#ifndef _FLASH_H_
#define _FLASH_H_

#include "main.h"

#define FMC_FLASH_BASE      0x08000000   // FLASH的起始地址
#define FMC_FLASH_END       0x08080000   // FLASH的结束地址

#define FLASH_WAITETIME     50000        //FLASH等待超时时间

//FLASH 扇区的起始地址
#define ADDR_FLASH_SECTOR_0     ((uint32_t)0x08000000) 	//扇区0起始地址, 16 Kbytes  
#define ADDR_FLASH_SECTOR_1     ((uint32_t)0x08004000) 	//扇区1起始地址, 16 Kbytes  
#define ADDR_FLASH_SECTOR_2     ((uint32_t)0x08008000) 	//扇区2起始地址, 16 Kbytes  
#define ADDR_FLASH_SECTOR_3     ((uint32_t)0x0800C000) 	//扇区3起始地址, 16 Kbytes  
#define ADDR_FLASH_SECTOR_4     ((uint32_t)0x08010000) 	//扇区4起始地址, 64 Kbytes  
#define ADDR_FLASH_SECTOR_5     ((uint32_t)0x08020000) 	//扇区5起始地址, 128 Kbytes  
#define ADDR_FLASH_SECTOR_6     ((uint32_t)0x08040000) 	//扇区6起始地址, 128 Kbytes  
#define ADDR_FLASH_SECTOR_7     ((uint32_t)0x08060000) 	//扇区7起始地址, 128 Kbytes  
#define ADDR_FLASH_SECTOR_8     ((uint32_t)0x08080000) 	//扇区8起始地址, 128 Kbytes  
#define ADDR_FLASH_SECTOR_9     ((uint32_t)0x080A0000) 	//扇区9起始地址, 128 Kbytes  
#define ADDR_FLASH_SECTOR_10    ((uint32_t)0x080C0000) 	//扇区10起始地址,128 Kbytes  
#define ADDR_FLASH_SECTOR_11    ((uint32_t)0x080E0000) 	//扇区11起始地址,128 Kbytes 

//读取指定地址的字(32位数据) 
//faddr:读地址 
//返回值:对应数据.
uint32_t stmflash_readword(uint32_t faddr);

//获取某个地址所在的flash扇区
//addr:flash地址
//返回值:0~11,即addr所在的扇区
uint8_t stmflash_getflashsector(uint32_t addr);

/**
 *@功能：向内部Flash写入数据
 *@参数1：WriteAddress：数据要写入的目标地址（偏移地址）
 *@参数2：*data： 写入的数据首地址
 *@参数3：length：写入数据的个数
 */
void writeflashdata(uint32_t WriteAddress, uint8_t *data, uint32_t length);

#endif