Instance structure for the Q15 RFFT/RIFFT function. More...
#include <arm_math.h>
Public Attributes | |
| uint8_t | bitReverseFlagR |
| uint32_t | fftLenReal |
| uint8_t | ifftFlagR |
| const arm_cfft_instance_q15 * | pCfft |
| q15_t * | pTwiddleAReal |
| q15_t * | pTwiddleBReal |
| uint32_t | twidCoefRModifier |
Instance structure for the Q15 RFFT/RIFFT function.
Definition at line 2263 of file arm_math.h.
| uint8_t arm_rfft_instance_q15::bitReverseFlagR |
flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output.
Definition at line 2267 of file arm_math.h.
| uint32_t arm_rfft_instance_q15::fftLenReal |
length of the real FFT.
Definition at line 2265 of file arm_math.h.
| uint8_t arm_rfft_instance_q15::ifftFlagR |
flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
Definition at line 2266 of file arm_math.h.
| const arm_cfft_instance_q15* arm_rfft_instance_q15::pCfft |
points to the complex FFT instance.
Definition at line 2271 of file arm_math.h.
| q15_t* arm_rfft_instance_q15::pTwiddleAReal |
points to the real twiddle factor table.
Definition at line 2269 of file arm_math.h.
| q15_t* arm_rfft_instance_q15::pTwiddleBReal |
points to the imag twiddle factor table.
Definition at line 2270 of file arm_math.h.
| uint32_t arm_rfft_instance_q15::twidCoefRModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
Definition at line 2268 of file arm_math.h.