/*************************************************************************************************************
* 文件名: stm32f7_flash.H
* 功能: STM32F7 内部FLASH编程驱动函数
* 作者: cp1300@139.com
* 创建时间: 2013-10-20
* 最后修改时间: 2020-02-07
* 详细: 用于STM32F7内部flash读写驱动
*************************************************************************************************************/
#ifndef __STM32F7_FLASH_H__
#define __STM32F7_FLASH_H__
#include "system.h"
//FLASH起始地址
#define STM32_FLASH_BASE 0x08000000 //STM32 FLASH的起始地址
//FLASH 扇区的起始地址
#define ADDR_FLASH_SECTOR_0 ((u32)0x08000000) //扇区0起始地址, 32 Kbytes
#define ADDR_FLASH_SECTOR_1 ((u32)0x08008000) //扇区1起始地址, 32 Kbytes
#define ADDR_FLASH_SECTOR_2 ((u32)0x08010000) //扇区2起始地址, 32 Kbytes
#define ADDR_FLASH_SECTOR_3 ((u32)0x08018000) //扇区3起始地址, 32 Kbytes
#define ADDR_FLASH_SECTOR_4 ((u32)0x08020000) //扇区4起始地址, 128 Kbytes
#define ADDR_FLASH_SECTOR_5 ((u32)0x08040000) //扇区5起始地址, 256 Kbytes
#define ADDR_FLASH_SECTOR_6 ((u32)0x08080000) //扇区6起始地址, 256 Kbytes
#define ADDR_FLASH_SECTOR_7 ((u32)0x080C0000) //扇区7起始地址, 256 Kbytes
//FLASH解锁键值
#define RDP_KEY 0x00A5
#define FLASH_KEY1 0X45670123
#define FLASH_KEY2 0XCDEF89AB
#define FLASH_OPT_KEY1 0x08192A3B
#define FLASH_OPT_KEY2 0x4C5D6E7F
//STM32F7 Flash操作状态
typedef enum
{
STM32FLASH_OK = 0, //操作完成
STM32FLASH_BUSY = 1, //忙
STM32FLASH_WPRERR = 2, //写保护错误
STM32FLASH_PGAERR = 3, //编程对齐错误，必须128位对齐
STM32FLASH_PGPERR = 4, //并行位数错误
STM32FLASH_PGSERR = 5, //擦除顺序错误
STM32FLASH_OPERR = 6, //操作错误
}STM32FLASH_STATUS;
//常用接口
STM32FLASH_STATUS STM32FLASH_EraseSector(u8 sectoraddr); //擦除扇区
STM32FLASH_STATUS STM32FLASH_Write_NoCheck(u32 WriteAddr,u32 *pBuffer,u16 NumToWrite) ; //不检查的写入多个字的数据
STM32FLASH_STATUS STM32FLASH_WritedWord_NoCheck(u32 WriteAddr,u32 data) ; //不检查的写入一个字的数据
STM32FLASH_STATUS STM32FLASH_Write(u32 WriteAddr,u32 *pBuffer,u16 NumToWrite); //从指定地址开始写入指定长度的数据（数据长度字为单位）
u16 STM32FLASH_Read(u32 ReadAddr,u32 *pBuffer,u16 NumToRead); //从指定地址开始读出指定长度的数据
//不常用接口
void STM32FLASH_Unlock(void); //FLASH解锁
void STM32FLASH_Lock(void); //FLASH上锁
STM32FLASH_STATUS STM32FLASH_GetStatus(void); //获得状态
#endif //__STM32F7_FLASH_H__
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