main.lst

CT107D测试程序(含超声测距)

C51 COMPILER V9.02   MAIN                                                                  01/01/2006 04:05:43 PAGE 1   


C51 COMPILER V9.02, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN .\output\main.obj
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND PRINT(.\list\main.lst) OBJECT(.\output\mai
                    -n.obj)

line level    source

   1          #include "reg52.h"
   2          #include "24c02.h"
   3          
   4          unsigned char dspflag;
   5          unsigned char cnt;
   6          unsigned char tflag;
   7          unsigned char code dsp_code_ca[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
   8          
   9          void display(unsigned char d);
  10          void init_t0(void);
  11          
  12          void main()
  13          {
  14   1        //wrbyte_24c02(0x00,0x00);
  15   1        cnt = rdbyte_24c02(0x00);
  16   1        wrbyte_24c02(0x00,cnt+1);
  17   1        
  18   1        init_t0();    
  19   1        while(1)
  20   1        {
  21   2          display(cnt);
  22   2        }     
  23   1      }
  24          
  25          void isr_t0(void) interrupt 1
  26          {
  27   1        tflag++;
  28   1        if(tflag == 16)
  29   1        {
  30   2              tflag = 0;
  31   2              dspflag ++;
  32   2              if(dspflag == 3)
  33   2                dspflag = 0;
  34   2        }
  35   1      }
  36          
  37          void init_t0(void)
  38          {       
  39   1        TMOD = 0x02;
  40   1        TH0 = 0x06;
  41   1        TL0 = 0x06;
  42   1        ET0 = 1;
  43   1        EA = 1;
  44   1        TR0 = 1;
  45   1      }
  46          void display(unsigned char d)
  47          {
  48   1        if((dspflag == 0)&&(d>99))
  49   1        {
  50   2          P0 = 0xFF;
  51   2              P2 |= 0xE0;
  52   2              P2 &= 0x1F;
  53   2      
  54   2              P0 = dsp_code_ca[d/100];
C51 COMPILER V9.02   MAIN                                                                  01/01/2006 04:05:43 PAGE 2   

  55   2              P2 |= 0xE0;
  56   2              P2 &= 0x1F;
  57   2              P0 = 0x20;
  58   2              P2 |= 0xC0;
  59   2              P2 &= 0x3F;
  60   2        }
  61   1        if((dspflag == 1)&&(d>9))
  62   1        {
  63   2              P0 = 0xFF;
  64   2          P2 |= 0xE0;
  65   2          P2 &= 0x1F;
  66   2      
  67   2              P0 = dsp_code_ca[d%100/10];
  68   2          P2 |= 0xE0;
  69   2          P2 &= 0x1F;
  70   2          P0 = 0x40;
  71   2          P2 |= 0xC0;
  72   2          P2 &= 0x3F;
  73   2        } 
  74   1        if(dspflag == 2)
  75   1        {
  76   2          P0 = 0xFF;
  77   2              P2 |= 0xE0;
  78   2          P2 &= 0x1F;
  79   2      
  80   2              P0 = dsp_code_ca[d%100%10]; 
  81   2          P2 |= 0xE0;
  82   2          P2 &= 0x1F;
  83   2          P0 = 0x80;
  84   2          P2 |= 0xC0;
  85   2          P2 &= 0x3F;
  86   2        }  
  87   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    219    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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