Ensure interrupt::take works without embassy-executor

Add "rtos-trace-interrupt" feature flag on embassy-macros and enable it
for embassy-executor, to ensure that the interrupt::take! macro can be
used without depending on embassy-executor.

1 files changed, 21 insertions, 6 deletions

diff --git a/embassy-macros/src/macros/cortex_m_interrupt_take.rs b/embassy-macros/src/macros/cortex_m_interrupt_take.rs
index f6e41bcb4..d30189ce3 100644
--- a/embassy-macros/src/macros/cortex_m_interrupt_take.rs
+++ b/embassy-macros/src/macros/cortex_m_interrupt_take.rs
@@ -6,6 +6,23 @@ pub fn run(name: syn::Ident) -> Result<TokenStream, TokenStream> {
     let name_interrupt = format_ident!("{}", name);
     let name_handler = format!("__EMBASSY_{}_HANDLER", name);
 
+    #[cfg(feature = "rtos-trace-interrupt")]
+    let (isr_enter, isr_exit) = (
+        quote! {
+            ::embassy_executor::rtos_trace_interrupt! {
+                ::embassy_executor::export::trace::isr_enter();
+            }
+        },
+        quote! {
+            ::embassy_executor::rtos_trace_interrupt! {
+                ::embassy_executor::export::trace::isr_exit();
+            }
+        },
+    );
+
+    #[cfg(not(feature = "rtos-trace-interrupt"))]
+    let (isr_enter, isr_exit) = (quote! {}, quote! {});
+
     let result = quote! {
         {
             #[allow(non_snake_case)]
@@ -19,13 +36,11 @@ pub fn run(name: syn::Ident) -> Result<TokenStream, TokenStream> {
                 let func = HANDLER.func.load(interrupt::_export::atomic::Ordering::Relaxed);
                 let ctx = HANDLER.ctx.load(interrupt::_export::atomic::Ordering::Relaxed);
                 let func: fn(*mut ()) = ::core::mem::transmute(func);
-                ::embassy_executor::rtos_trace_interrupt! {
-                    ::embassy_executor::export::trace::isr_enter();
-                }
+                #isr_enter
+
                 func(ctx);
-                ::embassy_executor::rtos_trace_interrupt! {
-                    ::embassy_executor::export::trace::isr_exit();
-                }
+                #isr_exit
+
             }
 
             static TAKEN: interrupt::_export::atomic::AtomicBool = interrupt::_export::atomic::AtomicBool::new(false);