pt2262jm.c

PT2262软件解码程序,可以任意解码无线编码

//软件解调PT2262
//同步码宽度=32*12A/3=18ms
//a=147us
//4a= 587.8us
//12a= 1763.4us
//4M晶阵，机器周期=3us
//作者：[e-mail]
#include<reg52.h>
#include<absacc.h>
#include<intrins.h>

#define uchar unsigned char
#define uint  unsigned int

sbit RX_Write=P3^2;
sbit Erro_down=P0^0;
sbit OK_one= P0^4;
sbit OK_two= P0^5;
sbit OK_three= P0^6;
sbit OK_four= P0^7;

void delay(uchar n);//延时子程序（2ms）
void Reset(void);	//初始化单片机


void delay(uchar n)
{uchar i;
 while(n--)
 {for(i=0;i<125;i++);
 }
}

void Reset(void)
{TMOD=0x29;
 IT0=1;
}

void main(void)
{uchar i;
 uchar date=0x55;
 Reset();
 while(1)
   {
       TH0=0xee;
       TL0=0x00;
    if(RX_Write==1)
         {
           while(RX_Write==0);
           TR0=1;
	   while(RX_Write==1);
	   TR0=0;
	  if(TH0==0x00)
	    for(i=0;i<7;i++)
                {TH0=0xfe;
                 TL0=0x10;
                 TR0=1;               
                 while(RX_Write==0);
                 while(RX_Write==1);
                 TR0=0;
                  if(TH0==0xff)
                    {date=(date<<1)|0x01;
                    }
                    date=date<<1;
                  } 
                 P0=date; 
            }

      }
   }