Merge branch 'isr-wake-enable-loop-soon' into integration

esphome/core/application.h

@@ -626,6 +626,10 @@ class Application {
   static void IRAM_ATTR wake_loop_isrsafe(int *px_higher_priority_task_woken) {
     esphome_lwip_wake_main_loop_from_isr(px_higher_priority_task_woken);
   }
+
+  /// Wake the main event loop from any context (ISR, thread, or main loop).
+  /// Detects the calling context and uses the appropriate FreeRTOS API.
+  static void IRAM_ATTR wake_loop_any_context() { esphome_lwip_wake_main_loop_any_context(); }
 #endif
 #endif
 

esphome/core/component.cpp

@@ -339,9 +339,9 @@ void IRAM_ATTR HOT Component::enable_loop_soon_any_context() {
 #ifdef USE_LWIP_FAST_SELECT
   // Wake the main loop if sleeping in ulTaskNotifyTake(). Without this,
   // the main loop would not wake until the select timeout expires (~16ms).
-  // vTaskNotifyGiveFromISR(NULL) is safe here — it skips the yield flag
-  // and the context switch happens at the next scheduler tick (<1ms).
-  Application::wake_loop_isrsafe(nullptr);
+  // Uses xPortInIsrContext() to pick xTaskNotifyGive (task) or
+  // vTaskNotifyGiveFromISR (ISR) — safe from any calling context.
+  Application::wake_loop_any_context();
 #endif
 }
 void Component::reset_to_construction_state() {

esphome/core/lwip_fast_select.c

@@ -239,4 +239,20 @@ void IRAM_ATTR esphome_lwip_wake_main_loop_from_isr(int *px_higher_priority_task
   }
 }
 
+// Wake the main loop from any context (ISR, thread, or main loop).
+// Detects ISR context and delegates to the appropriate variant:
+//   ESP32 (Xtensa/RISC-V): xPortInIsrContext() — checks interrupt nesting counter
+//   LibreTiny (ARM Cortex-M): __get_IPSR() — reads IPSR register (0 = task context)
+void IRAM_ATTR esphome_lwip_wake_main_loop_any_context(void) {
+#ifdef USE_ESP32
+  if (xPortInIsrContext()) {
+#else
+  if (__get_IPSR() != 0) {
+#endif
+    esphome_lwip_wake_main_loop_from_isr(NULL);
+  } else {
+    esphome_lwip_wake_main_loop();
+  }
+}
+
 #endif  // defined(USE_ESP32) || defined(USE_LIBRETINY)

esphome/core/lwip_fast_select.h

@@ -33,6 +33,10 @@ void esphome_lwip_wake_main_loop(void);
 /// @param px_higher_priority_task_woken Set to pdTRUE if a context switch is needed.
 void esphome_lwip_wake_main_loop_from_isr(int *px_higher_priority_task_woken);
 
+/// Wake the main loop task from any context (ISR, thread, or main loop).
+/// Detects the calling context and uses the appropriate FreeRTOS API.
+void esphome_lwip_wake_main_loop_any_context(void);
+
 #ifdef __cplusplus
 }
 #endif