refactor persistence manager from cpp to c

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/insa/include/MenuOptions.h

@@ -17,7 +17,7 @@
 
 // Project-specific headers
 #include "common/Widget.h"
-#include "IPersistenceManager.h"
+#include "persistence_manager.h"
 #include "u8g2.h"
 
 class MenuItem;
@@ -28,7 +28,7 @@ class MenuItem;
  * @details This structure serves as a configuration container that provides menu widgets
  *          with access to the display system, screen management functions, input
  *          handling callbacks, and persistent storage.
- * 
+ *
  * @see Widget
  * @see ButtonType
  * @see IPersistenceManager
@@ -61,14 +61,8 @@ typedef struct
     std::function<void(ButtonType button)> onButtonClicked;
 
     /**
-     * @brief Shared pointer to platform-independent persistence manager
-     * @details This provides access to persistent key-value storage across different
-     *          platforms. The actual implementation (SDL3 or ESP32/NVS) is determined
-     *          at compile time based on the target platform.
-     * 
-     * @note The persistence manager is shared across all menu widgets and maintains
-     *       its state throughout the application lifecycle.
+     * @brief Zeiger auf C-Persistence-Manager-Instanz
      */
-    std::shared_ptr<IPersistenceManager> persistenceManager;
+    persistence_manager_t *persistenceManager;
 
 } menu_options_t;

firmware/components/insa/src/common/Menu.cpp

@@ -64,7 +64,7 @@ void Menu::setItemSize(const size_t size, int8_t startIndex)
                 constexpr int key_length = 20;
                 char key[key_length] = "";
                 snprintf(key, key_length, "section_%zu", i + 1 - startIndex);
-                index = m_options->persistenceManager->GetValue(key, index);
+                index = persistence_manager_get_int(m_options->persistenceManager, key, index);
             }
             addSelection(i + 1, caption, m_items.at(0).getValues(), index);
         }

firmware/components/insa/src/ui/ClockScreenSaver.cpp

@@ -1,5 +1,5 @@
 #include "ui/ClockScreenSaver.h"
-#include "hal_esp32/PersistenceManager.h"
+#include "persistence_manager.h"
 #include "simulator.h"
 #include <cstring>
 #include <ctime>
@@ -38,8 +38,9 @@ void ClockScreenSaver::updateTextDimensions()
 
 void ClockScreenSaver::getCurrentTimeString(char *buffer, size_t bufferSize) const
 {
-    if (m_options && m_options->persistenceManager->GetValue("light_active", false) &&
-        m_options->persistenceManager->GetValue("light_mode", 0) == 0)
+    if (m_options && m_options->persistenceManager &&
+        persistence_manager_get_bool(m_options->persistenceManager, "light_active", false) &&
+        persistence_manager_get_int(m_options->persistenceManager, "light_mode", 0) == 0)
     {
         char *simulated_time = get_time();
         if (simulated_time != nullptr)

firmware/components/insa/src/ui/LightMenu.cpp

@@ -27,7 +27,7 @@ LightMenu::LightMenu(menu_options_t *options) : Menu(options), m_options(options
     bool active = false;
     if (m_options && m_options->persistenceManager)
     {
-        active = m_options->persistenceManager->GetValue(LightMenuOptions::LIGHT_ACTIVE, active);
+        active = persistence_manager_get_bool(m_options->persistenceManager, LightMenuOptions::LIGHT_ACTIVE, active);
     }
     addToggle(LightMenuItem::ACTIVATE, "Einschalten", active);
 
@@ -39,7 +39,8 @@ LightMenu::LightMenu(menu_options_t *options) : Menu(options), m_options(options
     int mode_value = 0;
     if (m_options && m_options->persistenceManager)
     {
-        mode_value = m_options->persistenceManager->GetValue(LightMenuOptions::LIGHT_MODE, mode_value);
+        mode_value =
+            persistence_manager_get_int(m_options->persistenceManager, LightMenuOptions::LIGHT_MODE, mode_value);
     }
     addSelection(LightMenuItem::MODE, "Modus", items, mode_value);
 
@@ -50,7 +51,9 @@ LightMenu::LightMenu(menu_options_t *options) : Menu(options), m_options(options
     int variant_value = 3;
     if (m_options && m_options->persistenceManager)
     {
-        variant_value = m_options->persistenceManager->GetValue(LightMenuOptions::LIGHT_VARIANT, variant_value) - 1;
+        variant_value =
+            persistence_manager_get_int(m_options->persistenceManager, LightMenuOptions::LIGHT_VARIANT, variant_value) -
+            1;
     }
     addSelection(LightMenuItem::VARIANT, "Variante", variants, variant_value);
 }
@@ -70,7 +73,7 @@ void LightMenu::onButtonPressed(const MenuItem &menuItem, const ButtonType butto
             const auto value = getItem(menuItem.getId()).getValue() == "1";
             if (m_options && m_options->persistenceManager)
             {
-                m_options->persistenceManager->SetValue(LightMenuOptions::LIGHT_ACTIVE, value);
+                persistence_manager_set_bool(m_options->persistenceManager, LightMenuOptions::LIGHT_ACTIVE, value);
             }
 
             start_simulation();
@@ -86,8 +89,8 @@ void LightMenu::onButtonPressed(const MenuItem &menuItem, const ButtonType butto
             const auto value = getItem(item.getId()).getIndex();
             if (m_options && m_options->persistenceManager)
             {
-                m_options->persistenceManager->SetValue(LightMenuOptions::LIGHT_MODE, value);
-                m_options->persistenceManager->Save();
+                persistence_manager_set_int(m_options->persistenceManager, LightMenuOptions::LIGHT_MODE, value);
+                persistence_manager_save(m_options->persistenceManager);
             }
 
             start_simulation();
@@ -103,8 +106,8 @@ void LightMenu::onButtonPressed(const MenuItem &menuItem, const ButtonType butto
             const auto value = getItem(item.getId()).getIndex() + 1;
             if (m_options && m_options->persistenceManager)
             {
-                m_options->persistenceManager->SetValue(LightMenuOptions::LIGHT_VARIANT, value);
-                m_options->persistenceManager->Save();
+                persistence_manager_set_int(m_options->persistenceManager, LightMenuOptions::LIGHT_VARIANT, value);
+                persistence_manager_save(m_options->persistenceManager);
             }
 
             start_simulation();