s51yk.lst

RZ-51V20 实例程序

C51 COMPILER V8.02   S51YK                                                                 07/24/2009 22:56:05 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE S51YK
OBJECT MODULE PLACED IN s51yk.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE s51yk.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1                #include <reg51.h>
   2                #define c(x) (x*110592/120000) 
   3                sbit Ir_Pin=P3^2;
   4                    sbit beep=P3^6;
   5                unsigned char code Led_Tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
   6                        0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xbf};                        //共阳极数码显示码0-F.
   7                unsigned char code Led_Sel[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
   8                unsigned char Led_Buf[7]; //显示缓冲区
   9                char Led_Index;                   //位选         
  10                unsigned char Ir_Buf[4]; //用于保存解码结果
  11                           void delay_50ms(unsigned int t)
  12          {
  13   1       unsigned int j;   
  14   1       for(;t>0;t--) 
  15   1        for(j=6245;j>0;j--) 
  16   1      {;}
  17   1      }
  18          
  19                //==============================================================
  20                //数码管扫描
  21                timer0() interrupt 1 using 1
  22                {
  23   1            TL0=65536-1000;
  24   1            TH0=(65536-1000)/256; //定时器0设定约1000us中断一次，用于数码管扫描
  25   1            P0=0xff;
  26   1            P2=Led_Sel[Led_Index];                            //位选
  27   1            P0=Led_Tab[Led_Buf[Led_Index]];                    //段选
  28   1            if(++Led_Index>7) Led_Index=0;                    //八个扫描完了,到第一个数码管
  29   1      
  30   1            }
  31                //==============================================================
  32                unsigned int Ir_Get_Low()
  33                {
  34   1            TL1=0;
  35   1            TH1=0;
  36   1            TR1=1;
  37   1            while(!Ir_Pin && (TH1&0x80)==0);                
  38   1            TR1=0;           
  39   1            return TH1*256+TL1;
  40   1            }
  41                //=============================================================
  42                unsigned int Ir_Get_High()
  43                {
  44   1            TL1=0;
  45   1            TH1=0;
  46   1            TR1=1;
  47   1            while(Ir_Pin && (TH1&0x80)==0);
  48   1            TR1=0;
  49   1            return TH1*256+TL1;
  50   1            }
  51                //==============================================================
  52                main()
  53                {
  54   1            unsigned int temp;
  55   1            char i,j;
C51 COMPILER V8.02   S51YK                                                                 07/24/2009 22:56:05 PAGE 2   

  56   1            Led_Index=0;
  57   1            TMOD=0x11;
  58   1            TL0=65536-1000;
  59   1            TH0=(65536-1000)/256; //定时器0设定约1000us中断一次，用于数码管扫描
  60   1            EA=1;
  61   1            ET0=1;
  62   1            TR0=1;
  63   1      
  64   1            //Led_Buf[0]=0;
  65   1            //Led_Buf[1]=0;
  66   1            //Led_Buf[2]=0;
  67   1            //Led_Buf[3]=0; //显示区设成0
  68   1               // Led_Buf[4]=0;
  69   1            //Led_Buf[5]=0;
  70   1            //Led_Buf[6]=0;
  71   1            //Led_Buf[7]=0; //显示区设成0
  72   1            do{
  73   2            restart:
  74   2            while(Ir_Pin);
  75   2            temp=Ir_Get_Low();
  76   2            if(temp<c(8500) || temp>c(9500)) continue;//引导脉冲低电平9000
  77   2            temp=Ir_Get_High();
  78   2            if(temp<c(4000) || temp>c(5000)) continue;//引导脉冲高电平4500
  79   2            for(i=0;i<4;i++) //4个字节
  80   2            for(j=0;j<8;j++) //每个字节8位
  81   2            {
  82   3            temp=Ir_Get_Low();
  83   3            if(temp<c(200) || temp>c(800)) goto restart;
  84   3            temp=Ir_Get_High();
  85   3            if(temp<c(200) || temp>c(2000)) goto restart;
  86   3            Ir_Buf[i]>>=1;
  87   3            if(temp>c(1120)) Ir_Buf[i]|=0x80;
  88   3            }
  89   2                Led_Buf[0]=(Ir_Buf[0]/16)&0xf;//显示结果
  90   2            Led_Buf[1]=Ir_Buf[0]&0xf;    //显示结果
  91   2            Led_Buf[2]=(Ir_Buf[1]/16)&0xf; //显示结果
  92   2            Led_Buf[3]=Ir_Buf[1]&0xf;          //显示结果
  93   2            Led_Buf[4]=(Ir_Buf[2]/16)&0xf; //显示结果
  94   2                Led_Buf[5]=Ir_Buf[2]&0xf;              //显示结果
  95   2            Led_Buf[6]=(Ir_Buf[3]/16)&0xf; //显示结果
  96   2            Led_Buf[7]=Ir_Buf[3]&0xf;          //显示结果
  97   2               beep=0;
  98   2               delay_50ms(2);
  99   2                 beep=1;
 100   2            }
 101   1                while(1);
 102   1         
 103   1            }
 104                   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    507    ----
   CONSTANT SIZE    =     25    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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