Implement PeripheralBorrow for interrupts.

embassy-macros/src/lib.rs

@@ -137,6 +137,20 @@ pub fn interrupt_declare(item: TokenStream) -> TokenStream {
                 &HANDLER
             }
         }
+
+        impl ::embassy::util::PeripheralBorrow for #name_interrupt {
+            type Target = #name_interrupt;
+            unsafe fn unborrow(self) -> #name_interrupt {
+                self
+            }
+        }
+
+        impl ::embassy::util::PeripheralBorrow for &mut #name_interrupt {
+            type Target = #name_interrupt;
+            unsafe fn unborrow(self) -> #name_interrupt {
+                ::core::ptr::read(self)
+            }
+        }
     };
     result.into()
 }