#include "ad9854.h"// AD9854数据总线定义
#define AD9854_D0 PBout(4)
#define AD9854_D1 PBout(6)
#define AD9854_D2 PBout(8)
#define AD9854_D3 PEout(0)
#define AD9854_D4 PBout(5)
#define AD9854_D5 PBout(7)
#define AD9854_D6 PBout(9)
#define AD9854_D7 PEout(1)
// AD9854地址总线定义
#define AD9854_A0 PAout(8)
#define AD9854_A1 PAout(15)
#define AD9854_A2 PDout(4)
#define AD9854_A3 PDout(5)
#define AD9854_A4 PDout(6)
#define AD9854_A5 PDout(7)
static void set_data_bus(uint8_t data) {
AD9854_D0 = (data & 0x01) ? 1 : 0;
AD9854_D1 = (data & 0x02) ? 1 : 0;
AD9854_D2 = (data & 0x04) ? 1 : 0;
AD9854_D3 = (data & 0x08) ? 1 : 0;
AD9854_D4 = (data & 0x10) ? 1 : 0;
AD9854_D5 = (data & 0x20) ? 1 : 0;
AD9854_D6 = (data & 0x40) ? 1 : 0;
AD9854_D7 = (data & 0x80) ? 1 : 0;
}
static void set_addr_bus(uint8_t addr) {
AD9854_A0 = (addr & 0x01) ? 1 : 0;
AD9854_A1 = (addr & 0x02) ? 1 : 0;
AD9854_A2 = (addr & 0x04) ? 1 : 0;
AD9854_A3 = (addr & 0x08) ? 1 : 0;
AD9854_A4 = (addr & 0x10) ? 1 : 0;
AD9854_A5 = (addr & 0x20) ? 1 : 0;
}
uchar FreqWord[6]; //6个字节频率控制字
//**********************以下为系统时钟以及其相关变量设置**************************
/*
此处根据自己的需要设置系统时钟以及与其相关的因子，一次需且只需开启一个
CLK_Set为时钟倍频设置，可设置4~20倍倍频，但最大不能超过300MHZ
Freq_mult_ulong和Freq_mult_doulle均为2的48次方除以系统时钟，一个为长整形，一个为双精度型
*/
/*
#define CLK_Set 4
const ulong Freq_mult_ulong = 3518437;
const double Freq_mult_doulle = 3518437.2088832;
*/
/*
#define CLK_Set 5
const ulong Freq_mult_ulong = 2814750;
const double Freq_mult_doulle = 2814749.76710656;
*/
/*
#define CLK_Set 6
const ulong Freq_mult_ulong = 2345625;
const double Freq_mult_doulle = 2345624.80592213;
*/
/*
#define CLK_Set 7
const ulong Freq_mult_ulong = 2010536;
const double Freq_mult_doulle = 2010535.54793326;
*/
/*
#define CLK_Set 8
const ulong Freq_mult_ulong = 1759219;
const double Freq_mult_doulle = 1759218.6044416;
*/
/*
#define CLK_Set 9
const ulong Freq_mult_ulong = 1563750;
const double Freq_mult_doulle = 1563749.87061476;
*/
/*
#define CLK_Set 10
const ulong Freq_mult_ulong = 1407375;
const double Freq_mult_doulle = 1407374.88355328;
*/
/*
#define CLK_Set 11
const ulong Freq_mult_ulong = 1279432;
const double Freq_mult_doulle = 1279431.712321164;
*/
#define CLK_Set 12
const ulong Freq_mult_ulong = 1172812;
const double Freq_mult_doulle = 1172812.402961067;
/*
#define CLK_Set 13
const ulong Freq_mult_ulong = 1082596;
const double Freq_mult_doulle = 1082596.064271754;
*/
/*
#define CLK_Set 14
const ulong Freq_mult_ulong = 1005268;
const double Freq_mult_doulle = 1005267.773966629;
*/
/*
#define CLK_Set 15
const ulong Freq_mult_ulong = 938250;
const double Freq_mult_doulle = 938249.9223688533;
*/
//**************************修改硬件时要修改的部分********************************
//**************************以下部分为函数定义********************************
//====================================================================================
//函数名称:void AD9854_WR_Byte(uchar addr,uchar dat)
//函数功能:AD9854并行口写入数据
//入口参数:addr 6位地址
// dat 写入的数据
//出口参数:无
//====================================================================================
uint32_t dat1,dat2;
static void AD9854_WR_Byte(uint32_t addr,uint32_t dat)
{
// dat1= dat|(addr<<8);
//
// AD9854_AdrBus=(dat1&0x3fff)|((dat1^0x3fff)<<16);
