如何使用stm32f103rct6控制adf4351实现30M~~4G的正弦波？

如何使用STM32f103rct6控制adf4351实现30M~~4G的正弦波？

回帖（1）

王强

2021-12-17 14:03:29

刚开始接触adf4351的时候，发现不知道如何去下手去编写程序，
怎么通过按键去实现控制产生不同的正弦波，
同时通过OLED显示。代码如下：
#include “delay.h”
#include “sys.h”
#include “lcd.h”
#include “touch.h”
#include “gui.h”
#include “test.h”
#include “MS5611.h”
#include “24l01.h”
#include “spi.h”
#include “string.h”
#include “usart.h”
#include “key.h”
#include “ADF4351.h”
void KEY_Init(void);
u8 KEY_Scan(void);
u8 keycount=1;
int sweeptime=0;
int timebai=9;
int timeshi=0;
int timege=0;
int timeyi=0;
extern uint32_t Pressure;
extern uint64_t dT,TEMP;
void LCD_MS5611_DataShow(void);
u8 T[9],P[13];
int key1_flag,key0_flg,keyup_flag;
void ADF4351Init(void);
void ReadToADF4351(u8 count, u8 *buf);
void WriteToADF4351(u8 count, u8 *buf);
void WriteOneRegToADF4351(u32 Regster);
void ADF4351_Init_some(void);
void ADF4351WriteFreq(float Fre);
uint8_t data_buf[9]={0};
u8 tmp_buf[33];
float fre=80;
float frequence=80;
int main(void)
{
SystemInit();
key1_flag=0;key0_flg=0;keyup_flag=0;
delay_init(72);
//delay_ms(1000);
IIC_Init();
delay_ms(100);
KEY_Init();
delay_ms(100);
LCD_Init();
LCD_Clear(WHITE);
LCD_Clear(WHITE);
ADF4351Init();
ADF4351_Init_some();
ADF4351WriteFreq(fre) ;
while(1){
keycount=KEY_Scan();
switch(keycount)
{
case KEY0_PRES:{
LCD_Clear(WHITE);
Gui_StrCenter(0,40,BLUE,YELLOW,“sweep frequence”,16,1);

key0_flg=key0_flg+1;
if(key0_flg==2)
{
LCD_Clear(WHITE);
Gui_StrCenter(0,40,BLUE,YELLOW,"start sweep",16,1);
while(key0_flg==2)
{
frequence=frequence+0.1;
keycount=KEY_Scan();
delay_us(sweeptime);
if(keycount==1)
{

key0_flg=key0_flg+1;

}
if(frequence>110)
{
frequence=80;
}
ADF4351WriteFreq(frequence) ;

}

key0_flg=0;

}

break;}

case  KEY1_PRES:{
      LCD_Clear(WHITE);
Gui_StrCenter(0,60,BLUE,YELLOW,"dop frequence",16,1);
   key1_flag=key1_flag+1;
if(key1_flag==2){
LCD_Clear(WHITE);
Gui_StrCenter(0,60,BLUE,YELLOW,"dop dop",16,1);
while((key1_flag==2))
{

//Gui_StrCenter(0,60,BLUE,YELLOW,"dop dop",16,1);
keycount=KEY_Scan();
if(keycount==1)
{
LCD_Clear(WHITE);
fre=fre+1;

ADF4351WriteFreq(fre) ;
Gui_StrCenter(0,20,BLUE,YELLOW,"frequence",16,1);
LCD_ShowNum(30,50,fre,5,16) ;
}
else if(keycount==2)
{
   key1_flag=key1_flag+1;
LCD_Clear(WHITE);

}
else if(keycount==3)
{
   LCD_Clear(WHITE);
fre=fre-1;
if(fre<35){
fre=35;
ADF4351WriteFreq(fre) ;
Gui_StrCenter(0,20,BLUE,YELLOW,"frequence",16,1);
LCD_ShowNum(30,50,fre,5,16) ;
}
ADF4351WriteFreq(fre) ;
Gui_StrCenter(0,20,BLUE,YELLOW,"frequence",16,1);
LCD_ShowNum(30,50,fre,5,16) ;
}

