Support 0 prio tasks

1 files changed, 9 insertions, 8 deletions

diff --git a/macros/src/codegen/module.rs b/macros/src/codegen/module.rs
index c6f7690f..70fbb5e6 100644
--- a/macros/src/codegen/module.rs
+++ b/macros/src/codegen/module.rs
@@ -135,13 +135,14 @@ pub fn codegen(ctxt: Context, app: &App, analysis: &Analysis) -> TokenStream2 {
         // Store a copy of the task cfgs
         task_cfgs = cfgs.clone();
 
-        let device = &app.args.device;
-        let enum_ = util::interrupt_ident();
-        let interrupt = &analysis
-            .interrupts
-            .get(&priority)
-            .expect("RTIC-ICE: interrupt identifier not found")
-            .0;
+        let pend_interrupt = if priority > 0 {
+            let device = &app.args.device;
+            let enum_ = util::interrupt_ident();
+            let interrupt = &analysis.interrupts.get(&priority).expect("UREACHABLE").0;
+            quote!(rtic::pend(#device::#enum_::#interrupt);)
+        } else {
+            quote!()
+        };
 
         let internal_spawn_ident = util::internal_task_ident(name, "spawn");
 
@@ -160,7 +161,7 @@ pub fn codegen(ctxt: Context, app: &App, analysis: &Analysis) -> TokenStream2 {
                     Err(())
                 } else {
                     #rq.store(true, core::sync::atomic::Ordering::Release);
-                    rtic::pend(#device::#enum_::#interrupt);
+                    #pend_interrupt
                     Ok(())
                 }
             }