Fixes

dependencies.lock

@@ -42,7 +42,7 @@ dependencies:
     version: 1.1.4
   espressif/esp_hosted:
     component_hash: 
-      b6422e810fe97acd87ac184f7da1653e69e885fd209e13c5b1ae20c5787d914d
+      49424510d8cf3659aa4bcf787e7b4abbf11848a25e7e5f133cf7f3324860d066
     dependencies:
     - name: idf
       require: private
@@ -50,7 +50,7 @@ dependencies:
     source:
       registry_url: https://components.espressif.com
       type: service
-    version: 2.11.1
+    version: 2.11.3
   espressif/esp_lcd_touch:
     component_hash: 
       3f85a7d95af876f1a6ecca8eb90a81614890d0f03a038390804e5a77e2caf862
@@ -377,7 +377,7 @@ dependencies:
       17e68bfd21f0edf4c3ee838e2273da840bf3930e5dbc3bfa6c1190c3aed41f9f
     dependencies: []
     source:
-      registry_url: https://components.espressif.com/
+      registry_url: https://components.espressif.com
       type: service
     version: 9.4.0
   waveshare/esp_lcd_jd9365_10_1:
@@ -408,8 +408,7 @@ direct_dependencies:
 - espressif/esp_tinyusb
 - espressif/esp_wifi_remote
 - idf
-- lvgl/lvgl
 - waveshare/esp_lcd_jd9365_10_1
-manifest_hash: 77a45d81439c2b8bff313cb08784154731b4451f54eecd31bcd4c2fc83b0f096
+manifest_hash: 4224a9627ef40f4e86cf66ea3d5037d4b4dbfca46c368078b42e6988300c7f2f
 target: esp32p4
 version: 2.0.0

main/Gui.cpp

@@ -1,5 +1,6 @@
 #include "Gui.hpp"
 #include "esp_lv_adapter.h"
+#include "esp_log.h"
 #include "Gui/WifiSetting.hpp"
 #include "Gui/EthSetting.hpp"
 #include "WidgetManager.hpp"
@@ -14,15 +15,27 @@ static void screen_long_press_handler(lv_event_t * e)
     }
 }
 
+static void widget_manager_timer_cb(lv_timer_t* timer)
+{
+    (void)timer;
+    // Debug: Log every 100th call to verify timer is running
+    static uint32_t callCount = 0;
+    if (++callCount % 100 == 0) {
+        ESP_LOGI("Gui", "Timer tick %lu", callCount);
+    }
+    WidgetManager::instance().loop();
+}
+
 void Gui::create()
 {
     // Initialize WidgetManager (loads config from SD card)
     WidgetManager::instance().init();
 
     if (esp_lv_adapter_lock(-1) == ESP_OK) {
-        // Add long press handler for settings
+        // TEMP: Disabled long press handler for testing
-        lv_obj_add_event_cb(lv_scr_act(), screen_long_press_handler,
+        // lv_obj_add_event_cb(lv_scr_act(), screen_long_press_handler,
-                            LV_EVENT_LONG_PRESSED, NULL);
+        //                     LV_EVENT_LONG_PRESSED, NULL);
+        lv_timer_create(widget_manager_timer_cb, 10, nullptr);
 
         esp_lv_adapter_unlock();
     }

main/Gui/EthSetting.cpp

@@ -20,6 +20,7 @@ void EthSetting::show() {
     if (esp_lv_adapter_lock(-1) == ESP_OK) {
         createUI();
         visible_ = true;
+        esp_lv_adapter_unlock();
     }
 }
 
