main.lst

毕设时做的CAN总线通讯电路板原理图

C51 COMPILER V7.50   MAIN                                                                  10/28/2007 17:30:47 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          
   3          sbit out_dat =  P1^1;
   4          sbit out_clk =  P1^2;
   5          sbit out_oe      =      P1^3;
   6          sbit out_stb =  P1^4;
   7          
   8          unsigned char code table[3][3]={
   9          {0x92,0x49,0x24},
  10          {0x49,0x24,0x92},
  11          {0x24,0x92,0x49}};
  12          
  13          
  14          void init_port(void)
  15          {
  16   1              out_clk=0;
  17   1              out_dat=0;
  18   1              out_oe=0;
  19   1              out_stb=0;
  20   1      }
  21          
  22          void delay_ms(unsigned char val)
  23          {
  24   1              unsigned int i;
  25   1              
  26   1              while(--val)
  27   1              {
  28   2                      i=1000;
  29   2                      while(--i);
  30   2              }
  31   1              
  32   1      }
  33          
  34          void send_byte(unsigned char dat)
  35          {
  36   1              unsigned char i;
  37   1              
  38   1              for(i=0;i<8;i++)
  39   1              {
  40   2                      if(dat & 0x80)
  41   2                      out_dat=1;
  42   2                      else
  43   2                      out_dat=0;
  44   2                      out_clk=1;
  45   2                      out_clk=0;
  46   2                      dat<<=1;
  47   2              }
  48   1      }
  49          
  50          void send_data(unsigned char *dat,unsigned char len)
  51          {
  52   1              unsigned char i;
  53   1              
  54   1      //      out_stb=0;
  55   1              for(i=0;i<len;i++)
C51 COMPILER V7.50   MAIN                                                                  10/28/2007 17:30:47 PAGE 2   

  56   1              {
  57   2                      send_byte(dat[i]);
  58   2              }
  59   1      //      out_stb=1;
  60   1      //      out_stb=0;
  61   1      }
  62          
  63          void main(void)
  64          {
  65   1              unsigned char i,j,k;
  66   1      
  67   1              init_port();
  68   1              delay_ms(200);
  69   1      
  70   1              while(1)
  71   1              {
  72   2                      for(i=0;i<3;i++)
  73   2                      {
  74   3                              out_stb=0;
  75   3                              for(j=0;j<32;j++)
  76   3                              {
  77   4                                      for(k=0;k<3;k++)
  78   4                                      {
  79   5                                              send_data((unsigned char *)(&table[i][k]),0x03);
  80   5                                      }
  81   4                              }
  82   3                              out_stb=1;
  83   3                              out_stb=0;
  84   3                              delay_ms(200);
  85   3                              delay_ms(200);
  86   3                      }
  87   2              }
  88   1      }
  89          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    179    ----
   CONSTANT SIZE    =      9    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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