main.h

PHILIPS FQ1286高频头c51驱动程序

#define REPEAT_DELAY   3
#define g_ir_system_code 0xff

bit RMDTSET;      // 1:received    
bit KEYUP;
bit TxbEmpty;
unsigned char tick_count;
unsigned char RMDATA;
unsigned char count;
unsigned char RECDATA;	//key code signal
unsigned char SRecData;	//key code signal

extern unsigned char togglebit;

/*
void delay(int i)
{ 
  int j; 
  for(j=0;j<i;j++);
}
*/

void timer0handle() interrupt 1 using 1
{       
	IE = 0x0b1;//0x8d;//1(EA)0(X)1(ET2)1(ES) - 0(ET1)0(EX1)0(ET0)1(EX0)
	RECDATA=1;
    KEYUP=1;
}

void serialporthandler() interrupt 4  using 2
{   
   if(TI!=0)  
   {
      TI  = 0;
	  TxbEmpty = 1;
   };

   if(RI!=0) 
   {
	  RI = 0 ;
      SRecData = SBUF;    
   }
}

void timer2handler() interrupt 5  using 3
{
    T2CON = 0x04;//0(TF2)1(EXF2)0(RCLK)0(TCLK) - 0(EXEN2)1(TR2)0(C_T2)0(CP_RL2)
	tick_count++;
}

void main_init()
{
 RMDTSET=0;
 count=0;
 RECDATA=0;
 TxbEmpty = 1;
}

void int0handle( void )   interrupt 0 using 0
{
      
}

void tcom_data(unsigned char cdata)
{  
    unsigned char i;
    i =0;
    while(TxbEmpty!=1 && i < 200)
	{		
		_nop_();
	    i++;
	}
	SBUF = cdata;
	TxbEmpty = 0;
}

void dis_data(unsigned char d_data)
{
  unsigned char x_data;

//   tcom_data(0x20); 
   tcom_data(0x30); 
   tcom_data(0x58); 
  
   x_data = (d_data&0xf0)>>4;
   if(x_data > 9) 
	 x_data = x_data-10 + 0x41;
   else
	 x_data = x_data + 0x30;
   tcom_data(x_data); 

   x_data = d_data&0x0f;
   if(x_data > 9) 
	 x_data = x_data-10 + 0x41;
   else
	 x_data = x_data + 0x30;
   tcom_data(x_data); 
}