DDS AD9850驱动串口+并口

wwjdwy · 发表于 2013-10-22 14:56:31

/*
* AD9850.h
*
* Created on: 2013-7-12
* Author: Allen
*/

#ifndef AD9850_H_
#define AD9850_H_

#include <MSP430G2553.h>
#include "MyType.h"

//----------------------------------------------------------------------------------
//AD9850:W_CLK P2.5
#define  AD9850_W_CLK_DIR   (P2DIR)
#define  AD9850_W_CLK_OUT   (P2OUT)
#define  AD9850_W_CLK_PIN_NUM  (BIT5)

#define  AD9850_W_CLK_IO_INIT  (Set_Bit(P2DIR,AD9850_W_CLK_PIN_NUM))
#define  AD9850_W_CLK_H       (Set_Bit(P2OUT,AD9850_W_CLK_PIN_NUM))
#define  AD9850_W_CLK_L       (Clr_Bit(P2OUT,AD9850_W_CLK_PIN_NUM))

//----------------------------------------------------------------------------------
//AD9850:FQ_UP P2.4
#define  AD9850_FQ_UP_DIR   (P2DIR)
#define  AD9850_FQ_UP_OUT   (P2OUT)
#define  AD9850_FQ_UP_PIN_NUM  (BIT4)

#define  AD9850_FQ_UP_IO_INIT  (Set_Bit(P2DIR,AD9850_FQ_UP_PIN_NUM))
#define  AD9850_FQ_UP_H       (Set_Bit(P2OUT,AD9850_FQ_UP_PIN_NUM))
#define  AD9850_FQ_UP_L       (Clr_Bit(P2OUT,AD9850_FQ_UP_PIN_NUM))

//----------------------------------------------------------------------------------
//AD9850:RESET P2.3
#define  AD9850_RESET_DIR   (P2DIR)
#define  AD9850_RESET_OUT   (P2OUT)
#define  AD9850_RESET_PIN_NUM  (BIT3)

#define  AD9850_RESET_IO_INIT  (Set_Bit(P2DIR,AD9850_RESET_PIN_NUM))
#define  AD9850_RESET_H       (Set_Bit(P2OUT,AD9850_RESET_PIN_NUM))
#define  AD9850_RESET_L       (Clr_Bit(P2OUT,AD9850_RESET_PIN_NUM))

//----------------------------------------------------------------------------------
//AD9850:BIT_DATA P1.7
#define  AD9850_BIT_DATA_DIR   (P1DIR)
#define  AD9850_BIT_DATA_OUT   (P1OUT)
#define  AD9850_BIT_DATA_PIN_NUM  (BIT7)

#define  AD9850_BIT_DATA_IO_INIT  (Set_Bit(P1DIR,AD9850_BIT_DATA_PIN_NUM))
#define  AD9850_BIT_DATA_H   (Set_Bit(P1OUT,AD9850_BIT_DATA_PIN_NUM))
#define  AD9850_BIT_DATA_L   (Clr_Bit(P1OUT,AD9850_BIT_DATA_PIN_NUM))

extern void AD9850_INIT_SERIAL(void);

extern void AD9850_RESET_SERIAL(void);

extern void AD9850_WR_SERIAL(unsigned char w0,double frequence);

extern void AD9850_INIT_PARREL(void);

extern void AD9850_RESET_PARREL(void);

extern void AD9850_WR_PARREL(unsigned char w0,double frequence);

#endif /* LED_H_ */

/*
* AD9850.c
*
* Created on: 2013-10-15
* Author: Allen
*/

#include "AD9850.h"
#include <MSP430G2553.h>

void AD9850_INIT_SERIAL(void)
{
AD9850_W_CLK_IO_INIT;
AD9850_FQ_UP_IO_INIT;
AD9850_RESET_IO_INIT;
AD9850_BIT_DATA_IO_INIT;
}

void AD9850_RESET_SERIAL(void)
{
AD9850_W_CLK_L;
AD9850_FQ_UP_L;
    //rest信号
AD9850_RESET_L;
    AD9850_RESET_H;
    AD9850_RESET_L;
    //w_clk信号
    AD9850_W_CLK_L;
    AD9850_W_CLK_H;
    AD9850_W_CLK_L;
    //fq_up信号
    AD9850_FQ_UP_L;
    AD9850_FQ_UP_H;
    AD9850_FQ_UP_L;