set_addr_bus(addr);
set_data_bus(dat);
// AD9854_AdrBus = ((addr&0x3f)<<8) | ((addr^0x3f)<<(16+8));
// AD9854_DataBus = dat|(dat^0xff)<<16;
// dat1 = ((addr&0x3f)<<8) | ((addr^0x3f)<<(16+8));
// dat2 = (dat1&0x3fff)|((dat1^0x3fff)<<16);
AD9854_WR = 0;
AD9854_WR = 1;
}
//====================================================================================
//函数名称:void AD9854_Init(void)
//函数功能:AD9854初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_Init(void) {
AD9854_WR=1;//将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //关闭比较器
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x00); //设置系统为模式0，由外部更新
AD9854_WR_Byte(0x20,0x60); //设置为可调节幅度，取消插值补偿
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void Freq_convert(long Freq)
//函数功能:正弦信号频率数据转换
//入口参数:Freq 需要转换的频率，取值从0~SYSCLK/2
//出口参数:无 但是影响全局变量FreqWord[6]的值
//说明： 该算法位多字节相乘算法，有公式FTW = (Desired Output Frequency × 2N)/SYSCLK
// 得到该算法，其中N=48，Desired Output Frequency 为所需要的频率，即Freq，SYSCLK
// 为可编程的系统时钟，FTW为48Bit的频率控制字，即FreqWord[6]
//====================================================================================
static void Freq_convert(long Freq)
{
ulong FreqBuf;
ulong Temp=Freq_mult_ulong;
uchar Array_Freq[4]; //将输入频率因子分为四个字节
Array_Freq[0]=(uchar)Freq;
Array_Freq[1]=(uchar)(Freq>>8);
Array_Freq[2]=(uchar)(Freq>>16);
Array_Freq[3]=(uchar)(Freq>>24);
FreqBuf=Temp*Array_Freq[0];
FreqWord[0]=FreqBuf;
FreqBuf>>=8;
FreqBuf+=(Temp*Array_Freq[1]);
FreqWord[1]=FreqBuf;
FreqBuf>>=8;
FreqBuf+=(Temp*Array_Freq[2]);
FreqWord[2]=FreqBuf;
FreqBuf>>=8;
FreqBuf+=(Temp*Array_Freq[3]);
FreqWord[3]=FreqBuf;
FreqBuf>>=8;
FreqWord[4]=FreqBuf;
FreqWord[5]=FreqBuf>>8;
}
//====================================================================================
//函数名称:void AD9854_SetSine(ulong Freq,uint Shape)
//函数功能:AD9854正弦波产生程序
//入口参数:Freq 频率设置，取值范围为0~(1/2)*SYSCLK
// Shape 幅度设置. 为12 Bit,取值范围为(0~4095) ,取值越大,幅度越大
//出口参数:无
//====================================================================================
void AD9854_SetSine(ulong Freq,uint Shape)
{
uchar count;
uchar Adress;
Adress = 0x04; //选择频率控制字地址的初值
Freq_convert(Freq); //频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress++,FreqWord[--count]);
}
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void Freq_doublt_convert(double Freq)
//函数功能:正弦信号频率数据转换
//入口参数:Freq 需要转换的频率，取值从0~SYSCLK/2
//出口参数:无 但是影响全局变量FreqWord[6]的值
//说明： 有公式FTW = (Desired Output Frequency × 2N)/SYSCLK得到该函数，
// 其中N=48，Desired Output Frequency 为所需要的频率，即Freq，SYSCLK
// 为可编程的系统时钟，FTW为48Bit的频率控制字，即FreqWord[6]
//注意： 该函数与上面函数的区别为该函数的入口参数为double，可使信号的频率更精确
// 建议在100HZ以下用本函数，在高于100HZ的情况下用函数void Freq_convert(long Freq)
//====================================================================================
static void Freq_double_convert(double Freq)
{
ulong Low32;
uint High16;
double Temp=Freq_mult_doulle; //23ca99为2的48次方除以120M
Freq*=(double)(Temp);
// 1 0000 0000 0000 0000 0000 0000 0000 0000 = 4294967295
High16 =(int)(Freq/4294967295); //2^32 = 4294967295
Freq -= (double)High16*4294967295;
Low32 = (ulong)Freq;
FreqWord[0]=Low32;
FreqWord[1]=Low32>>8;
FreqWord[2]=Low32>>16;
FreqWord[3]=Low32>>24;
FreqWord[4]=High16;
FreqWord[5]=High16>>8;
}
