Configuration Interface
|
||||
|
||||
Network Configuration Interface
|
||||
|
||||
- Select a device mode from the dropdown list. BluFi supports the following three modes:
|
||||
|
||||
- **Station:** Connects to an existing Wi-Fi network.
|
||||
- **SoftAP:** Creates a Wi-Fi access point.
|
||||
- **SoftAP/Station:** Enables both modes simultaneously.
|
||||
|
||||
.. figure:: ../../../_static/select-device-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Selecting Device Mode
|
||||
|
||||
Selecting Device Mode
|
||||
|
||||
- Select **Station** mode, click on the refresh button, and choose a Wi-FI SSID. Then, enter the password.
|
||||
|
||||
.. figure:: ../../../_static/config-station-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Configuring Station Mode
|
||||
|
||||
Configuring Station Mode
|
||||
|
||||
.. only:: esp32
|
||||
|
||||
.. note::
|
||||
|
||||
{IDF_TARGET_NAME} only supports 2.4 GHz Wi-Fi. Ensure you select a compatible network.
|
||||
|
||||
|
||||
- Click on the **Confirm** button to complete the configuration. A successful connection will display the following interface. The information marked in red in shows the Wi-Fi mode (which is Station mode in this example) and the connection information (such as the AP’s BSSID and SSID, as well as the connection status).
|
||||
|
||||
.. figure:: ../../../_static/station-connection-info.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Station Connection Information
|
||||
|
||||
Station Connection Information
|
||||
|
||||
Meanwhile, the following log will be output to the serial port tool:
|
||||
|
||||
.. figure:: ../../../_static/station-connection-log.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
|
||||
Setting {IDF_TARGET_NAME} as a SoftAP
|
||||
###############################################
|
||||
|
||||
|
||||
1. **Connect via EspBlufi**
|
||||
|
||||
- Power on the module. Connect the EspBlufi app to {IDF_TARGET_NAME} via Bluetooth.
|
||||
- In the network configuration menu, select **SoftAP** mode:
|
||||
|
||||
.. figure:: ../../../_static/select-softap-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Selecting SoftAP Mode
|
||||
|
||||
Selecting SoftAP Mode
|
||||
|
||||
|
||||
2. **Configure SoftAP**
|
||||
|
||||
- Select the security encryption mode, channel, and maximum number of Stations to be connected.
|
||||
- Enter the SoftAP’s SSID and password.
|
||||
- Click on the **Confirm** button to complete the configuration.
|
||||
|
||||
.. figure:: ../../../_static/config-softap-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Configuring SoftAP Mode
|
||||
|
||||
Configuring SoftAP Mode
|
||||
|
||||
|
||||
3. **Verify SoftAP**
|
||||
|
||||
A successful SoftAP configuration will display the following interface, showing the current Wi-Fi mode and connection status:
|
||||
|
||||
.. figure:: ../../../_static/softap-connection-info.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: SoftAP Connection Information
|
||||
|
||||
SoftAP Connection Information
|
||||
|
||||
Meanwhile, the following log will be output to the serial port tool:
|
||||
|
||||
.. figure:: ../../../_static/softap-connection-log.png
|
||||
:align: center
|
||||
:width: 70%
|
||||
|
||||
|
||||
4. **Connect to SoftAP**
|
||||
|
||||
- Enable Wi-Fi on your mobile phone. The configured SoftAP will appear in the network list:
|
||||
|
||||
.. figure:: ../../../_static/configured-softap.png
|
||||
:align: center
|
||||
:height: 370
|
||||
:alt: The Configured SoftAP
|
||||
|
||||
The Configured SoftAP
|
||||
|
||||
- Connect to the SoftAP. A successful connection will be indicated as follows:
|
||||
|
||||
.. figure:: ../../../_static/wifi-connection-prompt.png
|
||||
:align: center
|
||||
:height: 370
|
||||
:alt: Wi-Fi Connection Prompt
|
||||
|
||||
Wi-Fi Connection Prompt
|
||||
|
||||
Meanwhile, the following log will be output to the serial port tool:
|
||||
|
||||
.. figure:: ../../../_static/wifi-connection-log.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
The {IDF_TARGET_NAME} device is now successfully connected to Wi-Fi using Bluetooth networking.
