led.lst

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C51 COMPILER V7.02a   LED                                                                  07/12/2004 21:19:42 PAGE 1   


C51 COMPILER V7.02a, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN LED.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LED.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /***************************************************************
   2          功能:实现数码管的显示及蜂鸣器的控制
   3          作者:SG
   4          时间:2004-03-15
   5          版本:V1.0
   6          ***************************************************************/
   7          #include "reg52.h"
   8          sbit led1       = 0x90;                                         //对应CPU管脚P1.0
   9          sbit led2       = 0x91;                     //对应CPU管脚P1.1
  10          sbit led3       = 0x92;                     //对应CPU管脚P1.2
  11          sbit led4       = 0x93;                     //对应CPU管脚P1.3
  12          
  13          sbit _Speak = 0xb2;                     //对应CPU管脚P3.2
  14          
  15          /*------------------------------------------------
  16          功能:对应0--F显示码.
  17          -------------------------------------------------*/
  18          unsigned char code Led_Show[]={0x50,0xf5,0x68,0x4a,0x47,0xc2,0xc0,0x5b,0x40,0x42,0x41,0xc4,0xf0,0x4c,0xe0,
             -0xe1,0xff};
  19          
  20          
  21          /*-------------------------------------------------
  22          功能100uS延时子程序
  23          -------------------------------------------------*/
  24          void Delay_xuS(unsigned int x)
  25          {
  26   1          unsigned int i,j;
  27   1          for( i =0;i < x;i++ )
  28   1          {
  29   2              for( j =0;j<50;j++ );
  30   2          }
  31   1      }
  32          
  33          /*--------------------------------------------------
  34          功能:发音子程序每调用一次响一下
  35          ---------------------------------------------------*/
  36          void Song()
  37          {
  38   1              unsigned char i;
  39   1              for( i = 0;i < 20;i++)   //i可以调节发音的响度
  40   1              {
  41   2                      _Speak = 0;
  42   2                      Delay_xuS(1);
  43   2                      _Speak = 1;
  44   2                      Delay_xuS(1);
  45   2              }
  46   1      }
  47          
  48          /*-------------------------------------------------
  49          功能:1MS延时子程序
  50          -------------------------------------------------*/
  51          void Delay_xMs(unsigned int x)
  52          {
  53   1          unsigned int i,j;
  54   1          for( i =0;i < x;i++ )
C51 COMPILER V7.02a   LED                                                                  07/12/2004 21:19:42 PAGE 2   

  55   1          {
  56   2              for( j =0;j<500;j++ );
  57   2          }
  58   1      }
  59          
  60          /*-------------------------------------------------
  61          功能:数码管显示子程序
  62          -------------------------------------------------*/
  63          void LED_SHOW1(unsigned char  *temp )
  64          {
  65   1          led1=0; led2=1; led3=1; led4=1;
  66   1          P0 = Led_Show[temp[0]];
  67   1          Delay_xuS(5);
  68   1          led1=1; led2=0; led3=1; led4=1;
  69   1          P0 = Led_Show[temp[1]];
  70   1              Delay_xuS(5);
  71   1          led1=1; led2=1; led3=0; led4=1;
  72   1          P0 = Led_Show[temp[2]];
  73   1          Delay_xuS(5);
  74   1          led1=1; led2=1; led3=1; led4=0;
  75   1          P0 = Led_Show[temp[3]];     
  76   1          Delay_xuS(5);
  77   1      }
  78          
  79          /*-------------------------------------------------
  80          主程序
  81          功能:在数码管上依次显示数字0--F,并伴有蜂鸣声
  82          -------------------------------------------------*/
  83          void main()
  84          {
  85   1              unsigned char temp[4]={2,0,0,4};
  86   1              unsigned int i;
  87   1              while(1)
  88   1              {
  89   2                      LED_SHOW1(temp);
  90   2                      if(i++ > 300 )
  91   2                      {
  92   3                              if (temp[3]++ > 9)
  93   3                                      temp[3]=4;
  94   3                              i = 0;
  95   3                              Song();
  96   3                              Song();
  97   3                      }
  98   2              }
  99   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    264    ----
   CONSTANT SIZE    =     21    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       9
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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