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src/ad9915.c
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/*
SPI : initialisation du dds et communication SPI
*/
#include"ad9915.h"
#include "spi.h"
#include "ddsFreq.h"
#define debug
//fonction reset
void Send_Reset(int f_dds)
{
char reset='2';
write(f_dds,&reset,sizeof(reset)); //reset
sleep(0.1);
}
//fonction ioupdate
void Send_IO_Update(int f_dds)
{
char update='1';
write(f_dds,&update,sizeof(update)); //reset
sleep(0.1);
}
//fonction write register
void write_register (int fd, unsigned char addr, unsigned char d3, unsigned char d2, unsigned char d1, unsigned char d0)
{
unsigned char tx[5]={0};
tx[0]=addr;
tx[1]=d3;
tx[2]=d2;
tx[3]=d1;
tx[4]=d0;
//spi_put_multiple envoie le vecteur dans cet ordre
//[tx0]-[tx1]-[tx2] -> adresse->bit poids Fort->bit poids faible
spi_put_multiple(fd,tx,5,NULL,0);
}
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//fonction read register
void read_register (int fd,unsigned char addr, uint32_t *readword)
{
unsigned char tx[1] = {0};
unsigned char rx[4] = {0};
addr = addr|0x80;//instruction byte for the read : 1000 0000 | byte_adress
tx[0]=addr;
spi_put_multiple(fd,tx,1,rx,4);
//printf("TX:%x RX:%x %x %x %x
",tx[0],rx[0],rx[1],rx[2],rx[3]);
*readword = 0x00000000;
*readword = *readword|(rx[0]<<24);
*readword = *readword|(rx[1]<<16);
*readword = *readword|(rx[2]<<8);
*readword = *readword|rx[3];
}
//fonction read register
void read_register_ini (int fd, unsigned char addr)
{
unsigned char tx[1] = {0};
unsigned char rx[4] = {0};
addr = addr|0x80;
tx[0]=addr;
spi_put_multiple(fd,tx,1,rx,4);
printf("TX:%x RX:%x %x %x %x
",tx[0],rx[0],rx[1],rx[2],rx[3]);
// Send_IO_Update (f_dds); //Send the update to set the control registers
}
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//initialisation du dds
void Initialize_DDS (int fd, int f_dds)
{
Send_Reset(f_dds);
write_register(fd,CFRAddress[0],CFR1Start[0], CFR1Start[1], CFR1Start[2], CFR1Start[3]);
Send_IO_Update (f_dds); //Send the update to set the control registers
write_register(fd,CFRAddress[1], CFR2Start[0], CFR2Start[1], CFR2Start[2], CFR2Start[3]);
Send_IO_Update (f_dds);
write_register(fd,CFRAddress[2], CFR3Start[0], CFR3Start[1], CFR3Start[2], CFR3Start[3]);
Send_IO_Update (f_dds);
write_register(fd,CFRAddress[3], CFR4Start[0], CFR4Start[1], CFR4Start[2], CFR4Start[3]);
Send_IO_Update (f_dds);
write_register(fd,USR0Address, 0xA2, 0x00, 0x08, 0x00);
Send_IO_Update (f_dds);
}
//calibration du dac
void Calibrate_DAC (int fd, int f_dds)
{
write_register(fd,CFRAddress[3], DACCalEnable[0], DACCalEnable[1], DACCalEnable[2], DACCalEnable[3]);
Send_IO_Update (f_dds);
write_register(fd,CFRAddress[3], CFR4Start[0], CFR4Start[1], CFR4Start[2], CFR4Start[3]);
Send_IO_Update (f_dds);
}
void modulus_setup(int fd, int f_dds)
{
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write_register(fd,0x00,0x00, 0x01, 0x01, 0x0a); //OSK enable //0x08 //write_register(fd,0x00,0x00, 0x01, 0x01, 0x08); //OSK enable de base |
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Send_IO_Update (f_dds);
write_register(fd,0x01,0x00, 0x89, 0x09, 0x00); //enable program modulus and digital ramp
Send_IO_Update (f_dds);
}
void basic_setup(int fd, int f_dds,uint16_t ampWord, uint16_t phaseWord)
{
write_register(fd,0x00,0x00, 0x01, 0x01, 0x08); //OSK enable
Send_IO_Update (f_dds);
write_register(fd,0x01,0x00, 0x89, 0x09, 0x00); //enable program modulus and digital ramp
Send_IO_Update (f_dds);
write_register(fd,0x04,0x19, 0x99, 0x99, 0x99); //ftw
Send_IO_Update (f_dds);
write_register(fd,0x05,0xC0, 0x00, 0x00, 0x00); //A
Send_IO_Update (f_dds);
write_register(fd,0x06,0x00, 0x00, 0x00, 0x05); //B
Send_IO_Update (f_dds);
//write_register(fd,0x0c, 0x0F, 0xFF, 0x00, 0x00); // amp (12b) ph(16)
