时钟.lst

单片机C语言15个实验附有原理图和程序 是我的课程作业 以经过实践验证

C51 COMPILER V7.50   时钟                                                                  12/10/2006 20:32:30 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 时钟
OBJECT MODULE PLACED IN 时钟.OBJ
COMPILER INVOKED BY: D:\Program Files\uv2\C51\BIN\C51.EXE 时钟.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //clock_alarm1.c
   2          #include <stdio.h>
   3          #include <reg51.h>
   4          #include <intrins.h>
   5          unsigned char code ledk[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   6          unsigned char key,key_0,key_flag,key_count;
   7          unsigned char mask=0xee,t0_count,set_no=0,led_no=0;
   8          unsigned char set_flag=0,al_set_flag=0,disp[4];
   9          unsigned char hour,min,sec,al_hour,al_min;
  10          sbit P37=P3^7;sbit clk=P0^7;sbit sda=P0^6;sbit P30=P3^0;
  11          #define hi 0x3c
  12          #define lo 0xb0
  13          #define hi1 0xff
  14          #define lo1 0x00
  15          void delay(unsigned int n)
  16           {unsigned int i,j;
  17   1        for(i=0;i<n;i++)
  18   1           for(j=0;j<n;j++)
  19   1             ;}
  20          void shift(dd)
  21          {static unsigned char d;
  22   1         unsigned char j=0;
  23   1          d=dd;
  24   1              while(j<8)
  25   1              {if((d&0x80)!=0) sda=1;
  26   2             else  sda=0;
  27   2                 clk=0;clk=1;
  28   2                 d<<=1;j++;}  }
  29          void clktodisp(unsigned char j,xx)
  30           {disp[j]=xx/10; j--; xx=xx%10; disp[j]=xx;}
  31          void out()
  32           {unsigned char dd;
  33   1        if(al_set_flag==0){dd=ledk[disp[led_no]];shift(dd);}
  34   1           else {dd=ledk[disp[led_no]]|0x80;shift(dd);}
  35   1        if(t0_count<=10 && led_no==2 ){dd=ledk[disp[2]]|0x80;shift(dd);}
  36   1        if(t0_count%4==0 && led_no==set_no && set_flag==1)shift(0);
  37   1        if(t0_count%4==0 && led_no==set_no && al_set_flag==1)shift(0);
  38   1         P2=mask;}
  39          void t0() interrupt 1 
  40           {TH0=hi;TL0=lo;t0_count++;key_count++;
  41   1         if(t0_count==20){sec++;t0_count=0;}
  42   1         if(sec>=60){sec=0;min++;} 
  43   1         if(min>=60){sec=0;min=0;hour++;}
  44   1         if(hour>=24){hour=0;min=0;sec=0;}  }
  45          void t1() interrupt 3
  46            {P30=!P30;TH1=hi1;TL1=lo1;}
  47          unsigned char get_char()
  48          {unsigned char key_code;
  49   1       static unsigned char column=0;
  50   1         if(P37==0 && key_flag==1){key_code=column;key_flag=0;key_count=0;}
  51   1             else key_code=0xff;
  52   1         column++;led_no++;if(column>3)column=0;if(led_no>3)led_no=0;
  53   1         mask=_crol_(mask,1);
  54   1         return key_code;}
  55          void disptoclk(void)
C51 COMPILER V7.50   时钟                                                                  12/10/2006 20:32:30 PAGE 2   

  56            {hour=disp[3]*10+disp[2];
  57   1         min=disp[1]*10+disp[0]; }
  58          void disptoal_clk(void)
  59            {al_hour=disp[3]*10+disp[2];
  60   1         al_min=disp[1]*10+disp[0]; }
  61          void key_func(key)
  62           {switch (key)
  63   1         {case 0:  set_no=0;key_0++;if(key_0>9)key_0=9; 
  64   2                   if(key_0<9){set_flag=1;al_set_flag=0;}
  65   2                      else{set_flag=0;al_set_flag=1;clktodisp(3,al_hour);clktodisp(1,al_min);}
  66   2                   break;
  67   2          case 1:  set_no++;if(set_no>3)set_no=0;break;
  68   2          case 2:  disp[set_no]++;
  69   2                   if(set_no==0 && disp[set_no]>9)disp[set_no]=0;
  70   2                   if(set_no==1 && disp[set_no]>5)disp[set_no]=0;
  71   2                   if(set_no==2 && disp[set_no]>9)disp[set_no]=0;
  72   2                   if(set_no==3 && disp[set_no]>2)disp[set_no]=0;
  73   2                   break;
  74   2          case 3:  key_0=0;
  75   2                   if(set_flag==1){set_flag=0;disptoclk();}
  76   2                   if(al_set_flag==1){al_set_flag=0;set_flag=0;disptoal_clk();}
  77   2                           break;
  78   2          default: break;               }  }
  79          void main(void)
  80           {TMOD=0x11;TH0=hi;TL0=lo;TH1=hi1;TL0=lo1;
  81   1          EA=1;ET0=1;ET1=1;TR0=1;al_min=min+1;al_hour=hour+1; P30=1; 
  82   1          while(1)
  83   1           {key=get_char( );key_func(key);out();delay(20);
  84   2           if(al_set_flag==0 && set_flag==0){clktodisp(3,hour);clktodisp(1,min);}
  85   2               if(key_flag==0 && key_count>=10 && P37==1)key_flag=1;
  86   2           if(hour==al_hour && min==al_min){if(t0_count<10)TR1=1;
  87   3                                                        else {TR1=0;P30=1;}} 
  88   2        }                
  89   1       }
  90          
  91          
  92          
  93          
  94          
  95          
  96          
  97          
  98          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    721    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     21       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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