traffic_light.lst

单片机设计的交通信号灯控制程序源代码

C51 COMPILER V8.02   TRAFFIC_LIGHT                                                         05/14/2009 15:06:57 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE TRAFFIC_LIGHT
OBJECT MODULE PLACED IN traffic_light.OBJ
COMPILER INVOKED BY: D:\Kile 51\C51\BIN\C51.EXE traffic_light.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include"max7221.h"
   3          
   4          #define uchar unsigned char
   5          
   6          sbit green=P2^3;
   7          sbit yellow=P2^4;
   8          sbit red=P2^5;
   9          
  10          uchar counter,flag,time_g,time_y,time_r;
  11          
  12          void init_timer0()
  13          {
  14   1              TMOD=0x01;
  15   1          TH0=(65536-50000)/256;
  16   1          TL0=(65536-50000)%256;
  17   1          EA=1;
  18   1          ET0=1;
  19   1          TR0=1;      
  20   1      }
  21          
  22          void init()
  23          {
  24   1          time_g=30;
  25   1          time_y=5;
  26   1          time_r=35;
  27   1          green=0;
  28   1          red=0;
  29   1          yellow=0;    
  30   1      }
  31          
  32          void main()
  33          {
  34   1              init_timer0();
  35   1          InitialMax7221();
  36   1          init();
  37   1          while(1);   
  38   1      }
  39          
  40          void timer0()interrupt  1
  41          {
  42   1              TH0=(65536-50000)/256;
  43   1          TL0=(65536-50000)%256;
  44   1          counter++;
  45   1          if(counter==20)
  46   1          {
  47   2              counter=0;
  48   2              switch(flag)
  49   2              {   
  50   3                case 0:
  51   3                          {   
  52   4                          red=0;
  53   4                                      green=1;
  54   4                                  WriteMax7221(1,time_g/10);
  55   4                                  WriteMax7221(2,time_g%10);
C51 COMPILER V8.02   TRAFFIC_LIGHT                                                         05/14/2009 15:06:57 PAGE 2   

  56   4                                  time_g--;
  57   4                                  if(time_g==0)
  58   4                                  {
  59   5                                      time_g=30;
  60   5                                      flag++;
  61   5                                  }
  62   4                          }
  63   3                      break;
  64   3               case 1:
  65   3                          {   
  66   4                          green=0;
  67   4                                      yellow=1;
  68   4                                  WriteMax7221(1,time_y/10);
  69   4                                  WriteMax7221(2,time_y%10);
  70   4                                  time_y--;
  71   4                                  if(time_y==0)
  72   4                                  {
  73   5                                      time_y=5;
  74   5                                      flag++;
  75   5                                  }
  76   4                          }
  77   3                      break;
  78   3                case 2:
  79   3                          {   
  80   4                          yellow=0;
  81   4                                      red=1;
  82   4                                  WriteMax7221(1,time_r/10);
  83   4                                  WriteMax7221(2,time_r%10);
  84   4                                  time_r--;
  85   4                                  if(time_r==0)
  86   4                                  {
  87   5                                      time_r=35;
  88   5                                      flag=0;
  89   5                                  }
  90   4                          }
  91   3                      break;
  92   3                 default :   break;
  93   3                     
  94   3              }               
  95   2          }   
  96   1      } 
  97          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    384    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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