gbw.c

用单片机实现了电动车库门的功能

#include <REGX51.H>
//#include <AT89X55.H>
#include <absacc.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long

//for key
sbit dio=P1^0;
sbit clk=P1^1;
sbit cs=P1^2;
sbit key=P3^2;
bit ctr = 0;

//for moto
sbit direct=P0^5;
sbit pulse=P0^4;

//for light
sbit led=P3^5;

void removedlms(void) //去抖动
{
	uchar i;
	for(i=200;i>0;i--)
	{}
}

void delay(ulong count)	//延时函数
{
	for(;count>0;count--)
	{}
}

void send(unsigned char send_buf,bit cs_sign)	//按位发送数据函数
{
	unsigned char i;
	cs=0;
	delay(25);
	for(i=0;i<8;i++,send_buf<<=1)
	{
		dio=(send_buf&0x80)?1:0;
		clk=1;
		delay(5);
		clk=0;
		delay(5);
	}
	delay(10);
	cs=cs_sign;
	delay(25);
}

unsigned char receive()	//接收键码函数
{
	unsigned char rece_buf=0;
	unsigned char j;
	clk=0;
	dio=1;
	delay(25);
	for(j=0;j<8;j++)
	{
		clk=1;
		delay(5);
		rece_buf=(rece_buf<<1)|dio;
		clk=0;
		delay(5);
	}
	dio=0;
	cs=1;
	delay(25);
	return rece_buf;
}
void zhuan(uchar step)
{
    ulong i;
    for(i=0;i<2000;i++)//改变转动的角度
	{
	 delay(step);
	 pulse=!pulse;
	}
}

main()	//主函数
{
	uchar step;
	uchar reled;
	uchar rekey;
	uchar num = 0,num1 =0,num2=0;
	send(0xA4,1);	//ZLG7289复位
	step=4500;
	direct=0;
	pulse=0;
	while(1)
	{
		reled=led;

		if(reled!=led&&led==0)
		{
			direct=!direct;
			num = num+1;
			zhuan(step);
			delay(50000);//改变数值改变延时时间
			direct=!direct;
			//反转
			zhuan(step);
			num1=num/10;
			num2=num%10;
			send(0x86,0);
			send(num1,1);
			delay(25);	
			send(0x87,0);
			send(num2,1);
			delay(25);
							
		}

		if(key==0)
		{
			removedlms();
			send(0x15,0);
			rekey=receive();
			while(key==0);
			switch(rekey)
			{
 
			case 36:
				num = 0;
				send(0x86,0);
				send(0,1);
				delay(25);	
				send(0x87,0);
				send(0,1);
				delay(25);
				break;
			default:
				break;
			}
		}
		

	}
}