单片机成长之路（51基础篇） - 021 STC89C51系列单片机内部EEPROM 驱动

　　最近又看了一下关于stc单片机的知识，感觉在使用中EEPROM是个经常用到的东西，特地学习了一下，给大家分享一下心得，如有不足，多多包涵，废话不多说，一图解千言，先上图：

/*--------------------------------------------------------------分界线-----------------------------------------------------------------------------------*/

main_eepprom.c

 #include <STC89C5xRC.H>

 #ifdef EEPROM

 #include "eeprom.h"

 #endif

 # define LEDALL P1

 void Delay(int n){

     unsigned int x;

     while (n--) {

         x = ;

         while (++x);

     }

 }

 void main(){

     char i;

     unsigned char temp,temp0,temp1;

     while (){

         for(i=; i<; i++){

             temp0 = STC_EEPROM_assign_Read(,);

             temp1 = STC_EEPROM_assign_Read(,);

             temp = (temp0 %)+((temp1/)*);

             LEDALL = ~temp;

             Delay();

             temp = 0x11<<i;

             temp0 = temp %;

             temp1 = (temp / )*;

             SCT_EEPROM_assign_Write(,,temp0);

             SCT_EEPROM_assign_Write(,,temp1);

             temp = ;

         }

     }

 }

Eeprom.h

 /*--------------------------------------------------------------------------

 eeprom.h

 --------------------------------------------------------------------------*/

 #ifndef __EEPROM_H__

 #define __EEPROM_H__

 #include "intrins.h"

 /*声明与IAP相关的SFR寄存器 */

 sfr IAP_DATA    =   0xE2;           //闪存数据寄存器

 sfr IAP_ADDRH   =   0xE3;           //Flash地址为HIGH

 sfr IAP_ADDRL   =   0xE4;           //Flash地址为LOW

 sfr IAP_CMD     =   0xE5;           //Flash命令寄存器

 sfr IAP_TRIG    =   0xE6;           //Flash命令触发器

 sfr IAP_CONTR     =     0xE7;           //闪存控制寄存器

 /*宏定义 ISP/IAP/EEPROM 命令*/

 #define EEPROM_CMD_IDLE        0    //支持

 #define EEPROM_CMD_READ        1    //字节读

 #define EEPROM_CMD_PROGRAM     2    //字节编程

 #define EEPROM_CMD_ERASE    3    //扇区擦除

 /*IAP_CONTR定义ISP / IAP / EEPROM 时钟操作常量*/

 #define EEPROM_ENABLE_IAP    0x80            //开启IAP功能

 //Clock 时钟配置

 #define Clock_20M_40M      0x00           //if SYSCLK<40MHz

 #define Clock_10M_20M      0x01           //if SYSCLK<20MHz

 #define Clock_5M_10M    0x02           //if SYSCLK<10MHz

 #define Clock_0M_5M     0x03           //if SYSCLK<5MHz

 //EEPROM的起始地址

 #define EEPROM_BASE_ADDRESS    0x0000

 //STC89C51系列

 #define STC89x51_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x01000            //STC89C/LE51

 #define STC89x52_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x02000            //STC89C/LE52

 #define STC89x53_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x03000            //STC89C/LE53

 #define STC89x54_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x04000            //STC89C/LE54

 #define STC89x58_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x08000            //STC89C/LE58

 #define STC89x510_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0A000            //STC89C/LE510

 #define STC89x512_EEPROM_Start_ADDRESS  EEPROM_BASE_ADDRESS+0x0C000            //STC89C/LE512

 #define STC89x514_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0E000            //STC89C/LE514

 //STC89C51RC/RD+系列

 #define STC89x51RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x01000            //STC89C/LE51RC/RD+

 #define STC89x52RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x02000            //STC89C/LE52RC/RD+

 #define STC89x54RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x04000            //STC89C/LE54RC/RD+

 #define STC89x58RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x08000            //STC89C/LE58RC/RD+

