Instance structure for the Q31 Biquad cascade filter. More...
#include <arm_math.h>
Public Attributes | |
| uint32_t | numStages |
| q31_t * | pCoeffs |
| uint8_t | postShift |
| q31_t * | pState |
Instance structure for the Q31 Biquad cascade filter.
Definition at line 1277 of file arm_math.h.
| 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 1279 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 1281 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 1282 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 1280 of file arm_math.h.