i love you.lst

本文件包含了使用C语言编写单片机的各种入门程序

C51 COMPILER V8.02   I_LOVE_YOU                                                            07/13/2008 21:28:58 PAGE 1   


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

line level    source

   1          #include<reg51.h>
   2          sbit sda=P0^2;
   3          sbit scl=P0^3;
   4          unsigned int b;
   5          code unsigned int led[16]={
   6          0xff,0x7d,0xff,0x3d,0x11,0x15,0x38,0xff,0x15,
   7          0xff,0xff,0xff,0xff,0xff,0xff,0xff};
   8          
   9          void delay(int t)
  10          {
  11   1      int k;
  12   1      for(;t>0;t--)
  13   1      for(k=0;k<300;k++);
  14   1      }
  15          
  16          shift(int k)
  17          {
  18   1      int n,led1=led[k];
  19   1      for(n=0;n<8;n++)
  20   1      {
  21   2      scl=0;
  22   2      if(led1&0x80)sda=1;
  23   2      else sda=0;
  24   2      scl=1;
  25   2      scl=0;
  26   2      sda==0;
*** WARNING C275 IN LINE 26 OF I LOVE YOU.C: expression with possibly no effect
  27   2      led1=led1<<1;
  28   2      }
  29   1      }
  30          
  31          void main()
  32          {
  33   1      int j;
  34   1      delay(100);
  35   1      b=0;
  36   1      for(j=0;j<16;j++)
  37   1      {
  38   2      shift(b);
  39   2      delay(400);
  40   2      b=b+1;
  41   2      }
  42   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    143    ----
   CONSTANT SIZE    =     32    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)