fn main() {
    // It is necessary to call this function once. Otherwise some patches to the runtime
    // implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71
    esp_idf_svc::sys::link_patches();

    // Bind the log crate to the ESP Logging facilities
    esp_idf_svc::log::EspLogger::initialize_default();

    log::info!("Hello world!");
}


main.rs

diagram.json

[package]
name = "rust-project-esp32"
version = "0.1.0"
authors = ["Sergio Gasquez <sergio.gasquez@gmail.com>"]
edition = "2021"
resolver = "2"
rust-version = "1.71"

[profile.release]
opt-level = "s"
debug = true    # Symbols are nice and they don't increase the size on Flash

[features]
default = ["std", "embassy", "esp-idf-svc/native"]

std = ["esp-idf-svc/alloc", "esp-idf-svc/binstart", "esp-idf-svc/std"]
embassy = ["esp-idf-svc/embassy-sync", "esp-idf-svc/critical-section", "esp-idf-svc/embassy-time-driver"]

[dependencies]
log = { version = "0.4", default-features = false }
esp-idf-svc = { version = "0.49.0", default-features = false }

[build-dependencies]
embuild = "0.32.0"