 #define STC89x510RC_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0A000            //STC89C/LE510RC/RD+

 #define STC89x512RC_EEPROM_Start_ADDRESS      EEPROM_BASE_ADDRESS+0x0C000            //STC89C/LE512RC/RD+

 #define STC89x514RC_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0E000            //STC89C/LE514RC/RD+

 //STC90C51系列

 #define STC90x51_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x01000            //STC90C/LE51

 #define STC90x52_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x02000            //STC90C/LE52

 #define STC90x54_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x04000            //STC90C/LE54

 #define STC90x58_EEPROM_Start_ADDRESS   EEPROM_BASE_ADDRESS+0x08000            //STC90C/LE58

 #define STC90x510_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0A000            //STC90C/LE510

 #define STC90x512_EEPROM_Start_ADDRESS  EEPROM_BASE_ADDRESS+0x0C000            //STC90C/LE512

 #define STC90x514_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0E000            //STC90C/LE514

 //STC90C51RC/RD+系列

 #define STC90x51RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x01000            //STC90C/LE51RC/RD+

 #define STC90x52RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x02000            //STC90C/LE52RC/RD+

 #define STC90x12RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x03000            //STC90C/LE52RC/RD+

 #define STC90x54RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x04000            //STC90C/LE54RC/RD+

 #define STC90x58RC_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x08000            //STC90C/LE58RC/RD+

 #define STC90x510RC_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0A000            //STC90C/LE510RC/RD+

 #define STC90x512RC_EEPROM_Start_ADDRESS      EEPROM_BASE_ADDRESS+0x0C000            //STC90C/LE512RC/RD+

 #define STC90x514RC_EEPROM_Start_ADDRESS    EEPROM_BASE_ADDRESS+0x0E000            //STC90C/LE514RC/RD+

 //STC12xx052AD系列

 #define STC12xx052AD_EEPROM_Start_ADDRESS       EEPROM_BASE_ADDRESS+0x00000        //STC12xx052AD

