CMSIS DSP Software Library: arm_biquad_casd_df1_inst_q15 Struct Reference
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arm_biquad_casd_df1_inst_q15 Struct Reference
Instance structure for the Q15 Biquad cascade filter.
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#include <arm_math.h>
Data Fields
int8_t numStages
q15_t * pState
q15_t * pCoeffs
int8_t postShift
Detailed Description
Instance structure for the Q15 Biquad cascade filter.
Definition at line 1104 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 1106 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 1107 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 1108 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 1109 of file arm_math.h.
The documentation for this struct was generated from the following file:
arm_math.h
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