write_register(fd,0x0c, (uint8_t)((ampWord>>8) & 0x0F), (uint8_t)(ampWord & 0xFF), (uint8_t)((phaseWord>>8) & 0xFF), (uint8_t)(phaseWord & 0xFF)); // amp (12b) ph(16)
Send_IO_Update (f_dds);
}
void setFreqMM(int fd, int f_dds, unsigned int ftw, unsigned int A, unsigned int B)
{
//uint16_t phaseWord = 0x7400;
//uint16_t ampWord = (uint16_t)strtol(argv[4],NULL,0) & 0x0FFF ; //masque en 2
//uint16_t ampWord = 0x00000FFF;
//uint32_t phaseAmpWord = phaseWord | ampWord<<16;
//write_register(fd,0x00,0x00, 0x01, 0x01, 0x08); //OSK enable
//Send_IO_Update(f_dds);
//write_register(fd,0x01,0x00, 0x89, 0x09, 0x00); //enable program modulus and digital ramp
//Send_IO_Update(f_dds);
write_register(fd,0x04,ftw>>24&0xFF, ftw>>16&0xFF, ftw>>8&0xFF, ftw&0xFF); //ftw
Send_IO_Update(f_dds);
write_register(fd,0x05,A>>24&0xFF,A>>16&0xFF, A>>8&0xFF, A&0xFF); //A
Send_IO_Update(f_dds);
write_register(fd,0x06,B>>24&0xFF,B>>16&0xFF, B>>8&0xFF, B&0xFF); //B
Send_IO_Update(f_dds);
// write_register(fd,0x0c, phaseAmpWord>>24&0xFF, phaseAmpWord>>16&0xFF,phaseAmpWord>>8&0xFF,phaseAmpWord&0xFF); // amp (12b) ph(16)
//Send_IO_Update(f_dds);
}
void setAmpPhaseWord(int fd, int f_dds,unsigned int phaseAmpWord)
{
write_register(fd,0x0c, phaseAmpWord>>24&0xFF, phaseAmpWord>>16&0xFF,phaseAmpWord>>8&0xFF,phaseAmpWord&0xFF); // amp (12b) ph(16)
Send_IO_Update(f_dds);
}
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/*
void getAmpPhaseWord(int fd)
{
// unsigned char rx[5]={0};
unsigned char* pt;
read_register(fd,0x0c,rx); // amp (12b) ph(16)
rx[0]=*pt;
rx[1]=*(pt+1);
rx[2]=*(pt+2);
rx[3]=*(pt+3);
rx[4]=*(pt+4);
printf("%c %c %c %c %c", rx[0], rx[1], rx[2], rx[3], rx[4]);
}
*/
void checkSize(void)
{
printf("int : %d
",sizeof(unsigned int));
}
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int openAndSetDdsFreq( char * device, char * gpio_update, double f_clk, double f_out, uint16_t ampWord, uint16_t phaseWord)
{
#ifdef debug
printf("device=%s\tgpio_update=%s\tf_clk=%e\tf_out=%e\tampWord=%d\tphaseWord=%d
",device,gpio_update,f_clk,f_out,ampWord,phaseWord);
#else
printf("device=%s\tgpio_update=%s\tf_clk=%e\tf_out=%e\tampWord=%d\tphaseWord=%d
",device,gpio_update,f_clk,f_out,ampWord,phaseWord);
int fd=configureSpi(device); //ex #define FILENAME2 "/dev/spidev0.0"
printf("fd(funct)=%d
",fd);
setMode(fd,SPI_MODE_0);
if (fd <= 0){
printf("ERREUR : ouverture périphérique SPI %s
",device);
return EXIT_FAILURE;
}
int f_dds=open(gpio_update,O_RDWR); //ex #define UPDATE2 "/sys/dds/gpio24/updateOn"
printf("f_dds(funct)=%d
",f_dds);
if (f_dds <= 0){
printf("ERREUR : ouverture ");printf(gpio_update);printf("
");
printf("Chargez le module ddsIOupdateX
");
return EXIT_FAILURE;
}
setddsFreq(fd,f_dds,f_out,f_clk);
//debug
phaseWord = 0x0000;
ampWord=0x0FFF;
uint32_t phaseAmpWord = phaseWord | ampWord<<16;
setAmpPhaseWord(fd, f_dds, phaseAmpWord);
#endif
return EXIT_SUCCESS;
}
int setDdsFreqFull ( int fd, int f_dds, double f_clk, double f_out, uint16_t ampWord, uint16_t phaseWord)
{
setddsFreq(fd,f_dds,f_out,f_clk);
#ifdef debug
phaseWord = 0x0000;
ampWord=0x0FFF;
#endif
uint32_t phaseAmpWord = phaseWord | ampWord<<16;
setAmpPhaseWord(fd, f_dds, phaseAmpWord);
return EXIT_SUCCESS;
}
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void Send_CTRL_UP(int fp)
{
char DRCTLOn='0';//pente positive
write(fp,&DRCTLOn,sizeof(DRCTLOn)); //
sleep(0.1);
}
void Send_CTRL_DOWN(int fp)
{
char DRCTLOn='2';//pente negative
write(fp,&DRCTLOn,sizeof(DRCTLOn)); //reset
sleep(0.1);
}
void Send_HOLD(int fp)
{
char DRHOLDOn ='1';//rampe bloquée
write(fp,&DRHOLDOn,sizeof(DRHOLDOn)); //reset
sleep(0.1);
}
void Send_UNHOLD(int fp)
{
char DRHOLDOn ='3';//rampe debloquée
write(fp,&DRHOLDOn,sizeof(DRHOLDOn)); //reset
sleep(0.1);
}
int testRampFreq(int fd, int f_dds, int fp)
{
//3-Rampe de pente positive + debloquage
Send_CTRL_DOWN(fp);//rampe up
Send_UNHOLD(fp);