 //EEPROM SIZE

 #define Sector_size    0x0200

 //STC89C51系列

 #define STC89x51_EEPROM_Sector_Number     18

 #define STC89x52_EEPROM_Sector_Number    10

 #define STC89x53_EEPROM_Sector_Number    4

 #define STC89x54_EEPROM_Sector_Number    90

 #define STC89x58_EEPROM_Sector_Number      58

 #define STC89x510_EEPROM_Sector_Number    44

 #define STC89x512_EEPROM_Sector_Number    28

 #define STC89x514_EEPROM_Sector_Number    12

 //STC89C51RC/RD+系列

 #define STC89x51RC_EEPROM_Sector_Number     8

 #define STC89x52RC_EEPROM_Sector_Number        8

 #define STC89x54RC_EEPROM_Sector_Number        90

 #define STC89x58RC_EEPROM_Sector_Number      58

 #define STC89x510RC_EEPROM_Sector_Number    42

 #define STC89x512RC_EEPROM_Sector_Number    26

 #define STC89x514RC_EEPROM_Sector_Number    10

 //STC90C51系列

 #define STC90x51_EEPROM_Sector_Number     10

 #define STC90x52_EEPROM_Sector_Number    10

 #define STC90x54_EEPROM_Sector_Number    90

 #define STC90x58_EEPROM_Sector_Number      58

 #define STC90x510_EEPROM_Sector_Number    42

 #define STC90x512_EEPROM_Sector_Number    26

 #define STC90x514_EEPROM_Sector_Number    10

 //STC89C51RC/RD+系列

 #define STC90x51RC_EEPROM_Sector_Number     18

 #define STC90x52RC_EEPROM_Sector_Number        10

 #define STC90x12RC_EEPROM_Sector_Number        2

 #define STC90x54RC_EEPROM_Sector_Number        90

 #define STC90x58RC_EEPROM_Sector_Number      58

 #define STC90x510RC_EEPROM_Sector_Number    42

 #define STC90x512RC_EEPROM_Sector_Number    26

 #define STC90x514RC_EEPROM_Sector_Number    10

 //STC89C51RC/RD+系列

 #define STC90x51RC_EEPROM_Sector_Number     18

 #define STC90x52RC_EEPROM_Sector_Number        10

 #define STC90x12RC_EEPROM_Sector_Number        2

 #define STC90x54RC_EEPROM_Sector_Number        90

 #define STC90x58RC_EEPROM_Sector_Number      58

 #define STC90x510RC_EEPROM_Sector_Number    42

 #define STC90x512RC_EEPROM_Sector_Number    26

 #define STC90x514RC_EEPROM_Sector_Number    10

 //STC12xx052AD系列

 #define STC12xx052AD_EEPROM_Sector_Number     20

 //EEPROM end

 //STC89C51系列

 #define STC89x51_EEPROM_End_ADDRESS STC89x51_EEPROM_Start_ADDRESS+Sector_size*(STC89x51_EEPROM_Sector_Number)-1

 #define STC89x52_EEPROM_End_ADDRESS STC89x52_EEPROM_Start_ADDRESS+Sector_size*(STC89x52_EEPROM_Sector_Number)-1

 #define STC89x53_EEPROM_End_ADDRESS STC89x53_EEPROM_Start_ADDRESS+Sector_size*(STC89x53_EEPROM_Sector_Number)-1

 #define STC89x54_EEPROM_End_ADDRESS STC89x54_EEPROM_Start_ADDRESS+Sector_size*(STC89x54_EEPROM_Sector_Number)-1

 #define STC89x58_EEPROM_End_ADDRESS STC89x58_EEPROM_Start_ADDRESS+Sector_size*(STC89x58_EEPROM_Sector_Number)-1

 #define STC89x510_EEPROM_End_ADDRESS STC89x510_EEPROM_Start_ADDRESS+Sector_size*(STC89x510_EEPROM_Sector_Number)-1

 #define STC89x512_EEPROM_End_ADDRESS STC89x512_EEPROM_Start_ADDRESS+Sector_size*(STC89x512_EEPROM_Sector_Number)-1

 #define STC89x514_EEPROM_End_ADDRESS STC89x514_EEPROM_Start_ADDRESS+Sector_size*(STC89x514_EEPROM_Sector_Number)-1

 //STC89C51RC/RD+系列

 #define STC89x51RC_EEPROM_End_ADDRESS STC89x51RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x51RC_EEPROM_Sector_Number)-1

 #define STC89x52RC_EEPROM_End_ADDRESS STC89x52RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x52RC_EEPROM_Sector_Number)-1

 #define STC89x54RC_EEPROM_End_ADDRESS STC89x54RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x54RC_EEPROM_Sector_Number)-1

 #define STC89x58RC_EEPROM_End_ADDRESS STC89x58RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x58RC_EEPROM_Sector_Number)-1

 #define STC89x510RC_EEPROM_End_ADDRESS STC89x510RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x510RC_EEPROM_Sector_Number)-1

 #define STC89x512RC_EEPROM_End_ADDRESS STC89x512RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x512RC_EEPROM_Sector_Number)-1

 #define STC89x514RC_EEPROM_End_ADDRESS STC89x514RC_EEPROM_Start_ADDRESS+Sector_size*(STC89x514RC_EEPROM_Sector_Number)-1

 //STC90C51系列

 #define STC90x51_EEPROM_End_ADDRESS STC90x51_EEPROM_Start_ADDRESS+Sector_size*(STC90x51_EEPROM_Sector_Number)-1

 #define STC90x52_EEPROM_End_ADDRESS STC90x52_EEPROM_Start_ADDRESS+Sector_size*(STC90x52_EEPROM_Sector_Number)-1

 #define STC90x54_EEPROM_End_ADDRESS STC90x54_EEPROM_Start_ADDRESS+Sector_size*(STC90x54_EEPROM_Sector_Number)-1