//====================================================================================
//函数名称:void AD9854_SetSine_double(double Freq,uint Shape)
//函数功能:AD9854正弦波产生程序
//入口参数:Freq 频率设置，取值范围为0~1/2*SYSCLK
// Shape 幅度设置. 为12 Bit,取值范围为(0~4095)
//出口参数:无
//====================================================================================
void AD9854_SetSine_double(double Freq,uint Shape)
{
uchar count=0;
uchar Adress;
Adress=0x04; //选择频率控制字1地址的初值
Freq_double_convert(Freq); //频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress++,FreqWord[--count]);
}
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_InitFSK(void)
//函数功能:AD9854的FSK初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_InitFSK(void)
{
AD9854_WR=1; //将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //关闭比较器
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x02); //设置系统为模式1，由外部更新
AD9854_WR_Byte(0x20,0x60); //设置为可调节幅度，取消插值补偿
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_SetFSK(ulong Freq1,ulong Freq2)
//函数功能:AD9854的FSK设置
//入口参数:Freq1 FSK频率1
// Freq2 FSK频率2
//出口参数:无
//====================================================================================
void AD9854_SetFSK(ulong Freq1,ulong Freq2)
{
uchar count=6;
uchar Adress1,Adress2;
const uint Shape=4000; //幅度设置. 为12 Bit,取值范围为(0~4095)
Adress1=0x04; //选择频率控制字1地址的初值
Adress2=0x0a; //选择频率控制字2地址的初值
Freq_convert(Freq1); //频率转换1
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress1++,FreqWord[--count]);
}
Freq_convert(Freq2); //频率转换2
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress2++,FreqWord[--count]);
}
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_InitBPSK(void)
//函数功能:AD9854的BPSK初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_InitBPSK(void)
{
AD9854_WR=1; //将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //打开比较器，输出方波
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x08); //设置系统为模式4，由外部更新
AD9854_WR_Byte(0x20,0x60); //设置为可调节幅度，取消插值补偿
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_SetBPSK(uint Phase1,uint Phase2)
//函数功能:AD9854的BPSK设置
//入口参数:Phase1 调制相位1
// Phase2 调制相位2
//出口参数:无
//说明： 相位为14Bit，取值从0~16383，建议在用本函数的时候将Phase1设置为0，
// 将Phase1设置为8192，180°相位
//====================================================================================
void AD9854_SetBPSK(uint Phase1,uint Phase2)
{
uchar count;
const ulong Freq=60000;
const uint Shape=4000;
uchar Adress;
Adress=0x04; //选择频率控制字1地址的初值
AD9854_WR_Byte(0x00,Phase1>>8); //设置相位1
AD9854_WR_Byte(0x01,(uchar)(Phase1&0xff));
AD9854_WR_Byte(0x02,Phase2>>8); //设置相位2
AD9854_WR_Byte(0x03,(uchar)(Phase2&0xff));
Freq_convert(Freq); //频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress++,FreqWord[--count]);
}
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_InitOSK(void)
//函数功能:AD9854的OSK初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_InitOSK(void)
{
AD9854_WR=1; //将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //关闭比较器
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x00); //设置系统为模式0，由外部更新
AD9854_WR_Byte(0x20,0x70); //设置为可调节幅度，取消插值补偿,通断整形内部控制
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_SetOSK(uchar RateShape)
//函数功能:AD9854的OSK设置
//入口参数: RateShape OSK斜率,取值为4~255，小于4则无效
//出口参数:无
