`efm32hg-pac`
Free[](https://crates.io/crates/efm32hg-pac)
FreeFree tier
About `efm32hg-pac`
efm32hg-pac is a Peripheral Access Crate (PAC) for the EFM32 Happy Gecko (EFM32HG) microcontroller series from Silicon Labs. It provides low-level register definitions and safe access to the device's peripherals, enabling bare-metal development in Rust. This crate is part of the rust-embedded ecosystem and is generated from official SVD files using svd2rust.
Key Features
Low-level register definitions for all peripherals
Safe peripheral access via svd2rust-generated API
Interrupt bindings for each peripheral
Support for multiple EFM32HG device variants via feature flags
Part of the rust-embedded community ecosystem
Pros & Cons
Pros
- Provides safe Rust bindings for hardware registers, reducing risk of misconfiguration
- Automatically generated from official SVD files for accuracy and completeness
- Well-documented within the rust-embedded community
- Supports multiple device variants through Cargo features
Cons
- Requires solid knowledge of embedded Rust and the EFM32HG hardware
- Offers only PAC-level abstractions; no higher-level HAL is included
- Limited to the EFM32 Happy Gecko series only
Best For
Bare-metal embedded development on EFM32HG seriesWriting device drivers with direct register accessLow-level hardware abstraction for RTOS or bare-metal applications
FAQ
What is a Peripheral Access Crate (PAC)?
A PAC is a low-level Rust crate generated from the device's SVD file that provides type-safe register definitions and safe access to hardware peripherals, forming the foundation for higher-level hardware abstraction layers.
How do I use this crate?
Add `efm32hg-pac` as a dependency in your Cargo.toml and enable the appropriate feature flag for your specific EFM32HG device variant. Refer to the crate documentation for register access examples.