设为首页收藏本站
开启辅助访问 切换到宽版

 找回密码
 立即注册

QQ登录

只需一步，快速开始

热门： 51单片机 | 24小时必答区 | 单片机教程 | 单片机DIY制作 | STM32 | Cortex M3 | 模数电子 | 电子DIY制作 | 音响/功放 | 拆机乐园 | Arduino | 嵌入式OS | 程序设计

搜索
»论坛 › 嵌入式/单片机论坛 › 24小时必答区 › 关于#include "eeprom52.h"这句单片机程序是什么意 ...
返回列表 发新帖
查看: 8702|回复: 2
收起左侧

关于#include "eeprom52.h"这句单片机程序是什么意思?

[复制链接]
ID:515587 发表于 2019-4-29 13:22 | 显示全部楼层 |阅读模式
想请问大佬们一下#include "eeprom52.h"

这段代码是什么意思呢？有什么作用啊？

回复

使用道具 举报

ID:96682 发表于 2019-4-29 17:32 | 显示全部楼层
单片机芯片内部的 E2PROM 头文件
回复

使用道具 举报

ID:155507 发表于 2019-4-29 18:28 | 显示全部楼层
单片机片内存储器的功能操作头文件
存成eeprom52.h 。H试下吧，

  1. #ifndef _EERPOM52_H_
  2. #define _EEPROM52_H_

  4. #include <reg51.h>
  5. #include "intrins.h"

  7. #define nop() _nop_()

  9. #define uint8 unsigned char
  10. #define uint16 unsigned int

  12. /*Declare SFR associated with the IAP */
  13. sfr IAP_DATA = 0xC2; //Flash data register
  14. sfr IAP_ADDRH = 0xC3; //Flash address HIGH
  15. sfr IAP_ADDRL = 0xC4; //Flash address LOW
  16. sfr IAP_CMD = 0xC5; //Flash command register
  17. sfr IAP_TRIG = 0xC6; //Flash command trigger
  18. sfr IAP_CONTR = 0xC7; //Flash control register

  20. /*Define ISP/IAP/EEPROM command*/
  21. #define CMD_IDLE 0 //Stand-By
  22. #define CMD_READ 1 //Byte-Read
  23. #define CMD_PROGRAM 2 //Byte-Program
  24. #define CMD_ERASE 3 //Sector-Erase

  26. /*Define ISP/IAP/EEPROM operation const for IAP_CONTR*/
  27. //#define ENABLE_IAP 0x80 //if SYSCLK<30MHz
  28. #define ENABLE_IAP 0x81 //if SYSCLK<24MHz
  29. //#define ENABLE_IAP 0x82 //if SYSCLK<20MHz
  30. //#define ENABLE_IAP 0x83 //if SYSCLK<12MHz
  31. //#define ENABLE_IAP 0x84 //if SYSCLK<6MHz
  32. //#define ENABLE_IAP 0x85 //if SYSCLK<3MHz
  33. //#define ENABLE_IAP 0x86 //if SYSCLK<2MHz
  34. //#define ENABLE_IAP 0x87 //if SYSCLK<1MHz

  36. //Start address for STC11/10xx EEPROM
  37. //#define IAP_ADDRESS 0x0400

  39. //Start address for STC12C5A60S2 EEPROM
  40. #define IAP_ADDRESS 0x0000


  43. void EEPROMDelay(uint8 n)
  44. {
  45.         uint16 x;

  47.         while (n--)
  48.         {
  49.                 x =125;
  50.                 while (x--);
  51.         }
  52. }

  54. /*----------------------------
  55. * 名称 : IapIdle();
  56. * 功能 : 关闭IAP EEPROM编辑功能，安全操作
  57. ----------------------------*/
  58. void IapIdle()
  59. {
  60.         IAP_CONTR = 0; //Close IAP function
  61.         IAP_CMD = 0; //Clear command to standby
  62.         IAP_TRIG = 0; //Clear trigger register
  63.         IAP_ADDRH = 0x80; //Data ptr point to non-EEPROM area
  64.         IAP_ADDRL = 0; //Clear IAP address to prevent misuse
  65. }


  68. /*----------------------------
  69. * 名称 : IapReadByte(0x0000);
  70. * 功能 : 读扇区
  71. ----------------------------*/
  72. uint8 IapReadByte(uint16 addr)
  73. {
  74.         uint8 dat; //Data buffer

  76.         IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
  77.         IAP_CMD = CMD_READ; //Set ISP/IAP/EEPROM READ command
  78.         IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
  79.         IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
  80.         IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
  81.         IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
  82.         nop(); //MCU will hold here until ISP/IAP/EEPROM operation complete
  83.         dat = IAP_DATA; //Read ISP/IAP/EEPROM data
  84.         IapIdle(); //Close ISP/IAP/EEPROM function

