(Relatively) generic ESP32 build configuration for VSCode, using IDF v4.3. Requires setting IDF_PATH and IDF_TOOLS_PATH environmental variables.

esp32_c_cpp_properties.json

{
    "configurations": [
        {
            "name": "ESP32",
            "includePath": [
                "${default}",
                "${workspaceFolder}",
                "${workspaceFolder}/main",
                "${workspaceFolder}/components/**",
                "${workspaceFolder}/build/config",
                "${env:IDF_PATH}/components/**"
            ],
            "defines": [
                "_DEBUG",
                "UNICODE",
                "_UNICODE"
            ],
            "windowsSdkVersion": "10.0.19041.0",
            "compilerPath": "${env:IDF_TOOLS_PATH}/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/xtensa-esp32-elf-g++.exe",
            "cStandard": "c11",
            "cppStandard": "c++14",
            "intelliSenseMode": "windows-gcc-x86",
            "compileCommands": "${workspaceFolder}/build/compile_commands.json",
            "configurationProvider": "ms-vscode.cmake-tools"
        }
    ],
    "env": {
        "IDF_PYTHON_ENV_PATH": "${env:IDF_TOOLS_PATH}/python_env/idf4.3_py3.8_env"
    },
    "version": 4
}