Instance structure for the Q15 Biquad cascade filter. More...

#include <arm_math.h>

Data Fields
int8_t	numStages
	number of 2nd order stages in the filter.
q15_t *	pCoeffs
	Points to the array of coefficients.
int8_t	postShift
	Additional shift, in bits, applied to each output sample.
q15_t *	pState
	Points to the array of state coefficients.

Detailed Description

Instance structure for the Q15 Biquad cascade filter.

Definition at line 1219 of file arm_math.h.

Field Documentation

int8_t arm_biquad_casd_df1_inst_q15::numStages

number of 2nd order stages in the filter.

Overall order is 2*numStages.

Definition at line 1221 of file arm_math.h.

q15_t* arm_biquad_casd_df1_inst_q15::pCoeffs

Points to the array of coefficients.

The array is of length 5*numStages.

Definition at line 1223 of file arm_math.h.

int8_t arm_biquad_casd_df1_inst_q15::postShift

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

Definition at line 1224 of file arm_math.h.

q15_t* arm_biquad_casd_df1_inst_q15::pState

Points to the array of state coefficients.

The array is of length 4*numStages.

Definition at line 1222 of file arm_math.h.

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