code completion of Espressif plugin in VsCode

Question

Is it possible that VSCode code completion only offers those elements in the list that I have already used, but does not read the header files of glibc and the given environment? I use the Espressif plugin and I am surprised to find that, for example,

arg_print_syntax(stdout, (void *) &blink_args, "\n");

I want to call it, I press ctrl space after "arg" and it does not offer it, even though at the beginning of the file there is

 #include "argtable3/argtable3.h"

If I type it in and recompile it, it offers it, but only that,

arg_print_glossary(stdout, (void *) &blink_args, "%-25s %s\n");

it does not offer it again until I type it in and compile it. The path to the esp-idf components libraries is set in c_cpp_properties.json:

"includePath": [
"${config:idf.espIdfPath}/components/**",
"${config:idf.espIdfPathWin}/components/**",
"${config:idf.espAdfPath}/components/**",
"${config:idf.espAdfPathWin}/components/**",
"${workspaceFolder}/**"
],

The eclipse plugin reads all the libraries accurately and offers them, but this vscode is not correct and it is very disappointing that the built-in "AI" is so deceptive, even if it is called intelliSense.

What extension are you using specifically? I am not too familiar with using Espressif for embedded, but I usually use clang for "code completion" and it works very well out of the box, even for finding definitions from libraries. — th0miz
– th0miz, Commented Oct 3 at 8:58
make sure your CMakeLists.txt for the project contains your intention of using the console component (contains argtable3 among others), and that you reran cmake, so it can update all the build stuff. that also touches files that vscode draws upon for intellisense. — Christoph Rackwitz
– Christoph Rackwitz, Commented Oct 3 at 15:24
I use Espressif IDF extension 1.10.2 in vscode 1.104.1 on linux. — zamek 42
– zamek 42, Commented Oct 3 at 15:28
CMkaeLists.txt is ok, because I can compile the code successfully. — zamek 42
– zamek 42, Commented Oct 3 at 15:29
have you tried restarting vscode? have you tried clearing/rebuilding whatever caching/indexing that intellisense does? — Christoph Rackwitz
– Christoph Rackwitz, Commented Oct 3 at 15:29

zamek 42 · Accepted Answer · 2025-10-29 07:52:01Z

0

the solution is change microsoft c/c++ plugin to Clangd plugin. It works like Eclipse plugin.
in command line:

code --uninstall-extension ms-vscode.cpptools

and

code --install-extension llvm-vs-code-extensions.vscode-clangd

answered Oct 29 at 7:52

zamek 42

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