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arm_fir_interpolate_instance_q15 Struct Reference

arm_fir_interpolate_instance_q15 Struct Reference

Instance structure for the Q15 FIR interpolator. More...

#include <arm_math.h>

Data Fields

uint8_t L
 upsample factor.
uint16_t phaseLength
 length of each polyphase filter component.
q15_t * pCoeffs
 points to the coefficient array.
q15_t * pState
 points to the state variable array.

Detailed Description

Instance structure for the Q15 FIR interpolator.

Definition at line 3433 of file arm_math.h.


Field Documentation

uint8_t L

upsample factor.

Definition at line 3435 of file arm_math.h.

q15_t* pCoeffs

points to the coefficient array.

The array is of length L*phaseLength.

Definition at line 3437 of file arm_math.h.

uint16_t phaseLength

length of each polyphase filter component.

Definition at line 3436 of file arm_math.h.

q15_t* pState

points to the state variable array.

The array is of length blockSize+phaseLength-1.

Definition at line 3438 of file arm_math.h.