 #define STC90x58_EEPROM_End_ADDRESS STC90x58_EEPROM_Start_ADDRESS+Sector_size*(STC90x58_EEPROM_Sector_Number)-1

 #define STC90x510_EEPROM_End_ADDRESS STC90x510_EEPROM_Start_ADDRESS+Sector_size*(STC90x510_EEPROM_Sector_Number)-1

 #define STC90x512_EEPROM_End_ADDRESS STC90x512_EEPROM_Start_ADDRESS+Sector_size*(STC90x512_EEPROM_Sector_Number)-1

 #define STC90x514_EEPROM_End_ADDRESS STC90x514_EEPROM_Start_ADDRESS+Sector_size*(STC90x514_EEPROM_Sector_Number)-1

 //STC90C51RC/RD+系列

 #define STC90x51RC_EEPROM_End_ADDRESS STC90x51RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x51RC_EEPROM_Sector_Number)-1

 #define STC90x52RC_EEPROM_End_ADDRESS STC90x52RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x52RC_EEPROM_Sector_Number)-1

 #define STC90x12RC_EEPROM_End_ADDRESS STC90x12RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x12RC_EEPROM_Sector_Number)-1

 #define STC90x54RC_EEPROM_End_ADDRESS STC90x54RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x54RC_EEPROM_Sector_Number)-1

 #define STC90x58RC_EEPROM_End_ADDRESS STC90x58RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x58RC_EEPROM_Sector_Number)-1

 #define STC90x510RC_EEPROM_End_ADDRESS STC90x510RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x510RC_EEPROM_Sector_Number)-1

 #define STC90x512RC_EEPROM_End_ADDRESS STC90x512RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x512RC_EEPROM_Sector_Number)-1

 #define STC90x514RC_EEPROM_End_ADDRESS STC90x514RC_EEPROM_Start_ADDRESS+Sector_size*(STC90x514RC_EEPROM_Sector_Number)-1

 //STC12xx052AD系列

 #define STC12xx052AD_EEPROM_End_ADDRESS STC12xx052AD_EEPROM_Start_ADDRESS+Sector_size*(STC12xx052AD_EEPROM_Sector_Number)-1

 /*-----------set eeprom parameter-----------*/

 //STC89C51系列

 #ifdef STC89x51

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x51_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x51_EEPROM_Start_ADDRESS + Sector_size*(STC89x51_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x51_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x52

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x52_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x52_EEPROM_Start_ADDRESS + Sector_size*(STC89x52_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x52_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x53

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x53_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x53_EEPROM_Start_ADDRESS + Sector_size*(STC89x53_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x53_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x54

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x54_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x54_EEPROM_Start_ADDRESS + Sector_size*(STC89x54_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x54_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x58

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x58_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x58_EEPROM_Start_ADDRESS + Sector_size*(STC89x58_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x58_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x510

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x510_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x510_EEPROM_Start_ADDRESS + Sector_size*(STC89x510_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x510_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x512

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x512_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x512_EEPROM_Start_ADDRESS + Sector_size*(STC89x512_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x512_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x514

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x514_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x514_EEPROM_Start_ADDRESS + Sector_size*(STC89x514_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x514_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 //STC89C51RC系列

 #ifdef STC89x51RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x51RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x51RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x51RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x51RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x52RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x52RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x52RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x52RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x52RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x54RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x54RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x54RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x54RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x54RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x58RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x58RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x58RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x58RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x58RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x510RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x510RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x510RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x510RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x510RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x512RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x512RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x512RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x512RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x512RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC89x514RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC89x514RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC89x514RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x514RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC89x514RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 //STC90C51系列

 #ifdef STC90x51

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x51_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x51_EEPROM_Start_ADDRESS + Sector_size*(STC90x51_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x51_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x52

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x52_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x52_EEPROM_Start_ADDRESS + Sector_size*(STC90x52_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x52_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x54