@@ -64,7 +65,7 @@ void EthSetting::createUI() {
     lv_obj_set_size(closeBtn, 40, 40);
     lv_obj_align(closeBtn, LV_ALIGN_LEFT_MID, 0, 0);
     lv_obj_set_style_bg_color(closeBtn, lv_color_hex(0x804040), 0);
-    lv_obj_add_event_cb(closeBtn, onCloseClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(closeBtn, onCloseClick, LV_EVENT_CLICKED, nullptr);
 
     lv_obj_t* closeLbl = lv_label_create(closeBtn);
     lv_label_set_text(closeLbl, "X");

main/Gui/WifiSetting.cpp

@@ -86,7 +86,7 @@ void WifiSetting::createUI() {
     lv_obj_set_size(closeBtn, 40, 40);
     lv_obj_align(closeBtn, LV_ALIGN_LEFT_MID, 0, 0);
     lv_obj_set_style_bg_color(closeBtn, lv_color_hex(0x804040), 0);
-    lv_obj_add_event_cb(closeBtn, onCloseClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(closeBtn, onCloseClick, LV_EVENT_CLICKED, nullptr);
 
     lv_obj_t* closeLbl = lv_label_create(closeBtn);
     lv_label_set_text(closeLbl, "X");
@@ -111,7 +111,7 @@ void WifiSetting::createUI() {
     disconnectBtn_ = lv_btn_create(statusSection);
     lv_obj_set_size(disconnectBtn_, 100, 40);
     lv_obj_align(disconnectBtn_, LV_ALIGN_RIGHT_MID, 0, 0);
-    lv_obj_add_event_cb(disconnectBtn_, onDisconnectClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(disconnectBtn_, onDisconnectClick, LV_EVENT_CLICKED, nullptr);
     lv_obj_add_flag(disconnectBtn_, LV_OBJ_FLAG_HIDDEN);
 
     lv_obj_t* disconnectLbl = lv_label_create(disconnectBtn_);
@@ -140,7 +140,7 @@ void WifiSetting::createUI() {
     lv_obj_t* scanBtn = lv_btn_create(availableHeader);
     lv_obj_set_size(scanBtn, 100, 35);
     lv_obj_align(scanBtn, LV_ALIGN_RIGHT_MID, 0, 0);
-    lv_obj_add_event_cb(scanBtn, onScanClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(scanBtn, onScanClick, LV_EVENT_CLICKED, nullptr);
 
     lv_obj_t* scanLbl = lv_label_create(scanBtn);
     lv_label_set_text(scanLbl, "Scannen");
@@ -198,7 +198,7 @@ void WifiSetting::refreshNetworkList() {
                             (const char*)ap.ssid, barSymbols[bars - 1], ap.rssi);
 
                     lv_obj_t* btn = lv_list_add_btn(settings.networkList_, LV_SYMBOL_WIFI, signalStr);
-                    lv_obj_add_event_cb(btn, onNetworkSelect, LV_EVENT_CLICKED, nullptr);
+                    //lv_obj_add_event_cb(btn, onNetworkSelect, LV_EVENT_CLICKED, nullptr);
 
                     size_t ssidLen = strlen((const char*)ap.ssid);
                     char* ssidCopy = (char*)lv_malloc(ssidLen + 1);
@@ -237,7 +237,7 @@ void WifiSetting::refreshSavedNetworks() {
         lv_obj_set_size(deleteBtn, 80, 30);
         lv_obj_align(deleteBtn, LV_ALIGN_RIGHT_MID, 0, 0);
         lv_obj_set_style_bg_color(deleteBtn, lv_color_hex(0x804040), 0);
-        lv_obj_add_event_cb(deleteBtn, onDeleteSavedClick, LV_EVENT_CLICKED, nullptr);
+        //lv_obj_add_event_cb(deleteBtn, onDeleteSavedClick, LV_EVENT_CLICKED, nullptr);
 
         char* ssidCopy = (char*)lv_malloc(ssid.size() + 1);
         strcpy(ssidCopy, ssid.c_str());
@@ -312,7 +312,7 @@ void WifiSetting::createPasswordDialogUI() {
     lv_obj_set_size(cancelBtn, 150, 50);
     lv_obj_align(cancelBtn, LV_ALIGN_TOP_LEFT, 20, 150);
     lv_obj_set_style_bg_color(cancelBtn, lv_color_hex(0x606060), 0);
-    lv_obj_add_event_cb(cancelBtn, onCancelClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(cancelBtn, onCancelClick, LV_EVENT_CLICKED, nullptr);
 
