feat(esp8266): add API to be compatible with esp-idf

components/esp8266/include/esp_event.h

@@ -183,6 +183,17 @@ esp_err_t esp_event_process_default(system_event_t *event);
   */
 void esp_event_set_default_wifi_handlers();
 
+/**
+ * @brief Create default event loop
+ *
+ * @return
+ *  - ESP_OK: Success
+ *  - ESP_ERR_NO_MEM: Cannot allocate memory for event loops list
+ *  - ESP_FAIL: Failed to create task loop
+ *  - Others: Fail
+ */
+esp_err_t esp_event_loop_create_default(void);
+
 #ifdef __cplusplus
 }
 #endif

components/esp8266/source/event_loop.c

@@ -109,3 +109,8 @@ esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx)
     s_event_init_flag = true;
     return ESP_OK;
 }
+
+esp_err_t esp_event_loop_create_default(void)
+{
+    return ESP_OK;
+}