ad9851.h

毕业设计的调频收音机的完整程序

#ifndef AD9851_2006_10_10
#define AD9851_2006_10_10


//======IO Define=======
sbit FQ_QD_AD9851   = P3^2;
sbit CLK_AD9851    	= P3^1;
sbit DataIn_AD9851 	= P1^0;
sbit RST_AD9851	    = P3^0;

//======================
unsigned long int freq = 0;
//unsigned char Control_AD9851 = 0x09; //  Phase0 ,power down mode and 6 REFCLK Multiplier enable
//unsigned char Control_AD9851 = 0x00; //  Phase0 ,power on   mode and 6 REFCLK Multiplier disable
  unsigned char Control_AD9851 = 0x01; //  Phase0 ,power on   mode and 6 REFCLK Multiplier enable
/*
void Parallel2Serial_AD9851()
{
	 CLK_AD9851 = 0; 
	 FQ_QD_AD9851 = 0;	
	 _nop_();
	 CLK_AD9851 =1; 
	  _nop_();
	 CLK_AD9851 = 0;
	  _nop_();
	 FQ_QD_AD9851 = 1;
	 _nop_();
	 FQ_QD_AD9851 = 0;
	 _nop_();
}
*/
void SentFreq()
{
    unsigned char i;
	unsigned int temp;	
//	EA = 0;
    FQ_QD_AD9851=0;

	for(i=0;i<32;i++)
	{
		CLK_AD9851 = 0;
		temp=( ( freq  >> i ) & 1 );
		DataIn_AD9851 = temp;
		CLK_AD9851 = 1;
	}
	for(i=0;i<8;i++)    //phase-b4 ph-b3 ph-b2 ph-b1 ph-b0   Power-down  Logic0*  6*REFCLK Multiplier_En
    {
        CLK_AD9851 = 0;
        temp=( ( Control_AD9851 >> i ) & 1 );
		DataIn_AD9851 = temp;
        CLK_AD9851 = 1;    	
  	}
    CLK_AD9851 = 0; 	 
	FQ_QD_AD9851 = 1;
	FQ_QD_AD9851 = 0;
//	EA = 1;
}

void Set_Freq(unsigned long int Freqency)
{
 //  freq= (unsigned long int)(28.63320*Freqency);	// SYSCLK = 150 MHz
 freq=29*Freqency;	// SYSCLK = 150 MHz
   SentFreq();	
}																		           

#endif