Explain yielding

esp-rs · Feb 21, 2025 · 4a9ef47 · 4a9ef47
1 parent c8c35e2
commit 4a9ef47
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/esp-wifi/src/preempt_builtin/timer/xtensa.rs b/esp-wifi/src/preempt_builtin/timer/xtensa.rs
@@ -62,6 +62,8 @@ extern "C" fn timer_tick_handler() {
         timer.clear_interrupt();
     });
 
+    // For unknown reasons, task_switch would end up generating an exception when
+    // called at priority 1, so trigger the level 3 interrupt instead.
     yield_task();
 }