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x54_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x54_EEPROM_Start_ADDRESS + Sector_size*(STC90x54_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x54_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x58

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x58_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x58_EEPROM_Start_ADDRESS + Sector_size*(STC90x58_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x58_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x510

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x510_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x510_EEPROM_Start_ADDRESS + Sector_size*(STC90x510_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x510_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x512

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x512_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x512_EEPROM_Start_ADDRESS + Sector_size*(STC90x512_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x512_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x514

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x514_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x514_EEPROM_Start_ADDRESS + Sector_size*(STC90x514_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x514_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 //STC90C51RC系列

 #ifdef STC90x51RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x51RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x51RC_EEPROM_Start_ADDRESS + Sector_size*(STC90x51RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x51RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x52RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x52RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x52RC_EEPROM_Start_ADDRESS + Sector_size*(STC90x52RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x52RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x12RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x12RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x12RC_EEPROM_Start_ADDRESS + Sector_size*(STC90x12RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x12RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x54RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x54RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x54RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x54RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x54RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x58RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                    //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x58RC_EEPROM_Start_ADDRESS                                                     //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x58RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x58RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x58RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x510RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x510RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x510RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x510RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x510RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x512RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x512RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x512RC_EEPROM_Start_ADDRESS + Sector_size*(STC89x512RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x512RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 #ifdef STC90x514RC

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                        //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC90x514RC_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC90x514RC_EEPROM_Start_ADDRESS + Sector_size*(STC90x514RC_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC90x514RC_EEPROM_End_ADDRESS                                                        //eeprom结束地址

 #endif

 //STC12xx052AD系列

 #if defined(STC12xx052AD) || defined(STC12x1052AD) || defined(STC12x2052AD) || defined(STC12x4052AD) || defined(STC12x5052AD)

 #define ENABLE_EEPROM                   EEPROM_ENABLE_IAP+Clock_10M_20M                                                            //开启IAP，配置时钟

 #define EEPROM_Start_ADDRESS             STC12xx052AD_EEPROM_Start_ADDRESS                                                         //eeprom起始地址

 #define EEPROM_buf_ADDRESS                 STC12xx052AD_EEPROM_Start_ADDRESS + Sector_size*(STC12xx052AD_EEPROM_Sector_Number -1)    //eeprom起始地址

 #define EEPROM_end_ADDRESS                 STC12xx052AD_EEPROM_End_ADDRESS                                                            //eeprom结束地址

 #endif

 /*----------------函数-----------------*/

 /*-----------eeprom------------*/

 //Eeprom_Unlock（解锁）

 void Eeprom_Unlock(void);

 //Eeprom_Locked（上锁）

 void Eeprom_Locked(void);

 //Eeprom_Effective（配置生效）

 void Eeprom_Effective(void);

 //EEPROM区域读取一个字节

 unsigned char EEPROM_Read_Byte(unsigned int addr);

 //将一个字节编程到EEPROM区域

 void EEPROM_Write_Byte(unsigned int addr, unsigned char dat);

 //擦除一个扇区

 void EEPROM_Erase_sector(unsigned int addr);

 //读取指定地址数据

 unsigned char EEPROM_assign_Read(unsigned char Sector,unsigned int position);

 //写入指定地址数据

 void EEPROM_assign_Write(unsigned char Sector,unsigned int position,unsigned char value);

 /************************************************************/

 //字节对比

 bit Compared(unsigned char Evalue,unsigned char value);

 //stc 读取指定地址数据

 unsigned char STC_EEPROM_assign_Read(unsigned char Sector,unsigned int position);

 //stc 写入指定地址数据

 void SCT_EEPROM_assign_Write(unsigned char Sector,unsigned int position,unsigned char value);

 #endif

Eeprom.c

 #include "eeprom.h"

