stc51单片机 点阵与流水灯结合

#include

 

sbit ADDR0 = P1^0;

sbit ADDR1 = P1^1;

sbit ADDR2 = P1^2;

sbit ADDR3 = P1^3;

sbit ENLED = P1^4;

 

unsigned char LedChar[]={

              0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,

     0x80,0x90};

 

unsigned char c[6]={

              0xC0,0xC0,0xC0,0xC0,0xC0,0xC0};

 

unsigned char LedBuff[5][8]={ {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,},

                            {0xC3,0xE7,0xE7,0xE7,0xE7,0xE7,0xC3,0xFF,},

                          // 0xFF,0xE7,0xC3,0x81,0x00,0x00,0x00,0x99,*//*

          {0x99,0x00,0x00,0x00,0x81,0xC3,0xE7,0xFF,}, //向上移动

            //0xFF,0xC3,0x81,0x99,0x99,0x99,0x99,0x99,/*

          {0x99,0x99,0x99,0x99,0x99,0x81,0xC3,0xFF,},

             {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}};

 

unsigned char a[8]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};

unsigned char b[1]={0xFE};

unsigned int flag1s = 0;

 

unsigned int wc = 0;

unsigned int j = 0;

 

 

void main(){

  unsigned long sec = 0;

     ENLED = 0;

  TMOD = 0x01;

  TH0 = 0xFC;

  TL0 = 0x67;

  TR0 = 1; //打开定时器

  EA = 1; //打开中断器

  ET0 = 1; 

 

  while(1){

 

  if(flag1s == 1){//一秒执行一次。

  flag1s = 0;

  sec++;

  c[0] = LedChar[sec%10];

  c[1] = LedChar[sec/10%10];

  c[2] = LedChar[sec/100%10];

  c[3] = LedChar[sec/1000%10];

  c[4] = LedChar[sec/10000%10];

  c[5] = LedChar[sec/100000%10];

  b[0] = a[wc];

  wc++;

  }

  if(wc>=8){

     wc = 0;

  }  

  }

 

} 

 

 void InterruptTime0() interrupt 1 { //中断函数

      static unsigned int cnt = 0;

   static unsigned int i = 0;

   static unsigned int index = 0;

      TH0 = 0xFC; //x*12/11059200=0.001 65536-x=y, y转化16进制 = 0xFC。

   TL0 = 0x67;

   cnt++; 

   if(cnt>=1000){//到达1秒后进行。

   cnt = 0;

   flag1s = 1;

   }

 

    P0=0xFF;         

  

   //led点阵显示刷新                                                  

   P1 = (P1 & 0xF0)|i ;  

   if((i >= 0)&&(i <= 7))

   {

    P0 = LedBuff[index][i];

   }

    

   if((i >= 8)&&(i <= 13))

   {

    P0 = c[i-8]; 

   }

   

   if(i == 14)

   {

    P0 = b[0];

   }

   if(i<15)

   {

    i++;

   }

   else 

   i = 0;

    j++;

    if(j>1000){

    j = 0;

    index++;

    if(index >= 4){

    index = 0;

  }

  }

 

 }