Instance structure for the Q15 sparse FIR filter. More...

#include <arm_math.h>

Data Fields
uint16_t	maxDelay
	maximum offset specified by the pTapDelay array.
uint16_t	numTaps
	number of coefficients in the filter.
q15_t *	pCoeffs
	points to the coefficient array.
q15_t *	pState
	points to the state buffer array.
int32_t *	pTapDelay
	points to the array of delay values.
uint16_t	stateIndex
	state buffer index.

Detailed Description

Instance structure for the Q15 sparse FIR filter.

Definition at line 4838 of file arm_math.h.

Field Documentation

uint16_t arm_fir_sparse_instance_q15::maxDelay

maximum offset specified by the pTapDelay array.

Definition at line 4844 of file arm_math.h.

uint16_t arm_fir_sparse_instance_q15::numTaps

number of coefficients in the filter.

Definition at line 4840 of file arm_math.h.

q15_t* arm_fir_sparse_instance_q15::pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 4843 of file arm_math.h.

q15_t* arm_fir_sparse_instance_q15::pState

points to the state buffer array.

The array is of length maxDelay+blockSize-1.

Definition at line 4842 of file arm_math.h.

int32_t* arm_fir_sparse_instance_q15::pTapDelay

points to the array of delay values.

The array is of length numTaps.

Definition at line 4845 of file arm_math.h.

uint16_t arm_fir_sparse_instance_q15::stateIndex

state buffer index.

Points to the oldest sample in the state buffer.

Definition at line 4841 of file arm_math.h.

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