     lv_obj_t* cancelLbl = lv_label_create(cancelBtn);
     lv_label_set_text(cancelLbl, "Abbrechen");
@@ -322,7 +322,7 @@ void WifiSetting::createPasswordDialogUI() {
     lv_obj_set_size(connectBtn, 150, 50);
     lv_obj_align(connectBtn, LV_ALIGN_TOP_RIGHT, -20, 150);
     lv_obj_set_style_bg_color(connectBtn, lv_color_hex(0x408040), 0);
-    lv_obj_add_event_cb(connectBtn, onConnectClick, LV_EVENT_CLICKED, nullptr);
+    //lv_obj_add_event_cb(connectBtn, onConnectClick, LV_EVENT_CLICKED, nullptr);
 
     lv_obj_t* connectLbl = lv_label_create(connectBtn);
     lv_label_set_text(connectLbl, "Verbinden");
@@ -332,7 +332,7 @@ void WifiSetting::createPasswordDialogUI() {
     lv_obj_set_size(keyboard_, LV_PCT(100), 300);
     lv_obj_align(keyboard_, LV_ALIGN_BOTTOM_MID, 0, 0);
     lv_keyboard_set_textarea(keyboard_, passwordInput_);
-    lv_obj_add_event_cb(keyboard_, onKeyboardReady, LV_EVENT_READY, nullptr);
+    //lv_obj_add_event_cb(keyboard_, onKeyboardReady, LV_EVENT_READY, nullptr);
 
     ESP_LOGI(TAG, "Password dialog created");
 }

main/Touch.cpp

@@ -62,6 +62,7 @@ esp_lcd_touch_handle_t Touch::getTouchHandle() const {
 
 void Touch::lv_indev_read_cb(lv_indev_t *indev, lv_indev_data_t *data)
 {
+    
     Touch* self = static_cast<Touch*>(lv_indev_get_user_data(indev));
     if (!self) {
         data->state = LV_INDEV_STATE_RELEASED;
@@ -76,7 +77,8 @@ void Touch::lv_indev_read_cb(lv_indev_t *indev, lv_indev_data_t *data)
         data->point.x = x[0];
         data->point.y = y[0];
         data->state = LV_INDEV_STATE_PRESSED;
-        WidgetManager::instance().onUserActivity();
+        // TEMP: Disabled to test if this causes the freeze
+        // WidgetManager::instance().onUserActivity();
     } else {
         data->state = LV_INDEV_STATE_RELEASED;
     }

main/WidgetManager.cpp

@@ -22,6 +22,10 @@ WidgetManager& WidgetManager::instance() {
 
 WidgetManager::WidgetManager() {
     // widgets_ is default-initialized to nullptr
+    uiQueue_ = xQueueCreate(UI_EVENT_QUEUE_LEN, sizeof(UiEvent));
+    if (!uiQueue_) {
+        ESP_LOGE(TAG, "Failed to create UI event queue");
+    }
     createDefaultConfig();
     activeScreenId_ = config_.startScreenId;
     lastActivityUs_ = esp_timer_get_time();
@@ -182,6 +186,8 @@ const ScreenConfig* WidgetManager::activeScreen() const {
 }
 
 void WidgetManager::applyScreen(uint8_t screenId) {
+    ESP_LOGI(TAG, "applyScreen(%d) - start", screenId);
+
     ScreenConfig* screen = config_.findScreen(screenId);
     if (!screen) {
         ESP_LOGW(TAG, "Screen %d not found", screenId);
@@ -189,17 +195,40 @@ void WidgetManager::applyScreen(uint8_t screenId) {
     }
 
     if (modalContainer_) {
+        ESP_LOGI(TAG, "Closing modal first");
         closeModal();
     }
 
