szt.c

模型控制

#include <stdio.h>
#include <reg51.h>
#include <szt.h>

void	initial(void);
void	delay(short i);
unsigned char keyscan(void);
void	led(void);

void main(void)
{
	unsigned char   keyword;
	initial();
	while(1)
	{
	
		keyword=keyscan();
		switch(keyword)
			{
			case 0:
			P2_0=1;
			P0_0=1;
			break;

			case 1:
			P2_0=1;
			P0_1=1;
			break;

			default:P0_0=0;
			}
	}
}

void initial(void)
{
	P0=0xff;
	P1_0=1;
	P1_0=0;
	P1=0xff;
	P2=0xff;
	P3=0xff;

	IE=0x82;
	TCON=0x00;

	TH0=0xF6;
	TL0=0x3C;
	TMOD=0x01;

	TR1=0;	//close timer1
	TR0=1;	//open timer0
}
unsigned char keyscan()
{
	P3_0=FALSE;
		if(P1_0==FALSE)
		return	0;
		if(P1_1==FALSE)
		return	1;
		if(P1_2==FALSE)
		return	2;
		if(P1_3==FALSE)
		return	3;
		if(P1_4==FALSE)
		return	4;
		if(P1_5==FALSE)
		return	5;
		if(P1_6==FALSE)
		return	6;
		if(P1_7==FALSE)
		return	7;
	P3_0=TRUE;
	delay(DELAY_VALUE);

	P3_1=FALSE;
		if(P1_0==FALSE)
		return	8;
		if(P1_1==FALSE)
		return	9;
		if(P1_2==FALSE)
		return	10;
		if(P1_3==FALSE)
		return	11;
		if(P1_4==FALSE)
		return	12;
		if(P1_5==FALSE)
		return	13;
		if(P1_6==FALSE)
		return	14;
		if(P1_7==FALSE)
		return	15;
	P3_1=TRUE;
	delay(DELAY_VALUE);

	P3_2=FALSE;
		if(P1_0==FALSE)
		return	16;
		if(P1_1==FALSE)
		return	17;
		if(P1_2==FALSE)
		return	18;
		if(P1_3==FALSE)
		return	19;
		if(P1_4==FALSE)
		return	20;
	//	if(P1_5=FALSE)
	//	return	21;
	//	if(P1_6=FALSE)
	//	return	6;
	//	if(P1_7=FALSE)
	//	return	7;
	P3_2=TRUE;
	delay(DELAY_VALUE);
	
}

void delay(short i)
{
	int	j=0;
	int	k=0;
	k=i*DELAY_VALUE;
	while(j<k)j++;
}

void TIMER(void)	interrupt 1 using 2
{
	TH0=0xF6;
	TL0=0x3C;

}


//an jian sao miao qu dou dong 
void timer0_isr(void) interrupt 1
{
	TH0=0xf8;
	TL0=0xcc;
	
	keyt2=keyscan();
	if(keyt2==0xFF){
					if(release<250) release++;
					}
	if(release>2){
				if(key_value==keyt2){
									varify_times=0;
									}
				else{
					if(varify_times<250) varify_times++;
					if(varify_times>10{
										if(key_had_deal){
														key_value=keyt2;
														varify_times=0;
														release=0;
														key_had_deal=0;
														}
										}
					}
				}
}


＃i nclude <AT89X51.H> 

sbit K1=P3^0; 

sbit L1=P1^0; 

  

void main(void) 

{ 

  while(1) 

    { 

      if(K1==0) 

        { 

          L1=0;                 //灯亮 

        } 

        else 

          { 

            L1=1;             //灯灭 

          } 

    } 

}