上海博通BK7251/BK7231等BK72xx系列芯片SDK用户手册

example

2. SDK 源代码概述
2.1 SDK概述
2.1.1 带有 FreeRTOS 的 SDK
FreeRTOS 的 BK72XX_SDK 包包含后续目录。
├── beken378 # Beken SDK directory
│ ├── alIOS # AliOS adapter layer
│ ├── APP # applications
│ ├── common # common C header files
│ ├── demo # ieee80211 demo
│ ├── driver # drivers, Audio, ble, I2C, I2S, ETC.
│ ├── func # functions: airkiss, calibration, wpa, cli, etc
│ ├── ip # wifi ip C header files
│ ├── lib # libraries │ ├── release # the release related info such as SDK revision
│ └── rttos # RT-Thread adapter layer
├── build # build scripts, link scripts
│ └── scripts # helper scripts
├── demos # demos
......

2.1.2 带 RT-Thread 的 SDK
RT-Thread 的 BK72XX_SDK 包包含后续目录。
├───applications # upper layer application code
├───beken378 # Beken SDK directory
│ ├───app # applications
│ ├───common # common C header files
│ ├───demo # ieee80211 demo
│ ├───driver # drivers, audio, ble, i2c, i2s, etc.
│ ├───func # functions: airkiss, calibration, wpa, cli, etc
│ ├───ip # wifi ip C header files
│ ├───lib # libraries
│ ├───release # the release related info such as SDK revision
│ └───rttos # RT-Thread adapter layer
├───components # components: player, codec, etc.
├───config # link script and config files
├───docs # document files for beken chip with RT-Thread
├───drivers # driver layer of RT-Thread
├───function # function code like mixer, VBAT detector
├───libCPU # bootstrap code of beken chip on RT-Thread
├───packages # configurable third-party packages
├───release # the release related info such as OSK revision and documents
├───rt-thread
│ ├───components # necessary components: dfs, finsh, libc, net, etc.
│ ├───examples # examples of RT-Thread
│ ├───include # major header files of RT-Thread
│ ├───src # major source files of RT-Thread
│ └───tools # build scripts with SCons of RT-Thread
├───samples # example code
├───test # test code
└───tool # tools to manipulate firmware

2.1.3 SDK与AliOS
后续与beken相关的目录：
├──Living_SDK # Smartliving SDK directory
│ ├── board # beken platform, such as BK7231u, bk7231n and so on
│ ├──BK7231Udevkitc # bk7231u enter interface
│ └──bk7231ndevkitc # bk7231n enter interface
│ ├── platform/MCU # beken bsp driver
│ ├──bk7231u # bk7231u bsp
│ └──bk7231n # bk7231n bsp
├──products/example # demo apps and user can add new app here
├──release # the release related info such as OSK revision and documents
└── tools # tools to manipulate firmware
──bk7231udevkitc.sh # config bk7231u
└──bk7231ndevkitc.sh # config bk7231n

2.2 配置
在 BK72XX_SDK/beken378/app/config 下有几个默认配置，带有 sys_config_ 前缀。

Configuration	description
sys config bk7231.h	Configuration for BK7231
sys config bk7231n.h	Configuration for BK7231N
sys config bk7231u.h	Configuration for BK7231U
sys config BK7251.h	Configuration for BK7251

3.环境设置
3.1 安装工具链
交叉编译器在 toolchain 目录下，用于构建库，要使用已有的库，请在构建时使用相同的工具链。

4.构建
4.1 FreeRTOS 构建
4.1.1 构建命令
$ MAKE help # 显示如何编译的帮助
$ make clean # 清理
$ make bk7231u # 为 bk7231u 构建固件
$ make bk7231n # 为 bk7231n 构建固件
$ make bk7251 # 为 bk7251 构建固件
编译完成后，将在调试目录下生成固件

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