 /*-----------eeprom------------*/

 //-------------------------------

 //Eeprom_Unlock（解锁）

 //Input: on

 //Output:on

 //-------------------------------

 void Eeprom_Unlock(void)

 {

     IAP_CONTR = ENABLE_EEPROM;         //打开IAP功能，并设置等待时间

 }

 //-------------------------------

 //Eeprom_Locked（上锁）

 //Input: on

 //Output:on

 //-------------------------------

 void Eeprom_Locked(void)

 {

     IAP_CONTR = ;                  //关闭IAP功能

     IAP_CMD = ;                    //清除命令到待机状态

     IAP_TRIG = ;                   //清除触发寄存器

     IAP_ADDRH = 0x80;               //数据ptr指向非EEPROM区域

     IAP_ADDRL = ;                  //清除IAP地址以防止滥用

 }

 //-------------------------------

 //Eeprom_Effective（配置生效）

 //Input: on

 //Output:on

 //-------------------------------

 void Eeprom_Effective(void)

 {

     IAP_TRIG = 0x46;                //发送触发器命令1（0x46）

     IAP_TRIG = 0xb9;                //发送触发器命令2（0xb9）

     _nop_();                        //MCU将保持在此处，直到ISP / IAP / EEPROM操作完成

 }

 //-------------------------------

 //EEPROM区域读取一个字节

 //Input: addr 16位EEPROM地址

 //Output:on

 //-------------------------------

 unsigned char EEPROM_Read_Byte(unsigned int addr)

 {

     unsigned char dat;                //数据缓冲区

     Eeprom_Unlock();

     IAP_CMD = EEPROM_CMD_READ;      //设置ISP / IAP / EEPROM READ命令

     IAP_ADDRL = addr;               //将ISP / IAP / EEPROM地址低8位设置

     IAP_ADDRH = addr >> ;          //将ISP / IAP / EEPROM地址高8位设置

     Eeprom_Effective();        //生效

     dat = IAP_DATA;                 //读取ISP / IAP / EEPROM数据

     Eeprom_Locked();                //关闭ISP / IAP / EEPROM功能

     return dat;                     //返回Flash数据

 }

 //-------------------------------

 //将一个字节编程到EEPROM区域

 //Input: addr 16位EEPROM地址

 //        value 8位数据

 //Output:on

 //-------------------------------

 void EEPROM_Write_Byte(unsigned int addr, unsigned char value)

 {

     Eeprom_Unlock();

     IAP_CMD = EEPROM_CMD_PROGRAM;   //设置EEPROM PROGRAM命令

     IAP_ADDRL = addr;               //将EEPROM地址低8位设置

     IAP_ADDRH = addr >> ;          //将EEPROM地址高8位设置

     IAP_DATA = value;               //数据写入寄存器

     Eeprom_Effective();        //生效

     Eeprom_Locked();

 }

 //-------------------------------

 //擦除EEPROM一个扇区

 //Input: addr 16位EEPROM地址

 //Output:on

 //-------------------------------

 void EEPROM_Erase_sector(unsigned int addr)

 {

     Eeprom_Unlock();

     IAP_CMD = EEPROM_CMD_ERASE;     //Set ISP/IAP/EEPROM ERASE command

     IAP_ADDRL = addr;               //Set ISP/IAP/EEPROM address low

     IAP_ADDRH = addr >> ;          //Set ISP/IAP/EEPROM address high

     Eeprom_Effective();                //生效

     Eeprom_Locked();

 }

 //-------------------------------

 //读取指定地址数据

 //Input: Sector 扇区编号

 //        position 扇区内相对地址

 //Output:指定位置的数据

 //-------------------------------

 unsigned char EEPROM_assign_Read(unsigned char Sector,unsigned int position){

     return EEPROM_Read_Byte(EEPROM_Start_ADDRESS + Sector*Sector_size + position);

 }

 //-------------------------------

 //写入指定地址数据

 //Input: Sector 扇区编号

 //        position 扇区内相对地址

 //        value 写入指定位置的数据

 //Output:on

 //-------------------------------

 void EEPROM_assign_Write(unsigned char Sector,unsigned int position,unsigned char value){