-    // First destroy C++ widgets (which deletes LVGL objects)
+    ESP_LOGI(TAG, "Acquiring LVGL lock...");
-    destroyAllWidgets();
+    if (esp_lv_adapter_lock(-1) != ESP_OK) {
-
+        ESP_LOGE(TAG, "Failed to acquire LVGL lock!");
-    if (esp_lv_adapter_lock(-1) == ESP_OK) {
+        return;
-        lv_obj_t* root = lv_scr_act();
-        createAllWidgets(*screen, root);
-        esp_lv_adapter_unlock();
     }
+    ESP_LOGI(TAG, "LVGL lock acquired");
+
+    // Reset all input devices BEFORE destroying widgets to clear any
+    // pending input state and prevent use-after-free on widget objects
+    ESP_LOGI(TAG, "Resetting input devices...");
+    lv_indev_t* indev = lv_indev_get_next(nullptr);
+    while (indev) {
+        lv_indev_reset(indev, nullptr);
+        indev = lv_indev_get_next(indev);
+    }
+    ESP_LOGI(TAG, "Input devices reset");
+
+    // Now destroy C++ widgets (which deletes LVGL objects) under LVGL lock
+    ESP_LOGI(TAG, "Destroying widgets...");
+    destroyAllWidgets();
+    ESP_LOGI(TAG, "Widgets destroyed");
+
+    ESP_LOGI(TAG, "Creating new widgets for screen '%s' (%d widgets)...",
+             screen->name, screen->widgetCount);
+    lv_obj_t* root = lv_scr_act();
+    createAllWidgets(*screen, root);
+    ESP_LOGI(TAG, "Widgets created");
+
+    esp_lv_adapter_unlock();
+    ESP_LOGI(TAG, "applyScreen(%d) - complete", screenId);
 }
 
 void WidgetManager::showModalScreen(const ScreenConfig& screen) {
@@ -207,11 +236,18 @@ void WidgetManager::showModalScreen(const ScreenConfig& screen) {
         closeModal();
     }
 
+    if (esp_lv_adapter_lock(-1) != ESP_OK) return;
+
+    // Reset all input devices BEFORE destroying widgets
+    lv_indev_t* indev = lv_indev_get_next(nullptr);
+    while (indev) {
+        lv_indev_reset(indev, nullptr);
+        indev = lv_indev_get_next(indev);
+    }
+
     // Destroy any existing widgets before creating modal widgets
     destroyAllWidgets();
 
-    if (esp_lv_adapter_lock(-1) != ESP_OK) return;
-
     lv_disp_t* disp = lv_disp_get_default();
     int32_t dispWidth = disp ? lv_disp_get_hor_res(disp) : 1280;
     int32_t dispHeight = disp ? lv_disp_get_ver_res(disp) : 800;
@@ -299,28 +335,40 @@ void WidgetManager::showModalScreen(const ScreenConfig& screen) {
 void WidgetManager::closeModal() {
     if (!modalContainer_) return;
 
+    if (esp_lv_adapter_lock(-1) != ESP_OK) return;
+
+    // Reset all input devices BEFORE destroying widgets
+    lv_indev_t* indev = lv_indev_get_next(nullptr);
+    while (indev) {
+        lv_indev_reset(indev, nullptr);
+        indev = lv_indev_get_next(indev);
+    }
+
     // First destroy C++ widgets (which deletes their LVGL objects)
     destroyAllWidgets();
 
-    if (esp_lv_adapter_lock(-1) == ESP_OK) {
+    if (modalDimmer_) {
-        if (modalDimmer_) {
+        lv_obj_delete(modalDimmer_);
-            lv_obj_delete(modalDimmer_);
-        }
-        lv_obj_delete(modalContainer_);
-        esp_lv_adapter_unlock();
     }
+    lv_obj_delete(modalContainer_);
+    esp_lv_adapter_unlock();
     modalContainer_ = nullptr;
     modalDimmer_ = nullptr;
     modalScreenId_ = SCREEN_ID_NONE;
 }
 
 void WidgetManager::showScreen(uint8_t screenId) {
+    ESP_LOGI(TAG, "showScreen(%d) called", screenId);
+
     ScreenConfig* screen = config_.findScreen(screenId);
     if (!screen) {
         ESP_LOGW(TAG, "Screen %d not found", screenId);
         return;
     }
 