Send_Reset(f_dds);
//Initialize_DDS (fd, f_dds);
//0- paramètre de bases
write_register(fd,0x00,0x00,0x01,0x01,0x0a);//OSKenable+Read&write
Send_IO_Update(f_dds);
read_register_ini(fd,0x00);
write_register(fd,0x01,0x00, 0x00, 0x09, 0x00); // enable amp ramp
Send_IO_Update(f_dds);
read_register_ini(fd,0x00);
//1- Donner une frequence f_dds de 1.1e7 Hz sachant que f_clk=1e9 Hz;
// => Le mot a donner est (p.19) : FTW=(f_dds/f_clk)*2³²
// FTW = 42949672.96 = 42 949 673. = 0x028f5c29
// 1.1e7 =0x02d0e560
// 2d0e560
//Calibrate_DAC (fd,f_dds);
write_register(fd,0x0b,0x02,0xd0,0xe5,0x60);//mot de frequence
Send_IO_Update(f_dds);
write_register(fd,0x0c,0x0F,0xFF,0x00,0x00); //mot de amp et de phase : amp max, phase nulle
Send_IO_Update(f_dds);
printf("Les mots de frequences, d'amplitudes et de phases sont envoyes
");
printf("Lecture registre de frequence: 0x0b
");
read_register_ini(fd,0x0b);
printf("Lecture registre de amp et phase: 0x0c
");
read_register_ini(fd,0x0c);
Calibrate_DAC (fd,f_dds);
printf("
-----------------------
");
/*
//2- Taille des dt
write_register(fd,0x08,0xFF,0xFF,0xFF,0xFF); //+dt max, -dt max (+dt = -dt)
Send_IO_Update(f_dds);
printf("Les mots de dt sont envoyes
");
printf("Lecture dans le registre 0x08 : taille dt
");
read_register_ini (fd,0x08);
printf("
-----------------------
");
//3- STEP SIZE :dphi
// en theorie dphi =2.25e-28 degrees
write_register(fd,0x06,0x00,0x00,0x00,0x01);
Send_IO_Update(f_dds);
write_register(fd,0x07,0x00,0x00,0x00,0x01);
Send_IO_Update(f_dds);
//printf("
-----------------------
");
printf("Les mots de dphi sont envoyes
");
printf("Lecture dans les registres 0x06 et 0x07 : taille dt
");
read_register_ini (fd,0x06);
read_register_ini (fd,0x07);
printf("
-----------------------
");
//4- Ecrire les extremums de la rampe
write_register(fd,0x04,0x00,0x00,0x00,0x01);//0 rad
Send_IO_Update(f_dds);
write_register(fd,0x05,0xFF,0xFF,0xFF,0xFF);//2*pi rad
Send_IO_Update(f_dds);
printf("Les mots des frontieres sont envoyes
");
printf("Lecture dans les registres 0x04 et 0x05 : taille dt
");
read_register_ini (fd,0x04);
read_register_ini (fd,0x05);
//3-Rampe de pente positive ou négative
// Send_CTRL_UP(fp);//rampe up
//4-ecriture dans le registre 0x01
write_register(fd,0x01,0x00, 0xa8, 0x09, 0x00); // enable amp ramp
Send_IO_Update(f_dds);
printf("Lecture dans le registre 0x01 :
");
read_register_ini (fd,0x01);
// printf("Les mots de dt sont envoyes
");
printf("Lecture dans le registre 0x08 : taille dt
");
read_register_ini (fd,0x08);
*/
return EXIT_SUCCESS;
}
//---------------rajout 8/1
int PutAmpWord(int fd, int f_dds, double amplitude)
{
uint16_t PhaseWord = 0x0000;
uint16_t AmpWord = 0x0000;
uint32_t ReadPhaseAmpWord=0x00000000;
AmpWord = rint(amplitude*(pow(2.0,12.0)-1)/100);
read_register(fd,0x0c,&ReadPhaseAmpWord);
PhaseWord = ReadPhaseAmpWord&0xFFFF;
write_register(fd,0x0c,AmpWord>>8&0xFF,AmpWord&0xFF,PhaseWord>>8&0xFF,PhaseWord&0xFF);
Send_IO_Update(f_dds);
return 0;
}
int PutPhaseWord(int fd, int f_dds, double phase)
{
uint16_t PhaseWord = 0x0000;
uint16_t AmpWord = 0x0000;
uint32_t ReadPhaseAmpWord=0x00000000;
PhaseWord = rint(phase*(pow(2.0,16.0)-1)/360);
read_register(fd,0x0c,&ReadPhaseAmpWord);
AmpWord = ReadPhaseAmpWord>>16&0xFFFF;
write_register(fd,0x0c,AmpWord>>8&0xFF,AmpWord&0xFF,PhaseWord>>8&0xFF,PhaseWord&0xFF);
Send_IO_Update(f_dds);
return 0;
}
int PutFrequencyWord(int fd, int f_dds, double fout)//Attention uniquement valable pour fclk = 1 GHz
{
uint32_t FTWR = 0x00000000;
FTWR = rint((fout/1e9)*pow(2.0,32.0));
write_register(fd,0x0b,FTWR>>24&0xFF,FTWR>>16&0xFF,FTWR>>8&0xFF,FTWR&0xFF);//mot de frequence
Send_IO_Update(f_dds);
return 0;
}
int PutFrequencyAmpPhaseWord(int fd, int f_dds, double fout, double fclk,double amp, double phase)//n'existe pas dans le mode profile enable
{
