base on A Modbus library for Linux, Mac OS, FreeBSD and Windows # A groovy modbus library  [](https://scan.coverity.com/projects/libmodbus) ## Overview libmodbus is a free software library to send/receive data with a device which respects the Modbus protocol. This library can use a serial port or an Ethernet connection. The functions included in the library have been derived from the Modicon Modbus Protocol Reference Guide which can be obtained from [www.modbus.org](http://www.modbus.org). The license of libmodbus is *LGPL v2.1 or later*. The official website is [www.libmodbus.org](http://www.libmodbus.org). The website contains the latest version of the documentation. The library is written in C and designed to run on Linux, Mac OS X, FreeBSD, Embox, QNX and Windows. You can use the library on MCUs with Embox RTOS. ## Installation You will only need to install automake, autoconf, libtool and a C compiler (gcc or clang) to compile the library and asciidoc and xmlto to generate the documentation (optional). To install, just run the usual dance, `./configure && make install`. Run `./autogen.sh` first to generate the `configure` script if required. You can change installation directory with prefix option, eg. `./configure --prefix=/usr/local/`. You have to check that the installation library path is properly set up on your system (*/etc/ld.so.conf.d*) and library cache is up to date (run `ldconfig` as root if required). The library provides a *libmodbus.pc* file to use with `pkg-config` to ease your program compilation and linking. If you want to compile with Microsoft Visual Studio, you should follow the instructions in `./src/win32/README.md`. To compile under Windows, install [MinGW](http://www.mingw.org/) and MSYS then select the common packages (gcc, automake, libtool, etc). The directory *./src/win32/* contains a Visual C project. To compile under OS X with [homebrew](http://mxcl.github.com/homebrew/), you will need to install the following dependencies first: `brew install autoconf automake libtool`. To build under Embox, you have to use its build system. ## Testing Some tests are provided in *tests* directory, you can freely edit the source code to fit your needs (it's Free Software :). See *tests/README* for a description of each program. For a quick test of libmodbus, you can run the following programs in two shells: 1. ./unit-test-server 2. ./unit-test-client By default, all TCP unit tests will be executed (see --help for options). It's also possible to run the unit tests with `make check`. ## To report a bug or to contribute See [CONTRIBUTING](CONTRIBUTING.md) document. ## Documentation You can serve the local documentation with: ```shell pip install mkdocs-material mkdocs serve ``` ", Assign "at most 3 tags" to the expected json: {"id":"2217","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"