main-hao.c

RM0038红外传感器接收电视机摇控的源码

#include "Stdafx.h"
#include "Serial.h"

long count = 0;

int Counts = 0;
xdata uchar uSendCount[100] = 0;
uchar uSendCount1 = 0;

uchar rf0 = 0;
uchar rf1 = 0;
uchar rfkey = 0;
//下面是外部中断INT0的中断服务程序
void Int0IrqHandler (void) interrupt 0 {
	EX0 = 0;
  delay(10);
  if(P3_2 == 0)
  {
		P1_0 = 0;
		if(uSendCount1 >= 0x1C&&uSendCount1 < 0x1C + 0x08)
		{
			if(count >= 2&& count <= 11)
			{
				rf0 <<= 1;
			}else if(count > 12&& count < 22)
			{
				rf0 <<= 1;
				rf0 |= 1;
			}
		}else if(uSendCount1 >= 0x1C + 0x08&&uSendCount1 < 0x1C + 0x08 + 0x08)
		{
			if(count >= 2&& count <= 11)
			{
				rf1 <<= 1;
			}else if(count >= 12&& count <= 22)
			{
				rf1 <<= 1;
				rf1 |= 1;
			}	
		}
		if(uSendCount1 == (0x2C - 1))
		{
			if(rf0 == ~rf1)
			{
				rfkey = rf0;
			}
		}
		uSendCount1++;
		count = 0;
	}
	EX0 = 1;
}

  void   main()   
  {
  
  int i = 0;
 //Init
/*	TMOD = 0x1; //定时器T0模式1
	TL0  = 0x0f;//定时初值
	TH0  = 0x00;
	TR0  = 1;   //开始运行
	ET0  = 1;   //允许定时器T0中断*/
	//P2_5 = 0;

	T2CON=0x04;
   T2MOD=0x01;
	TH2 = 0xFF;
	TL2 = 0xA3;
		RCAP2H = 0xFF;
	RCAP2L = 0xA3;
   TR2=1;
   ET2=1;


  InitCom(8);
  EA = 1;

	//EA = 0;
	//TR0 = 0;
	//TH0 = 0xF8;
	//TL0 = 0xCC;
	//TL0 = 0x41;
	//TH0 = 0xFE;
//	TR0 = 1;
//	EA = 1;	

   IT0 = 1;            // 设置中断触发方式为下降沿触发
   EX0=1;              // 允许外部中断INT0

	P0 = 0x0F;
	//P1 = 0;
	while(1)
	{
		if((count > 200)&&(uSendCount1 > 1))
		{
			if(rfkey)
			Send(rfkey);
			uSendCount1 = 0;
			//rf0 = 0;
		}
		P1_0 = 1;
		/*P2_5 = P3_2;
		if(P3_2)
			P1 = 0xFF;
		else P1 = 0x00;*/
		while(SerialCheck())
		{
			Send(Getbyte());
		}
		//Send('A');
		//P2_5 = 0;
		//delay(60000);
		//P2_5 = 1;
		//delay(60000);
		//delay(600);
	}
}


#define led P1_1
void timer2 (void) interrupt 5
{
	TR2 = 0;
	ET2 = 0;
	TH2 = 0xFF;
	TL2 = 0xA3;
	 count ++;
	 TR2 = 1;
}

  //中断
/*void time0() interrupt 1
{
	TR0 = 0;
	TH0 = 0xFF;
	TL0 = 0xA3;
	count++;
	TR0 = 1;
	//IntLed();
	//tttx = GetMM();
	//m_TickCount++;
}*/