flash_efc.h

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#ifndef FLASH_H_INCLUDED
#define FLASH_H_INCLUDED

#include <Arduino.h>
#include "efc.h"

/* Internal Flash 0 base address. */
#define IFLASH_ADDR     IFLASH0_ADDR
        /* Internal flash page size. */
#define IFLASH_PAGE_SIZE     IFLASH0_PAGE_SIZE

/* Last page start address. */
#define IFLASH_LAST_PAGE_ADDRESS (IFLASH1_ADDR + IFLASH1_SIZE - IFLASH1_PAGE_SIZE)


#ifdef __cplusplus
 extern "C" {
#endif




typedef enum flash_rc {
        FLASH_RC_OK = 0,        
        FLASH_RC_YES = 0,       
        FLASH_RC_NO = 1,        
        FLASH_RC_ERROR = 0x10,  
        FLASH_RC_INVALID,       
        FLASH_RC_NOT_SUPPORT = 0xFFFFFFFF    
} flash_rc_t;


typedef enum flash_farg_page_num {
        /* 4 of pages to be erased with EPA command*/
        IFLASH_ERASE_PAGES_4=0,
        /* 8 of pages to be erased with EPA command*/
        IFLASH_ERASE_PAGES_8,
        /* 16 of pages to be erased with EPA command*/
        IFLASH_ERASE_PAGES_16,
        /* 32 of pages to be erased with EPA command*/
        IFLASH_ERASE_PAGES_32,
        /* Parameter is not support */
        IFLASH_ERASE_PAGES_INVALID,
}flash_farg_page_num_t;


#define FLASH_ACCESS_MODE_128    EFC_ACCESS_MODE_128
#define FLASH_ACCESS_MODE_64     EFC_ACCESS_MODE_64


uint32_t flash_init(uint32_t ul_mode, uint32_t ul_fws);
uint32_t flash_set_wait_state(uint32_t ul_address, uint32_t ul_fws);
uint32_t flash_set_wait_state_adaptively(uint32_t ul_address);
uint32_t flash_get_wait_state(uint32_t ul_address);
uint32_t flash_get_descriptor(uint32_t ul_address,
                uint32_t *pul_flash_descriptor, uint32_t ul_size);
uint32_t flash_get_page_count(const uint32_t *pul_flash_descriptor);
uint32_t flash_get_page_count_per_region(const uint32_t *pul_flash_descriptor);
uint32_t flash_get_region_count(const uint32_t *pul_flash_descriptor);
uint32_t flash_erase_all(uint32_t ul_address);

#if SAM3SD8
uint32_t flash_erase_plane(uint32_t ul_address);
#endif

#if (SAM4S || SAM4E)
uint32_t flash_erase_page(uint32_t ul_address, uint8_t uc_page_num);
uint32_t flash_erase_sector(uint32_t ul_address);
#endif

uint32_t flash_write(uint32_t ul_address, const void *p_buffer,
                uint32_t ul_size, uint32_t ul_erase_flag);
uint32_t flash_lock(uint32_t ul_start, uint32_t ul_end,
                uint32_t *pul_actual_start, uint32_t *pul_actual_end);
uint32_t flash_unlock(uint32_t ul_start, uint32_t ul_end,
                uint32_t *pul_actual_start, uint32_t *pul_actual_end);
uint32_t flash_is_locked(uint32_t ul_start, uint32_t ul_end);
uint32_t flash_set_gpnvm(uint32_t ul_gpnvm);
uint32_t flash_clear_gpnvm(uint32_t ul_gpnvm);
uint32_t flash_is_gpnvm_set(uint32_t ul_gpnvm);
uint32_t flash_enable_security_bit(void);
uint32_t flash_is_security_bit_enabled(void);
uint32_t flash_read_unique_id(uint32_t *pul_data, uint32_t ul_size);

#if (SAM4S || SAM4E)
uint32_t flash_read_user_signature(uint32_t *p_data, uint32_t ul_size);
uint32_t flash_write_user_signature(uint32_t ul_address, const void *p_buffer,
                uint32_t ul_size);
uint32_t flash_erase_user_signature(void);
#endif


#ifdef __cplusplus
}
#endif



#endif /* FLASH_H_INCLUDED */