uint32_t FTWR = 0x00000000;
FTWR = rint((fout/fclk)*pow(2.0,32.0));
write_register(fd,0x0b,FTWR>>24&0xFF,FTWR>>16&0xFF,FTWR>>8&0xFF,FTWR&0xFF);//mot de frequence
Send_IO_Update(f_dds);
// write_register(fd,0x0c,0x0F,0xFF,0x00,0x00); //mot de amp et de phase : amp max, phase nulle
// Send_IO_Update(f_dds);
PutPhaseWord(fd,f_dds,phase);
PutAmpWord(fd,f_dds,amp);
return 0;
}
int InitialisationProfile (int fd,int f_dds)
{
Send_Reset(f_dds); //les registres sont maintenant par defaut
write_register(fd,0x00,0x00,0x01,0x01,0x0a); //OSK+SDIO input only//ok
Send_IO_Update(f_dds);
write_register(fd,0x01,0x00,0x80,0x09,0x00); // profile mode enable very important
Send_IO_Update(f_dds);
write_register(fd,0x02,0x00,0x00,0x19,0x1c); // default
Send_IO_Update(f_dds);
write_register(fd,0x03,0x01,0x05,0x21,0x20); // calibration 1/2 :enable
Send_IO_Update(f_dds);
write_register(fd,0x03,0x00,0x05,0x21,0x20); // calibration 2/2 :desenable
Send_IO_Update(f_dds);
return 0;
}
//------------------- FIN RAJOUT 8/1
//-------------------------FONCTIONS RAMPES HARDWARE
//1-rampe de frequence
//rampe simple de fréquence
int FrequencySweep (int fd, int f_dds,double fclk,double dfUp, double dfDown, double FreqMax,double FreqMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=DeltaF/df = DeltaT/dt
//1-fmax > fmin
double DeltaFreq = FreqMax-FreqMin;
if(FreqMax<FreqMin)
{
printf("FreqMax should be > FreqMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaFreq/dfUp;
int NumberPointsDown = DeltaFreq/dfDown;
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//4 - Put word in register
//4.1 Limit register
uint32_t FTWRmin = rint((FreqMin/fclk)*pow(2.0,32.0));
write_register(fd,0x04,FTWRmin>>24&0xFF,FTWRmin>>16&0xFF,FTWRmin>>8&0xFF,FTWRmin&0xFF);//mot de frequence
Send_IO_Update(f_dds);
uint32_t FTWRmax = rint((FreqMax/fclk)*pow(2.0,32.0));
write_register(fd,0x05,FTWRmax>>24&0xFF,FTWRmax>>16&0xFF,FTWRmax>>8&0xFF,FTWRmax&0xFF);//mot de frequence
Send_IO_Update(f_dds);
//4.2 dfUP et dfDown
double df_up = DeltaFreq/NumberPointsUp;
double df_down = DeltaFreq/NumberPointsDown;
uint32_t Word_df_up = rint(df_up*pow(2.0,32.0)/fclk);
uint32_t Word_df_down = rint(df_down*pow(2.0,32.0)/fclk);
write_register(fd,0x06,Word_df_up>>24&0xFF,Word_df_up>>16&0xFF,Word_df_up>>8&0xFF,Word_df_up&0xFF); //df_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_df_down>>24&0xFF,Word_df_down>>16&0xFF,Word_df_down>>8&0xFF,Word_df_down&0xFF);//df_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = 0x0000;
uint16_t Word_dt_down = 0x0000;
Word_dt_up = rint(dtUp*fclk/24);
Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
write_register(fd,0x01,0x00,0x08,0x09,0x00); //rampe simple
Send_IO_Update(f_dds);
return 0;
return EXIT_SUCCESS;
}
//rampe continue de fréquence
int ContinueFrequencySweep (int fd, int f_dds,double fclk,double dfUp, double dfDown, double FreqMax,double FreqMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=DeltaF/df = DeltaT/dt
//1-fmax > fmin
double DeltaFreq = FreqMax-FreqMin;
if(FreqMax<FreqMin)
{
printf("FreqMax should be > FreqMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaFreq/dfUp;
int NumberPointsDown = DeltaFreq/dfDown;
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//4 - Put word in register
//4.1 Limit register
uint32_t FTWRmin = rint((FreqMin/fclk)*pow(2.0,32.0));
write_register(fd,0x04,FTWRmin>>24&0xFF,FTWRmin>>16&0xFF,FTWRmin>>8&0xFF,FTWRmin&0xFF);//mot de frequence
Send_IO_Update(f_dds);
uint32_t FTWRmax = rint((FreqMax/fclk)*pow(2.0,32.0));
write_register(fd,0x05,FTWRmax>>24&0xFF,FTWRmax>>16&0xFF,FTWRmax>>8&0xFF,FTWRmax&0xFF);//mot de frequence
Send_IO_Update(f_dds);
//4.2 dfUP et dfDown
double df_up = DeltaFreq/NumberPointsUp;
double df_down = DeltaFreq/NumberPointsDown;
uint32_t Word_df_up = rint(df_up*pow(2.0,32.0)/fclk);
uint32_t Word_df_down = rint(df_down*pow(2.0,32.0)/fclk);
