ad7008.h

DDS 单片机控制AD7008 产生正弦波

#ifndef _AD7008_H_
#define _AD7008_H_

#include "reg52.h"
#include "absacc.h"
#include "math.h"
#include <INTRINS.H>

#define COMMAND 0x00
#define FREQ0   0x08
#define FREQ1   0x09
#define PHASE   0x0a
#define IQMOD   0x0b
#define FW_1Hz  0xD7

sbit LOAD    = P2^7;
sbit WR1     = P2^6;
sbit FSELECT = P2^5;

void Init_AD7008();
void write(unsigned char dat);
void load(unsigned char reg_addr);
void SendCM(unsigned char c);
void SendFW(unsigned long f,unsigned char s);
void SendPW(unsigned int p);
void SendIQMOD(unsigned long a);
#endif