Instance structure for the Q31 FIR decimator. More...

#include <arm_math.h>

Data Fields
uint8_t	M
	decimation factor.
uint16_t	numTaps
	number of coefficients in the filter.
q31_t *	pCoeffs
	points to the coefficient array.
q31_t *	pState
	points to the state variable array.

Detailed Description

Instance structure for the Q31 FIR decimator.

Definition at line 3281 of file arm_math.h.

Field Documentation

uint8_t M

decimation factor.

Definition at line 3283 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 3284 of file arm_math.h.

points to the coefficient array.

The array is of length numTaps.

Definition at line 3285 of file arm_math.h.

q31_t* pState

points to the state variable array.

The array is of length numTaps+blockSize-1.

Definition at line 3286 of file arm_math.h.