V4.0.1 of the ARM CMSIS DSP libraries. Note that arm_bitreversal2.s, arm_cfft_f32.c and arm_rfft_fast_f32.c had to be removed. arm_bitreversal2.s will not assemble with the online tools. So, the fast f32 FFT functions are not yet available. All the other FFT functions are available.
Dependents: MPU9150_Example fir_f32 fir_f32 MPU9150_nucleo_noni2cdev ... more
arm_fir_sparse_instance_q31 Struct Reference
Instance structure for the Q31 sparse FIR filter. More...
#include <arm_math.h>
Data Fields | |
uint16_t | numTaps |
number of coefficients in the filter. | |
uint16_t | stateIndex |
state buffer index. | |
q31_t * | pState |
points to the state buffer array. | |
q31_t * | pCoeffs |
points to the coefficient array. | |
uint16_t | maxDelay |
maximum offset specified by the pTapDelay array. | |
int32_t * | pTapDelay |
points to the array of delay values. |
Detailed Description
Instance structure for the Q31 sparse FIR filter.
Definition at line 4568 of file arm_math.h.
Field Documentation
uint16_t maxDelay |
maximum offset specified by the pTapDelay array.
Definition at line 4574 of file arm_math.h.
uint16_t numTaps |
number of coefficients in the filter.
Definition at line 4570 of file arm_math.h.
q31_t* pCoeffs |
points to the coefficient array.
The array is of length numTaps.
Definition at line 4573 of file arm_math.h.
q31_t* pState |
points to the state buffer array.
The array is of length maxDelay+blockSize-1.
Definition at line 4572 of file arm_math.h.
int32_t* pTapDelay |
points to the array of delay values.
The array is of length numTaps.
Definition at line 4575 of file arm_math.h.
uint16_t stateIndex |
state buffer index.
Points to the oldest sample in the state buffer.
Definition at line 4571 of file arm_math.h.
Generated on Tue Jul 12 2022 19:48:47 by 1.7.2