久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: 關于#include "eeprom52.h"這句單片機程序是什么意思? [打印本頁]
作者: 2059150559    時間: 2019-4-29 13:22
標題: 關于#include "eeprom52.h"這句單片機程序是什么意思?
想請問大佬們一下#include "eeprom52.h"

這段代碼是什么意思呢？有什么作用啊？

作者: wc86110    時間: 2019-4-29 17:32
單片機芯片內部的 E2PROM 頭文件
作者: angmall    時間: 2019-4-29 18:28
單片機片內存儲器的功能操作頭文件
存成eeprom52.h 。H試下吧，

  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. * 名稱 : IapIdle();
  56. * 功能 : 關閉IAP EEPROM編輯功能，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. * 名稱 : IapReadByte(0x0000);
  70. * 功能 : 讀扇區
  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. * 名稱 : IapEraseSector(0x0000);
  91. * 功能 : 扇區擦除
  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. * 名稱 : IapProgramByte(0x0000,data);
  108. * 功能 : 扇區編輯
  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. * 名稱 : IapProgramWord(0x0000,data);
  125. * 功能 : 十六位扇區編輯
  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. * 名稱 : IapReadWord(0x0000);
  157. * 功能 : 讀十六位扇區
  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

復制代碼






歡迎光臨 (http://www.zg4o1577.cn/bbs/) Powered by Discuz! X3.1
主站蜘蛛池模板： 天堂国产 | 日韩视频在线免费观看 | 成年免费大片黄在线观看一级 | 免费精品在线视频 | 国产精品99久久久久久宅男 | 欧美精品网 | 久久精品国产99国产精品亚洲 | 亚洲精品日韩欧美 | 日韩一级免费观看 | 欧美日韩一区在线 | 午夜精品一区 | 波多野结衣在线观看一区二区三区 | 国产色婷婷精品综合在线手机播放 | 狠狠干综合视频 | 亚洲一区二区三区高清 | 四虎影院新网址 | 一区二区成人 | 99视频在线播放 | 欧美a∨| 国产福利视频 | 亚洲视频在线观看 | 国产精品精品久久久 | 色婷婷综合网 | 欧美黄色网 | 国产精品九九九 | a视频在线 | 精品视频在线观看 | 在线小视频 | 狠狠躁夜夜躁人人爽天天高潮 | 人人做人人澡人人爽欧美 | 精品国产乱码久久久久久牛牛 | 日本一区二区三区在线观看 | 欧美久久久久久 | 国产传媒在线观看 | 午夜在线影院 | 欧美日韩久久精品 | 美女张开腿露出尿口 | 久久精品一区二区 | 亚洲国产精品一区二区三区 | 久久国产一区 | 免费毛片网站在线观看 |