+    ESP_LOGI(TAG, "Found screen '%s', mode=%d", screen->name,
+             static_cast<int>(screen->mode));
+
     if (screen->mode == ScreenMode::MODAL) {
         showModalScreen(*screen);
         return;
@@ -335,18 +383,25 @@ void WidgetManager::showScreen(uint8_t screenId) {
 void WidgetManager::handleButtonAction(const WidgetConfig& cfg, lv_obj_t* target) {
     if (cfg.type != WidgetType::BUTTON) return;
 
+    ESP_LOGI(TAG, "handleButtonAction: button=%d action=%d targetScreen=%d",
+             cfg.id, static_cast<int>(cfg.action), cfg.targetScreen);
+
     onUserActivity();
 
     switch (cfg.action) {
         case ButtonAction::JUMP:
-            navPending_ = true;
+            ESP_LOGI(TAG, "JUMP action: scheduling navigation to screen %d", cfg.targetScreen);
             navAction_ = ButtonAction::JUMP;
             navTargetScreen_ = cfg.targetScreen;
+            navPending_ = true;
+            navRequestUs_ = esp_timer_get_time();
             break;
         case ButtonAction::BACK:
-            navPending_ = true;
+            ESP_LOGI(TAG, "BACK action: scheduling navigation back");
             navAction_ = ButtonAction::BACK;
             navTargetScreen_ = SCREEN_ID_NONE;
+            navPending_ = true;
+            navRequestUs_ = esp_timer_get_time();
             break;
         case ButtonAction::KNX:
         default: {
@@ -393,14 +448,22 @@ void WidgetManager::enterStandby() {
 }
 
 void WidgetManager::loop() {
+    bool didUiNav = false;
     if (navPending_) {
-        navPending_ = false;
+        int64_t now = esp_timer_get_time();
-        if (navAction_ == ButtonAction::JUMP) {
+        // Increased delay to ensure touch events are fully processed
-            showScreen(navTargetScreen_);
+        if (now - navRequestUs_ >= NAV_DELAY_US) {
-        } else if (navAction_ == ButtonAction::BACK) {
+            navPending_ = false;
-            goBack();
+            ESP_LOGI(TAG, "Executing navigation: action=%d target=%d",
+                     static_cast<int>(navAction_), navTargetScreen_);
+            if (navAction_ == ButtonAction::JUMP) {
+                showScreen(navTargetScreen_);
+            } else if (navAction_ == ButtonAction::BACK) {
+                goBack();
+            }
+            didUiNav = true;
+            ESP_LOGI(TAG, "Navigation complete");
         }
-        return;
     }
 
     if (standbyWakePending_) {
@@ -409,9 +472,13 @@ void WidgetManager::loop() {
             activeScreenId_ = standbyWakeTarget_;
             applyScreen(activeScreenId_);
         }
-        return;
+        didUiNav = true;
     }
 
+    processUiQueue();
+
+    if (didUiNav) return;
+
     if (!config_.standbyEnabled || config_.standbyMinutes == 0) return;
     if (standbyActive_) return;
     if (config_.standbyScreenId == SCREEN_ID_NONE) return;
@@ -464,39 +531,88 @@ void WidgetManager::createAllWidgets(const ScreenConfig& screen, lv_obj_t* paren
 }
 
 void WidgetManager::onKnxValue(uint16_t groupAddr, float value) {
-    if (esp_lv_adapter_lock(100) != ESP_OK) return;
+    UiEvent event = {};
+    event.type = UiEventType::KNX_VALUE;
+    event.groupAddr = groupAddr;
+    event.value = value;
+    enqueueUiEvent(event);
+}
 
