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CMSIS2000
0.0.7
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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 2016
| uint8_t arm_cfft_radix2_instance_f32::bitReverseFlag |
flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
См. определение в файле arm_math.h строка 2020
| uint16_t arm_cfft_radix2_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 2024
| uint16_t arm_cfft_radix2_instance_f32::fftLen |
length of the FFT.
См. определение в файле arm_math.h строка 2018
| uint8_t arm_cfft_radix2_instance_f32::ifftFlag |
flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
См. определение в файле arm_math.h строка 2019
| float32_t arm_cfft_radix2_instance_f32::onebyfftLen |
value of 1/fftLen.
См. определение в файле arm_math.h строка 2025
| uint16_t* arm_cfft_radix2_instance_f32::pBitRevTable |
points to the bit reversal table.
См. определение в файле arm_math.h строка 2022
| float32_t* arm_cfft_radix2_instance_f32::pTwiddle |
points to the Twiddle factor table.
См. определение в файле arm_math.h строка 2021
| uint16_t arm_cfft_radix2_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 2023