}
key1_flag=0;
}

break;}

case  WKUP_PRES:{
LCD_Clear(WHITE);
Gui_StrCenter(0,60,BLUE,YELLOW,"step in",16,1);
   keyup_flag=keyup_flag+1;
if(keyup_flag==2)
{
LCD_Clear(WHITE);
Gui_StrCenter(0,60,BLUE,YELLOW,"step step",16,1);
while(keyup_flag==2)
{

keycount=KEY_Scan();
if(keycount==2)
{
LCD_Clear(WHITE);
timeyi=timeyi+1;
if(timeyi>2)
{
timeyi=0;
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"bai wei",16,1);
LCD_ShowNum(30,50,timebai,5,16) ;
}

else if(timeyi==0)
{
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"bai wei",16,1);
LCD_ShowNum(30,50,timebai,5,16) ;
}
else if(timeyi==1)
{
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"shi wei",16,1);
LCD_ShowNum(30,50,timeshi,5,16) ;
}
else if(timeyi==2)
{
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"ge wei",16,1);
LCD_ShowNum(30,50,timege,5,16) ;
}
sweeptime=sweeptime+timebai*100+timeshi*10+timege;
}
else if(keycount==1)
{
LCD_Clear(WHITE);
if(timeyi==0){

timebai=timebai+1;
if(timebai>9)
{
timebai=0;
}
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"bai wei",16,1);
LCD_ShowNum(30,50,timebai,5,16) ;
}
else if(timeyi==1){

timeshi=timeshi+1;
if(timeshi>9)
{
timeshi=0;
}
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"shi wei",16,1);
LCD_ShowNum(30,50,timeshi,5,16) ;
}

else if(timeyi==2)
{
timege=timege+1;
if(timege>9)
{
timege=0;

}
LCD_Clear(WHITE);
Gui_StrCenter(0,20,BLUE,YELLOW,"ge wei",16,1);
LCD_ShowNum(30,50,timege,5,16) ;
}

sweeptime=sweeptime+timebai*100+timeshi*10+timege;
}
else if(keycount==3)
{
keyup_flag=keyup_flag+1;
}
}
keyup_flag=0;
}
break;
}
}
}
}

void LCD_MS5611_DataShow(void)
{
//unsigned char T[9],P[13];

  T[0] = 'T';
  T[1] = ':';
T[2] = TEMP/1000 + 0x30;
T[3] = TEMP%1000/100 + 0x30;
T[4] = '.';
T[5] = TEMP%100/10 + 0x30;
T[6] = TEMP%10 + 0x30;
  T[7]='C';
T[8] = '';

  P[0] = 'P';
P[1] = ':';
P[2] = Pressure/100000 + 0x30;
P[3] = Pressure%100000/10000 + 0x30;
P[4] = Pressure%10000/1000 + 0x30;
P[5] = Pressure%1000/100 + 0x30;
P[6] = '.';
P[7] = Pressure%100/10 + 0x30;
P[8] = Pressure%10 + 0x30;
P[10] = 'p';
P[11] = 'a';
P[12] = '';

//LCD_ShowString(100,190,200,16,16, P);

  delay_ms(500);
LCD_Clear(WHITE);
Gui_StrCenter(0,28,BLUE,YELLOW,P,16,1);
Gui_StrCenter(0,60,BLUE,YELLOW,T,16,1);

//printf(" Pressure : %urnrnrn",Pressure); //´®¿ÚÊä³öÔÊ¼Êý¾Ý

}
u8 KEY_Scan(void)
{
if((KEY00||KEY10||WK_UP1))
{
delay_ms(10);//È¥¶¶¶¯
if(KEY00){
delay_ms(100);
while(!KEY0){;}
return KEY0_PRES;
}
else if(KEY1==0){
if(KEY1==0){
delay_ms(100);
while(!KEY1){;}

return KEY1_PRES;

} }

else if(WK_UP==1){

if(WK_UP==1){
delay_ms(100);
while(WK_UP){;}

return WKUP_PRES;

}
//return 0;// ÎÞ°´¼ü°´ÏÂ

}
}
}
void KEY_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOC,ENABLE);

GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_1;//PA15
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_13;//PC5
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_0;//PA0
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOA, &GPIO_InitStructure);

}
主要adf4351初始化代码如下：
void ADF4351Init(void)
{
u8 buf[4] = {0,0,0,0};

