fix

1 files changed, 21 insertions, 4 deletions

diff --git a/embassy-stm32/src/lib.rs b/embassy-stm32/src/lib.rs
index c59174988..de68c54dc 100644
--- a/embassy-stm32/src/lib.rs
+++ b/embassy-stm32/src/lib.rs
@@ -188,13 +188,30 @@ macro_rules! bind_interrupts {
                 )*
             }
 
-            $(
-                $(#[cfg($cond_irq)])?
+            $crate::bind_interrupts!(@__generate_impls $name $(#[cfg($cond_irq)])? $irq => $(
                 $(#[cfg($cond_handler)])?
-                unsafe impl $crate::interrupt::typelevel::Binding<$crate::interrupt::typelevel::$irq, $handler> for $name {}
-            )*
+                $handler;
+            )*);
         )*
     };
+
+    (@__generate_single_impl $name:ident $(#[cfg($cond_irq:meta)])? $irq:ident => $(#[cfg($cond_handler:meta)])? $handler:ty;) => {
+        #[cfg(all(
+            $($cond_irq,)?
+            $($cond_handler,)?
+        ))]
+        unsafe impl $crate::interrupt::typelevel::Binding<$crate::interrupt::typelevel::$irq, $handler> for $name {}
+    };
+
+    (@__generate_impls $name:ident $(#[cfg($cond_irq:meta)])? $irq:ident => $(#[cfg($cond_handler:meta)])? $handler:ty;) => {
+        $crate::bind_interrupts!(@__generate_single_impl $name $(#[cfg($cond_irq)])? $irq => $(#[cfg($cond_handler)])? $handler;);
+    };
+
+    (@__generate_impls $name:ident $(#[cfg($cond_irq:meta)])? $irq:ident => $(#[cfg($cond_handler:meta)])? $handler:ty; $(tail:tt)*) => {
+        $crate::bind_interrupts!(@__generate_single_impl $name $(#[cfg($cond_irq)])? $irq => $(#[cfg($cond_handler)])? $handler;);
+
+        $crate::bind_interrupts!(@__generate_impls $name $(#[cfg($cond_irq)])? $irq => $(tail)*);
+    };
 }
 
 // Reexports