bsp_flash.c

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/*----------------------------------------------------------------------------------------------------
 #
 #  Copyright (c) 2022 Yuankang Liang(XerolySkinner)
 #
 #  本软件按原样提供,无任何明示或暗示
 #  在任何情况下,作者都不承担任何损害赔偿责任
 #
 #  使用的许可声明:
 #  1.  不得歪曲本软件的来源,你不能声称你编写了原始软件.
 #  2.  免费授予以任何目的,前提是版权声明出现在所有副本中.
 #      并且版权声明和许可声明同时出现.
 #  3.  你有使用,复制,修改,分发,和销售本软件的许可.
 #  4.  如果你在产品中使用,产品文档中的声明是赞赏的但不是必须的.
 #  5.  本通知不得从任何来源删除或更改.
 #
 #  Yuankang Liang(XerolySkinner)
 #      E-mail:zabbcccbbaz@163.com
 #      QQ:2715099320
 #      Mobile Phone:13005636215
 #
 #  All rights reserved.
 */
 
#include "main.h"
uint32_t FlashAddr = 0x08010000;                                    
//----------------------------------------------------------------------------------------------------
#pragma pack(4)
struct struct_bsp_Flash_Pack{
    char    Var0;
    short   Var1;
    int     Var2;
}bsp_Flash_Pack={0,0,0};
#pragma pack()
//----------------------------------------------------------------------------------------------------
uint32_t bsp_WriteFlashOnePage(uint32_t *dat,uint32_t num){
    FLASH_EraseInitTypeDef f;
    uint32_t PageError = 0;                                         //错误号7
    HAL_FLASH_Unlock();                                             //解锁FLASH
    f.TypeErase = FLASH_TYPEERASE_PAGES;                            //Flash擦除
    f.PageAddress = FlashAddr;                                      //擦除地址(起始页)
    f.NbPages = 1;                                                  //擦除1页
    HAL_FLASHEx_Erase(&f,&PageError);                               //调用擦除函数
    for(int i=0;i<num;i++)
        HAL_FLASH_Program(TYPEPROGRAM_WORD,FlashAddr+i*4,dat[i]);   //对FLASH烧写
    HAL_FLASH_Lock();                                               //锁住FLASH
    return PageError;}
//----------------------------------------------------------------------------------------------------
void bsp_ReadFlash(uint32_t *dat,uint32_t num){                     //读入一串数据
    for(int i=0;i<num;i++)
        dat[i]=*(__IO uint32_t*)(FlashAddr+i*4);}
//----------------------------------------------------------------------------------------------------
void bsp_WriteFlash_Pack(void){
    bsp_WriteFlashOnePage((uint32_t*)(&bsp_Flash_Pack),sizeof(struct struct_bsp_Flash_Pack));
    return;}
//----------------------------------------------------------------------------------------------------
void bsp_ReadFlash_Pack(void){
    bsp_ReadFlash((uint32_t*)(&bsp_Flash_Pack),sizeof(struct struct_bsp_Flash_Pack));
    return;}