CMSIS2000
0.0.7
|
Instance structure for the floating-point CFFT/CIFFT function. Подробнее...
#include <arm_math.h>
Поля данных | |
uint8_t | bitReverseFlag |
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. | |
uint16_t | bitRevFactor |
bit reversal modifier that supports different size FFTs with the same bit reversal table. | |
uint16_t | fftLen |
length of the FFT. | |
uint8_t | ifftFlag |
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. | |
float32_t | onebyfftLen |
value of 1/fftLen. | |
uint16_t * | pBitRevTable |
points to the bit reversal table. | |
float32_t * | pTwiddle |
points to the twiddle factor table. | |
uint16_t | twidCoefModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. |
Instance structure for the floating-point CFFT/CIFFT function.
См. определение в файле arm_math.h строка 1969
uint8_t arm_cfft_radix4_instance_f32::bitReverseFlag |
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
См. определение в файле arm_math.h строка 1973
uint16_t arm_cfft_radix4_instance_f32::bitRevFactor |
bit reversal modifier that supports different size FFTs with the same bit reversal table.
См. определение в файле arm_math.h строка 1977
uint16_t arm_cfft_radix4_instance_f32::fftLen |
length of the FFT.
См. определение в файле arm_math.h строка 1971
uint8_t arm_cfft_radix4_instance_f32::ifftFlag |
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
См. определение в файле arm_math.h строка 1972
float32_t arm_cfft_radix4_instance_f32::onebyfftLen |
value of 1/fftLen.
См. определение в файле arm_math.h строка 1978
uint16_t* arm_cfft_radix4_instance_f32::pBitRevTable |
points to the bit reversal table.
См. определение в файле arm_math.h строка 1975
float32_t* arm_cfft_radix4_instance_f32::pTwiddle |
points to the twiddle factor table.
См. определение в файле arm_math.h строка 1974
uint16_t arm_cfft_radix4_instance_f32::twidCoefModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
См. определение в файле arm_math.h строка 1976