本文最后修改时间2024年04月19日一、本节简介本文介绍如何使用MT32F006读写内部的eeprom。二、实验平台库版本V1.0.0编译软件MDK5.37硬件平台MT32F006开发板主芯片MT32F006仿真器JLINK三、版权声明1作者甜甜的大香瓜2声明喝水不忘挖井人转载请注明出处。3本文出处原创连载资料《简单粗暴学MT32F006》四、实验前提1、在进行本文步骤前请先阅读以下章节1《简单粗暴学MT32F006》的“第一章和第二章”章节。2、在进行本文步骤前请先实现以下章节暂无五、基础知识暂无六、硬件原理暂无七、实验步骤1、编写并添加驱动1编写驱动GUA_Flash.c存放在“……\Projects\MT006_StdPeriph_Templates\GUA”//**********************************************************************//name: GUA_Flash.c//introduce: 存储驱动//author: 甜甜的大香瓜//email: 897503845qq.com//shop: opengua.taobao.com//changetime: 2023.10.23//**********************************************************************#include mt006.h#include GUA_Delay.h#include GUA_Flash.h#include main.h/*********************宏定义************************/#define GUA_FLASH_SECTOR_ADDR 0x08007C00//0x1FFFF400 //1K大小的info flash首地址/*********************内部函数************************/static void GUA_Flash_IAP_Erase(uint32_t GUA_Addr);static void GUA_Flash_IAP_Program(GUA_U32 *pGUA_Buf, GUA_U32 nGUA_Addr, GUA_U32 nGUA_Size);//**********************************************************************//name: GUA_Flash_IAP_Erase//introduce: 擦除函数//parameter: GUA_Addr要擦除的地址//return: none//author: 甜甜的大香瓜//email: 897503845qq.com//shop: opengua.taobao.com//changetime: 2023.06.20//**********************************************************************static void GUA_Flash_IAP_Erase(uint32_t GUA_Addr){FLASH_Unlock();FLASH_Erase(GUA_Addr);FLASH_Lock();}//**********************************************************************//name: GUA_Flash_IAP_Program//introduce: 写数据函数//parameter: pGUA_Buf要写的数组地址// GUA_Addr要写的地址// nGUA_Size要写的大小//return: none//author: 甜甜的大香瓜//email: 897503845qq.com//shop: opengua.taobao.com//changetime: 2023.06.20//**********************************************************************static void GUA_Flash_IAP_Program(GUA_U32 *pGUA_Buf, GUA_U32 nGUA_Addr, GUA_U32 nGUA_Size){FLASH_Unlock();FLASH_Program((GUA_U32 *)pGUA_Buf, nGUA_Addr, nGUA_Size);FLASH_Lock();}//**********************************************************************//name: GUA_Flash//introduce: CS1237初始化//parameter: none//return: none//author: 甜甜的大香瓜//email: 897503845qq.com//shop: opengua.taobao.com//changetime: 2022.12.29//**********************************************************************void GUA_Flash_Control(GUA_U8 nGUA_FlashControl_Status){GUA_U32 nGUA_Return 0;#ifdef GUA_RANGE_10KG//读flashif(nGUA_FlashControl_Status GUA_FLASH_CONTROL_READ){//读秘钥nGUA_Return *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 0*4);//如果有写过flash则读出来if(nGUA_Return 0x11223344){stGUA_Data.Key *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 0*4);stGUA_Data.UintOfWeight *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 1*4);stGUA_Data.Constant *(volatile float *)(GUA_FLASH_SECTOR_ADDR 2*4);stGUA_Data.Constant1 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 3*4);stGUA_Data.Constant2 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 4*4);stGUA_Data.Constant3 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 5*4);stGUA_Data.Offset1 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 6*4);stGUA_Data.Offset2 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 7*4);stGUA_Data.Offset3 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 8*4);}//如果没有写过flash则保存初值else{//擦除GUA_Flash_IAP_Erase(GUA_FLASH_SECTOR_ADDR);//赋初值stGUA_Data.Key 0x11223344;stGUA_Data.UintOfWeight GUA_UINT_OF_WEIGHT_LB;stGUA_Data.Constant 2.12628007;stGUA_Data.Constant1 2.12611341;stGUA_Data.Constant2 2.12582994;stGUA_Data.Constant3 2.12516999;stGUA_Data.Offset1 16.625;stGUA_Data.Offset2 130;stGUA_Data.Offset3 592;//保存进flashGUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Key, GUA_FLASH_SECTOR_ADDR0*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.UintOfWeight, GUA_FLASH_SECTOR_ADDR1*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant, GUA_FLASH_SECTOR_ADDR2*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant1, GUA_FLASH_SECTOR_ADDR3*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant2, GUA_FLASH_SECTOR_ADDR4*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant3, GUA_FLASH_SECTOR_ADDR5*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset1, GUA_FLASH_SECTOR_ADDR6*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset2, GUA_FLASH_SECTOR_ADDR7*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset3, GUA_FLASH_SECTOR_ADDR8*4, 