CMSIS-DSP
Version 1.10.0
CMSIS DSP Software Library
|
Functions | |
void | arm_radix2_butterfly_q15 (q15_t *pSrc, uint32_t fftLen, const q15_t *pCoef, uint16_t twidCoefModifier) |
void | arm_radix2_butterfly_inverse_q15 (q15_t *pSrc, uint32_t fftLen, const q15_t *pCoef, uint16_t twidCoefModifier) |
void | arm_bitreversal_q15 (q15_t *pSrc, uint32_t fftLen, uint16_t bitRevFactor, const uint16_t *pBitRevTab) |
In-place Q15 bit reversal function. More... | |
void | arm_cfft_radix2_q15 (const arm_cfft_radix2_instance_q15 *S, q15_t *pSrc) |
Processing function for the fixed-point CFFT/CIFFT. More... | |
void arm_bitreversal_q15 | ( | q15_t * | pSrc16, |
uint32_t | fftLen, | ||
uint16_t | bitRevFactor, | ||
const uint16_t * | pBitRevTab | ||
) |
[in,out] | pSrc16 | points to in-place Q15 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_q15 | ( | q15_t * | pSrc, |
uint32_t | fftLen, | ||
const q15_t * | pCoef, | ||
uint16_t | twidCoefModifier | ||
) |