Moving average

Typedefs
typedef struct SDTAverage	SDTAverage
	Opaque data structure for a moving average filter object.
typedef struct SDTAverage	SDTAverage
	Opaque data structure for a moving average filter object.

Functions
SDTAverage *	SDTAverage_new (long size)
	Object constructor. More...
void	SDTAverage_free (SDTAverage *x)
	Object destructor. More...
void	SDTAverage_setWindow (SDTAverage *x, unsigned int i)
	Sets the averaging window. More...
double	SDTAverage_dsp (SDTAverage *x, double in)
	Signal processing routine. Call this function at sample rate to compute the filtered signal. More...

Detailed Description

Moving average filter, producing as output the average of the last input samples.

Function Documentation

double SDTAverage_dsp	(	SDTAverage *	x,
		double	in
	)

Signal processing routine. Call this function at sample rate to compute the filtered signal.

Parameters

[in]

in

Input sample

Returns

Output sample

void SDTAverage_free

(

SDTAverage *

x

)

Object destructor.

Parameters

[in]

x

Pointer to the instance to destroy

SDTAverage * SDTAverage_new

(

long

size

)

Object constructor.

Parameters

[in]

size

Moving average buffer size

Returns

Pointer to the new instance

void SDTAverage_setWindow	(	SDTAverage *	x,
		unsigned int	i
	)

Sets the averaging window.

Parameters

[in]

size

Moving average window size [1,bufferSize]