     EEPROM_Write_Byte(EEPROM_Start_ADDRESS + Sector*Sector_size + position,value);    //鉴定是否需要擦除

 }

 /*--------------------------------------------------------------------*/

 //-------------------------------

 //写入指定地址数据

 //Input: Evalue EEPROM读取的数据

 //        value 新的数据

 //Output:0 符合，直接写入

 //        1要进行数据处理

 //-------------------------------

 bit Compared(unsigned char Evalue,unsigned char value){

     unsigned char i;

     unsigned char date = ;

     bit Ev;

     bit V;

     for(i = ; i < ; i++){

         Ev     = (Evalue & (0x01 << i));

         V    = (value & (0x01 << i));

         if((Ev == )&&(V == ))return ;

     }

     return ;

 }

 //-------------------------------

 //stc 读取指定地址数据

 //Input: Sector 扇区编号

 //        position 扇区内相对地址

 //Output:指定位置的数据

 //-------------------------------

 unsigned char STC_EEPROM_assign_Read(unsigned char Sector,unsigned int position){

     return EEPROM_assign_Read(Sector,position);

 }

 //stc 写入指定地址数据（根据STC单片机特点，对EEPROM写入进行特别的处理）

 void SCT_EEPROM_assign_Write(unsigned char Sector,unsigned int position,unsigned char value){

     int count;

     if( == Compared(STC_EEPROM_assign_Read(Sector,position),value))EEPROM_assign_Write(Sector,position,value);        //鉴定是否需要擦除

     else {

         EEPROM_Erase_sector(EEPROM_buf_ADDRESS);                    //清洗EEPROM缓存区

         for(count = ; count < Sector_size;count++){

             if(position == count)EEPROM_Write_Byte( EEPROM_buf_ADDRESS+position,value);                    //替换数据

             else EEPROM_Write_Byte(EEPROM_buf_ADDRESS + count,EEPROM_assign_Read(Sector,count));        //复制数据

         }

         EEPROM_Erase_sector(EEPROM_Start_ADDRESS + Sector*Sector_size);                                  //擦除一个扇区（起始地址）

         for(count = ; count < Sector_size;count++)EEPROM_assign_Write(Sector,count,EEPROM_Read_Byte(EEPROM_buf_ADDRESS + count));

