esp-hal
linux-embedded-hal
| esp-hal | linux-embedded-hal | |
|---|---|---|
| 3 | 1 | |
| 565 | 224 | |
| 3.7% | 0.4% | |
| 9.8 | 7.5 | |
| 7 days ago | 3 months ago | |
| Rust | Rust | |
| Apache License 2.0 | Apache License 2.0 |
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esp-hal
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Rust on Espressif chips – 29-09-2023
In the esp-hal, they appear to offer both sync and async I2C implementations, depending on what works best for an application. Since the async implementation is gated by a feature, it may not show up in the docs you linked.
Async implementation: https://github.com/esp-rs/esp-hal/blob/main/esp-hal-common/s...
You can also see the async feature mentioned here: https://docs.rs/crate/esp32s2-hal/latest/features
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The Embedded Rust ESP Development Ecosystem
Going another level up the chain, we then have the hardware abstraction layer (HAL) crate. HAL crates are supposed to offer more portability and user-friendly API for a particular processor. For ESP devices the different hals are captured in the esp-hal repository. This occurs by implementing some common traits defined in what is referred to as the embedded-hal. Additionally, the device HAL attempts to incorporate mechanisms, or wrappers around lower-level functions, that are part of the Rust safety model.
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How to write HALs and get into microcontroller programming
There is https://docs.rust-embedded.org/book/design-patterns/hal/index.html but I wonder what OP is missing in https://github.com/esp-rs/esp-hal
linux-embedded-hal
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Rust for realtime motion control.
Makes sense. The EtherCAT master component can be loaded as a kernel module (for Etherlab), which I think is somewhat independent of the user code. The rust code interfaces with the driver through syscalls. There is some discussion about Rust with PREEMPT_RT here https://github.com/rust-embedded/linux-embedded-hal/issues/45 but it looks like it is still open.
What are some alternatives?
esp32-phantom - ESP32 Rust-based WiFi and BLE sandbox
atsamd - Target atsamd microcontrollers using Rust
esp-idf-hal - embedded-hal implementation for Rust on ESP32 and ESP-IDF
jailhouse - Linux-based partitioning hypervisor
esp-pacs - Peripheral Access Crates for Espressif SoCs and modules
bl602-hal - Hardware Abstract Layer for BL602 RISC-V WiFi + BLE SoC in embedded Rust
esp-storage - implementation of embedded-storage traits to access unencrypted ESP32 flash
embedded-trainings-2020
esp-wifi - A WiFi, Bluetooth and ESP-NOW driver for use with Espressif chips and bare-metal Rust
ethercat - Rust wrapper for the IgH EtherCAT master
esp-println - Provides print! and println! implementations various Espressif devices
botnana-api-rs - Botnana Client Library In Rust