FFT basic functionality. More...

#include "_Impl/IfxFft_cfg.h"
#include "Cpu/Std/IfxCpu_Intrinsics.h"
#include "Src/Std/IfxSrc.h"
#include "IfxFft_reg.h"
#include "IfxLmu_reg.h"

Enumerations
enum	IfxFft_Input { IfxFft_Input_complexSInt32 = 0, IfxFft_Input_realSInt32 = 1, IfxFft_Input_complexSInt16 = 2, IfxFft_Input_realSInt16 = 3 }
	Input format Definition in Ifx_FFT.CSR.B.IN.FMT. More...

enum	IfxFft_Length { IfxFft_Length_8 = 3, IfxFft_Length_16 = 4, IfxFft_Length_32 = 5, IfxFft_Length_64 = 6, IfxFft_Length_128 = 7, IfxFft_Length_256 = 8, IfxFft_Length_512 = 9, IfxFft_Length_1024 = 10 }
	Length of transform. Log base 2 of the required transform size. Length must be between 3 (transform of 8) and 11 (transform of 2048). Definition in Ifx_FFT.CSR.B.LENGTH. More...

enum	IfxFft_Operation { IfxFft_Operation_fft = 0, IfxFft_Operation_ifft = 1 }
	Operation (FFT / IFFT) Definition in Ifx_FFT.CSR.B.IFFT. More...

enum	IfxFft_Output { IfxFft_Output_complexSInt32 = 0, IfxFft_Output_complexSInt16 = 1 }
	Output format Definition in Ifx_FFT.CSR.B.OUT.FMT. More...

Functions
IFX_INLINE void	IfxFft_enableModule (Ifx_FFT fft, Ifx_LMU lmu)
	Enables the FFT module and also the LMU interface. More...

IFX_INLINE IfxFft_Input	IfxFft_getInputFormat (Ifx_FFT *fft)
	Returns the input format. More...

IFX_INLINE IfxFft_Length	IfxFft_getLength (Ifx_FFT *fft)
	Returns the length of the transform (length code, 3 to 10) More...

IFX_INLINE IfxFft_Length	IfxFft_getLengthCode (uint16 length)
	Converts the given input length into the transform length code, to write into Ifx_FFT.CSR.B.LENGTH. More...

IFX_INLINE uint16	IfxFft_getLengthFromCode (IfxFft_Length length)
	Retruns the actual length of the transform from the length code. More...

IFX_INLINE IfxFft_Output	IfxFft_getOutputFormat (Ifx_FFT *fft)
	Returns the output format. More...

IFX_INLINE volatile Ifx_SRC_SRCR *	IfxFft_getSrcPointerDone (Ifx_FFT *fft)
	Returns the status of FFT DONE request. More...

IFX_INLINE volatile Ifx_SRC_SRCR *	IfxFft_getSrcPointerRfs (Ifx_FFT *fft)
	Returns the status of FFT RFS request. More...

IFX_INLINE uint16	IfxFft_getTransformLength (Ifx_FFT *fft)
	Returns the actual length of the transform. More...

IFX_INLINE boolean	IfxFft_isEngineBusy (Ifx_FFT *fft)
	Returns the status of whether the FFT Engine is Idle or has at least one transform in operation. More...

IFX_INLINE boolean	IfxFft_isModuleEnabled (Ifx_FFT *fft)
	Returns the status of whether the module is enabled or not. More...

IFX_INLINE boolean	IfxFft_isReadyForStart (Ifx_FFT *fft)
	Returns the status of whether the module can accept a START operation or not. More...

Detailed Description

FFT basic functionality.

Version: iLLD_1_0_0_11_0

Copyright: Copyright (c) 2013 Infineon Technologies AG. All rights reserved.

                            IMPORTANT NOTICE

Infineon Technologies AG (Infineon) is supplying this file for use exclusively with Infineon's microcontroller products. This file can be freely distributed within development tools that are supporting such microcontroller products.

THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.

Definition in file IfxFft.h.

Enumerations

Functions

Detailed Description