CMSIS-DSP
Version 1.10.0
CMSIS DSP Software Library
|
Functions | |
void | arm_radix2_butterfly_q31 (q31_t *pSrc, uint32_t fftLen, const q31_t *pCoef, uint16_t twidCoefModifier) |
void | arm_radix2_butterfly_inverse_q31 (q31_t *pSrc, uint32_t fftLen, const q31_t *pCoef, uint16_t twidCoefModifier) |
void | arm_bitreversal_q31 (q31_t *pSrc, uint32_t fftLen, uint16_t bitRevFactor, const uint16_t *pBitRevTab) |
In-place Q31 bit reversal function. More... | |
void | arm_cfft_radix2_q31 (const arm_cfft_radix2_instance_q31 *S, q31_t *pSrc) |
Processing function for the fixed-point CFFT/CIFFT. More... | |
void arm_bitreversal_q31 | ( | q31_t * | pSrc, |
uint32_t | fftLen, | ||
uint16_t | bitRevFactor, | ||
const uint16_t * | pBitRevTab | ||
) |
[in,out] | pSrc | points to in-place Q31 data buffer. |
[in] | fftLen | length of FFT. |
[in] | bitRevFactor | bit reversal modifier that supports different size FFTs with the same bit reversal table |
[in] | pBitRevTab | points to bit reversal table |
void arm_radix2_butterfly_inverse_q31 | ( | q31_t * | pSrc, |
uint32_t | fftLen, | ||
const q31_t * | pCoef, | ||
uint16_t | twidCoefModifier | ||
) |