53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
#![macro_use]
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use crate::pac::rng::{regs, Rng};
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use crate::peripherals;
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use embassy::util::Unborrow;
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use embassy_extras::unborrow;
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pub struct Random<T: Instance> {
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inner: T,
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}
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impl<T: Instance> Random<T> {
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pub fn new(inner: impl Unborrow<Target = T>) -> Self {
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unborrow!(inner);
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Self { inner }
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}
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}
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use core::future::Future;
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use core::marker::PhantomData;
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use embassy::traits::rng::Rng as RngTrait;
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impl<T: Instance> RngTrait for Random<T> {
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type Error = ();
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#[rustfmt::skip]
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type RngFuture<'a> where Self: 'a = impl Future<Output = Result<(), Self::Error>>;
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fn fill<'a>(&'a mut self, dest: &'a mut [u8]) -> Self::RngFuture<'a> {
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async move { Ok(()) }
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}
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}
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pub(crate) mod sealed {
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use super::*;
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pub trait Instance {
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fn regs(&self) -> Rng;
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}
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}
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pub trait Instance: sealed::Instance {}
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macro_rules! impl_rng {
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($inst:ident) => {
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impl crate::rng::sealed::Instance for peripherals::$inst {
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fn regs(&self) -> crate::pac::rng::Rng {
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crate::pac::$inst
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}
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}
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impl crate::rng::Instance for peripherals::$inst {}
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};
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}
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