|
|
楼主 |
发表于 2010-12-26 13:33:50
|
显示全部楼层
小车程序
#include <reg52.h>
#define uchar unsigned char
uchar tablewe[]={0xf1,0xf2,0xf4,0xf8}; //P2
uchar tabledu[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x00,0xC6,0x40,0x86,0x8E}; //P1
sbit ina=P0^0;
sbit inb=P0^1;
sbit inc=P0^2;
sbit ind=P0^3;
void time1init();
void int1init();
void irpros();
void irwork();
void jieshou();
void delay();
void display();
void work();
uchar ircode;
uchar irdata[9];
uchar disp[2];
uchar irrecvok;
uchar irprosok;
uchar start_flag;
uchar bitnum;
uchar irtime;
void main()
{
time1init();
int1init();
while(1)
{
jieshou();
display();
work();
}
}
void time1init()
{
TMOD=0x20;
TH1=0;
TL1=0;
TR1=1;
ET1=1;
EA=1;
}
void int1init()
{
IT1=1;
EX1=1;
EA=1;
}
void time1() interrupt 3
{
irtime++;
}
void int1() interrupt 2
{
if(start_flag)
{
if(irtime>18)
{
irdata[0]=irtime;
bitnum=1;
irtime=0;
}
else
{
irdata[bitnum]=irtime;
irtime=0;
bitnum++;
if(bitnum==9)
{
bitnum=0;
start_flag=0;
irrecvok=1;
}
}
}
else
{
start_flag=1;
irtime=0;
}
}
void irpros()
{
uchar i,k;
uchar value;
k=1;
for(i=0;i<8;i++)
{
value>>=1;
if(irdata[k]>14)
{
value|=0x80;
}
k++;
}
ircode=value;
irprosok=1;
}
void irwork()
{
disp[0]=ircode/16;
disp[1]=ircode%16;
}
void delay()
{
uchar a=50;
while(a--);
}
void display()
{
P2=tablewe[0];
P1=tabledu[disp[0]];
delay();
P1=0xff;
P2=tablewe[1];
P1=tabledu[disp[1]];
delay();
P1=0xff;
P2=tablewe[2];
P1=tabledu[0];
delay();
P1=0xff;
P2=tablewe[3];
P1=tabledu[0];
delay();
P1=0xff;
}
void jieshou()
{
if(irrecvok)
{
irrecvok=0;
irpros();
}
if(irprosok)
{
irprosok=0;
irwork();
}
}
void work()
{
if(disp[0]==7&&disp[1]==15) //左
{
ina=0;
inb=1;
inc=1;
ind=0;
}
if(disp[0]==11&&disp[1]==15) //右
{
ina=1;
inb=0;
inc=0;
ind=1;
}
if(disp[0]==13&&disp[1]==15) //前进
{
ina=1;
inb=0;
inc=1;
ind=0;
}
if(disp[0]==14&&disp[1]==15) //后退
{
ina=0;
inb=1;
inc=0;
ind=1;
}
if(disp[0]==15&&disp[1]==7) //停止
{
ina=1;
inb=1;
inc=1;
ind=1;
}
} |
|
发表于 2010-12-25 13:46:46