|
||||
|
||||
|
||||
The BluFi Flow
|
||||
----------------
|
||||
|
||||
@@ -485,7 +697,7 @@ GATT Related Instructions
|
||||
----------------------------
|
||||
|
||||
UUID
|
||||
>>>>>
|
||||
^^^^^
|
||||
|
||||
BluFi Service UUID: 0xFFFF, 16 bit
|
||||
|
||||
|
@@ -1,5 +1,5 @@
|
||||
BluFi
|
||||
^^^^^^
|
||||
=======
|
||||
|
||||
:link_to_translation:`en:[English]`
|
||||
|
||||
@@ -12,6 +12,218 @@ BluFi 流程的关键部分包括数据的分片、加密以及校验和验证
|
||||
|
||||
用户可按需自定义用于对称加密、非对称加密以及校验的算法。此处,我们采用 DH 算法进行密钥协商,128-AES 算法用于数据加密,CRC16 算法用于校验和验证。
|
||||
|
||||
|
||||
快速入门
|
||||
--------
|
||||
|
||||
本节将指导您使用 EspBlufi 应用程序在 {IDF_TARGET_NAME} 设备上配置 Wi-Fi。
|
||||
|
||||
|
||||
硬件及软件准备
|
||||
^^^^^^^^^^^^^^^^
|
||||
|
||||
硬件:
|
||||
|
||||
* {IDF_TARGET_NAME} 模组一个
|
||||
* 电脑一台,并与模组连接,为模组供电并提供串口打印
|
||||
* 运行 Android 或 iOS 的手机一台
|
||||
|
||||
|
||||
软件:
|
||||
|
||||
* BluFi 示例: :example:`bluetooth/blufi` (需烧录至 {IDF_TARGET_NAME})
|
||||
* 手机应用程序:EspBlufi
|
||||
|
||||
- Android 版本: `EspBlufi For Android <https://github.com/EspressifApp/EspBlufiForAndroid>`_
|
||||
- iOS 版本: `EspBlufi For iOS <https://github.com/EspressifApp/EspBlufiForiOS>`_
|
||||
|
||||
关于 BluFi 示例烧录的详细说明,请参考 ESP-IDF :doc:`../../get-started/index` 文档。
|
||||
|
||||
|
||||
通过 EspBlufi 应用配置 Wi-Fi
|
||||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
Station 模式配置示例
|
||||
###################################
|
||||
|
||||
|
||||
1. **给 {IDF_TARGET_NAME} 上电**
|
||||
|
||||
将 {IDF_TARGET_NAME} 连接至电脑,可通过串口工具看到如下打印:
|
||||
|
||||
.. figure:: ../../../_static/blufi-init-finish.png
|
||||
:align: center
|
||||
:width: 70%
|
||||
|
||||
|
||||
2. **通过 EspBlufi 建立连接**
|
||||
|
||||
- 在手机上开启 Wi-Fi、蓝牙和位置权限。
|
||||
- 打开 EspBlufi 应用程序,下拉刷新界面,扫描附近的蓝牙设备。
|
||||
|
||||
.. figure:: ../../../_static/espblufi-interface.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: EspBlufi 界面
|
||||
|
||||
EspBlufi 界面
|
||||
|
||||
|
||||
- 点击目标 {IDF_TARGET_NAME} 设备,选择 **连接** 建立蓝牙连接。连接成功后界面显示如下:
|
||||
|
||||
.. figure:: ../../../_static/interface-success-connection.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 蓝牙连接成功界面
|
||||
|
||||
蓝牙连接成功界面
|
||||
|
||||
|
||||
同时,串口工具中会出现如下图中的打印:
|
||||
|
||||
.. figure:: ../../../_static/blufi-ble-connect.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
.. note::
|
||||
|
||||
若界面未显示 **配网** 按钮,或按钮无法点击,请重启 {IDF_TARGET_NAME} 并确认已开启蓝牙权限。
|
||||
|
||||
|
||||
3. **配置 Wi-Fi 网络**
|
||||
|
||||
- 点击 **配网** 按钮进入网络配置界面:
|
||||
|
||||
.. figure:: ../../../_static/network-config-interface.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 网络配置界面
|
||||
|
||||
网络配置界面
|
||||
|
||||
- 从下拉列表中选择设备模式。BluFi 支持以下三种模式:
|
||||
|
||||
- **Station:** 连接至现有 Wi-Fi 网络。
|
||||
- **SoftAP:** 创建 Wi-Fi 热点。
|
||||
- **SoftAP/Station:** 同时启用 SoftAP 和 Station 模式。
|
||||
|
||||
