#include<AT89X52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code CCW[8]={0x08,0x0c,0x04,0x06,0x02,0x03,0x01,0x09};
uchar code CW[8]={0x09,0x01,0x03,0x02,0x06,0x04,0x0c,0x08};
unsigned char jishu=0;
sbit K1=P3^0;
sbit K2=P3^1;
sbit K3=P3^2;
sbit K4=P3^3;
sbit FMQ=P3^6;
void delaynms(uint aa)
{
uchar bb;
while(aa--)
{
for(bb=0;bb<115;bb++)
{
}
}
}
void delay500us(void)
{
int j;
for(j=0;j<57;j++)
{
}
}
void beep(void)
{
uchar t;
for(t=0;t<100;t++)
{
delay500us();
FMQ=!FMQ;
}
FMQ=0;
}
void motor_ccw(void)
{
uchar i,j;
for(j=0;j<8;j++)
{
if(K3==0)
{
break;
}
for(i=0;i<8;i++)
{
P1=CCW;
delaynms(2);
}
}
}
void motor_cw(void)
{
uchar i,j;
for(j=0;j<8;j++)
{
if(K3==0)
{
break;
}
for(i=8;i>0;i--)
{
P1=CCW;
delaynms(2);
}
}
}
void main(void)
{
uchar r;
uchar N=64;
while(1)
{
if(K1==0)
{
beep();
for(r=0;r<N;r++)
{
if(K1==0)
motor_ccw();
if(K3==0)
{
beep();
break;
}
}
}
else if(K2==0)
{
beep();
for(r=0;r<N;r++)
{
if(K2==0)
motor_cw();
if(K3==0)
{
beep();
break;
}
}
}
else if(K4==0&&jishu==0)
{
for(r=0;r<N;r++)
{
motor_cw();
}
if(r==N)
jishu=1;
}
else if(K4==0&&jishu==1)
{
for(r=0;r<N;r++)
{
motor_ccw();
}
if(r==N)
jishu=0;
}
else
P1=0xf0;
}
}
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