1 files changed, 32 insertions, 0 deletions

diff --git a/embassy-stm32-wpan/src/wb55/mac/macros.rs b/embassy-stm32-wpan/src/wb55/mac/macros.rs
new file mode 100644
index 000000000..1a988a779
--- /dev/null
+++ b/embassy-stm32-wpan/src/wb55/mac/macros.rs
@@ -0,0 +1,32 @@
+#[macro_export]
+macro_rules! numeric_enum {
+    (#[repr($repr:ident)]
+     $(#$attrs:tt)* $vis:vis enum $name:ident {
+        $($(#$enum_attrs:tt)* $enum:ident = $constant:expr),* $(,)?
+    } ) => {
+        #[repr($repr)]
+        $(#$attrs)*
+        $vis enum $name {
+            $($(#$enum_attrs)* $enum = $constant),*
+        }
+
+        impl ::core::convert::TryFrom<$repr> for $name {
+            type Error = ();
+
+            fn try_from(value: $repr) -> ::core::result::Result<Self, ()> {
+                match value {
+                    $($constant => Ok( $name :: $enum ),)*
+                    _ => Err(())
+                }
+            }
+        }
+
+        impl ::core::convert::From<$name> for $repr {
+            fn from(value: $name) -> $repr {
+                match value {
+                    $($name :: $enum => $constant,)*
+                }
+            }
+        }
+    }
+}