write_register(fd,0x06,Word_df_up>>24&0xFF,Word_df_up>>16&0xFF,Word_df_up>>8&0xFF,Word_df_up&0xFF); //df_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_df_down>>24&0xFF,Word_df_down>>16&0xFF,Word_df_down>>8&0xFF,Word_df_down&0xFF);//df_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = 0x0000;
uint16_t Word_dt_down = 0x0000;
Word_dt_up = rint(dtUp*fclk/24);
Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
write_register(fd,0x01,0x00,0x8e,0x29,0x00); //rampe triangulaire
Send_IO_Update(f_dds);
return 0;
return EXIT_SUCCESS;
}
//2-rampe d'amplitude
int AmplitudeSweep (int fd, int f_dds,double fclk,double dAUp, double dADown, double AMax,double AMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=DeltaF/df = DeltaT/dt
//1-Amax > Amin
double DeltaAmp = AMax-AMin;
if(AMax<AMin)
{
printf("AMax should be > AMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaAmp/dAUp;
int NumberPointsDown = DeltaAmp/dADown;
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//check if DeltaAmp is enouth
double enouthUP=0.5*NumberPointsUp*100/4095;
double enouthDOWN=0.5*NumberPointsDown*100/4095;
int borneUP = rint(enouthUP);
int borneDown = rint(enouthDOWN);
if(DeltaAmp<=enouthUP)
{
printf("The amplitude difference should be > %d
, decrease Number Points for positive slope",borneUP);
//return -1;
}
if(DeltaAmp<=enouthDOWN)
{
printf("The amplitude difference should be > %d
, decrease Number Points for negative slope",borneDown);
//return -1;
}
//4 - Put word in register
//4.1 Limit register
uint32_t WordAmin = rint(AMin*4095/100);
uint32_t WordAmax= rint(AMax*4095/100);
write_register(fd,0x04,WordAmin>>24&0xFF,WordAmin>>16&0xFF,WordAmin>>8&0xFF,WordAmin&0xFF); //min => lim-(Amp ) = 0x800 = Amax/2
Send_IO_Update(f_dds);
write_register(fd,0x05,WordAmax>>24&0xFF,WordAmax>>16&0xFF,WordAmax>>8&0xFF,WordAmax&0xFF);//max => lim+(Amp) = 0xFFF= Amax0
Send_IO_Update(f_dds);
//4.2 dAUP et dADown
uint32_t Word_dA_up = rint(dAUp*4095/100);
uint32_t Word_dA_down = rint(dADown*4095/100);
write_register(fd,0x06,Word_dA_up>>24&0xFF,Word_dA_up>>16&0xFF,Word_dA_up>>8&0xFF,Word_dA_up&0xFF); //dA_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dA_down>>24&0xFF,Word_dA_down>>16&0xFF,Word_dA_down>>8&0xFF,Word_dA_down&0xFF);//dA_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = rint(dtUp*fclk/24);
uint16_t Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
write_register(fd,0x01,0x00,0x28,0x09,0x00); //rampe simple montante
//write_register(fd,0x01,0x00,0xAE,0x29,0x00); //rampe continue
Send_IO_Update(f_dds);
return EXIT_SUCCESS;
}
int ContinueAmplitudeSweep (int fd, int f_dds,double fclk,double dAUp, double dADown, double AMax,double AMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=DeltaF/df = DeltaT/dt
//1-Amax > Amin
double DeltaAmp = AMax-AMin;
if(AMax<AMin)
{
printf("AMax should be > AMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaAmp/dAUp;
int NumberPointsDown = DeltaAmp/dADown;
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//check if DeltaAmp is enouth
double enouthUP=0.5*NumberPointsUp*100/4095;
double enouthDOWN=0.5*NumberPointsDown*100/4095;
int borneUP = rint(enouthUP);
int borneDown = rint(enouthDOWN);
if(DeltaAmp<=enouthUP)
{
printf("The amplitude difference should be > %d
, decrease Number Points for positive slope",borneUP);
//return -1;
}
if(DeltaAmp<=enouthDOWN)
{
printf("The amplitude difference should be > %d
, decrease Number Points for negative slope",borneDown);
//return -1;
}
//4 - Put word in register
//4.1 Limit register
uint32_t WordAmin = rint(AMin*4095/100);
uint32_t WordAmax= rint(AMax*4095/100);
write_register(fd,0x04,WordAmin>>24&0xFF,WordAmin>>16&0xFF,WordAmin>>8&0xFF,WordAmin&0xFF); //min => lim-(Amp ) = 0x800 = Amax/2
Send_IO_Update(f_dds);
