Yeet core::sync::atomic, remove futures-util dep

embassy-executor/CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.3.2
+
+- Use `atomic-polyfill` for `riscv32`
+
 ## 0.3.1 - 2023-11-01
 
 - Fix spurious "Found waker not created by the Embassy executor" error in recent nightlies.

embassy-executor/Cargo.toml

@@ -57,7 +57,6 @@ defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 rtos-trace = { version = "0.1.2", optional = true }
 
-futures-util = { version = "0.3.17", default-features = false }
 embassy-macros = { version = "0.2.1", path = "../embassy-macros" }
 embassy-time = { version = "0.1.5", path = "../embassy-time", optional = true}
 atomic-polyfill = "1.0.1"

embassy-executor/src/arch/riscv32.rs

@@ -6,8 +6,8 @@ pub use thread::*;
 #[cfg(feature = "executor-thread")]
 mod thread {
     use core::marker::PhantomData;
-    use core::sync::atomic::{AtomicBool, Ordering};
 
+    use atomic_polyfill::{AtomicBool, Ordering};
     #[cfg(feature = "nightly")]
     pub use embassy_macros::main_riscv as main;