Instance structure for the high precision Q31 Biquad cascade filter. More...
#include <arm_math.h>
Public Attributes | |
| uint8_t | numStages |
| const q31_t * | pCoeffs |
| uint8_t | postShift |
| q63_t * | pState |
Instance structure for the high precision Q31 Biquad cascade filter.
Definition at line 3711 of file arm_math.h.
| uint8_t arm_biquad_cas_df1_32x64_ins_q31::numStages |
number of 2nd order stages in the filter. Overall order is 2*numStages.
Definition at line 3713 of file arm_math.h.
| const q31_t* arm_biquad_cas_df1_32x64_ins_q31::pCoeffs |
points to the array of coefficients. The array is of length 5*numStages.
Definition at line 3715 of file arm_math.h.
| uint8_t arm_biquad_cas_df1_32x64_ins_q31::postShift |
additional shift, in bits, applied to each output sample.
Definition at line 3716 of file arm_math.h.
| q63_t* arm_biquad_cas_df1_32x64_ins_q31::pState |
points to the array of state coefficients. The array is of length 4*numStages.
Definition at line 3714 of file arm_math.h.