write_register(fd,0x05,WordAmax>>24&0xFF,WordAmax>>16&0xFF,WordAmax>>8&0xFF,WordAmax&0xFF);//max => lim+(Amp) = 0xFFF= Amax0
Send_IO_Update(f_dds);
//4.2 dAUP et dADown
uint32_t Word_dA_up = rint(dAUp*4095/100);
uint32_t Word_dA_down = rint(dADown*4095/100);
write_register(fd,0x06,Word_dA_up>>24&0xFF,Word_dA_up>>16&0xFF,Word_dA_up>>8&0xFF,Word_dA_up&0xFF); //dA_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dA_down>>24&0xFF,Word_dA_down>>16&0xFF,Word_dA_down>>8&0xFF,Word_dA_down&0xFF);//dA_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = rint(dtUp*fclk/24);
uint16_t Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
//write_register(fd,0x01,0x00,0x28,0x09,0x00); //rampe simple montante
write_register(fd,0x01,0x00,0xAE,0x29,0x00); //rampe continue
Send_IO_Update(f_dds);
return EXIT_SUCCESS;
}
//3-rampe de ĥase
int PhaseSweep (int fd, int f_dds,double fclk,double dphiUp, double dphiDown, double PhiMax,double PhiMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=Deltaphi/dphi = DeltaT/dt
//1-phimax > phimin
double DeltaPhi = PhiMax-PhiMin;
if(PhiMax<PhiMin)
{
printf("PhiMax should be > PhiMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaPhi/dphiUp;
int NumberPointsDown = DeltaPhi/dphiDown;
printf("NumberPointsUp = %d
",NumberPointsUp);
printf("NumberPointsDown = %d
",NumberPointsDown);
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//check if DeltaAmp is enouth
/*
double enouthUP=0.5*NumberPointsUp*100/4095;
double enouthDOWN=0.5*NumberPointsDown*100/4095;
int borneUP = rint(enouthUP);
int borneDown = rint(enouthDOWN);
if(DeltaAmp<=enouthUP)
{
printf("The amplitude difference should be > %d
, decrease Number Points for positive slope",borneUP);
//return -1;
}
if(DeltaAmp<=enouthDOWN)
{
printf("The amplitude difference should be > %d
, decrease Number Points for negative slope",borneDown);
//return -1;
}
*/
//4 - Put word in register
//4.1 Limit register
uint32_t WordPhimin = rint(PhiMin*65535/360);
uint32_t WordPhimax= rint(PhiMax*65535/360);
printf("WordPhimin = %.32x
",WordPhimin);
printf("WordPhimax = %.32x
",WordPhimax);
write_register(fd,0x04,WordPhimin>>24&0xFF,WordPhimin>>16&0xFF,WordPhimin>>8&0xFF,WordPhimin&0xFF); //min => lim-(Amp ) = 0x800 = Amax/2
Send_IO_Update(f_dds);
write_register(fd,0x05,WordPhimax>>24&0xFF,WordPhimax>>16&0xFF,WordPhimax>>8&0xFF,WordPhimax&0xFF);//max => lim+(Amp) = 0xFFF= Amax0
Send_IO_Update(f_dds);
//4.2 dphiUP et dphiDown
// uint32_t Word_dphi_up = rint(dphiUp*(pow(2.0,29.0)-1)/45);
// uint32_t Word_dphi_down = rint(dphiDown*(pow(2.0,29.0)-1)/45);
uint32_t Word_dphi_up = rint(dphiUp*(65535/360));
uint32_t Word_dphi_down = rint(dphiDown*(65535/360));
printf("Word_dphi_up = %.32x
",Word_dphi_up);
printf("Word_dphi_down = %.32x
",Word_dphi_down);
/*
write_register(fd,0x06,Word_dphi_up>>16&0xFF,Word_dphi_up>>8&0xFF,Word_dphi_up>>0&0xFF,Word_dphi_up&0xFF); //dphi_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dphi_down>>16&0xFF,Word_dphi_down>>8&0xFF,Word_dphi_down>>0&0xFF,Word_dphi_down&0xFF);//dphi_down
Send_IO_Update(f_dds);
*/
write_register(fd,0x06,Word_dphi_up>>24&0xFF,Word_dphi_up>>16&0xFF,Word_dphi_up>>8&0xFF,Word_dphi_up&0xFF); //dA_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dphi_down>>24&0xFF,Word_dphi_down>>16&0xFF,Word_dphi_down>>8&0xFF,Word_dphi_down&0xFF);//dA_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = rint(dtUp*fclk/24);
uint16_t Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
write_register(fd,0x01,0x00,0x18,0x09,0x00); //rampe simple montante
Send_IO_Update(f_dds);
return EXIT_SUCCESS;
}
int ContinuePhaseSweep (int fd, int f_dds,double fclk,double dphiUp, double dphiDown, double PhiMax,double PhiMin, double DeltaTimeUp, double DeltaTimeDown)
{
//calcul de N => N=Deltaphi/dphi = DeltaT/dt
//1-phimax > phimin
double DeltaPhi = PhiMax-PhiMin;
if(PhiMax<PhiMin)
{
printf("PhiMax should be > PhiMin
