1 files changed, 20 insertions, 0 deletions
diff --git a/src/cs/cortex.rs b/src/cs/cortex.rs
new file mode 100644
index 0000000..cc97a12
--- /dev/null
+++ b/src/cs/cortex.rs
@@ -0,0 +1,20 @@
+use super::CriticalSection;
+
+use cortex_m::interrupt;
+
+pub struct Locker {}
+
+impl Locker {
+    pub const fn new() -> Self {
+        Self {}
+    }
+}
+
+impl CriticalSection for Locker {
+    fn with_lock<F, R>(&self, f: F) -> R
+    where
+        F: FnOnce() -> R,
+    {
+        interrupt::free(|_cs| f())
+    }
+}