//====================================================================================
void AD9854_SetOSK(uchar RateShape)
{
uchar count;
const ulong Freq=60000; //设置载频
const uint Shape=4000; //幅度设置. 为12 Bit,取值范围为(0~4095)
uchar Adress;
Adress=0x04; //选择频率控制字地址的初值
Freq_convert(Freq); //频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress++,FreqWord[--count]);
}
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x25,RateShape); //设置OSK斜率
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_InitAM(void)
//函数功能:AD9854的AM初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_InitAM(void)
{
uchar count;
const ulong Freq=60000; //设置载频
uchar Adress;
Adress=0x04; //选择频率控制字地址的初值
AD9854_WR=1; //将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //关闭比较器
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x00); //设置系统为模式0，由外部更新
AD9854_WR_Byte(0x20,0x60); //设置为可调节幅度，取消插值补偿
Freq_convert(Freq); //频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress++,FreqWord[--count]);
}
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_SetAM(uchar Shape)
//函数功能:AD9854的AM设置
//入口参数:Shape 12Bit幅度,取值从0~4095
//出口参数:无
//====================================================================================
void AD9854_SetAM(uint Shape)
{
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_InitRFSK(void)
//函数功能:AD9854的RFSK初始化
//入口参数:无
//出口参数:无
//====================================================================================
void AD9854_InitRFSK(void)
{
AD9854_WR=1; //将读、写控制端口设为无效
AD9854_RD=1;
AD9854_UDCLK=0;
AD9854_RST=1; //复位AD9854
AD9854_RST=0;
AD9854_WR_Byte(0x1d,0x00); //关闭比较器
AD9854_WR_Byte(0x1e,CLK_Set); //设置系统时钟倍频
AD9854_WR_Byte(0x1f,0x24); //设置系统为模式2，由外部更新,使能三角波扫频功能
AD9854_WR_Byte(0x20,0x60); //设置为可调节幅度，取消插值补偿
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
//====================================================================================
//函数名称:void AD9854_SetRFSK(void)
//函数功能:AD9854的RFSK设置
//入口参数:Freq_Low RFSK低频率 48Bit
// Freq_High RFSK高频率 48Bit
// Freq_Up_Down 步进频率 48Bit
// FreRate 斜率时钟控制 20Bit
//出口参数:无
//注： 每两个脉冲之间的时间周期用下式表示（FreRate +1）*（System Clock ），一个脉冲,
// 频率 上升或者下降 一个步进频率
//====================================================================================
void AD9854_SetRFSK(ulong Freq_Low,ulong Freq_High,ulong Freq_Up_Down,ulong FreRate)
{
uchar count=6;
uchar Adress1,Adress2,Adress3;
const uint Shape=4000; //幅度设置. 为12 Bit,取值范围为(0~4095)
Adress1=0x04; //选择频率控制字地址的初值
Adress2=0x0a;
Adress3=0x10;
Freq_convert(Freq_Low); //频率1转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress1++,FreqWord[--count]);
}
Freq_convert(Freq_High); //频率2转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress2++,FreqWord[--count]);
}
Freq_convert(Freq_Up_Down); //步进频率转换
for(count=6;count>0;) //写入6字节的频率控制字
{
AD9854_WR_Byte(Adress3++,FreqWord[--count]);
}
AD9854_WR_Byte(0x1a,(uchar)((FreRate>>16)&0x0f)); //设置斜升速率
AD9854_WR_Byte(0x1b,(uchar)(FreRate>>8));
AD9854_WR_Byte(0x1c,(uchar)FreRate);
AD9854_WR_Byte(0x21,Shape>>8); //设置I通道幅度
AD9854_WR_Byte(0x22,(uchar)(Shape&0xff));
AD9854_WR_Byte(0x23,Shape>>8); //设置Q通道幅度
AD9854_WR_Byte(0x24,(uchar)(Shape&0xff));
AD9854_UDCLK=1; //更新AD9854输出
AD9854_UDCLK=0;
}
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