main.lst

CT107D测试程序(含超声测距)

C51 COMPILER V9.02   MAIN                                                                  01/01/2006 06:24:16 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 "pcf8591.h"
   3          
   4          void init_t0(void);
   5          void init_pcf8591(void);
   6          void display(unsigned char d);
   7          
   8          bit adcflag = 0;
   9          unsigned char dspflag;
  10          unsigned char tflag1;
  11          unsigned char tflag2;
  12          unsigned char code dsp_code_ca[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
  13          
  14          void main(void)
  15          {
  16   1        unsigned char adcvalue;
  17   1              
  18   1        init_pcf8591();
  19   1        init_t0();
  20   1        while(1)
  21   1        {
  22   2              display(adcvalue);
  23   2              if(adcflag == 1)
  24   2              {
  25   3                adcvalue = adc_pcf8591();
  26   3                adcflag = 0;
  27   3              }                       
  28   2        }
  29   1      }
  30          
  31          void isr_t0(void) interrupt 1
  32          {
  33   1        tflag1++;
  34   1        tflag2++;
  35   1        if(tflag1 == 16)  //4ms
  36   1        {
  37   2              tflag1 = 0;
  38   2              dspflag++;
  39   2              if(dspflag == 3)
  40   2                dspflag = 0;
  41   2        }
  42   1        if(tflag2 == 80) //20ms
  43   1        {
  44   2              tflag2 = 0;
  45   2              adcflag = 1;
  46   2        }
  47   1      }
  48          
  49          void init_t0(void)
  50          {       
  51   1        TMOD = 0x02;
  52   1        TH0 = 0x06;
  53   1        TL0 = 0x06;
  54   1        ET0 = 1;
C51 COMPILER V9.02   MAIN                                                                  01/01/2006 06:24:16 PAGE 2   

  55   1        EA = 1;
  56   1        TR0 = 1;
  57   1      }
  58          
  59          void init_pcf8591(void)
  60          {
  61   1        iic_start();
  62   1        iic_sendbyte(0x90);
  63   1        iic_waitack();
  64   1        iic_sendbyte(CHANNEL_3);
  65   1        iic_waitack();
  66   1        iic_stop();
  67   1        delay(10);
  68   1      }
  69          
  70          void display(unsigned char d)
  71          {
  72   1        if((dspflag == 0)&&(d>99))
  73   1        {
  74   2          P0 = 0xFF;
  75   2              P2 |= 0xE0;
  76   2              P2 &= 0x1F;
  77   2      
  78   2              P0 = dsp_code_ca[d/100];
  79   2              P2 |= 0xE0;
  80   2              P2 &= 0x1F;
  81   2              P0 = 0x20;
  82   2              P2 |= 0xC0;
  83   2              P2 &= 0x3F;
  84   2        }
  85   1        if((dspflag == 1)&&(d>9))
  86   1        {
  87   2              P0 = 0xFF;
  88   2          P2 |= 0xE0;
  89   2          P2 &= 0x1F;
  90   2      
  91   2              P0 = dsp_code_ca[d%100/10];
  92   2          P2 |= 0xE0;
  93   2          P2 &= 0x1F;
  94   2          P0 = 0x40;
  95   2          P2 |= 0xC0;
  96   2          P2 &= 0x3F;
  97   2        } 
  98   1        if(dspflag == 2)
  99   1        {
 100   2          P0 = 0xFF;
 101   2              P2 |= 0xE0;
 102   2          P2 &= 0x1F;
 103   2      
 104   2              P0 = dsp_code_ca[d%100%10]; 
 105   2          P2 |= 0xE0;
 106   2          P2 &= 0x1F;
 107   2          P0 = 0x80;
 108   2          P2 |= 0xC0;
 109   2          P2 &= 0x3F;
 110   2        }  
 111   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    255    ----
   CONSTANT SIZE    =     10    ----
C51 COMPILER V9.02   MAIN                                                                  01/01/2006 06:24:16 PAGE 3   

   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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