两个第定时器一起用，实现对数码管和流水灯的控制

ID:82008 · 发表于 2015-6-5 00:31

电路图详见:http://www.51hei.com/f/51hei-5.pdf
#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,
0x76,0x79,0x38,0x3f,0};
uchar temp,t0,t1,bai,shi,ge,flag,flag1;
uint shu;
void init();
void display(uchar,uchar,uchar,uchar,uchar,uchar);
void delay(uint z)
{
      uint t1,y;
      for(t1=z;t1>0;t1--)
            for(y=110;y>0;y--);
}
void main()
{
      init();
      while(1)
      {
            if(flag1!=1)
                     display(7,6,5,bai,shi,ge);
            else
                     display(16,17,18,18,19,20);
      }
}

void init()
{
      shu=432;
      temp=0xfe;
      P1=temp;
      TMOD=0x11;
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      TH1=(65536-50000)/256;
      TL1=(65536-50000)%256;
      EA=1;
      ET0=1;
      ET1=1;
      TR0=1;
      TR1=1;
}

void timer0() interrupt 1
{
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      t0++;
      if(flag!=1)
            {
            if(t0==10)
                     {
                              t0=1;
                              temp=_crol_(temp,1);
                              P1=temp;
                     }
            }
      else
            {
                     if(t0%4==0)
                              P1=~P1;
                     if(t0==60)
                     {
                              TR0=0;
                              P1=0xff;
                              flag1=1;
                     }
            }
}

void timer1() interrupt 3
{
      TH1=(65536-50000)/256;
      TL1=(65536-50000)%256;
      t1++;
      if(t1==2)
            {
                     t1=0;
                     shu--;
                     bai=shu/100;
                     shi=shu%100/10;
                     ge=shu%10;
                     if(shu==398)
                              {
                                    TR0=0;
                                    TH0=(65536-50000)/256;
                                    TL0=(65536-50000)%256;
                                    TR0=1;
                                    flag=1;
                                    t0=0;
                                    P1=0xff;
                                    TR1=0;
                              }
            }
}

void display(uchar aa,uchar bb,uchar cc,uchar ba,uchar sh,uchar g)
{
      dula=1;
            P0=table[aa];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xfe;
            wela=0;
            delay(1);

            dula=1;
            P0=table[bb];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xfd;
            wela=0;
            delay(1);

   dula=1;
            P0=table[cc];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xfb;
            wela=0;
            delay(1);
      dula=1;
            P0=table[ba];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xf7;
            wela=0;
            delay(1);

            dula=1;
            P0=table[sh];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xef;
            wela=0;
            delay(1);

            dula=1;
            P0=table[g];
            dula=0;
            P0=0xff;
            wela=1;
            P0=0xdf;
            wela=0;
            delay(1);
}

ID:342795 · 发表于 2018-6-1 12:19

请问你这个程序代码是实现什么功能,求详细解答?
还有这个程序在C51单片机上怎么连线

ID:342795 · 发表于 2018-6-1 12:38

请问你这个程序在C51单片机上怎么连线?

帐号		自动登录	找回密码
密码			立即注册