1.flash操作驱动程序

a头文件
#ifndef FLASH_H
#define FLASH_H

#include “stm32f4xx.h”

#define BOARD_NUM_ADDR 0x0800C000

#define STM32_FLASH_BASE 0x08000000 //STM32 FLASH的起始地址
#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)0x0