stm32wlxx-hal
Embedded rust HAL (hardware abstraction layer) for the STM32WL series.
This is still in development, the code that exists today covers basic usage of:
- SubGHz LoRa TX + RX
- SubGHz (G)FSK TX + RX
- SPI
- GPIO
- UART
- I2C
- Low-power timers
- ADC
- DAC
- PKA ECDSA signing + verification
- Secure random number generation
- AES ECB encryption + decryption
- RTC date and time
Usage
[dependencies.stm32wlxx-hal]
version = "0.6.1"
features = [
# use exactly one to match your target hardware
"stm32wl5x_cm0p",
"stm32wl5x_cm4",
"stm32wle5",
# optional: use the cortex-m-rt interrupt interface
"rt",
# optional: use defmt
"defmt",
# optional: enable conversions with embedded-time types
"embedded-time",
# optional: use the real time clock (RTC)
"chrono",
]Examples
All examples run on the NUCLEO-WL55JC2.
Most examples are written in the form of on-target tests. See testsuite/README.md for details.
There are also simple examples located in the examples crate. These can be run with the run-ex cargo alias:
cargo run-ex gpio-blinkSystem Level Example
The on-target tests and examples are a good starting point, but they demonstrate features independent of each-other. A system-level example using multiple features simultaneously is provided in a separate repo: stm32wl-lightswitch-demo
Unit Tests
Off-target unit tests use the built-in cargo framework. You must specify the target device as a feature.
cargo test --features stm32wl5x_cm4