From b96b032ff96276ce145e3b74b7ef109d8db6592b Mon Sep 17 00:00:00 2001
From: orielhaim <orielhaim2@gmail.com>
Date: Sun, 1 Nov 2026 22:31:00 +0200
Subject: [PATCH] Add portable-atomic feature for thumbv6m support

---
 Cargo.toml |  3 +++
 src/lib.rs | 11 +++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index e139b06..7a0eb33 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,9 @@ keywords = ["cortex-m", "nxp", "lpc"]
 categories = ["development-tools", "embedded"]
 rust-version = "1.79"
 
+[dependencies]
+portable-atomic = { version = "1", optional = true }
+
 [target.'cfg(loom)'.dependencies]
 loom = "0.5"
 
diff --git a/src/lib.rs b/src/lib.rs
index 5b34126..6023aee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -118,10 +118,13 @@ use loom::{
 };
 
 #[cfg(not(loom))]
-use core::{
-    cell::UnsafeCell,
-    sync::atomic::{AtomicBool, AtomicU8, AtomicUsize},
-};
+use core::cell::UnsafeCell;
+
+#[cfg(all(not(loom), not(feature = "portable-atomic")))]
+use core::sync::atomic::{AtomicBool, AtomicU8, AtomicUsize};
+
+#[cfg(all(not(loom), feature = "portable-atomic"))]
+use portable_atomic::{AtomicBool, AtomicU8, AtomicUsize};
 
 #[derive(Clone, Copy)]
 pub struct Error;