#include<reg52.h>#define uint unsigned int#define uchar unsigned charuchar temp,aa,bai,shi,ge;sbit dula=P2^6;sbit wela=P2^7;uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f, 展开
#include<reg52.h>#define uint unsigned int#define uchar unsigned charuchar temp,aa,bai,shi,ge;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};void display(uchar bai,uchar shi,uchar ge);void delay(uint z);void init();void main(){ init();//初始化子程序 while(1) { if(aa==20) { aa=0;temp++;if(temp==100) { temp=0;} bai=temp/100;shi=temp%100/10;ge=temp%10;} display(bai,shi,ge);}}void delay(uint z){ uint x,y;for(x=z;x>0;x--) for(y=110;y>0;y--);}void display(uchar bai,uchar shi,uchar ge){ dula=1;P0=table[bai];dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delay(1);dula=1;P0=table[shi];dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;delay(1);dula=1;P0=table[ge];dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay(1);}void init(){ wela=0;dula=0;temp=0;TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;}void timer0() interrupt 1{ TH0=(65536-50000)/256;TL0=(65536-50000)%256;aa++;} #include<reg52.h>#define uint unsigned int #define uchar unsigned char sbit dula=P2^6;sbit wela=P2^7;sbit d1=P1^0;uchar num,num1;tt;uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};void delay(uint z);void main(){ num=0;tt=0;TMOD=0x11;//设置定时器0为工作方式1 TH0=(65536-10000)/256;TL0=(65536-10000)%256;TH1=(65536-20000)/256;TL1=(65536-20000)%256;收起
