SPUC::cic< Numeric > Class Template Reference

class for CIC digital filter More...

#include <cic.h>

Public Member Functions
	cic (char n=3)
	Number of stages. More...
void	reset ()
	Reset. More...
void	num_stages (char n)
	To change the number of stages dynamically. More...
Numeric	interpolate (Numeric in=0, signed char dump=0)
	For CIC interpolation, non-zero dump implies new input. More...
Numeric	decimate (Numeric in, signed char dump)
	For CIC decimation, non-zero dump implies output required. More...

Protected Attributes
std::vector< Numeric >	diff
std::vector< Numeric >	nacc
	Differentiators. More...
std::vector< Numeric >	prev
	Accumulators. More...
char	stages
	Previous values. More...

Detailed Description

template<class Numeric>
class SPUC::cic< Numeric >

class for CIC digital filter

Implementation for cascaded integrator comb filters This implementation provides for both decimation and interpolation filtering. Registers are signed long and the default number of stages is 3.

Author

Tony Kirke

Constructor & Destructor Documentation

template<class Numeric>

SPUC::cic< Numeric >::cic ( char  n = 3 )

inline

Number of stages.

Constructor

References SPUC_ASSERT, and SPUC::cic< Numeric >::stages.

Member Function Documentation

template<class Numeric>

Numeric SPUC::cic< Numeric >::decimate ( Numeric  in, signed char  dump  )

inline

For CIC decimation, non-zero dump implies output required.

References SPUC::cic< Numeric >::stages.

Referenced by SPUC::cascaded_cic< Numeric >::clock(), and SPUC::scic< Numeric >::decimate().

template<class Numeric>

Numeric SPUC::cic< Numeric >::interpolate ( Numeric  in = 0, signed char  dump = 0  )

inline

For CIC interpolation, non-zero dump implies new input.

References SPUC::cic< Numeric >::stages.

Referenced by SPUC::cascaded_cic< Numeric >::clock(), and main().

template<class Numeric>

void SPUC::cic< Numeric >::num_stages ( char  n )

inline

To change the number of stages dynamically.

References SPUC_ASSERT, and SPUC::cic< Numeric >::stages.

Referenced by SPUC::cascaded_cic< Numeric >::cascaded_cic(), SPUC::cascaded_cic< Numeric >::num_stages(), and SPUC::scic< Numeric >::num_stages().

template<class Numeric>

void SPUC::cic< Numeric >::reset ( void  )

inline

Reset.

References SPUC::cic< Numeric >::stages.

Referenced by SPUC::cascaded_cic< Numeric >::reset().

Member Data Documentation

template<class Numeric>

std::vector<Numeric> SPUC::cic< Numeric >::diff

protected

template<class Numeric>

std::vector<Numeric> SPUC::cic< Numeric >::nacc

protected

Differentiators.

template<class Numeric>

std::vector<Numeric> SPUC::cic< Numeric >::prev

protected

Accumulators.

template<class Numeric>

char SPUC::cic< Numeric >::stages

protected

Previous values.

Referenced by SPUC::cic< Numeric >::cic(), SPUC::cic< Numeric >::decimate(), SPUC::cic< Numeric >::interpolate(), SPUC::cic< Numeric >::num_stages(), and SPUC::cic< Numeric >::reset().

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The documentation for this class was generated from the following file:

• cic.h