itm-decode is both an executable binary that can be run, and a library that can be used in Rust programs.
Installing the command-line executable
Assuming you have Rust/Cargo installed, run this command in a terminal:
cargo install itm-decode
It will make the itm-decode command available in your PATH if you've allowed the PATH to be modified when installing Rust. cargo uninstall itm-decode uninstalls.
Adding itm_decode library as a dependency
Run this command in a terminal, in your project's directory:
cargo add itm-decode
To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:
itm-decode = "0.6.1"
The itm_decode library will be automatically available globally.
Read the itm_decode library documentation.