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arm_fir_decimate_instance_q15 Struct Reference

arm_fir_decimate_instance_q15 Struct Reference

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

#include <arm_math.h>

Data Fields

uint8_t M
 decimation factor.
uint16_t numTaps
 number of coefficients in the filter.
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 decimator.

Definition at line 3447 of file arm_math.h.


Field Documentation

uint8_t M

decimation factor.

Definition at line 3449 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 3450 of file arm_math.h.

q15_t* pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 3451 of file arm_math.h.

q15_t* pState

points to the state variable array.

The array is of length numTaps+blockSize-1.

Definition at line 3452 of file arm_math.h.