mian.lst

此程序实现IIC通信

C51 COMPILER V8.02   MIAN                                                                  04/21/2007 15:51:38 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE MIAN
OBJECT MODULE PLACED IN mian.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE mian.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          
   3          
   4          sbit    led0   = P0 ^ 0;
   5          sbit    led1   = P0 ^ 1;
   6          sbit    led2   = P0 ^ 2;
   7          sbit    led3   = P0 ^ 3;
   8          
   9          extern void readbyteseq(unsigned char page_addr, unsigned char byte_address,unsigned char *ptr,unsigned ch
             -ar readlen);
  10          extern void writebyteseq(unsigned char page_addr, unsigned char byte_address,unsigned char *ptr,unsigned c
             -har writelen);
  11          
  12          void dellay(unsigned int  h)
  13          {
  14   1        while(h--);      //0.01MS
  15   1      }
  16           main()
  17          { 
  18   1       unsigned char  aa[10]={1,2,3,4,5,6,7,8,9,0};
  19   1       unsigned char  bb[10]={0,0,0,0,0,0,0,0,0,0};
  20   1       
  21   1       while(1)
  22   1       {led0=0;led1=1;led2=1;led3=1;
  23   2       dellay(50000);
  24   2       dellay(50000);    //延时约1S
  25   2       writebyteseq(0,0,aa,10);
  26   2       dellay(300);      //短暂延时，等待写存储器完成
  27   2       readbyteseq(0,0,bb,10);
  28   2       dellay(300);     //短暂延时，等待读存储器完成
  29   2       if((bb[0]==aa[0])&&(bb[5]==aa[5]))     //比较读入和写出数据是否一致
  30   2       { led0=1;      led1=0;led2=0;led3=0;
  31   3         bb[0]=0;       //清除读出数据，准备一次读数
  32   3         bb[5]=0;
  33   3       }
  34   2       dellay(50000);
  35   2       dellay(50000);
  36   2      }
  37   1      
  38   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    143    ----
   CONSTANT SIZE    =     20    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      20
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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