测宽度.lst

51定时器常用例子包括测频率测脉宽产生波形

C51 COMPILER V7.50   测宽度                                                                08/31/2008 08:47:46 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 测宽度
OBJECT MODULE PLACED IN 测宽度.OBJ
COMPILER INVOKED BY: e:\program files\keil\C51\BIN\C51.EXE 测宽度.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1                  #include"regx52.h"
   2                  #define uchar unsigned char
   3                  #define uint  unsigned int
   4                  sbit m=P1^0;
   5              sbit key=P3^4;
   6                  uchar code  tv[]={0xfe,0xfd,0xfb,0xf7};
   7                  uchar code  a[]={0x3f,0x06,0x5b,0x4f,
   8                               0x66,0x6d,0x7d,0x07,0x7f,
   9                               0x6f,0x77,0x7c};
  10                  uchar data  led[4];
  11                  uchar data  tvdata;
  12          
  13                  
  14                  void delay(void)
  15                 {
  16   1              uint i;
  17   1              for(i=0;i<100;i++);
  18   1             }
  19          
  20          
  21                ledxianshi()
  22                  {
  23   1                uchar k,i;
  24   1                led[0]=tvdata/100;
  25   1                led[1]=tvdata%100/10;
  26   1                led[2]=tvdata%10;
  27   1                led[3]=10;
  28   1                      
  29   1                      for(k=0;k<4;k++)
  30   1                       { 
  31   2                         i=led[k];
  32   2                         P0=a[i];
  33   2                         P2=tv[k];
  34   2                         delay();
  35   2                       }
  36   1               } 
  37          
  38                  void main()
  39                   {  TMOD=0X09;
  40   1                      TH0=0; 
  41   1                  TL0=0;
  42   1                  
  43   1                   while(1)
  44   1                   {while(P3_2==1);
  45   2                    TR0=1;
  46   2                    while(P3_2==0);
  47   2                    while(P3_2==1);
  48   2                    TR0=0;
  49   2                    tvdata=TL0;
  50   2                    TH0=0;
  51   2                    TL0=0;
  52   2                    ledxianshi();
  53   2                   }
  54   1               }
  55          
C51 COMPILER V7.50   测宽度                                                                08/31/2008 08:47:46 PAGE 2   



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    112    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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