#ifndef __DRV_FLASH_H
#define __DRV_FLASH_H

/************************************************************************************************
 *                                          Includes                                             *
 ************************************************************************************************/
#include "stm32f4xx_flash.h"

#ifdef __cplusplus
extern "C" {
#endif
#ifdef __DRV_FLASH_H_GLOBAL
#define __DRV_FLASH_H_EXTERN
#else
#define __DRV_FLASH_H_EXTERN extern
#endif

/************************************************************************************************
 *                                          Version                                              *
 ************************************************************************************************/

/************************************************************************************************
 *                                          How to use                                           *
 ************************************************************************************************/

/************************************************************************************************
 *                                          Enable config                                         *
 ************************************************************************************************/

/************************************************************************************************
 *                                          Defines                                              *
 ************************************************************************************************/
#define FMC_PAGE_SIZE         ((uint16_t) 0x800)
#define FMC_PAGE_SIZE_U16     ((uint16_t) 0x400)
#define FMC_FLASH_BASE        ((uint32_t) 0x08000000)

#define FMC_PAGE_SIZE_16K     ((uint32_t) 0x4000)
#define FMC_PAGE_SIZE_32K     ((uint32_t) 0x8000)
#define FMC_PAGE_SIZE_64K     ((uint32_t) 0x10000)
#define FMC_PAGE_SIZE_128K    ((uint32_t) 0x20000)

#define ADDR_FLASH_SECTOR_0   ((u32) 0x08000000) // 扇区0起始地址, 16 Kbytes
#define ADDR_FLASH_SECTOR_1   ((u32) 0x08004000) // 扇区1起始地址, 16 Kbytes
#define ADDR_FLASH_SECTOR_2   ((u32) 0x08008000) // 扇区2起始地址, 16 Kbytes
#define ADDR_FLASH_SECTOR_3   ((u32) 0x0800C000) // 扇区3起始地址, 16 Kbytes
#define ADDR_FLASH_SECTOR_4   ((u32) 0x08010000) // 扇区4起始地址, 64 Kbytes
#define ADDR_FLASH_SECTOR_5   ((u32) 0x08020000) // 扇区5起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_6   ((u32) 0x08040000) // 扇区6起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_7   ((u32) 0x08060000) // 扇区7起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_8   ((u32) 0x08080000) // 扇区8起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_9   ((u32) 0x080A0000) // 扇区9起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_10  ((u32) 0x080C0000) // 扇区10起始地址,128 Kbytes
#define ADDR_FLASH_SECTOR_11  ((u32) 0x080E0000) // 扇区11起始地址,128 Kbytes
#define ADDR_FLASH_SECTOR_END ((u32) 0x080FFFFF)
/************************************************************************************************
 *                                          Defines                                              *
 ************************************************************************************************/

void     fmc_clear_flag_star (void);
void     fmc_clear_flag_end (void);
uint8_t  fmc_read_byte (uint32_t read_addr);
uint16_t fmc_read_half_word (uint32_t read_addr);
uint8_t  fmc_read_n_half_word (uint32_t read_addr, uint16_t *buff, uint16_t count);
uint8_t  fmc_read_one_page (uint32_t read_addr, uint16_t *buff);
uint8_t  fmc_erase_pages (uint32_t erase_addr, uint16_t len);
uint8_t  fmc_write_n_half_word (uint32_t write_addr, uint16_t *buff, uint16_t len);
uint16_t firmware_crc16_ccitt_false (uint16_t init_value, uint8_t *pbuff, uint32_t len);

#ifdef __cplusplus
};
#endif

#endif // __DRV_FLASH_H