`stm32h7xx-hal`
Free[](https://crates.io/crates/stm32h7xx-hal)
FreeFree tier
About `stm32h7xx-hal`
stm32h7xx-hal is a Hardware Abstraction Layer (HAL) crate for STM32H7 microcontrollers, written in Rust. It provides a safe and ergonomic interface to the peripherals of STM32H7x3 and H7x5/x7 families, built on top of the svd2rust-generated Peripheral Access Crate (PAC). The crate aims to be a foundational building block for embedded Rust projects targeting high-performance Cortex-M7 microcontrollers, offering type-safe APIs for GPIO, SPI, I2C, UART, ADC, DAC, timers, DMA, and more. It follows the embedded-hal traits for portability across embedded platforms.
Key Features
Type-safe and safe Rust bindings to STM32H7 peripherals
Compliant with embedded-hal traits for cross-platform compatibility
Support for GPIO, SPI, I2C, UART, ADC, DAC, timers, DMA, and more
Based on svd2rust-generated PAC for reliable register access
Active development with community contributions in the rust-embedded ecosystem
Pros & Cons
Pros
- Leverages Rust's memory safety guarantees to prevent undefined behavior
- Well-integrated with the Rust embedded ecosystem (embedded-hal, RTIC, etc.)
- Comprehensive coverage of STM32H7 peripheral families
- No runtime dependencies or overhead, suitable for bare-metal targets
- Open source under MIT/Apache 2.0 license
Cons
- Learning curve for developers new to embedded Rust
- May not yet fully support every peripheral variant across all STM32H7 devices
- Requires familiarity with low-level MCU concepts and register configurations
Best For
Embedded systems development with STM32H7 MCUsReal-time control and automation using Cortex-M7 coresIoT sensor nodes and edge computing devicesPrototyping and hobbyist projects requiring high-performance microcontrollers
FAQ
What microcontrollers does stm32h7xx-hal support?
The crate supports STM32H7x3 and H7x5/x7 families. Check the Cargo.toml feature flags for specific device variants.
Is it production-ready?
The crate is actively maintained by the community and widely used in embedded projects, but as with many HAL crates, users should verify against their specific hardware and peripheral requirements.
How do I get started with stm32h7xx-hal?
Add the crate with the appropriate feature flag for your target MCU, set up a standard Rust embedded project with a target like thumbv7em-none-eabihf, and follow examples in the repository documentation.