+void WidgetManager::onKnxSwitch(uint16_t groupAddr, bool value) {
+    UiEvent event = {};
+    event.type = UiEventType::KNX_SWITCH;
+    event.groupAddr = groupAddr;
+    event.state = value;
+    enqueueUiEvent(event);
+}
+
+void WidgetManager::onKnxText(uint16_t groupAddr, const char* text) {
+    UiEvent event = {};
+    event.type = UiEventType::KNX_TEXT;
+    event.groupAddr = groupAddr;
+    if (text) {
+        strncpy(event.text, text, sizeof(event.text) - 1);
+    } else {
+        event.text[0] = '\0';
+    }
+    enqueueUiEvent(event);
+}
+
+bool WidgetManager::enqueueUiEvent(const UiEvent& event) {
+    if (!uiQueue_) return false;
+    return xQueueSend(uiQueue_, &event, 0) == pdTRUE;
+}
+
+void WidgetManager::processUiQueue() {
+    if (!uiQueue_) return;
+    if (uxQueueMessagesWaiting(uiQueue_) == 0) return;
+
+    if (esp_lv_adapter_lock(-1) != ESP_OK) return;
+
+    UiEvent event = {};
+    static constexpr size_t kMaxEventsPerLoop = 8;
+    size_t processed = 0;
+    while (processed < kMaxEventsPerLoop &&
+           xQueueReceive(uiQueue_, &event, 0) == pdTRUE) {
+        switch (event.type) {
+            case UiEventType::KNX_VALUE:
+                applyKnxValue(event.groupAddr, event.value);
+                break;
+            case UiEventType::KNX_SWITCH:
+                applyKnxSwitch(event.groupAddr, event.state);
+                break;
+            case UiEventType::KNX_TEXT:
+                applyKnxText(event.groupAddr, event.text);
+                break;
+        }
+        processed++;
+    }
+
+    esp_lv_adapter_unlock();
+}
+
+void WidgetManager::applyKnxValue(uint16_t groupAddr, float value) {
     for (auto& widget : widgets_) {
         if (widget && widget->getKnxAddress() == groupAddr) {
             widget->onKnxValue(value);
         }
     }
-
-    esp_lv_adapter_unlock();
 }
 
-void WidgetManager::onKnxSwitch(uint16_t groupAddr, bool value) {
+void WidgetManager::applyKnxSwitch(uint16_t groupAddr, bool value) {
-    if (esp_lv_adapter_lock(100) != ESP_OK) return;
-
     for (auto& widget : widgets_) {
         if (widget && widget->getKnxAddress() == groupAddr) {
             widget->onKnxSwitch(value);
         }
     }
-
-    esp_lv_adapter_unlock();
 }
 
-void WidgetManager::onKnxText(uint16_t groupAddr, const char* text) {
+void WidgetManager::applyKnxText(uint16_t groupAddr, const char* text) {
-    if (esp_lv_adapter_lock(100) != ESP_OK) return;
-
     for (auto& widget : widgets_) {
         if (widget && widget->getKnxAddress() == groupAddr) {
             widget->onKnxText(text);
         }
     }
-
-    esp_lv_adapter_unlock();
 }
 
 // Helper function to parse hex color string

main/WidgetManager.hpp

@@ -3,6 +3,8 @@
 #include "WidgetConfig.hpp"
 #include "widgets/Widget.hpp"
 #include "lvgl.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/queue.h"
 #include <array>
 #include <memory>
 
@@ -35,7 +37,7 @@ public:
     // User activity (resets standby timer)
     void onUserActivity();
 
-    // KNX value update (called from KnxWorker)
+    // Thread-safe KNX updates (queued to UI thread)
     void onKnxValue(uint16_t groupAddr, float value);
     void onKnxSwitch(uint16_t groupAddr, bool value);
     void onKnxText(uint16_t groupAddr, const char* text);
@@ -54,10 +56,32 @@ private:
     WidgetManager(const WidgetManager&) = delete;
     WidgetManager& operator=(const WidgetManager&) = delete;
 
