basketball2.c

单片机制作的小制作程序

#include<reg52.h>

#define uchar unsigned char
#define uint  unsigned int
uchar fen,miao,dao,i;

#include<xianshi2.H>

sbit betton24=P1^0;
sbit betton12=P1^3;
sbit start=P1^2;
sbit deng12=P1^4;

void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}

void init()
{
	TMOD=0X01;
	TH0=(65536-50000)/256;
	TL0=(65536-50000)%256;
	ET0=1;
	TR0=1;
	EA=1;
}

void main()
{
	int i;
	fen=11;
	miao=1;
	dao=25;	
	xianshi(fen,miao,dao);
	deng12=0;
	while(start==1)	;
	deng12=1;
	init();
	while(1)				   
	{	
		if(betton24==0)
			dao=25;
		if(betton12==0)
		{
			i++;
			while(betton12==0);
			if(i%2==1)
				TR0=0;
			if(i%2==0)
				TR0=1;
		}		
/*			TR0=0;
			deng12=0;
			while(betton12==0)
			{

			}
			P0=0x55;
			delay(500);
			P0=0x00;
			while(betton12==1)
			{
				P2=0x58;
//				if(betton12==0)
//					break;
			}
			P0=0x99;
			TR0=1;
			while(betton12==0);
		}	*/
		xianshi(fen,miao,dao);
	}
}

void timer0() interrupt 1
{
	TH0=(65536-50000)/256;
	TL0=(65536-50000)%256;
	i++;
	if(i==20)
	{
		i=0;
		miao--;
		dao--;
	}
	if(miao==0)
	{
		miao=60;
		fen--;
		if(fen==0)
		{
			xianshi(0,0,0);
			while(1);	
		}
	}
		if(dao==1)
		{
			deng12=0;
			TR0=0;
			xianshi(fen,miao,dao);
			while(betton24==1);
			TR0=1;
			deng12=1;
			dao=25;
		}

}