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arm_fir_sparse_instance_q31 Struct Reference

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

#include <arm_math.h>

Public Attributes

uint16_t numTaps
 
uint16_t stateIndex
 
q31_t * pState
 
q31_t * pCoeffs
 
uint16_t maxDelay
 
int32_t * pTapDelay
 

Detailed Description

Instance structure for the Q31 sparse FIR filter.

Member Data Documentation

uint16_t arm_fir_sparse_instance_q31::maxDelay

maximum offset specified by the pTapDelay array.

uint16_t arm_fir_sparse_instance_q31::numTaps

number of coefficients in the filter.

q31_t* arm_fir_sparse_instance_q31::pCoeffs

points to the coefficient array. The array is of length numTaps.

q31_t* arm_fir_sparse_instance_q31::pState

points to the state buffer array. The array is of length maxDelay+blockSize-1.

int32_t* arm_fir_sparse_instance_q31::pTapDelay

points to the array of delay values. The array is of length numTaps.

uint16_t arm_fir_sparse_instance_q31::stateIndex

state buffer index. Points to the oldest sample in the state buffer.

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