3 files changed, 36 insertions, 20 deletions
diff --git a/macros/src/check.rs b/macros/src/check.rs
index 374fcedd..4b360738 100644
--- a/macros/src/check.rs
+++ b/macros/src/check.rs
@@ -40,7 +40,11 @@ pub fn app(app: &App, _analysis: &Analysis) -> parse::Result<Extra> {
         })
         .collect::<HashSet<_>>();
 
-    let need = priorities.len();
+    let need = priorities
+        .iter()
+        // Only count if not 0
+        .filter_map(|prio| if *prio > 0 { Some(prio) } else { None })
+        .count();
     let given = app.args.extern_interrupts.len();
     if need > given {
         let s = {
diff --git a/macros/src/codegen/dispatchers.rs b/macros/src/codegen/dispatchers.rs
index 9552451c..cc994402 100644
--- a/macros/src/codegen/dispatchers.rs
+++ b/macros/src/codegen/dispatchers.rs
@@ -10,6 +10,21 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
 
     let interrupts = &analysis.interrupts;
 
+    // Generate executor definition in global scope
+    for (name, task) in app.software_tasks.iter() {
+        if task.is_async {
+            let type_name = util::internal_task_ident(name, "F");
+            let exec_name = util::internal_task_ident(name, "EXEC");
+
+            items.push(quote!(
+                type #type_name = impl core::future::Future + 'static;
+                static #exec_name:
+                    rtic::RacyCell<rtic::export::executor::AsyncTaskExecutor<#type_name>> =
+                        rtic::RacyCell::new(rtic::export::executor::AsyncTaskExecutor::new());
+            ));
+        }
+    }
+
     for (&level, channel) in &analysis.channels {
         let mut stmts = vec![];
 
@@ -123,24 +138,17 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
             })
             .collect::<Vec<_>>();
 
-        for (name, task) in app.software_tasks.iter() {
-            if task.is_async {
-                let type_name = util::internal_task_ident(name, "F");
-                let exec_name = util::internal_task_ident(name, "EXEC");
-
-                stmts.push(quote!(
-                    type #type_name = impl core::future::Future + 'static;
-                    static #exec_name:
-                        rtic::RacyCell<rtic::export::executor::AsyncTaskExecutor<#type_name>> =
-                            rtic::RacyCell::new(rtic::export::executor::AsyncTaskExecutor::new());
-                ));
-            }
-        }
-
-        let n_executors = app
-            .software_tasks
+        let n_executors = channel
+            .tasks
             .iter()
-            .map(|(_, task)| if task.is_async { 1 } else { 0 })
+            .map(|name| {
+                let task = &app.software_tasks[name];
+                if task.is_async {
+                    1
+                } else {
+                    0
+                }
+            })
             .sum::<usize>()
             .max(1);
 
@@ -165,9 +173,10 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
             }
         ));
 
-        for (name, _task) in app.software_tasks.iter().filter_map(|(name, task)| {
+        for name in channel.tasks.iter().filter_map(|name| {
+            let task = &app.software_tasks[name];
             if task.is_async {
-                Some((name, task))
+                Some(name)
             } else {
                 None
             }
diff --git a/macros/src/codegen/idle.rs b/macros/src/codegen/idle.rs
index 83b85d7b..ea23f814 100644
--- a/macros/src/codegen/idle.rs
+++ b/macros/src/codegen/idle.rs
@@ -80,6 +80,9 @@ pub fn codegen(
 
         (mod_app, root_idle, user_idle, call_idle)
     } else {
+        // TODO: No idle defined, check for 0-priority tasks and generate an executor if needed
+
+        //
         (
             vec![],
             vec![],