原创 频率计数器LCD1602显示

https://static.assets-stash.eet-china.com/album/old-resources/2008/10/28/a831f82a-a6eb-4bcc-9c40-2db482d64957.rarLCD1602频率计数器

#include<reg52.h>
#include<intrins.h>
#include"LCD1602_8.H"

unsigned char k[8];
unsigned int  num;
unsigned char i;
unsigned long x,t;

void main(void)
{
 lcd_init();

 TMOD=0x25;  //T0计数 T1定时
 
 TH0=0x00;  //计数值清零
 TL0=0x00;  
 TH1=0x06;  //250us
 TL1=0x06;

/* ET0=1;
 ET1=1;
 EA=1;
*/ IE=0x8a;

/* TR0=1;
 TR1=1;
*/ TCON=0x50;

// PT1=1;  //T1优先级最高

 while(1)
 {  
  x=(t<<16)+TH0*256+TL0;
  while(x/10)
  {
   k=x%10;
   x/=10;
   i++;
  }
  k=x;