  86.         return dat; //Return Flash data
  87. }

  89. /*----------------------------
  90. * 名称 : IapEraseSector(0x0000);
  91. * 功能 : 扇区擦除
  92. ----------------------------*/
  93. void IapEraseSector(uint16 addr)
  94. {
  95.         IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
  96.         IAP_CMD = CMD_ERASE; //Set ISP/IAP/EEPROM ERASE command
  97.         IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
  98.         IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
  99.         IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
  100.         IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
  101.         nop(); //MCU will hold here until ISP/IAP/EEPROM operation complete
  102.         IapIdle();
  103. }


  106. /*----------------------------
  107. * 名称 : IapProgramByte(0x0000,data);
  108. * 功能 : 扇区编辑
  109. ----------------------------*/
  110. void IapProgramByte(uint16 addr, uint8 dat)
  111. {
  112.         IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
  113.         IAP_CMD = CMD_PROGRAM; //Set ISP/IAP/EEPROM PROGRAM command
  114.         IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
  115.         IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
  116.         IAP_DATA = dat; //Write ISP/IAP/EEPROM data
  117.         IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
  118.         IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
  119.         nop(); //MCU will hold here until ISP/IAP/EEPROM operation complete
  120.         IapIdle();
  121. }

  123. /*----------------------------
  124. * 名称 : IapProgramWord(0x0000,data);
  125. * 功能 : 十六位扇区编辑
  126. ----------------------------*/
  127. void IapProgramWord(uint16 addr, uint16 dat)
  128. {
  129.         uint8 dat_L,dat_H;
  130.         dat_L=dat;
  131.         dat_H=dat >> 8;

  133.         IAP_CONTR = ENABLE_IAP;
  134.         IAP_CMD = CMD_PROGRAM;
  135.         IAP_ADDRL = addr+0x0001;
  136.         IAP_ADDRH = (addr+0x0001)>> 8;
  137.         IAP_DATA = dat_H;
  138.         IAP_TRIG = 0x5a;
  139.         IAP_TRIG = 0xa5;
  140.         nop();
  141.         IapIdle();

  143.         IAP_CONTR = ENABLE_IAP;
  144.         IAP_CMD = CMD_PROGRAM;
  145.         IAP_ADDRL = addr;
  146.         IAP_ADDRH = addr >> 8;
  147.         IAP_DATA = dat_L;
  148.         IAP_TRIG = 0x5a;
  149.         IAP_TRIG = 0xa5;
  150.         nop();
  151.         IapIdle();

  153. }

  155. /*----------------------------
  156. * 名称 : IapReadWord(0x0000);
  157. * 功能 : 读十六位扇区
  158. ----------------------------*/
  159. uint16 IapReadWord(uint16 addr)
  160. {
  161.         uint16 dat; //Data buffer
  162.         uint8 dat_H,dat_L;

  164.         IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
  165.         IAP_CMD = CMD_READ; //Set ISP/IAP/EEPROM READ command
  166.         IAP_ADDRL = (addr+0x0001); //Set ISP/IAP/EEPROM address low
  167.         IAP_ADDRH = (addr+0x0001) >> 8; //Set ISP/IAP/EEPROM address high
  168.         IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
  169.         IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
  170.         nop(); //MCU will hold here until ISP/IAP/EEPROM operation complete
  171.         dat_H = IAP_DATA; //Read ISP/IAP/EEPROM data
  172.         IapIdle();

  174.         IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time
  175.         IAP_CMD = CMD_READ; //Set ISP/IAP/EEPROM READ command
  176.         IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low
  177.         IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high
  178.         IAP_TRIG = 0x5a; //Send trigger command1 (0x5a)
  179.         IAP_TRIG = 0xa5; //Send trigger command2 (0xa5)
  180.         nop(); //MCU will hold here until ISP/IAP/EEPROM operation complete
  181.         dat_L= IAP_DATA; //Read ISP/IAP/EEPROM data
  182.         IapIdle(); //Close ISP/IAP/EEPROM function

  184.         dat=(dat_H << 8)+dat_L;

  186.         return dat; //Return Flash data
  187. }


  190. #endif

复制代码


回复

使用道具 举报

返回列表 发新帖
高级模式
B Color Image Link Quote Code Smilies
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

手机版|小黑屋|51黑电子论坛 |51黑电子论坛6群 QQ 管理员QQ:125739409;技术交流QQ群281945664

Powered by 单片机教程网

快速回复 返回顶部 返回列表