main-time5.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;
//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;
		uSendCount[uSendCount1++] = (uchar)count;
		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;

 InitCom(8);

//	T2CON=0x04;
T2MOD &= 0xFC; /* T2OE=0;定时器2输出不允许 */ 
T2MOD |= 0x00; /* DCEN=1;可以设置为向上/下计数:此程序中为向上达到0xff时溢出*/ 
C_T2 = 0;
EXF2=0; /* reset flag 定时器2外部标志位清除*/ 
TCLK=0;RCLK=0; /* disable baud rate generator 不用于波特率发生器*/ 
 	TH2=0x00;
    TL2=0x00;
    RCAP2H=0x00;
    RCAP2L=0x00;
    TR2=1;
    ET2=1;

  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(uSendCount1 >= 0x2C)
			{
				uchar uSend = 0;
				uchar uSend1 = 0;
			//	Send(uSendCount1);
				for(i = 0x1C; i < 0x1C+0x08; i++)
				{
					//Send(uSendCount[i]);
					if(uSendCount[i] > 2&& uSendCount[i] < 8)
					{
						uSend <<= 1;
						//Send(0);
					}else if(uSendCount[i] > 12&& uSendCount[i] < 18)
					{
						uSend <<= 1;
						uSend |= 1;
						//Send(1);
					}
				}

				for(i = 0x1C + 0x08; i < 0x1C+0x08 + 0x08; i++)
				{
					if(uSendCount[i] > 2&& uSendCount[i] < 8)
					{
						uSend1 <<= 1;
						//Send(0);
					}else if(uSendCount[i] > 12&& uSendCount[i] < 18)
					{
						uSend1 <<= 1;
						uSend1 |= 1;
						//Send(1);
					}
				}
				if(uSend == ~uSend1)
				{
					Send(uSend);
				}
				uSendCount1 = 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;
	TF2 = 0;
	 TH2 = 0xFF;
	TL2 = 0xA3;
	 TR2 = 1;
	 count ++;
	 led = !led;
}

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