CMSIS DSP library
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arm_biquad_casd_df1_inst_q15 Struct Reference
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 * | pState |
Points to the array of state coefficients. | |
q15_t * | pCoeffs |
Points to the array of coefficients. | |
int8_t | postShift |
Additional shift, in bits, applied to each output sample. |
Detailed Description
Instance structure for the Q15 Biquad cascade filter.
Definition at line 1237 of file arm_math.h.
Field Documentation
int8_t numStages |
number of 2nd order stages in the filter.
Overall order is 2*numStages.
Definition at line 1239 of file arm_math.h.
q15_t* pCoeffs |
Points to the array of coefficients.
The array is of length 5*numStages.
Definition at line 1241 of file arm_math.h.
int8_t postShift |
Additional shift, in bits, applied to each output sample.
Definition at line 1242 of file arm_math.h.
q15_t* pState |
Points to the array of state coefficients.
The array is of length 4*numStages.
Definition at line 1240 of file arm_math.h.
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