MarlinFirmware/Marlin/src/HAL/persistent_store_api.h

#ifndef _PERSISTENT_STORE_H_
#define _PERSISTENT_STORE_H_

#include <stddef.h>
#include <stdint.h>

namespace HAL {
namespace PersistentStore {

bool access_start();
bool access_finish();
bool write_data(int &pos, const uint8_t *value, uint16_t size, uint16_t *crc);
void read_data(int &pos, uint8_t* value, uint16_t size, uint16_t *crc);

} // PersistentStore
} // HAL

#endif // _PERSISTENT_STORE_H_