脉冲发生器1_100hz.c

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

//int0+int1
#include <stdio.h>
#include <reg51.h>
#include <intrins.h>
#define hi 0xec
#define lo 0x78   //5ms
unsigned int tf0 _at_ 0x20,f=99,xx,yy _at_ 0x30;
unsigned long time1 _at_ 0x40,time _at_ 0x50;

void jisuan_THTL()
 {tf0=(1000/2/f)/5;   //T/2,5ms ,(int)(T/2/5)%5;  //余数
  yy=(1000*100/2/f)%500;
  xx=hi*256+lo;
  time1=(long)(0x10000-xx)*yy/500;//+xx;
  time=(long)(0x10000-xx)*yy/500+xx;
   }
 main()
{while(1)
  {jisuan_THTL();}
  }