+    static constexpr size_t UI_EVENT_QUEUE_LEN = 16;
+    static constexpr size_t UI_EVENT_TEXT_LEN = MAX_TEXT_LEN;
+
+    enum class UiEventType : uint8_t {
+        KNX_VALUE = 0,
+        KNX_SWITCH = 1,
+        KNX_TEXT = 2,
+    };
+
+    struct UiEvent {
+        UiEventType type;
+        uint16_t groupAddr;
+        float value;
+        bool state;
+        char text[UI_EVENT_TEXT_LEN];
+    };
+
     void loadFromSdCard();
     void saveToSdCard();
     void destroyAllWidgets();
     void createAllWidgets(const ScreenConfig& screen, lv_obj_t* parent);
+    bool enqueueUiEvent(const UiEvent& event);
+    void processUiQueue();
+    void applyKnxValue(uint16_t groupAddr, float value);
+    void applyKnxSwitch(uint16_t groupAddr, bool value);
+    void applyKnxText(uint16_t groupAddr, const char* text);
 
     void createDefaultConfig();
     void applyScreen(uint8_t screenId);
@@ -69,6 +93,7 @@ private:
     const ScreenConfig* activeScreen() const;
 
     static constexpr const char* CONFIG_FILE = "/sdcard/lvgl.json";
+    static constexpr int64_t NAV_DELAY_US = 200 * 1000;  // 200ms delay for touch release
 
     GuiConfig config_;
     uint8_t activeScreenId_ = 0;
@@ -81,6 +106,7 @@ private:
     bool navPending_ = false;
     ButtonAction navAction_ = ButtonAction::KNX;
     uint8_t navTargetScreen_ = 0xFF;
+    int64_t navRequestUs_ = 0;
     int64_t lastActivityUs_ = 0;
 
     // Runtime widget instances (indexed by widget ID)
@@ -88,4 +114,5 @@ private:
     lv_obj_t* screen_ = nullptr;
     lv_obj_t* modalContainer_ = nullptr;
     lv_obj_t* modalDimmer_ = nullptr;
+    QueueHandle_t uiQueue_ = nullptr;
 };

main/idf_component.yml

@@ -15,8 +15,7 @@ dependencies:
   #   # All dependencies of `main` are public by default.
   #   public: true
   waveshare/esp_lcd_jd9365_10_1: '*'
-  lvgl/lvgl: ^9.4.0
+  espressif/esp_lvgl_port: ^2.7.0
-  espressif/esp_lvgl_port: ^2.3.0
   espressif/esp_lcd_touch_gt911: '*'
   espressif/esp_lvgl_adapter: '*'
   espressif/esp_wifi_remote: '*'

main/main.cpp

@@ -17,6 +17,14 @@
 
 #define TAG "App"
 
+static void knx_task(void* arg) {
+    KnxWorker* worker = static_cast<KnxWorker*>(arg);
+    worker->init();
+    while (true) {
+        worker->loop();
+        vTaskDelay(pdMS_TO_TICKS(10));
+    }
+}
 
 // This is a simple wrapper for the application logic
 class Application {
@@ -63,7 +71,11 @@ public:
         }
 
         ESP_LOGI(TAG, "Creating UI");
-        knxWorker.init();
+        BaseType_t knx_ok = xTaskCreatePinnedToCore(
+            knx_task, "knx", 4096, &Gui::knxWorker, 5, nullptr, 1);
+        if (knx_ok != pdPASS) {
+            ESP_LOGE(TAG, "Failed to start KNX task");
+        }
         gui.create();
 
         // Start WebServer for widget configuration
@@ -72,8 +84,6 @@ public:
         ESP_LOGI(TAG, "Application running");
         while (true) {
             vTaskDelay(pdMS_TO_TICKS(10));
-            knxWorker.loop();
-            WidgetManager::instance().loop();
         }
     }
 
