`esp32c3` logo

`esp32c3`

Free

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FreeFree tier
Type
Open Source
Company
Espressif Systems

About `esp32c3`

The esp32c3 crate is a Peripheral Access Crate (PAC) for the ESP32-C3 microcontroller from Espressif. It provides low-level register access and type-safe peripherals generated from the official SVD file using svd2rust. This crate enables embedded Rust developers to directly interact with the hardware registers of the ESP32-C3, making it suitable for writing drivers, bare-metal applications, and real-time systems.

Key Features

Generated from official SVD file using svd2rust
Type-safe, low-level register access for ESP32-C3 peripherals
Dual-licensed under Apache-2.0 and MIT
Part of the esp-rs ecosystem for Espressif chips

Pros & Cons

Pros
  • Free and open source (dual-licensed Apache-2.0/MIT)
  • Provides safe, Rust-idiomatic register access
  • Closely follows the official SVD for accuracy
  • Backed by the esp-rs community and Espressif
Cons
  • Limited to ESP32-C3 hardware only
  • Low-level; requires understanding of hardware registers
  • Not a high-level HAL; additional crates needed for abstraction

Best For

Embedded system development with Rust on ESP32-C3Writing peripheral drivers for ESP32-C3Bare-metal programming and real-time firmwareHardware abstraction for ESP32-C3 based IoT devices

FAQ

What is a Peripheral Access Crate (PAC)?
A PAC provides direct, type-safe access to the device's peripheral registers, generated from the SVD description. It is the lowest-level hardware abstraction in the `svd2rust` framework.
How do I report issues with the SVD file?
Problems with the included SVD file should be reported in the [espressif/svd](https://github.com/espressif/svd) repository so fixes can be applied upstream.
Is this crate officially supported by Espressif?
While the crate is part of the esp-rs project, the SVD file originates from Espressif. The crate is community-maintained and open source.