We encourage the users to use the example as a template for the new projects. .
The project MQTT contains one source file in C language main.c. The file is located in folder main.
ESP-IDF projects are built using CMake. The project build configuration is contained in CMakeLists.txt
files that provide set of directives and instructions describing the project's source files and targets
(executable, library, or both).
Below is short explanation of remaining files in the project folder.
├── CMakeLists.txt
├── main
│ ├── CMakeLists.txt
│ └── main.c
└── README.md This is the file you are currently reading
Additionally, the sample project contains Makefile and component.mk files, used for the legacy Make based build system. They are not used or needed when building with CMake and idf.py.