arm_bitreversal.c File Reference

Functions
void	arm_bitreversal_f32 (float32_t *pSrc, uint16_t fftSize, uint16_t bitRevFactor, const uint16_t *pBitRevTab)
	In-place floating-point bit reversal function. More...
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_bitreversal_q15 (q15_t *pSrc16, uint32_t fftLen, uint16_t bitRevFactor, const uint16_t *pBitRevTab)
	In-place Q15 bit reversal function. More...

Function Documentation

void arm_bitreversal_f32	(	float32_t *	pSrc,
		uint16_t	fftSize,
		uint16_t	bitRevFactor,
		const uint16_t *	pBitRevTab
	)

Parameters

[in,out]	pSrc	points to in-place floating-point data buffer
[in]	fftSize	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

Returns

none

void arm_bitreversal_q15	(	q15_t *	pSrc16,
		uint32_t	fftLen,
		uint16_t	bitRevFactor,
		const uint16_t *	pBitRevTab
	)

Parameters

[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

Returns

none

void arm_bitreversal_q31	(	q31_t *	pSrc,
		uint32_t	fftLen,
		uint16_t	bitRevFactor,
		const uint16_t *	pBitRevTab
	)

Parameters

[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

Returns

none