nvs_manager.h

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#ifndef NVS_MANAGER_H
#define NVS_MANAGER_H
 
#include "esp_err.h"
#include "nvs_flash.h"
 
#define NVS_MANAGER_MAX_MQTT_URI_SIZE (128)
#define NVS_MANAGER_MAX_MQTT_USER_SIZE (64)
#define NVS_MANAGER_MAX_MQTT_PASSWORD_SIZE (64)
#define NVS_MANAGER_MAX_WIFI_SSID_SIZE (32)
#define NVS_MANAGER_MAX_WIFI_PASSWORD_SIZE (64)
 
typedef enum {
    NVS_MANAGER_KEYS_WIFI_SSID        = 0, 
    NVS_MANAGER_KEYS_WIFI_PASS        = 1, 
    NVS_MANAGER_KEYS_MQTT_URI         = 2, 
    NVS_MANAGER_KEYS_MQTT_USER        = 3, 
    NVS_MANAGER_KEYS_MQTT_PASS        = 4, 
    NVS_MANAGER_KEYS_BB_WRITE_OFFSET  = 5, 
    NVS_MANAGER_KEYS_BB_REPLAY_OFFSET = 6, 
    NVS_MANAGER_KEYS_BB_LAST_ID       = 7, 
    NVS_MANAGER_KEYS_MAX                   
} nvs_keys_t;
 
typedef struct {
    // Driver hooks
    esp_err_t (*init) (void);                                              
    esp_err_t (*open) (const char *, nvs_open_mode_t, nvs_handle_t *);     
    esp_err_t (*read) (nvs_handle_t, const char *, void *, size_t *);      
    esp_err_t (*write) (nvs_handle_t, const char *, const void *, size_t); 
    esp_err_t (*erase) (void);                                             
    esp_err_t (*commit) (nvs_handle_t);                                    
    void (*close) (nvs_handle_t);                                          
    esp_err_t (*deinit) (void);                                            
} nvs_manager_ops_t;
 
esp_err_t nvs_manager_init (nvs_manager_ops_t *ops_ptr);
 
esp_err_t nvs_manager_set_default (nvs_keys_t key, const void *value_void_ptr, size_t value_size);
 
esp_err_t nvs_manager_write_cfg (nvs_keys_t key, const void *value_void_ptr, size_t value_size);
 
esp_err_t nvs_manager_read_cfg (nvs_keys_t key, void *value_void_ptr);
 
esp_err_t nvs_manager_flush_cfg (void);
 
void nvs_manager_deinit (void);
 
#endif