AVR(ATMEGA128/16)内部EEPROM读写

/****************************内部EEPROM头文件***************************/

#ifndef __eeprom_H__
#define __eeprom_H__

void EEPROM_write(unsigned int Address, unsigned char Data);//写入一个字节
void EEPROM_write_num(unsigned int Address, unsigned char Data[],uchar num);//写多个字节
unsigned char EEPROM_read(unsigned int Address);//读取一个字节

#endif

/****************************内部EEPROMC文件***************************/

#include "config.h"

/*EEPROM写子入程序*/
//写一个字节
void EEPROM_write(unsigned int Address, unsigned char Data)
{
 while(EECR & (1<  EEAR = Address;          /* 设置地址和数据寄存器*/
 EEDR = Data;
 CLI();
 EECR |= (1<  EECR |= (1<  SEI();
 }

//写多个字节
void EEPROM_write_num(unsigned int Address, unsigned char Data[],uchar num)
{
    uchar jj;
  for(jj=0;jj   {
    while(EECR & (1<     EEAR = Address;          /* 设置地址和数据寄存器*/
    EEDR = Data[jj];
    CLI();
    EECR |= (1<     EECR |= (1<     SEI();
 Address++;
   }
} 
 
 /*从EEPROM中读取数据*/
 unsigned char EEPROM_read(unsigned int Address)
{
  while(EECR & (1<   EEAR = Address;          /* 设置地址寄存器*/
  EECR |= (1<   return EEDR;            /* 自数据寄存器返回数据 */
}

/****************************主函数头文件***************************/

#ifndef __config_H__
#define __config_H__ 1

#include
#include
#define uchar unsigned char
#define uint unsigned int

#include "delay.h"
#include "eeprom.h"
#include "lcd.h"

#endif

/****************************主函数度C文件***************************/

#include "config.h"

void port_init(void);
void main()
{  
   uchar i;
   uint  aa;
   uchar kk1,kk2;
   static uchar j;
   uint kk;
   uchar tdat[8]={1,2,3,4,5,6,8,7};
   uchar rdat[8];
   port_init();
   
   LCD1602_initial();
   LCD1602_gotoXY(1,1);
   LCD1602_sendbyte(iDat,'a');
    DDRE=0XFF;
 PORTE=0XFF;
   kk=86;
    while(1)
   {  
  // for(i=0;i<8;i++)
  //  {
  //    dat[i]=EEPROM_read(0x01+i);
   // }
    if(PINC!=0XFF)
      {
      delayms(20);
      if(PINC!=0XFF)
        {
         for(i=0;i<8;i++)
                 {  
           EEPROM_write_num(1000,tdat,8); 
        } 
       /* kk1=kk/10;
        kk2=kk%10;
                   EEPROM_write(4000,kk1);
       EEPROM_write(4005,kk2);*/
     }
   }
    if(PINF!=0XFF)
       {
       delayms(20);
    if(PINF!=0xff)
      {
        for(i=0;i<8;i++)
     {
        rdat[i]=EEPROM_read(1000+i);
     }
      for(i=0;i<8;i++)
     {
         LCD1602_sendbyte(iDat,rdat[i]+0x30);
     }
      /* dat[0]=EEPROM_read(4000);
       dat[1]=EEPROM_read(4005); 
    //dat[1]=dat[4]/10;
    //dat[2]=dat[4]%10;  
          LCD1602_sendbyte(iDat,dat[0]+0x30);
    LCD1602_sendbyte(iDat,dat[1]+0x30);
    LCD1602_sendbyte(iDat,dat[2]+0x30);
       delayms(1000);
    j++;*/
      }
    }
   } 
}