add python demos
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docs/Platform_compile_guide.md
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docs/Platform_compile_guide.md
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# 1、Android Platform
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**Android compilation** depends on the NDK toolchain. Currently, version r25c is recommended. Download link: https://github.com/android/ndk/wiki/Unsupported-Downloads
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## NDK toolchain configuration
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- Verify whether the ndk-build compilation environment exists:
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Execute: ndk-build -v. If there is a version information prompt, it is successful. If not, refer to the following steps to configure the ndk-build compilation environment
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- Download android-ndk-r25c
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https://dl.google.com/android/repository/android-ndk-r25c-linux.zip
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- Unzip and get the path /xxxx/android-ndk-r25c
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- Set environment variables
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- Edit bash.bashrc file
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sudo vi ~/.bashrc
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Add at the end of the file: export PATH=/xxxx/android-ndk-r25c:$PATH
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- Update environment variables
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source ~/.bashrc
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- Check whether the environment has been successfully added
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ndk-build --version shows version information
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# 2、Linux Platform
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**Linux compilation** toolchain dependency: **gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf**, download link: https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads/
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## Linux toolchain configuration：
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1. Configure the cmake compilation environment:
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1. Verify whether there is a cmake environment:
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cmake --version shows the cmake version is successful. If cmake does not exist, perform the following steps to configure the cmake environment
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2. Install cmake
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pip3 install cmake==3.16.3
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3. Verify that the installation is successful
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cmake --version
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Displaying the cmake version is successful
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2. Configure the compilation toolchain
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1. Download the toolchain
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32-bit：https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads/ link，
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gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf.tar.xz
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64-bit: There is currently no 64-bit version, and it will not be added for the time being. If some customers use the corresponding version and did not add the toolchain path in time, please give feedback.
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2.arm-none-linux-gnueabihf install
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a.Unzip it and place it in the folder you need
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tar -xvJf ***.tar.xz
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b.Edit the bash.bashrc file
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sudo vi ~/.bashrc
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c.Add environment variables
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export PATH=path_to/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf/bin:$PATH
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d.update environment variables
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source ~/.bashrc
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e.Check if the environment is successfully joined
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Execue：arm-none-linux-gnueabihf-gcc -v，View gcc 32bit version
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70
docs/Platform_compile_guide_CN.md
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docs/Platform_compile_guide_CN.md
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# 1、Android 平台
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**Android编译**依赖NDK工具链，当前建议使用**r25c**版本，下载链接:https://github.com/android/ndk/wiki/Unsupported-Downloads
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## NDK工具链配置
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- 验证是否存在ndk-build编译环境：
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执行：ndk-build -v，有版本信息提示即为成功。如果没有，参照后面几步配置ndk-build编译环境
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- 下载android-ndk-r25c
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https://dl.google.com/android/repository/android-ndk-r25c-linux.zip
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- 解压，获得路径/xxxx/android-ndk-r25c
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- 配置环境变量
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- 编辑bash.bashrc文件
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sudo vi ~/.bashrc
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在文件末尾添加： export PATH=/xxxx/android-ndk-r25c:$PATH
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- 更新环境变量
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source ~/.bashrc
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- 检查环境变量是否加入成功
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ndk-build --version 有版本信息显示
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# 2、Linux平台
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**Linux编译**依赖工具链:**gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf** ,下载链接：https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads/
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## Linux工具链配置：
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一、配置cmake编译环境：
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1.验证是否存在cmake 环境：
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cmake --version 显示cmake 版本即为成功。如果不存在cmake，执行后面几步配置cmake环境
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2.安装cmake
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pip3 install cmake==3.16.3
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3.验证是否安装成功
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cmake --version
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显示cmake 版本即为成功
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二、配置编译工具链
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1.下载工具链
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32位：https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads/ 链接下
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gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf.tar.xz
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64位：当前暂时没有64bit版本，暂时不添加。如果有客户使用对应版本且未及时添加toolchain路径，请反馈。
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2.arm-none-linux-gnueabihf安装
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a.解压，并放置在自己需要的文件夹内
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tar -xvJf ***.tar.xz
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b.编辑bash.bashrc文件
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sudo vi ~/.bashrc
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c.添加环境变量
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export PATH=path_to/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf/bin:$PATH
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d.更新环境变量
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source ~/.bashrc
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e.检查环境是否加入成功
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执行：arm-none-linux-gnueabihf-gcc -v，查看gcc 32bit版
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