cfg_store.h

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#ifndef CFG_STORE_H
#define CFG_STORE_H
 
#include <stdint.h>
#include "params.h"
#include "calib_mgr.h"
 
#define CFG_MAGIC        0x43574341u    
#define CFG_VERSION      2u
#define CFG_PARAM_SLOTS  48u            
typedef struct {
    uint16_t id;                     
    uint16_t rsv;
    float    value;
} cfg_param_t;
 
typedef struct {
    uint32_t    magic;
    uint16_t    version;
    uint16_t    size;
    uint32_t    seq;
    cfg_param_t params[CFG_PARAM_SLOTS];
    char        name[16];
    cal_set_t   cal;                 
    cal_set_t   bak;                 
    uint32_t    bak_mask;            
    float       batt_used_mah;       
    float       batt_used_scale_i;   
    uint8_t     reserved[56];        
    uint32_t    crc;                 
} cfg_image_t;
 
void cfg_params_put(cfg_image_t *img, const float values[PARAM_COUNT]);
void cfg_params_get(const cfg_image_t *img, float values[PARAM_COUNT]);
 
/* ---- backend ---- */
#define CFG_PAGES 2
const void *cfg_flash_page(int page);                         
int  cfg_flash_write(int page, const void *data, uint32_t len); 
/* ---- store ---- */
uint32_t cfg_crc32(const void *data, uint32_t len);
int  cfg_load(cfg_image_t *out);
int  cfg_save(cfg_image_t *img);
 
#endif /* CFG_STORE_H */