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![](static/image/common/ico_lz.png)
楼主 |
发表于 2011-9-27 16:18:52
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#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
uchar num,aa;
sbit keysj=P3^0;
sbit key=P3^4;
sbit a=P2^5;
sbit b=P2^6;
sbit c=P2^7;
sbit wr=P3^6;
sbit ir_pin=P1^1; //SM0038红外接口
sbit ir_out=P1^0;
uchar code table[]={
0xc0,0xf9,0xa4,0xb0,
0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,
0xc6,0xa1,0x86,0x8e
};
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void wela()
{
c=1;
b=1;
a=0;
wr=0;
}
void dula()
{
c=1;
b=1;
a=1;
wr=0;
}
/*void deng()
{
c=1;
b=0;
a=0;
wr=0;
}*/
void display(uint tt)
{
dula();
P0= table[tt/100];
wr=1;
wela();
P0=0x02;
wr=1;
delay(2);
dula();
P0= table[tt%100/10];
wr=1;
wela();
P0=0x04;
wr=1;
delay(2);
dula();
P0= table[tt%10];
wr=1;
wela();
P0=0x08;
wr=1;
delay(2);
}
/*clearmen()
{
ir_out=0; //关遥控输出
TMOD=0x20; //8位自由重复模式
TH1=0xf3; //40KHZ初值
TL1=0xf3;
ET1=1;
EA=1;
}
/*************发射函数******************/
/*sed(uint s)
{ while(s--)
{
TR1=1;
delay(1);
TR1=0;
ir_out=1;
delay(2);
TR1=1;
delay(1);
TR1=0;
ir_out=0;
delay(3);
}
// delay(10);
}*/
/**************主函数*******************/
main()
{
// keysj=0;
// key=1;
// clearmen();
while(1)
{
/* if(key==0)
{
_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();
if(key==0)
{
while(!key);
sed(3);
}
}*/
if(ir_pin==0) //接收
num++;
display(num);
}
}
/***************40kHz发生器************/
//定时中断T1
/*void time_intt1(void) interrupt 3
{
ir_out=~ir_out;
}*/ |
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