Instance structure for the Q31 CFFT/CIFFT function. More...
#include <arm_math.h>
Data Fields | |
uint16_t | fftLen |
uint8_t | ifftFlag |
uint8_t | bitReverseFlag |
q31_t * | pTwiddle |
uint16_t * | pBitRevTable |
uint16_t | twidCoefModifier |
uint16_t | bitRevFactor |
Instance structure for the Q31 CFFT/CIFFT function.
Definition at line 1832 of file arm_math.h.
uint16_t arm_cfft_radix4_instance_q31::fftLen |
length of the FFT.
Definition at line 1834 of file arm_math.h.
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
Definition at line 1835 of file arm_math.h.
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
Definition at line 1836 of file arm_math.h.
points to the twiddle factor table.
Definition at line 1837 of file arm_math.h.
points to the bit reversal table.
Definition at line 1838 of file arm_math.h.
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 1839 of file arm_math.h.
bit reversal modifier that supports different size FFTs with the same bit reversal table.
Definition at line 1840 of file arm_math.h.