51單片機輸出8路脈沖Proteus仿真+程序

ID:63146 · 發(fā)表于 2020-1-11 10:28

#include <reg51.h>

#define unit unsigned int
#define uchar unsigned char

sbit p10=P1^0;//P1^0輸出100HZ波形
sbit p11=P1^1;//P1^1輸出50HZ波形
sbit p12=P1^2;//P1^2輸出25HZ波形
sbit p13=P1^3;//P1^3輸出20HZ波形
sbit p14=P1^4;//P1^4輸出10HZ波形
sbit p15=P1^5;//P1^5輸出5HZ波形
sbit p16=P1^6;//P1^6輸出2HZ波形
sbit p17=P1^7;//P1^7輸出1HZ波形
uchar count0;//計數(shù)
uchar count1;
uchar count2;
uchar count3;
uchar count4;
uchar count5;
uchar count6;
uchar count7;

void main()
{
      count0=1;
      count1=2;
      count2=4;
      count3=5;
      count4=10;
      count5=20;
      count6=50;
      count7=100;
      TMOD=0X01;//定時器0 方式1
      TH0=(65536-5000)/256;//5000個機器周期  5ms
      TL0=(65536-5000)%256;
      EA=1;
      ET0=1;
      TR0=1;
      while(1)
      {
            if(count0==0){count0=1;p10=!p10;}
            if(count1==0){count1=2;p11=!p11;}
            if(count2==0){count2=4;p12=!p12;}
            if(count3==0){count3=5;p13=!p13;}
            if(count4==0){count4=10;p14=!p14;}
            if(count5==0){count5=20;p15=!p15;}
            if(count6==0){count6=50;p16=!p16;}
            if(count7==0){count7=100;p17=!p17;}

      }
}

void counter()interrupt 1
{
      TH0=(65536-4994)/256;
      TL0=(65536-4994)%256;
      count0--;
      count1--;
      count2--;
      count3--;
      count4--;
      count5--;
      count6--;
      count7--;
}

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51單片機輸出8路脈沖Proteus仿真+程序