/*
  dds initialisation et SPI 
  */
  
  #include <stdint.h>
  #include <unistd.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <getopt.h>
  #include <fcntl.h>
  #include <sys/ioctl.h>
  #include <linux/types.h>
  #include <linux/spi/spidev.h>
  /* memory management */
  #include <sys/mman.h>
  #include "spi.h"
  #include <string.h>
  #include <math.h>
  #include <time.h>
  
  
  static const char CFRAddress[] = {0x00,0x01,0x02,0x03};
  
  static const char CFR1Start[] ={0x00, 0x01, 0x00, 0x0a};
  //static const char CFR1Start[] ={0x00, 0x01, 0x01, 0x08}; //with osk enable
  static const char CFR2Start[] ={0x00, 0x80, 0x09, 0x00}; //0x80 enable prof mode
  static const char CFR3Start[] = {0x00, 0x00, 0x19, 0x1C};

  static const char CFR4Start[] =  {0x00, 0x05, 0x21, 0x20}; 
  //static const char CFR4Start[] =  {0x20, 0x21, 0x05, 0x00};
  

  
  static const char USR0Address = 0x1B;
  static const char FTW0Address = 0x0b; //profile 0 ftw
  static const char PA0Address = 0x0c; //profile 0 
  
  static const char DACCalEnable[] = {0x01, 0x05, 0x21, 0x20};  //Command to enable the DAC Cal, should be 0x01XXXXXX, where X is the last 6 digits of CFR4Start
  
  
  void Send_Reset(int f_dds);
  void Send_IO_Update (int f_dds);    //Send the update to set the control registers
  void write_register (int fd, unsigned char addr, unsigned char d3, unsigned char d2, unsigned char d1, unsigned char d0);

  void read_register (int fd, unsigned char addr, uint32_t *readword);
  void read_register_ini (int fd,unsigned char addr);

  void Initialize_DDS (int fd, int f_dds);
  void Calibrate_DAC(int fd, int f_dds);
  void basic_setup(int fd, int f_dds, uint16_t ampWord, uint16_t phaseWord);
  void modulus_setup(int fd, int f_dds); 
  void setFreqMM(int fd, int f_dds, unsigned int ftw, unsigned int A, unsigned int B);
  void setAmpPhaseWord(int fd, int f_dds,unsigned int phaseAmpWord);

  void checkSize(void);

  int openAndSetDdsFreq( char * device, char * gpio_update, double f_clk, double f_out, uint16_t ampWord, uint16_t phaseWord);
  int receiveParameterFromPythonServer(char * device, double f_clk, double f_out);
  int setDdsFreqFull ( int fd, int f_dds, double f_clk, double f_out, uint16_t ampWord, uint16_t phaseWord);
  

  //------------ DRCTL
  
  void Send_CTRL_UP(int fp);
  void Send_CTRL_DOWN(int fp);
  void Send_HOLD(int fp);
  void Send_UNHOLD(int fp);
  int testRampFreq(int fd, int f_dds, int fp);
  
  //-------Profile register mode
  
  int InitialisationProfile (int fd,int f_dds);
  int PutFrequencyAmpPhaseWord(int fd, int f_dds, double fout, double fclk,double amp, double phase);
  
  
  int PutFrequencyWord(int fd, int f_dds, double freq);//Attention uniquement valable pour fclk = 1 GHz
  int PutPhaseWord(int fd, int f_dds, double phase);
  int PutAmpWord(int fd, int f_dds, double amplitude);
  
  //fonctions rampes hardwres
  
  int FrequencySweep (int fd, int f_dds,double fclk,double dfUp, double dfDown, double FreqMax,double FreqMin, double DeltaTimeUp, double DeltaTimeDown);
  int ContinueFrequencySweep (int fd, int f_dds,double fclk,double dfUp, double dfDown, double FreqMax,double FreqMin, double DeltaTimeUp, double DeltaTimeDown);
  int AmplitudeSweep (int fd, int f_dds,double fclk,double dAUp, double dADown, double AMax,double AMin, double DeltaTimeUp, double DeltaTimeDown);
  int ContinueAmplitudeSweep (int fd, int f_dds,double fclk,double dAUp, double dADown, double AMax,double AMin, double DeltaTimeUp, double DeltaTimeDown);
  int PhaseSweep (int fd, int f_dds,double fclk,double dphiUp, double dphiDown, double PhiMax,double PhiMin, double DeltaTimeUp, double DeltaTimeDown);
  int ContinuePhaseSweep (int fd, int f_dds,double fclk,double dphiUp, double dphiDown, double PhiMax,double PhiMin, double DeltaTimeUp, double DeltaTimeDown);
  
  //fin fonctions rampes hardwares
  
  // fonctions rampes softwares
  
  int RampAmpFromSoft(int fd, int f_dds,double DeltaTimeUp,double AIni, double AFin);
  
  int RampPhaseFromSoft(int fd, int f_dds,double DeltaTimeUp,double PhiIni, double PhiFin);
  
  // fin fonctoins rampes softwares