Instance structure for the Q31 Biquad cascade filter. More...

#include <arm_math.h>

Data Fields
uint32_t	numStages
	number of 2nd order stages in the filter.
q31_t *	pCoeffs
	Points to the array of coefficients.
uint8_t	postShift
	Additional shift, in bits, applied to each output sample.
q31_t *	pState
	Points to the array of state coefficients.

Detailed Description

Instance structure for the Q31 Biquad cascade filter.

Definition at line 1232 of file arm_math.h.

Field Documentation

uint32_t arm_biquad_casd_df1_inst_q31::numStages

number of 2nd order stages in the filter.

Overall order is 2*numStages.

Definition at line 1234 of file arm_math.h.

q31_t* arm_biquad_casd_df1_inst_q31::pCoeffs

Points to the array of coefficients.

The array is of length 5*numStages.

Definition at line 1236 of file arm_math.h.

uint8_t arm_biquad_casd_df1_inst_q31::postShift

Additional shift, in bits, applied to each output sample.

Definition at line 1237 of file arm_math.h.

q31_t* arm_biquad_casd_df1_inst_q31::pState

Points to the array of state coefficients.

The array is of length 4*numStages.

Definition at line 1235 of file arm_math.h.

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