");
printf("Can't Start the ramp
");
return -1;
}
//2- Calcul du nombre de points de la rampe
int NumberPointsUp = DeltaPhi/dphiUp;
int NumberPointsDown = DeltaPhi/dphiDown;
printf("NumberPointsUp = %d
",NumberPointsUp);
printf("NumberPointsDown = %d
",NumberPointsDown);
//3- En déduire la valeur de dtUp et dtDown
double dtUp = DeltaTimeUp/NumberPointsUp;
double dtDown = DeltaTimeDown/NumberPointsDown;
double dtmin = 24/fclk;
double dtmax = dtmin*(pow(2.0,16.0)-1);
//Check Up
if(dtUp<dtmin)
{
printf("During of ramp UP should be > %f s
",dtmin*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
if(dtUp>dtmax)
{
printf("During of ramp UP should be < %f
",dtmax*NumberPointsUp);
printf("Can't start the ramp
");
return -1;
}
//Check Down
if(dtDown<dtmin)
{
printf("During of ramp DOWN should be > %f s
",dtmin*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
if(dtDown>dtmax)
{
printf("During of ramp DOWN should be < %f
",dtmax*NumberPointsDown);
printf("Can't start the ramp
");
return -1;
}
//check if DeltaAmp is enouth
/*
double enouthUP=0.5*NumberPointsUp*100/4095;
double enouthDOWN=0.5*NumberPointsDown*100/4095;
int borneUP = rint(enouthUP);
int borneDown = rint(enouthDOWN);
if(DeltaAmp<=enouthUP)
{
printf("The amplitude difference should be > %d
, decrease Number Points for positive slope",borneUP);
//return -1;
}
if(DeltaAmp<=enouthDOWN)
{
printf("The amplitude difference should be > %d
, decrease Number Points for negative slope",borneDown);
//return -1;
}
*/
//4 - Put word in register
//4.1 Limit register
uint32_t WordPhimin = rint(PhiMin*65535/360);
uint32_t WordPhimax= rint(PhiMax*65535/360);
printf("WordPhimin = %.32x
",WordPhimin);
printf("WordPhimax = %.32x
",WordPhimax);
write_register(fd,0x04,WordPhimin>>24&0xFF,WordPhimin>>16&0xFF,WordPhimin>>8&0xFF,WordPhimin&0xFF); //min => lim-(Amp ) = 0x800 = Amax/2
Send_IO_Update(f_dds);
write_register(fd,0x05,WordPhimax>>24&0xFF,WordPhimax>>16&0xFF,WordPhimax>>8&0xFF,WordPhimax&0xFF);//max => lim+(Amp) = 0xFFF= Amax0
Send_IO_Update(f_dds);
//4.2 dphiUP et dphiDown
// uint32_t Word_dphi_up = rint(dphiUp*(pow(2.0,29.0)-1)/45);
// uint32_t Word_dphi_down = rint(dphiDown*(pow(2.0,29.0)-1)/45);
uint32_t Word_dphi_up = rint(dphiUp*(65535/360));
uint32_t Word_dphi_down = rint(dphiDown*(65535/360));
printf("Word_dphi_up = %.32x
",Word_dphi_up);
printf("Word_dphi_down = %.32x
",Word_dphi_down);
/*
write_register(fd,0x06,Word_dphi_up>>16&0xFF,Word_dphi_up>>8&0xFF,Word_dphi_up>>0&0xFF,Word_dphi_up&0xFF); //dphi_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dphi_down>>16&0xFF,Word_dphi_down>>8&0xFF,Word_dphi_down>>0&0xFF,Word_dphi_down&0xFF);//dphi_down
Send_IO_Update(f_dds);
*/
write_register(fd,0x06,Word_dphi_up>>24&0xFF,Word_dphi_up>>16&0xFF,Word_dphi_up>>8&0xFF,Word_dphi_up&0xFF); //dA_up
Send_IO_Update(f_dds);
write_register(fd,0x07,Word_dphi_down>>24&0xFF,Word_dphi_down>>16&0xFF,Word_dphi_down>>8&0xFF,Word_dphi_down&0xFF);//dA_down
Send_IO_Update(f_dds);
//4.3 dtUp et dtDown
uint16_t Word_dt_up = rint(dtUp*fclk/24);
uint16_t Word_dt_down = rint(dtDown*fclk/24);
write_register(fd,0x08,Word_dt_down>>8&0xFF,Word_dt_down&0xFF,Word_dt_up>>8&0xFF,Word_dt_up&0xFF); // il y a 2 dt
Send_IO_Update(f_dds);
//5 Start of the ramp
write_register(fd,0x01,0x00,0x9E,0x29,0x00); //rampe simple montante
Send_IO_Update(f_dds);
return EXIT_SUCCESS;
}
//-------------------------FIN FONCTIONS RAMPES HARDWARES
//--------------------------FONCTIONS RAMPES SOFTWARES
int RampAmpFromSoft(int fd, int f_dds,double DeltaTimeUp,double AIni, double AFin)
{
//On va plutôt fixé dA sinon trop de contrainte : => Besoin d'allocation dynamique
double dA=0.024;//en %
double DeltaAmp = AIni-AFin;
double AbsDeltaAmp = 0;
if(DeltaAmp>=0)
{
AbsDeltaAmp = DeltaAmp;
}
else
{
AbsDeltaAmp = -1*DeltaAmp;
}
int NumberPoints = AbsDeltaAmp/dA;
