led1,1s取反,led2计数10次取反 




  1 //利用定时器0 1s，led1取反,利用计数器1,跳10,取反
  2 #include<reg52.h>
  3 #define uchar unsigned char
  4 #define uint unsigned int
  5 sbit du=P2^6;
  6 sbit we=P2^7;
  7 sbit led1=P1^0;
  8 sbit led2=P1^7;
  9 uchar count0;
 10 void delay(uint x)
 11 {
 12   uchar i;
 13   while(x--)
 14   {
 15     for(i=0;i<120;i++);
 16   }
 17 }
 18   unsigned char leddata[]={
 19 
 20 0x3F, //"0"
 21 0x06, //"1"
 22 0x5B, //"2"
 23 0x4F, //"3"
 24 0x66, //"4"
 25 0x6D, //"5"
 26 0x7D, //"6"
 27 0x07, //"7"
 28 0x7F, //"8"
 29 0x6F, //"9"
 30 0x77, //"A"
 31 0x7C, //"B"
 32 0x39, //"C"
 33 0x5E, //"D"
 34 0x79, //"E"
 35 0x71, //"F"
 36 0x76, //"H"
 37 0x38, //"L"
 38 0x37, //"n"
 39 0x3E, //"u"
 40 0x73, //"P"
 41 0x5C, //"o"
 42 0x40, //"-"
 43 0x00, //??
 44 0x00 //???
 45 
 46 };
 47 void display(unsigned char i)
 48 {
 49 unsigned char shi,ge;
 50 shi=i/10;
 51 ge=i%10;
 52 we=1;
 53 P0=0xfe;
 54 we=0;
 55 
 56 du=1;
 57 P0=leddata[shi];
 58 du=0;
 59 delay(5);
 60 
 61 we=1;
 62 P0=0xfd;
 63 we=0;
 64 
 65 du=1;
 66 P0=leddata[ge];
 67 du=0;
 68 delay(5);
 69 
 70 }
 71 void init()
 72 {
 73  TMOD = 0x61; //定时器1 0
 74  TR0=1;
 75  TH0=0x4b;
 76  TL0=0xfd;     //50ms
 77  TR1=1;
 78  TH1=10;
 79  TL1=0;
 80 }
 81  void timer0()
 82  {
 83    if(TF0==1)
 84    {
 85    TH0=0x4b;
 86    TL0=0xfd;     //50ms
 87    count0++;
 88    if(count0==20)
 89    {
 90     count0=0;
 91     led1=~led1;
 92 
 93    } 
 94    } 
 95  
 96  }
 97 
 98  void timer1()
 99  {
100    
101    if(TL1==10)
102    {  
           TL1=0;
103        led2=~led2;
105     }
106    } 
107     
108 
109 void main()
110 {
111  
112   init();
113   while(1)
114   {
115      timer0();
116      timer1();
117       display(TL1);
118  }
119 
120 }

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posted @ 2018-03-24 20:04  Justice-V  阅读(754)  评论(0)  编辑  收藏  举报