dianhuahma.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 V7.50   DIANHUAHMA                                                            07/21/2006 20:11:04 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE DIANHUAHMA
OBJECT MODULE PLACED IN dianhuahma.OBJ
COMPILER INVOKED BY: D:\C51\BIN\C51.EXE dianhuahma.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[20]={0xff,0x11,
   6          0xd3,0xd3,0x92,0xfe,0x32,0xd7,0xd4,
   7          0x32,0x32,0x18,0x32,0xff,0xff,0xff,
   8          0xff,0xff,0xff,0xff};
   9          
  10          void delay(int t)
  11          {
  12   1      int k;
  13   1      for(;t>0;t--)
  14   1      for(k=0;k<300;k++);
  15   1      }
  16          
  17          shift(int k)
  18          {
  19   1      int n,led1=led[k];
  20   1      for(n=0;n<8;n++)
  21   1      {
  22   2      scl=0;
  23   2      if(led1&0x80)sda=1;
  24   2      else sda=0;
  25   2      scl=1;
  26   2      scl=0;
  27   2      sda==0;
*** WARNING C275 IN LINE 27 OF DIANHUAHMA.C: expression with possibly no effect
  28   2      led1=led1<<1;
  29   2      }
  30   1      }
  31          
  32          void main()
  33          {
  34   1      int j;
  35   1      delay(100);
  36   1      b=0;
  37   1      for(j=0;j<20;j++)
  38   1      {
  39   2      shift(b);
  40   2      delay(400);
  41   2      b=b+1;
  42   2      }
  43   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    143    ----
   CONSTANT SIZE    =     40    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V7.50   DIANHUAHMA                                                            07/21/2006 20:11:04 PAGE 2   


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