c501b162fc
Modify init function to return a Clock instance defined by a per-chip SystemClock type and use this in macro setup A proof of concept implementation for STM32 L0 chips. This allows using embassy::main macros for STM32 devices that have the clock setup logic.
73 lines
1.4 KiB
Rust
73 lines
1.4 KiB
Rust
#![no_std]
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#![feature(generic_associated_types)]
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#![feature(asm)]
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#![feature(min_type_alias_impl_trait)]
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#![feature(impl_trait_in_bindings)]
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#![feature(type_alias_impl_trait)]
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#![allow(incomplete_features)]
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// This must go FIRST so that all the other modules see its macros.
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pub mod fmt;
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#[cfg(feature = "_timer")]
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pub mod clock;
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#[cfg(feature = "_dma")]
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pub mod dma;
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pub mod exti;
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pub mod gpio;
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pub mod pwr;
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pub mod rcc;
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#[cfg(feature = "_rng")]
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pub mod rng;
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#[cfg(feature = "_sdmmc")]
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pub mod sdmmc;
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#[cfg(feature = "_spi")]
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pub mod spi;
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#[cfg(feature = "_usart")]
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pub mod usart;
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// This must go LAST so that it sees the `impl_foo!` macros
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#[cfg(feature = "pac")]
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pub mod pac;
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#[cfg(not(feature = "pac"))]
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mod pac;
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pub mod time;
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pub use embassy_macros::interrupt;
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pub use pac::{interrupt, peripherals, Peripherals};
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pub use rcc::SystemClock;
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// workaround for svd2rust-generated code using `use crate::generic::*;`
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pub(crate) use pac::regs::generic;
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#[non_exhaustive]
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pub struct Config {
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rcc: rcc::Config,
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}
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impl Config {
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pub fn new(rcc: rcc::Config) -> Self {
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Self { rcc }
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}
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}
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impl Default for Config {
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fn default() -> Self {
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Self {
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rcc: Default::default(),
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}
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}
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}
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/// Initialize embassy.
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pub fn init(config: Config) -> (Peripherals, SystemClock) {
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let p = Peripherals::take();
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unsafe {
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dma::init();
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pac::init_exti();
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(p, rcc::init(config.rcc))
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}
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}
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