.. figure:: ../../../_static/select-device-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 选择设备模式
|
||||
|
||||
选择设备模式
|
||||
|
||||
- 选择 **Station** 模式,点击刷新按钮,选择目标 Wi-Fi 名称,并输入密码。
|
||||
|
||||
.. figure:: ../../../_static/config-station-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 配置 Station 模式
|
||||
|
||||
配置 Station 模式
|
||||
|
||||
.. only:: esp32
|
||||
|
||||
.. note::
|
||||
|
||||
{IDF_TARGET_NAME} 仅支持 2.4 GHz Wi-Fi,请确保选择兼容的网络。
|
||||
|
||||
|
||||
- 点击 **确定** 按钮完成配置。成功连接后界面显示如下。标红部分显示当前 Wi-Fi 模式(本例为 Station 模式)及连接信息(如 AP 的 BSSID、SSID 和连接状态)。
|
||||
|
||||
.. figure:: ../../../_static/station-connection-info.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: Station 连接信息
|
||||
|
||||
Station 连接信息
|
||||
|
||||
同时,串口工具会打印如下信息:
|
||||
|
||||
.. figure:: ../../../_static/station-connection-log.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
|
||||
SoftAP 模式配置示例
|
||||
###############################
|
||||
|
||||
|
||||
1. **通过 EspBlufi 建立连接**
|
||||
|
||||
- 将模组上电。使用 EspBlufi 应用程序通过蓝牙连接 {IDF_TARGET_NAME}。
|
||||
- 在配网界面选择 **SoftAP** 模式:
|
||||
|
||||
.. figure:: ../../../_static/select-softap-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 选择 SoftAP 模式
|
||||
|
||||
选择 SoftAP 模式
|
||||
|
||||
|
||||
2. **配置 SoftAP 参数**
|
||||
|
||||
- 选择加密方式、信道和最大连接数。
|
||||
- 输入 SoftAP 的 SSID 和密码。
|
||||
- 点击 **确定** 按钮完成配置。
|
||||
|
||||
.. figure:: ../../../_static/config-softap-mode.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: 配置 SoftAP 模式
|
||||
|
||||
配置 SoftAP 模式
|
||||
|
||||
|
||||
3. **验证 SoftAP 配置**
|
||||
|
||||
成功配置 SoftAP 后,界面显示当前 Wi-Fi 模式和连接状态:
|
||||
|
||||
.. figure:: ../../../_static/softap-connection-info.jpg
|
||||
:align: center
|
||||
:scale: 20%
|
||||
:alt: SoftAP 连接信息
|
||||
|
||||
SoftAP 连接信息
|
||||
|
||||
同时,串口工具会打印如下信息:
|
||||
|
||||
.. figure:: ../../../_static/softap-connection-log.png
|
||||
:align: center
|
||||
:width: 70%
|
||||
|
||||
|
||||
4. **连接 SoftAP 热点**
|
||||
|
||||
- 打开手机 Wi-Fi,可以搜索到已配置的 SoftAP:
|
||||
|
||||
.. figure:: ../../../_static/configured-softap.png
|
||||
:align: center
|
||||
:height: 370
|
||||
:alt: 已配置的 SoftAP
|
||||
|
||||
已配置的 SoftAP
|
||||
|
||||
- 连接该热点,成功连接后界面如下:
|
||||
|
||||
.. figure:: ../../../_static/wifi-connection-prompt.png
|
||||
:align: center
|
||||
:height: 370
|
||||
:alt: Wi-Fi 连接提示
|
||||
|
||||
Wi-Fi 连接提示
|
||||
|
||||
同时,串口工具打印如下信息:
|
||||
|
||||
.. figure:: ../../../_static/wifi-connection-log.png
|
||||
:align: center
|
||||
:width: 80%
|
||||
|
||||
至此,{IDF_TARGET_NAME} 已通过蓝牙配网成功连接 Wi-Fi 网络。
|
||||
|
||||
|
||||
BluFi 流程
|
||||
-----------
|
||||
|
||||
@@ -485,7 +697,7 @@ GATT 相关说明
|
||||
-------------
|
||||
|
||||
UUID
|
||||
>>>>>
|
||||
^^^^^
|
||||
|
||||
BluFi Service UUID: 0xFFFF,16 bit
|
||||
|
||||
|