Instance structure for the Q31 sparse FIR filter. More...

#include <arm_math.h>

Data Fields
uint16_t	numTaps
	number of coefficients in the filter.
uint16_t	stateIndex
	state buffer index.
q31_t *	pState
	points to the state buffer array.
q31_t *	pCoeffs
	points to the coefficient array.
uint16_t	maxDelay
	maximum offset specified by the pTapDelay array.
int32_t *	pTapDelay
	points to the array of delay values.

Detailed Description

Instance structure for the Q31 sparse FIR filter.

Definition at line 4444 of file arm_math.h.

Field Documentation

uint16_t maxDelay

maximum offset specified by the pTapDelay array.

Definition at line 4450 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 4446 of file arm_math.h.

points to the coefficient array.

The array is of length numTaps.

Definition at line 4449 of file arm_math.h.

q31_t* pState

points to the state buffer array.

The array is of length maxDelay+blockSize-1.

Definition at line 4448 of file arm_math.h.

points to the array of delay values.

The array is of length numTaps.

Definition at line 4451 of file arm_math.h.

state buffer index.

Points to the oldest sample in the state buffer.

Definition at line 4447 of file arm_math.h.