Fix fences

macros/src/codegen/async_dispatchers.rs

@@ -101,7 +101,12 @@ pub fn codegen(app: &App, analysis: &Analysis) -> Vec<TokenStream2> {
                 const PRIORITY: u8 = #level;
 
                 rtic::export::run(PRIORITY, || {
+                    // Have the acquire/release semantics outside the checks to no overdo it
+                    core::sync::atomic::fence(core::sync::atomic::Ordering::Acquire);
+
                     #(#stmts)*
+
+                    core::sync::atomic::fence(core::sync::atomic::Ordering::Release);
                 });
             }
         ));

macros/src/codegen/module.rs

@@ -111,14 +111,8 @@ pub fn codegen(
 
     let v = Vec::new();
     let cfgs = match ctxt {
-        Context::HardwareTask(t) => {
+        Context::HardwareTask(t) => &app.hardware_tasks[t].cfgs,
-            &app.hardware_tasks[t].cfgs
+        Context::SoftwareTask(t) => &app.software_tasks[t].cfgs,
-            // ...
-        }
-        Context::SoftwareTask(t) => {
-            &app.software_tasks[t].cfgs
-            // ...
-        }
         _ => &v,
     };