}

void AD9850_WR_SERIAL(unsigned char w0,double frequence)
{
unsigned char i,w;
long int y;
double x;
//计算频率的HEX值
x=4294967295/20;//适合125M晶振
//如果时钟频率不为20MHZ，修改该处的频率值，单位MHz ！！！
frequence=frequence/1000000;
frequence=frequence*x;
y=frequence;
//写w4数据
w=(y>>=0);
for(i=0;i<8;i++)
{
//    ad9850_bit_data=(w>>i)&0x01;
    if((w>>i)&0x01)
      AD9850_BIT_DATA_H;
       else
      AD9850_BIT_DATA_L;
    AD9850_W_CLK_H;
    AD9850_W_CLK_L;
}
//写w3数据
w=(y>>8);
for(i=0;i<8;i++)
{
    if((w>>i)&0x01)
    AD9850_BIT_DATA_H;
     else
    AD9850_BIT_DATA_L;
     AD9850_W_CLK_H;
     AD9850_W_CLK_L;
}
//写w2数据
w=(y>>16);
for(i=0;i<8;i++)
{
    if((w>>i)&0x01)
    AD9850_BIT_DATA_H;
     else
    AD9850_BIT_DATA_L;
     AD9850_W_CLK_H;
     AD9850_W_CLK_L;
}
//写w1数据
w=(y>>24);
for(i=0;i<8;i++)
{
    if((w>>i)&0x01)
    AD9850_BIT_DATA_H;
     else
    AD9850_BIT_DATA_L;
     AD9850_W_CLK_H;
     AD9850_W_CLK_L;
}
//写w0数据
w=w0;
for(i=0;i<8;i++)
{
    if((w>>i)&0x01)
    AD9850_BIT_DATA_H;
     else
    AD9850_BIT_DATA_L;
     AD9850_W_CLK_H;
     AD9850_W_CLK_L;
}
//移入始能
AD9850_FQ_UP_H;
AD9850_FQ_UP_L;

}

void AD9850_INIT_PARREL(void)
{
AD9850_W_CLK_IO_INIT;
AD9850_FQ_UP_IO_INIT;
AD9850_RESET_IO_INIT;
1DIR=0xff;

}

void AD9850_RESET_PARREL(void)
{
AD9850_W_CLK_L;
AD9850_FQ_UP_L;
//rest信号
AD9850_RESET_L;
AD9850_RESET_H;
AD9850_RESET_L;
}

void AD9850_WR_PARREL(unsigned char w0,double frequence)
{
unsigned char w;
long int y;
double x;
//计算频率的HEX值
x=4294967295/20;//适合20M晶振
//如果时钟频率不为20MHZ，修改该处的频率值，单位MHz ！！！
frequence=frequence/1000000;
frequence=frequence*x;
y=frequence;
//写w0数据
w=w0;
1OUT=w;      //w0
AD9850_W_CLK_H;
AD9850_W_CLK_L;
//写w1数据
w=(y>>24);
1OUT=w;      //w1
AD9850_W_CLK_H;
AD9850_W_CLK_L;
//写w2数据
w=(y>>16);
1OUT=w;      //w2
AD9850_W_CLK_H;
AD9850_W_CLK_L;
//写w3数据
w=(y>>8);
1OUT=w;      //w3
AD9850_W_CLK_H;
AD9850_W_CLK_L;
//写w4数据
w=(y>>0);
1OUT=w;      //w4
AD9850_W_CLK_H;
AD9850_W_CLK_L;
//移入始能
AD9850_FQ_UP_H;
AD9850_FQ_UP_L;