32b/filter_so.h

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#ifndef _FILTER_SO_H_
#define _FILTER_SO_H_



// **************************************************************************
// the includes

#include "sw/modules/types/src/types.h"

#include "sw/modules/iqmath/src/32b/IQmathLib.h"





#ifdef __cplusplus
extern "C" {
#endif


// **************************************************************************
// the defines


// **************************************************************************
// the typedefs
 
typedef struct _FILTER_SO_
{    
  _iq     a1;          
  _iq     a2;          

  _iq     b0;          
  _iq     b1;          
  _iq     b2;          

  _iq     x1;          
  _iq     x2;          

  _iq     y1;          
  _iq     y2;          
} FILTER_SO_Obj;
                                                         

typedef struct _FILTER_SO_Obj_ *FILTER_SO_Handle;                            
                                                         

// **************************************************************************
// the globals


// **************************************************************************
// the globals


// **************************************************************************
// the function prototypes


static inline _iq FILTER_SO_get_a1(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->a1);
} // end of FILTER_SO_get_a1() function


static inline _iq FILTER_SO_get_a2(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->a2);
} // end of FILTER_SO_get_a2() function


static inline _iq FILTER_SO_get_b0(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->b0);
} // end of FILTER_SO_get_b0() function


static inline _iq FILTER_SO_get_b1(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->b1);
} // end of FILTER_SO_get_b1() function


static inline _iq FILTER_SO_get_b2(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->b2);
} // end of FILTER_SO_get_b2() function


static inline _iq FILTER_SO_get_x1(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->x1);
} // end of FILTER_SO_get_x1() function


static inline _iq FILTER_SO_get_x2(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->x2);
} // end of FILTER_SO_get_x2() function


static inline _iq FILTER_SO_get_y1(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->y1);
} // end of FILTER_SO_get_y1() function


static inline _iq FILTER_SO_get_y2(FILTER_SO_Handle handle)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  return(obj->y2);
} // end of FILTER_SO_get_y2() function


extern void FILTER_SO_getDenCoeffs(FILTER_SO_Handle handle,_iq *pa1,_iq *pa2);


extern void FILTER_SO_getInitialConditions(FILTER_SO_Handle handle,_iq *px1,_iq *px2,_iq *py1,_iq *py2);


extern void FILTER_SO_getNumCoeffs(FILTER_SO_Handle handle,_iq *pb0,_iq *pb1,_iq *pb2);


extern FILTER_SO_Handle FILTER_SO_init(void *pMemory,const size_t numBytes);


static inline _iq FILTER_SO_run(FILTER_SO_Handle handle,const _iq inputValue)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  _iq a1 = obj->a1;
  _iq a2 = obj->a2;
  _iq b0 = obj->b0;
  _iq b1 = obj->b1;
  _iq b2 = obj->b2;
  _iq x1 = obj->x1;
  _iq x2 = obj->x2;
  _iq y1 = obj->y1;
  _iq y2 = obj->y2;


  // compute the output
  _iq y0 = _IQmpy(b0,inputValue) + _IQmpy(b1,x1) + _IQmpy(b2,x2) 
    - _IQmpy(a1,y1) - _IQmpy(a2,y2);


  // store values for next time
  obj->x1 = inputValue;
  obj->x2 = x1;
  obj->y1 = y0;
  obj->y2 = y1;

  return(y0);
} // end of FILTER_SO_run() function


static inline _iq FILTER_SO_run_form_0(FILTER_SO_Handle handle,const _iq inputValue)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  _iq a1 = obj->a1;
  _iq a2 = obj->a2;
  _iq b0 = obj->b0;
  _iq y1 = obj->y1;
  _iq y2 = obj->y2;


  // compute the output
  _iq y0 = _IQmpy(b0,inputValue) - _IQmpy(a1,y1) - _IQmpy(a2,y2);


  // store values for next time
  obj->y1 = y0;
  obj->y2 = y1;

  return(y0);
} // end of FILTER_SO_run_form_0() function


static inline _iq FILTER_SO_run_form_1(FILTER_SO_Handle handle,const _iq inputValue)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  _iq a1 = obj->a1;
  _iq a2 = obj->a2;
  _iq b0 = obj->b0;
  _iq b1 = obj->b1;
  _iq x1 = obj->x1;
  _iq y1 = obj->y1;
  _iq y2 = obj->y2;


  // compute the output
  _iq y0 = _IQmpy(b0,inputValue) + _IQmpy(b1,x1)
    - _IQmpy(a1,y1) - _IQmpy(a2,y2);


  // store values for next time
  obj->x1 = inputValue;
  obj->y1 = y0;
  obj->y2 = y1;

  return(y0);
} // end of FILTER_SO_run_form_1() function


static inline void FILTER_SO_set_a1(FILTER_SO_Handle handle,const _iq a1)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->a1 = a1;

  return;
} // end of FILTER_SO_set_a1() function


static inline void FILTER_SO_set_a2(FILTER_SO_Handle handle,const _iq a2)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->a2 = a2;

  return;
} // end of FILTER_SO_set_a2() function


static inline void FILTER_SO_set_b0(FILTER_SO_Handle handle,const _iq b0)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->b0 = b0;

  return;
} // end of FILTER_SO_set_b0() function


static inline void FILTER_SO_set_b1(FILTER_SO_Handle handle,const _iq b1)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->b1 = b1;

  return;
} // end of FILTER_SO_set_b1() function


static inline void FILTER_SO_set_b2(FILTER_SO_Handle handle,const _iq b2)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->b2 = b2;

  return;
} // end of FILTER_SO_set_b2() function


static inline void FILTER_SO_set_x1(FILTER_SO_Handle handle,const _iq x1)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->x1 = x1;

  return;
} // end of FILTER_SO_set_x1() function


static inline void FILTER_SO_set_x2(FILTER_SO_Handle handle,const _iq x2)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->x2 = x2;

  return;
} // end of FILTER_SO_set_x2() function


static inline void FILTER_SO_set_y1(FILTER_SO_Handle handle,const _iq y1)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->y1 = y1;

  return;
} // end of FILTER_SO_set_y1() function


static inline void FILTER_SO_set_y2(FILTER_SO_Handle handle,const _iq y2)
{
  FILTER_SO_Obj *obj = (FILTER_SO_Obj *)handle;

  obj->y2 = y2;

  return;
} // end of FILTER_SO_set_y2() function


extern void FILTER_SO_setDenCoeffs(FILTER_SO_Handle handle,const _iq a1,const _iq a2);


extern void FILTER_SO_setInitialConditions(FILTER_SO_Handle handle,const _iq x1,const _iq x2,const _iq y1,const _iq y2);


extern void FILTER_SO_setNumCoeffs(FILTER_SO_Handle handle,const _iq b0,const _iq b1,const _iq b2);


#ifdef __cplusplus
}
#endif // extern "C"

#endif // end of _FILTER_SO_H_ definition