@@ -82,7 +92,6 @@ private:
     Touch touch;
     Gui gui;
     Nvs nvs;
-    KnxWorker knxWorker;
 };
 
 extern "C" void app_main(void)

main/widgets/ButtonWidget.cpp

@@ -1,5 +1,13 @@
 #include "ButtonWidget.hpp"
 #include "../WidgetManager.hpp"
+#include "esp_log.h"
+
+static const char* TAG = "ButtonWidget";
+
+// Free function instead of static member
+static void button_event_cb(lv_event_t* e) {
+    ESP_LOGI(TAG, "button_event_cb called");
+}
 
 ButtonWidget::ButtonWidget(const WidgetConfig& config)
     : Widget(config)
@@ -7,32 +15,33 @@ ButtonWidget::ButtonWidget(const WidgetConfig& config)
 {
 }
 
+ButtonWidget::~ButtonWidget() {
+    // Remove event callback BEFORE the base class destructor deletes the object
+    if (obj_) {
+        lv_obj_remove_event_cb(obj_, button_event_cb);
+    }
+    label_ = nullptr;
+}
+
 void ButtonWidget::clickCallback(lv_event_t* e) {
-    ButtonWidget* widget = static_cast<ButtonWidget*>(lv_event_get_user_data(e));
+    // Not used currently
-    if (!widget) return;
+    (void)e;
-    lv_obj_t* target = static_cast<lv_obj_t*>(lv_event_get_target(e));
-    WidgetManager::instance().handleButtonAction(widget->getConfig(), target);
 }
 
 lv_obj_t* ButtonWidget::create(lv_obj_t* parent) {
     obj_ = lv_btn_create(parent);
+    lv_obj_set_pos(obj_, config_.x, config_.y);
+    lv_obj_set_size(obj_, config_.width > 0 ? config_.width : 100,
+                          config_.height > 0 ? config_.height : 50);
 
-    if (config_.isToggle) {
+    // Test: free function callback
-        lv_obj_add_flag(obj_, LV_OBJ_FLAG_CHECKABLE);
+    lv_obj_add_event_cb(obj_, button_event_cb, LV_EVENT_CLICKED, NULL);
-    }
 
-    lv_obj_add_event_cb(obj_, clickCallback, LV_EVENT_CLICKED, this);
-
-    // Create label inside button
     label_ = lv_label_create(obj_);
     lv_label_set_text(label_, config_.text);
     lv_obj_center(label_);
 
-    lv_obj_set_pos(obj_, config_.x, config_.y);
+    ESP_LOGI(TAG, "Created button '%s' at %d,%d", config_.text, config_.x, config_.y);
-    if (config_.width > 0 && config_.height > 0) {
-        lv_obj_set_size(obj_, config_.width, config_.height);
-    }
-
     return obj_;
 }
 

main/widgets/ButtonWidget.hpp

@@ -5,6 +5,7 @@
 class ButtonWidget : public Widget {
 public:
     explicit ButtonWidget(const WidgetConfig& config);
+    ~ButtonWidget() override;
 
     lv_obj_t* create(lv_obj_t* parent) override;
     void applyStyle() override;

sdcard_content/webseite/index.html

@@ -908,6 +908,18 @@
             if (!screen.bgColor) screen.bgColor = '#1A1A2E';
             if (!Array.isArray(screen.widgets)) screen.widgets = [];
 
+            // Modal defaults
+            if (!screen.modal) {
+                screen.modal = { x: 0, y: 0, w: 0, h: 0, radius: 12, dim: true };
+            } else {
+                if (screen.modal.x === undefined) screen.modal.x = 0;
+                if (screen.modal.y === undefined) screen.modal.y = 0;
+                if (screen.modal.w === undefined) screen.modal.w = 0;
+                if (screen.modal.h === undefined) screen.modal.h = 0;
+                if (screen.modal.radius === undefined) screen.modal.radius = 12;
+                if (screen.modal.dim === undefined) screen.modal.dim = true;
+            }
+
             screen.widgets.forEach(normalizeWidget);
         }