Adding NVS to project

components/nvsUtils/include/nvsFunctions.hpp

@@ -0,0 +1,38 @@
+/**
+ * @file nvsFunctions.hpp
+ * @author Gustice
+ * @brief NVS-Diagnosis utility
+ *
+ * @copyright Copyright (c) 2024
+ */
+#pragma once
+
+#include <string>
+
+class NvsApi {
+
+  public:
+    /// @brief Init and mount file system
+    /// @param mount rooted SubType of partition eg "nvs"
+    static void init(std::string mount = std::string{"nvs"});
+
+    /// @brief Get instance, ensure initialization
+    /// @param mount rooted SubType of partition eg "nvs"
+    /// @return Instance reference
+    static NvsApi &getInstance(std::string mount = std::string{"nvs"});
+
+    void setValue(const std::string &key, const std::string &value);
+    std::string getValue(const std::string &key);
+
+    // Disable move and assignment
+    NvsApi(NvsApi &other) = delete;
+    void operator=(const NvsApi &) = delete;
+
+  protected:
+    NvsApi(std::string mount);
+    ~NvsApi();
+
+  private:
+    static NvsApi *_instance;
+    const std::string _mountingPoint;
+};