CMSIS2000
0.0.7
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Instance structure for the Q31 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. | |
uint16_t * | pBitRevTable |
points to the bit reversal table. | |
q31_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 Q31 CFFT/CIFFT function.
См. определение в файле arm_math.h строка 1953
uint8_t arm_cfft_radix4_instance_q31::bitReverseFlag |
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
См. определение в файле arm_math.h строка 1957
uint16_t arm_cfft_radix4_instance_q31::bitRevFactor |
bit reversal modifier that supports different size FFTs with the same bit reversal table.
См. определение в файле arm_math.h строка 1961
uint16_t arm_cfft_radix4_instance_q31::fftLen |
length of the FFT.
См. определение в файле arm_math.h строка 1955
uint8_t arm_cfft_radix4_instance_q31::ifftFlag |
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
См. определение в файле arm_math.h строка 1956
uint16_t* arm_cfft_radix4_instance_q31::pBitRevTable |
points to the bit reversal table.
См. определение в файле arm_math.h строка 1959
q31_t* arm_cfft_radix4_instance_q31::pTwiddle |
points to the twiddle factor table.
См. определение в файле arm_math.h строка 1958
uint16_t arm_cfft_radix4_instance_q31::twidCoefModifier |
twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
См. определение в файле arm_math.h строка 1960