使用AD9850生成信号的程序代码

#include 
#include
float l,m,n,q,z;
double k;  
//-----------------------定义管脚--------------------------------------------------------
#define  data_OUT P1
sbit FQ_UD=P3^0;          //AD9850信号更新申请 
sbit W_CLK=P3^1;
sbit FESET="P3"^2;          //写控制字时钟
unsigned char CON_word[5]; 
//Word data[7] data[6] data[5] data[4] data[3] data[2] data[1] data[0]
//W0  Phase b  Phase b3  Phase b2  Phase b1 Phase b0  Power Down  Control     Control
//W1 Freq-b31    Freq-b30 Freq-b29 Freq-b28 Freq-b27 Freq-b26 Freq-b25 Freq-b24
//W2 Freq-b23 Freq-b22 Freq-b21 Freq-b20 Freq-b19 Freq-b18 Freq-b17 Freq-b16
//W3 Freq-b15 Freq-b14 Freq-b13 Freq-b12 Freq-b11 Freq-b10 Freq-b9      Freq-b8
//W4 Freq-b7     Freq-b6     Freq-b5     Freq-b4     Freq-b3     Freq-b2  

//--------------------------------------------------------------------------------------------------
// 函数名称： delay
// 入口参数： N
// 函数功能：延时子程序，实现(16*N+24)us的延时 
// 系统采用11.0592MHz的时钟时,延时满足要求,其它情况需要改动
//--------------------------------------------------------------------------------------------------
 // void delay(unsigned  int N)  
 // {
 // int i; 
  //for(i=0;i // }
//--------------------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------------------
 /*******************************************************/
   void Freq_Adjust(long value_Freq)
{  
    unsigned int i; 
   long f;
 unsigned char L4,L3,L2,L1,L0; 
   FQ_UD=0; 
    f="value"_Freq*86;
    L0=0x28;
    L4= f&0x000000ff;
    L3=(f>>8)&0x000000ff;
    L2=(f>>16)&0x000000ff;
    L1=(f>>24)&0x000000ff;
   CON_word[0]=L0;
   CON_word[4]=L4;
   CON_word[3]=L3;
   CON_word[2]=L2;
   CON_word[1]=L1;
     FQ_UD=0;
     W_CLK=0;
  //delay(0);
  _nop_(); _nop_(); _nop_();  _nop_(); _nop_();
  CON_word[0]=CON_word[0]&0xFC;   //置工作方式选择位为00
     for(i=0;i<5;i++)
     {  
  FESET="1";
  W_CLK=0;
     data_OUT=CON_word[i];      //送控制字 
    // delay(0);