From d9aaa0edf88e822b9e5d6deb5f4a133dd32449fa Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Fri, 19 Mar 2021 04:02:56 +0100
Subject: [PATCH] Implement PeripheralBorrow for interrupts.

---
 embassy-macros/src/lib.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/embassy-macros/src/lib.rs b/embassy-macros/src/lib.rs
index 450edbe4..bcf9dd4e 100644
--- a/embassy-macros/src/lib.rs
+++ b/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()
 }