     }

 }

本代码支持只stc89/90系列自带EEPROM的单片机。

单片机成长之路（51基础篇） - 021 STC89C51系列单片机内部EEPROM 驱动的更多相关文章

单片机成长之路（51基础篇） - 022 N76e003 APROM模拟EEPROM驱动
N76e003单片机内部没有EEPROM,但是可以使用 APROM模拟EEPROM功能,代码如下: eeprom.h #ifndef _EEPROM_H_ #define _EEPROM_H_ //E ...
单片机成长之路（51基础篇） - 002 STC单片机冷启动和复位有什么区别
STC单片机简介 STC单片机是一款增强型51单片机,完全兼容MCS-51,还增加了新的功能,比如新增两级中断优先级,多一个外中断,内置EEPROM,硬件看门狗,具有掉电模式,512B内存等.还支持I ...
单片机成长之路（51基础篇） - 015 关于sdcc的多文件编译范例二
本文是续单片机成长之路(51基础篇) - 009 关于sdcc的多文件编译范例(一)编写的. 在实际的工作中,单片机的头文件和功能函数不可能同全部放在同一个文件夹下面,我们把单片机成长之路(51基础 ...
单片机成长之路（51基础篇） - 009 关于sdcc的多文件编译范例(一)
本文是续单片机成长之路(51基础篇) - 006 在Linux下搭建51单片机的开发烧写环境编写的. 本范例主要由(main.c ,delay.h,delay.c,makefile)4个文件组成,s ...
（转）Python成长之路【第九篇】：Python基础之面向对象
一.三大编程范式正本清源一:有人说,函数式编程就是用函数编程-->错误1 编程范式即编程的方法论,标识一种编程风格大家学习了基本的Python语法后,大家就可以写Python代码了,然后每个 ...
单片机成长之路（51基础篇） - 026 基于stm89c52之单片机看门狗
基于stc89c52的看门狗,代码如下: main.c #include "stc89c5x_Quick_configuration.h" // 自定义头文件 #include & ...
单片机成长之路（avr基础篇）- 001 ISP与IAP的区别
ISP(In-System Programming)在系统可编程,指电路板上的空白器件可以编程写入最终用户代码, 而不需要从电路板上取下器件,已经编程的器件也可以用ISP方式擦除或再编程.IAP(In ...
Sass进阶之路,之一(基础篇)
Sass 学习Sass之前,应该要知道css预处理器这个东西,css预处理器是什么呢? Css预处理器定义了一种新的语言将Css作为目标生成文件,然后开发者就只要使用这种语言进行编码工作了.预处理器通 ...
python成长之路第三篇(1)_初识函数
目录: 函数为什么要使用函数什么是函数函数的返回值文档化函数函数传参数文件操作(二) 1.文件操作的步骤 2.文件的内置方法函数: 一.为什么要使用函数在日常写代码中,我们会发现有很多 ...

随机推荐

Java常用API及Math类
一.API的概述 API——Application Programing Interface:应用程序编程接口,是java提供的一些预定义的函数: 目的:基于API实现程序的快速编写,只需了解其作用, ...
使用PHPStorm 配置自定义的Apache与PHP环境
使用PHPStorm 配置自定义的Apache与PHP环境之一关于phpstorm配置php开发环境,大多数资料都是直接推荐安装wapmserver.而对于如何配置自定义的PHP环境和Apach ...
Django分页（一）
Django分页(一) 手动实现简单分页 HTML <!DOCTYPE html> <html lang="en"> <head> <me ...
001.NoSQL及MongoDB简介
一 NoSQL简介二分布式系统三 CAP及BASE定律以上均可参考: http://www.runoob.com/mongodb/nosql.html 四 MongoDB简介参考:http: ...
google像apple 30亿美元购买流量
google花费30亿美元像apple购买流量作为iphone默认搜索引擎.
Codeforces.578E.Walking(构造)
题目链接 $Description$ 给定一个长为$n$的足迹序列(只包含$L,R$两种字符),你需要$LRLRLR...$这样交替在$L$和$R$上走(第一步可以选择\(L\ ...
Git——常用场景解析
总结:本篇文章从初识GitHub.Git,实践GitHub的五种常用场景,分别是:git for windows安装,git配置,克隆远程代码到本地,上传本地代码到远程以及Git的常用指令.相信Jam ...
vue动态切换视图
big.vue <template> <div> big <p>{{view}}</p>  <component ...
轻松掌握Redux-Action使用方法
轻松掌握Redux-Action使用方法 Redux-Action主要有两个方法,createAction和createAction,只要掌握了这两个方法就会了redux-action的使用. cre ...
bzoj3255 一个关于序列的游戏
题意是啥给你一个数列,可以任意删去一段,记其长度为$s$,得到$val_s$的价值,问你最大价值和为多少.. 其中这一段数要满足成一个上凸且相邻数差为$1$ 显然,删掉一段数后剩下的左右会相邻.. ...

单片机成长之路（51基础篇） - 021 STC89C51系列单片机 内部EEPROM 驱动

单片机成长之路（51基础篇） - 021 STC89C51系列单片机 内部EEPROM 驱动的更多相关文章

随机推荐

热门专题

单片机成长之路（51基础篇） - 021 STC89C51系列单片机内部EEPROM 驱动

单片机成长之路（51基础篇） - 021 STC89C51系列单片机内部EEPROM 驱动的更多相关文章