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

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arm_lms_instance_q15 Struct Reference

arm_lms_instance_q15 Struct Reference

Instance structure for the Q15 LMS filter. More...

#include <arm_math.h>

Data Fields

uint16_t numTaps
 number of coefficients in the filter.
q15_t * pState
 points to the state variable array.
q15_t * pCoeffs
 points to the coefficient array.
q15_t mu
 step size that controls filter coefficient updates.
uint32_t postShift
 bit shift applied to coefficients.

Detailed Description

Instance structure for the Q15 LMS filter.

Definition at line 4113 of file arm_math.h.


Field Documentation

q15_t mu

step size that controls filter coefficient updates.

Definition at line 4118 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 4115 of file arm_math.h.

q15_t* pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 4117 of file arm_math.h.

uint32_t postShift

bit shift applied to coefficients.

Definition at line 4119 of file arm_math.h.

q15_t* pState

points to the state variable array.

The array is of length numTaps+blockSize-1.

Definition at line 4116 of file arm_math.h.