ngcdcsPREAMP.hpp

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#ifndef ngcdcsPREAMP_H
#define ngcdcsPREAMP_H
 
 
#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif
 
#include <ngc/core/ngcbAddr.h>
#include <ngc/core/ngcbMOD.hpp>
 
/*
 * I2C-bus addresses
 */
#define ngcdcsPREAMP_ADDR_GAIN1 0x20  //< gain register 1
#define ngcdcsPREAMP_ADDR_BW1   0x21  //< bandwidth register 1
#define ngcdcsPREAMP_ADDR_SA1   0x22  //< short/attn register 1
#define ngcdcsPREAMP_ADDR_VREF1 0x10  //< reference voltage register 1
#define ngcdcsPREAMP_ADDR_GAIN2 0x24  //< gain register 2
#define ngcdcsPREAMP_ADDR_BW2   0x25  //< bandwidth register 2
#define ngcdcsPREAMP_ADDR_SA2   0x26  //< short/attn register 2
#define ngcdcsPREAMP_ADDR_VREF2 0x2c  //< reference voltage register 2

#define ngcdcsPREAMP_MAX_CHAN 8

#define ngcdcsPREAMP_VREF_CMD 0x0

#define ngcdcsPREAMP_I2C_FLAGS 0x0040
 

struct ngcdcs_i2c_t {
  int addr;   //< I2C-bus address
  int value;  //< register mirror value
  int preset; //< preset flag           

  ngcdcs_i2c_t() {addr = 0x0; value = 0x0; preset = 0;}
};

class ngcdcsPREAMP: public ngcbMOD
{
public:
  explicit ngcdcsPREAMP(const ngcb_route_t &r);

  ngcdcsPREAMP(ngcbIFC *ifc, const ngcb_route_t &r);      

  virtual ~ngcdcsPREAMP();     

  int gain[ngcdcsPREAMP_MAX_CHAN];

  int bw[ngcdcsPREAMP_MAX_CHAN]; 

  int shortIn[ngcdcsPREAMP_MAX_CHAN];

  int attn[ngcdcsPREAMP_MAX_CHAN];

  int monitor; 

  double vref[ngcdcsPREAMP_MAX_CHAN];

  int numChan; 

  double version;  

  int vrefCmd;
 
  // I2C-bus flags
  int busCmd;   

  int invertSignal;                    

  virtual void Reset();

  virtual int Enable(int check = 1);

  virtual int Disable();

  virtual int Selftest();

  virtual int Invert(int flag);

  virtual int Gain(int idx, int value);

  virtual int Bandwidth(int idx, int value);

  virtual int ShortInput(int idx, int value); 

  virtual int Attn(int idx, int value);

  virtual int Monitor(int chan);

  virtual int Vref(int idx, double volt);     

  virtual int SetupKey(const char *key, const int *idx, const char *value, 
               int *status = NULL);

  virtual int StatusKey(const char *key, const int *idx, char *value, 
            int *status = NULL);
 
protected: 
 
private:
  void Init_();              

  ngcdcs_i2c_t gainReg_[2];

  ngcdcs_i2c_t bwReg_[2];

  ngcdcs_i2c_t saReg_[2]; 

  int Volt2Reg_(double);

  int ctrlReg_;              

  int vrefPreset_[ngcdcsPREAMP_MAX_CHAN];
};
 
#endif