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單片機C語(yǔ)言(0到100計時(shí)器)

作者: 時(shí)間:2016-11-29 來(lái)源:網(wǎng)絡(luò ) 收藏

#include

本文引用地址:http://dyxdggzs.com/article/201611/323557.htm

#define uint unsigned int

#define uchar unsigned charuchar temp,bai,shi,ge,aa;

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; //位選通

wela=0;

delay(1) ;

dula=1;

P0=table[shi];

dula=0;

P0=0xff; //消隱

wela=1;

P0=0xfd;

wela=0;

delay(1) ;

dula=1;

P0=table[ge];

dula=0;

P0=0xff;// 消隱

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++;

}    



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