test.lst

单片机89s52与E2pro通信源码数据保存10年

C51 COMPILER V6.12  TEST                                                                   11/25/2008 01:48:29 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE TEST
OBJECT MODULE PLACED IN .\test.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\test.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg52.h>
   2          #define uchar unsigned char
   3          sbit sda=P3^7;
   4          sbit scl=P3^6;
   5          void delay()
   6          { ; ;}
   7          void init()
   8          {
   9   1      	sda=1;
  10   1      	scl=1;
  11   1      }
  12          void start()
  13          {
  14   1      	sda=1;
  15   1      	delay();
  16   1      	scl=1;
  17   1      	delay();
  18   1      	sda=0;
  19   1      	delay();
  20   1      }
  21          void stop()
  22          {
  23   1      	sda=0;
  24   1      	delay();	
  25   1      	scl=1;
  26   1      	delay();	
  27   1      	sda=1;
  28   1      	delay();	
  29   1      }
  30          void write_byte(uchar x)
  31          {
  32   1      	uchar i,temp;
  33   1      	temp=x;
  34   1      	for(i=0;i<8;i++)
  35   1      	{
  36   2      		temp=temp<<1;
  37   2      		scl=0;
  38   2      		delay();
  39   2      		sda=CY;
  40   2      		delay();
  41   2      		scl=1;
  42   2      		delay();
  43   2      	}
  44   1      	scl=0;
  45   1      	delay();
  46   1      	sda=1;
  47   1      	delay();
  48   1      	scl=1;
  49   1      	delay();
  50   1      	while((sda==1)&&(i<250))i++;//当两个为真才为真
  51   1      	scl=0;
  52   1      	delay();
  53   1      }
  54          void delay1(uchar x)
  55          {
C51 COMPILER V6.12  TEST                                                                   11/25/2008 01:48:29 PAGE 2   

  56   1      	uchar a,b;
  57   1      	for(a=x;a>0;a--)
  58   1      	 for(b=100;b>0;b--);
  59   1      }
  60          uchar read_byte(uchar address)
  61          {
  62   1      	uchar i,k;
  63   1      	write_byte(0xa0);
  64   1      	write_byte(address);
  65   1      	start();
  66   1      	write_byte(0xa1);
  67   1      	sda=1;
  68   1      	delay();
  69   1      	for(i=0;i<8;i++)
  70   1      	{
  71   2      		scl=1;
  72   2      		delay();	
  73   2      		k=(k<<1)|sda;
  74   2      		scl=0;
  75   2      		delay();
  76   2      	}
  77   1      	return k;
  78   1      }
  79          void main()
  80          {
  81   1      	init();
  82   1      	P1=0;
  83   1      	start();
  84   1      	write_byte(0xa0);
  85   1      	write_byte(3);
  86   1      	write_byte(0x01);
  87   1      	stop();
  88   1      	delay1(100);
  89   1      	start();
  90   1      	P0=read_byte(3);
  91   1      	while(1);
  92   1      }
  93          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    188    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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