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arm_fir_sparse_instance_q15 Struct Reference

arm_fir_sparse_instance_q15 Struct Reference

Instance structure for the Q15 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.
q15_t * pState
 points to the state buffer array.
q15_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 Q15 sparse FIR filter.

Definition at line 4735 of file arm_math.h.


Field Documentation

uint16_t maxDelay

maximum offset specified by the pTapDelay array.

Definition at line 4741 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 4737 of file arm_math.h.

q15_t* pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 4740 of file arm_math.h.

q15_t* pState

points to the state buffer array.

The array is of length maxDelay+blockSize-1.

Definition at line 4739 of file arm_math.h.

int32_t* pTapDelay

points to the array of delay values.

The array is of length numTaps.

Definition at line 4742 of file arm_math.h.

uint16_t stateIndex

state buffer index.

Points to the oldest sample in the state buffer.

Definition at line 4738 of file arm_math.h.