DFT32.h File Reference

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Data Structures
struct	dft32_data

Macros
#define	APPROX_NORM   1
#define	OCTAVES   5
#define	FIX_B_PER_O   24
#define	FIX_BINS   (FIX_B_PER_O * OCTAVES)
#define	BIN_CYCLE   (1 << OCTAVES)
#define	DFT_IIR   6

Functions
int	SetupDFTProgressive32 (dft32_data *dd)
	TODO.
void	UpdateBins32 (dft32_data *dd, const uint16_t *frequencies)
	TODO.
void	PushSample32 (dft32_data *dd, int16_t dat)
	TODO.
void	UpdateOutputBins32 (dft32_data *dd)
	TODO.

---

Data Structure Documentation

dft32_data

struct dft32_data

Data Fields
uint16_t	embeddedBins32[FIX_BINS]
uint8_t	sDoneFirstRun
uint16_t	sDatSpace32A[FIX_BINS *2]
int32_t	sDatSpace32B[FIX_BINS *2]
int32_t	sDatSpace32BOut[FIX_BINS *2]
uint8_t	Sdo_this_octave[BIN_CYCLE]
int32_t	sAccum_octave_bins[OCTAVES]
uint8_t	sWhichOctavePlace
uint16_t	embeddedBins[FIX_BINS]

Macro Definition Documentation

APPROX_NORM

#define APPROX_NORM   1

OCTAVES

#define OCTAVES   5

FIX_B_PER_O

#define FIX_B_PER_O   24

FIX_BINS

#define FIX_BINS   (FIX_B_PER_O * OCTAVES)

BIN_CYCLE

#define BIN_CYCLE   (1 << OCTAVES)

DFT_IIR

#define DFT_IIR   6

Function Documentation

SetupDFTProgressive32()

int SetupDFTProgressive32

(

dft32_data *

dd

)

TODO.

Parameters

dd

Returns

int

UpdateBins32()

void UpdateBins32	(	dft32_data *	dd,
		const uint16_t *	frequencies )

TODO.

Parameters

dd
frequencies

PushSample32()

void PushSample32	(	dft32_data *	dd,
		int16_t	dat )

TODO.

Parameters

dd
dat

UpdateOutputBins32()

void UpdateOutputBins32

(

dft32_data *

dd

)

TODO.

Parameters

dd