main.lst

MCS51 C语言操作AT24Cxx的函数。采用头文件加c文件的形式。可对AT24Cxx系列的EEPROM进行单字节和多字节的读写操作。可作底层库函数使用。在EEPROM.c文件修改编译设置

C51 COMPILER V7.50   MAIN                                                                  05/26/2009 15:22:14 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c ROM(SMALL) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************************************************
   2          Project :       AT24Cxx
   3          File Name:      main.c
   4          Decription:     at24Cxx 头文件测试。
   5          包含文件:       eeprom.h, eeprom.c, delay.h, delay.c
   6          Author:         Jemmydeng
   7          Date:           May 26th 2009
   8          email:          [e-mail]
   9          ********************************************************************************************/
  10          #include <reg51.h>
  11          #include "eeprom.h"
  12          #include "delay.h"
  13          
  14          //==========================================
  15          
  16          #define uchar unsigned char
  17          #define uint  unsigned int
  18          
  19          /*
  20          sbit SCL=P1^0;          在eeprom.c 中配置所用的引脚
  21          sbit SDA=P1^1;
  22          */
  23          //==========================================
  24          
  25          main(void)
  26          {   
  27   1              uchar d[5]={0xf0,0x0f,0x33,0xcc,0xaa};
  28   1              unsigned char data_buf[4]={0,0,0,0};
  29   1              unsigned char page,address_h,address_l,udata;
  30   1              unsigned char start_address_h,start_address_l,number;
  31   1      
  32   1              //****************************************************************************************
  33   1              //操作一个字节
  34   1              page = 0;                                       //当前eeprom.c 中 _PAGES_和_16_BITS_ADDRESS_  设置为24c02, 可在eeprom.c中修改成其它配置
  35   1              address_h = 0;
  36   1              address_l = 0x10;
  37   1              udata = 0x55;
  38   1              WR_BYTE(page,address_h,address_l,udata);        //24c02 只有1页，只有8位地址，故page and address_h都无作用，为任
             -意值。
  39   1                                                                                                      //但若使用的是24c16, 24c32, 24c64 等，则要用到这些参数。具体配置方法参照eeprom.h and eeprom.c
  40   1              delay_ms(1);
  41   1      
  42   1              udata = RD_BYTE(page,address_h,address_l);
  43   1      
  44   1              //*****************************************************************************************
  45   1              //操作多个字节
  46   1      
  47   1              page = 0;                                       //当前eeprom.c 中 _PAGES_和_16_BITS_ADDRESS_  设置为24c02, 可在eeprom.c中修改成其它配置
  48   1              start_address_h = 0;
  49   1              start_address_l = 0x20;
  50   1              number = 4;
  51   1              WR_BYTES(page,start_address_h,start_address_l,number,d);//将数组d的前3个数写入0x20,0x21,0x22
  52   1      
  53   1              delay_ms(1);
  54   1      
C51 COMPILER V7.50   MAIN                                                                  05/26/2009 15:22:14 PAGE 2   

  55   1              page = 0;
  56   1              start_address_h = 0;
  57   1              start_address_l = 0x20;
  58   1              number = 4;
  59   1              WR_BYTES(page,start_address_h,start_address_l,number,data_buf);
  60   1      
  61   1              //******************************************************************************************
  62   1      
  63   1              while(1)
  64   1              {
  65   2                 ;
  66   2              }
  67   1      
  68   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    121    ----
   CONSTANT SIZE    =      9    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      12
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)