double dt=DeltaTimeUp/NumberPoints;
printf("Taille du tableau = %d
", NumberPoints);
printf("dt = %f s
",dt);
uint16_t* ArrayWordAmp= NULL;
ArrayWordAmp = malloc(NumberPoints*sizeof(uint16_t));
//extraction de la phase initiale et de l'amplitude
uint32_t ReadPhaseAmpWord = 0x00000000;
read_register(fd, 0x0c,&ReadPhaseAmpWord);
printf("ReadPhaseAmpWord = %.8x
", ReadPhaseAmpWord);
uint16_t WordPhaseInitiale = ReadPhaseAmpWord&0xFFFF;
printf("Phase = %.4x
", WordPhaseInitiale);
//
for(int i=0;i<NumberPoints;i++)
{
ArrayWordAmp[i]=rint((AIni+i*dA)*4096/100);
// printf("ArrayWordAmp[%d] = %.16x
", i, ArrayWordAmp[i]);
}
free(ArrayWordAmp);
printf("Array calculated
");
printf("Start of the ramp
");
for(int i=0;i<NumberPoints;i++)
{
write_register(fd,0x0c,ArrayWordAmp[i]>>8&0xFF,ArrayWordAmp[i]&0xFF,WordPhaseInitiale>>8&0xFF,WordPhaseInitiale&0xFF);
Send_IO_Update(f_dds);
usleep(1000000*dt);
}
/*
uint16_t PhaseWord = 0x0000;
uint16_t AmpWord = 0x0000;
uint32_t ReadPhaseAmpWord=0x00000000;
AmpWord = rint(amplitude*(pow(2.0,12.0)-1)/100);
read_register(fd,0x0c,&ReadPhaseAmpWord);
PhaseWord = ReadPhaseAmpWord&0xFFFF;
write_register(fd,0x0c,AmpWord>>8&0xFF,AmpWord&0xFF,PhaseWord>>8&0xFF,PhaseWord&0xFF);
*/
/*
//pas de durée dtUp et dtDown fixée au minimum à 1 ms
if(DeltaTimeUp < 4.095)
{
printf("Use hardware fonctions for the ramp
");
}
//
double DeltaAmp = AMax-AMin;
double dA = DeltaAmp/TAILLETAB;
printf("dA=%f
",dA);
if(dA<0.024)
{
printf("Amplitude step should be > 0.024 pourcent
");
printf("Impossible to start a ramp of amplitude
");
return -1;
}
//extraction de la phase initiale et de l'amplitude
uint32_t ReadPhaseAmpWord = 0x00000000;
read_register(fd, 0x0c,&ReadPhaseAmpWord);
printf("ReadPhaseAmpWord = %.8x
", ReadPhaseAmpWord);
uint16_t WordPhaseInitiale = ReadPhaseAmpWord&0xFFFF;
printf("Phase = %.4x
", WordPhaseInitiale);
uint16_t WordAmpInitiale = ReadPhaseAmpWord>>16&0xFFFF;
printf("Amp = %.4x
", WordAmpInitiale);
uint16_t Word_dA = rint(dA*4095/100);
uint32_t ArrayWordAmp[TAILLETAB];
for(int i=0;i<TAILLETAB;i++)
{
ArrayWordAmp[i]=WordAmpInitiale+i*Word_dA;
// printf("ArrayWordAmp[%d] = %.16x
", i, ArrayWordAmp[i]);
}
*/
return EXIT_SUCCESS;
}
int RampPhaseFromSoft(int fd, int f_dds,double DeltaTimeUp,double PhiIni, double PhiFin)
{
//On va plutôt fixé dphi : => Besoin d'allocation dynamique
double dphi=0.06;//en °
double DeltaPhi = PhiIni-PhiFin;
double AbsDeltaPhi = 0;
if(DeltaPhi>=0)
{
AbsDeltaPhi = DeltaPhi;
}
else
{
AbsDeltaPhi = -1*DeltaPhi;
}
int NumberPoints = AbsDeltaPhi/dphi;
double dt=DeltaTimeUp/NumberPoints;
printf("Taille du tableau = %d
", NumberPoints);
printf("dt = %f s
",dt);
uint16_t* ArrayWordPhi= NULL;
ArrayWordPhi = malloc(NumberPoints*sizeof(uint16_t));
//extraction de l'amplitude
uint32_t ReadPhaseAmpWord = 0x00000000;
read_register(fd, 0x0c,&ReadPhaseAmpWord);
printf("ReadPhaseAmpWord = %.8x
", ReadPhaseAmpWord);
uint16_t WordAmpInitiale = ReadPhaseAmpWord>>16&0xFFFF;
printf("Amp = %.4x
", WordAmpInitiale);
for(int i=0;i<NumberPoints;i++)
{
ArrayWordPhi[i]=rint((PhiIni+i*dphi)*65536/360);
}
free(ArrayWordPhi);
printf("Array calculated
");
printf("Start of the ramp
");
for(int i=0;i<NumberPoints;i++)
{
write_register(fd,0x0c,WordAmpInitiale>>8&0xFF,WordAmpInitiale&0xFF,ArrayWordPhi[i]>>8&0xFF,ArrayWordPhi[i]&0xFF);
Send_IO_Update(f_dds);
usleep(1000000*dt);
}
return EXIT_SUCCESS;
}
//-------------------------FIN FONCTIONS RAMPES SOFTWARES
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dfa91a3bc
libad9915 : add i...
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int receiveParameterFromPythonServer(char * device, double f_clk, double f_out){
printf("receiveParameterFromPythonServer::device=%s\tf_clk=%e\tf_out=%e
",device,f_clk,f_out);
return 0;
}
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