ADF_Output_GPIOInit();

buf[3] = 0x00;
buf[2] = 0x58;
buf[1] = 0x00; //write communication register 0x00580005 to control the progress
buf[0] = 0x05; //to write Register 5 to set digital lock detector
WriteToADF4351(4,buf);

buf[3] = 0x00;
buf[2] = 0xec; //(DB23=1)The signal is taken from the VCO directly;(DB22-20:4H)the RF divider is 16;(DB19-12:50H)R is 80
buf[1] = 0x80; //(DB11=0)VCO powerd up;
buf[0] = 0x3C; //(DB5=1)RF output is enabled;(DB4-3=3H)Output power level is 5
WriteToADF4351(4,buf);

buf[3] = 0x00;
buf[2] = 0x00;
buf[1] = 0x04; //(DB14-3:96H)clock divider value is 150.
buf[0] = 0xB3;
WriteToADF4351(4,buf);

buf[3] = 0x00;
buf[2] = 0x01; //(DB6=1)set PD polarity is positive;(DB7=1)LDP is 6nS;
buf[1] = 0x0E; //(DB8=0)enable fractional-N digital lock detect;
buf[0] = 0x42; //(DB12-9:7H)set Icp 2.50 mA;
WriteToADF4351(4,buf); //(DB23-14:1H)R counter is 1

buf[3] = 0x00;
buf[2] = 0x00;
buf[1] = 0x80;    //(DB14-3:6H)MOD counter is 6;
buf[0] = 0x29;    //(DB26-15:6H)PHASE word is 1,neither the phase resync
WriteToADF4351(4,buf);    //nor the spurious optimization functions are being used
   //(DB27=1)prescaler value is 8/9

buf[3] = 0x00;
buf[2] = 0x2c;
buf[1] = 0x80;
buf[0] = 0x18; //(DB14-3:0H)FRAC value is 0;
WriteToADF4351(4,buf); //(DB30-15:140H)INT value is 320;

}
void ADF4351_Init_some(void)
{
WriteOneRegToADF4351(ADF4351_R2);
WriteOneRegToADF4351(ADF4351_R3);
WriteOneRegToADF4351(ADF4351_R5);
}
adf4351写入频率函数：
void ADF4351WriteFreq(float Fre) // (xx.x) M Hz
{
u16 Fre_temp, N_Mul = 1, Mul_Core = 0;
u16 INT_Fre, Frac_temp, Mod_temp, i;
u32 W_ADF4351_R0 = 0, W_ADF4351_R1 = 0, W_ADF4351_R4 = 0;
float multiple;

if(Fre < 35.0)
Fre = 35.0;
if(Fre > 4400.0)
Fre = 4400.0;
Mod_temp = 1000;
Fre = ((float)((u32)(Fre*10)))/10;

Fre_temp = Fre;
for(i = 0; i < 10; i++)
{
if(((Fre_temp*N_Mul) >= 2199.9) && ((Fre_temp*N_Mul) <= 4400.1))
break;
Mul_Core++;
N_Mul = N_Mul*2;
}

multiple = (Fre*N_Mul)/25;
INT_Fre = (u16)multiple;
Frac_temp = ((u32)(multiple*1000))%1000;
while(((Frac_temp%5) == 0) && ((Mod_temp%5) == 0))
{
Frac_temp = Frac_temp/5;
Mod_temp = Mod_temp/5;
}
while(((Frac_temp%2) == 0)&&((Mod_temp%2) == 0))
{
Frac_temp = Frac_temp/2;
Mod_temp = Mod_temp/2;
}
Mul_Core %= 7;
W_ADF4351_R0 = (INT_Fre<<15)+(Frac_temp<<3);
W_ADF4351_R1 = ADF4351_R1_Base + (Mod_temp<<3);
W_ADF4351_R4 = ADF4351_R4_ON + (Mul_Core<<20);
WriteOneRegToADF4351(ADF4351_RF_OFF);
WriteOneRegToADF4351(W_ADF4351_R1);
WriteOneRegToADF4351(W_ADF4351_R0);
WriteOneRegToADF4351(W_ADF4351_R4);

// WriteOneRegToADF4351((u32)(ADF4351_R4_ON + (Mul_Core<<20)));
}

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秋风宜人

如何使用stm32f103rct6控制adf4351实现30M~~4G的正弦波？

回帖（1）

王强

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