feat(buzzer): Add esp-hal-buzzer to drive a piezo-electric buzzer.

Provides a driver for a piezo-electric buzzer by abstracting LEDC and offering a user-friendly API for a buzzer

Cargo.toml

@@ -6,6 +6,7 @@ exclude  = [
     "esp-backtrace",
     "esp-build",
     "esp-hal",
+    "esp-hal-buzzer",
     "esp-hal-embassy",
     "esp-hal-procmacros",
     "esp-hal-smartled",

esp-hal-buzzer/CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+### Added
+
+### Changed
+
+### Fixed
+
+### Removed
+
+## 0.1.0 - 2024-08-21 - Initial release

esp-hal-buzzer/Cargo.toml

@@ -0,0 +1,38 @@
+[package]
+name = "esp-hal-buzzer"
+version = "0.1.0"
+edition = "2021"
+rust-version = "1.76.0"
+description  = "Buzzer driver for esp-hal"
+repository   = "https://github.com/esp-rs/esp-hal"
+license      = "MIT OR Apache-2.0"
+
+[package.metadata.docs.rs]
+features = ["esp32c3"]
+targets  = ["riscv32imc-unknown-none-elf"]
+
+[dependencies]
+defmt             = { version = "0.3.8", optional = true }
+document-features = "0.2.10"
+esp-hal           = { version = "0.19.0", path = "../esp-hal" }
+fugit             = "0.3.7"
+
+[features]
+## Implement `defmt::Format` on certain types.
+defmt = ["dep:defmt", "esp-hal/defmt"]
+
+#! ### Chip Support Feature Flags
+## Target the ESP32.
+esp32   = ["esp-hal/esp32"]
+## Target the ESP32-C2.
+esp32c2 = ["esp-hal/esp32c2"]
+## Target the ESP32-C3.
+esp32c3 = ["esp-hal/esp32c3"]
+## Target the ESP32-C6.
+esp32c6 = ["esp-hal/esp32c6"]
+## Target the ESP32-H2.
+esp32h2 = ["esp-hal/esp32h2"]
+## Target the ESP32-S2.
+esp32s2 = ["esp-hal/esp32s2"]
+## Target the ESP32-S3.
+esp32s3 = ["esp-hal/esp32s3"]

esp-hal-buzzer/README.md

@@ -0,0 +1,35 @@
+# esp-hal-buzzer
+
+[![Crates.io](https://img.shields.io/crates/v/esp-hal-buzzer?labelColor=1C2C2E&color=C96329&logo=Rust&style=flat-square)](https://crates.io/crates/esp-hal-buzzer)
+[![docs.rs](https://img.shields.io/docsrs/esp-hal-buzzer?labelColor=1C2C2E&color=C96329&logo=rust&style=flat-square)](https://docs.rs/esp-hal-buzzer)
+![MSRV](https://img.shields.io/badge/MSRV-1.76-blue?labelColor=1C2C2E&style=flat-square)
+![Crates.io](https://img.shields.io/crates/l/esp-hal-buzzer?labelColor=1C2C2E&style=flat-square)
+[![Matrix](https://img.shields.io/matrix/esp-rs:matrix.org?label=join%20matrix&labelColor=1C2C2E&color=BEC5C9&logo=matrix&style=flat-square)](https://matrix.to/#/#esp-rs:matrix.org)
+
+Provides a driver to easily interact with piezo-electric buzzers for `esp-hal`. The crate uses the underlying Ledc driver and provides a user-friendly API.
+
+A few songs are included in the [songs](./src/songs.rs) module. Contributions are welcome.
+
+## [Documentation]
+
+[documentation]: https://docs.rs/esp-hal-buzzer/
+
+## Minimum Supported Rust Version (MSRV)
+
+This crate is guaranteed to compile on stable Rust 1.76 and up. It _might_
+compile with older versions but that may change in any new patch release.
+
+## License
+
+Licensed under either of:
+
+- Apache License, Version 2.0 ([LICENSE-APACHE](../LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+- MIT license ([LICENSE-MIT](../LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in
+the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without
+any additional terms or conditions.