Nvs.hpp

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#pragma once
 
#include <string>
 
#include <esp_system.h>
#include <nvs.h>
#include <nvs_flash.h>
 
class Nvs {
public:
    Nvs(const char* name_space, const char* partition = "nvs");
    ~Nvs();
    Nvs(const Nvs&) = delete;
 
    bool existsInt(const char* key);
    std::int32_t getInt(const char* key);
    void writeInt(const char* key, std::int32_t value);
 
    bool existsString(const char* key);
    std::string getString(const char* key);
    void writeString(const char* key, const std::string& value);
 
    void commit();
 
private:
    esp_err_t initFlash();
 
    nvs_handle m_handle;
    bool m_dirty;
};