4);}}//写flashelse{//擦除GUA_Flash_IAP_Erase(GUA_FLASH_SECTOR_ADDR);//保存GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Key, GUA_FLASH_SECTOR_ADDR0*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.UintOfWeight, GUA_FLASH_SECTOR_ADDR1*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant, GUA_FLASH_SECTOR_ADDR2*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant1, GUA_FLASH_SECTOR_ADDR3*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant2, GUA_FLASH_SECTOR_ADDR4*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant3, GUA_FLASH_SECTOR_ADDR5*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset1, GUA_FLASH_SECTOR_ADDR6*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset2, GUA_FLASH_SECTOR_ADDR7*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset3, GUA_FLASH_SECTOR_ADDR8*4, 4);}#else//读flashif(nGUA_FlashControl_Status GUA_FLASH_CONTROL_READ){//读秘钥nGUA_Return *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 0*4);//如果有写过flash则读出来if(nGUA_Return 0x11223344){stGUA_Data.Key *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 0*4);stGUA_Data.UintOfWeight *(volatile uint32_t *)(GUA_FLASH_SECTOR_ADDR 1*4);stGUA_Data.Constant *(volatile float *)(GUA_FLASH_SECTOR_ADDR 2*4);stGUA_Data.Constant1 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 3*4);stGUA_Data.Constant2 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 4*4);stGUA_Data.Offset1 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 5*4);stGUA_Data.Offset2 *(volatile float *)(GUA_FLASH_SECTOR_ADDR 6*4);}//如果没有写过flash则保存初值else{//擦除GUA_Flash_IAP_Erase(GUA_FLASH_SECTOR_ADDR);//赋初值stGUA_Data.Key 0x11223344;stGUA_Data.UintOfWeight GUA_UINT_OF_WEIGHT_LB;/* 30元传感器stGUA_Data.Constant 4.16133022;stGUA_Data.Constant1 4.16074514;stGUA_Data.Constant2 4.15951014;stGUA_Data.Offset1 58.53125;stGUA_Data.Offset2 428.90625;*///10元传感器stGUA_Data.Constant 2.21304011;stGUA_Data.Constant1 2.21279502;stGUA_Data.Constant2 2.21271491;stGUA_Data.Offset1 24.515625;stGUA_Data.Offset2 48.515625;//保存进flashGUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Key, GUA_FLASH_SECTOR_ADDR0*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.UintOfWeight, GUA_FLASH_SECTOR_ADDR1*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant, GUA_FLASH_SECTOR_ADDR2*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant1, GUA_FLASH_SECTOR_ADDR3*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant2, GUA_FLASH_SECTOR_ADDR4*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset1, GUA_FLASH_SECTOR_ADDR5*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset2, GUA_FLASH_SECTOR_ADDR6*4, 4);}}//写flashelse{//擦除GUA_Flash_IAP_Erase(GUA_FLASH_SECTOR_ADDR);//保存GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Key, GUA_FLASH_SECTOR_ADDR0*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.UintOfWeight, GUA_FLASH_SECTOR_ADDR1*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant, GUA_FLASH_SECTOR_ADDR2*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant1, GUA_FLASH_SECTOR_ADDR3*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Constant2, GUA_FLASH_SECTOR_ADDR4*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset1, GUA_FLASH_SECTOR_ADDR5*4, 4);GUA_Flash_IAP_Program((GUA_U32 *)stGUA_Data.Offset2, GUA_FLASH_SECTOR_ADDR6*4, 4);}#endif}注意本驱动里有很多香瓜项目中的数据自行修改去除2编写驱动头文件GUA_Flash.h存放在“……\Projects\MT006_StdPeriph_Templates\GUA”//**********************************************************************//name: GUA_Flash.h//introduce: 存储驱动的头文件//author: 甜甜的大香瓜//email: 897503845qq.com//shop: opengua.taobao.com//changetime: 2023.06.20//**********************************************************************#ifndef _GUA_FLASH_H_#define _GUA_FLASH_H_/*********************头文件************************/#include main.h/*********************宏定义************************///类型宏#ifndef GUA_Ctypedef char GUA_C;#endif#ifndef GUA_U8typedef unsigned char GUA_U8;#endif#ifndef GUA_8typedef signed char GUA_8;#endif#ifndef GUA_U16typedef unsigned short GUA_U16;#endif#ifndef GUA_16typedef signed short GUA_16;#endif#ifndef GUA_U32typedef unsigned long GUA_U32;#endif#ifndef GUA_32typedef signed long GUA_32;#endif//读写flash控制的宏#define GUA_FLASH_CONTROL_READ 0 //读flash#define GUA_FLASH_CONTROL_WRITE 1 //写flash/*********************外部变量************************//*********************外部函数声明************************/extern void GUA_Flash_Control(GUA_U8 nGUA_FlashControl_Status);#endif3工程中添加驱动文件4在MDK设置中添加驱动源文件路径2、添加库的驱动1添加库的驱动文件为了方便一次性都添加进来已有则不用添加2添加库的驱动头文件mt006_conf.h 中为了方便一次性都添加进来已有则不用添加3、在应用层中调用1添加驱动头文件main.c中#include “GUA_Flash.h”2添加测试代码main.c的main函数中//读出flash数据GUA_Flash_Control(GUA_FLASH_CONTROL_READ);//修改flash数据//……使用全局变量修改//写入flash数据GUA_Flash_Control(GUA_FLASH_CONTROL_WRITE);八、注意事项暂无九、实验结果暂无