94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __HAL_HWFFT__
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#define __HAL_HWFFT__
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#ifdef __cplusplus
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extern "C" {
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#endif
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//#include "cmsis_os.h"
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#define HWFFT_USE_BUSY_WAIT 1
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#define HAVE_EQUIVALENT_MODE 1 /* 128in 128out not 128in 130out mode */
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struct hwfft_t {
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int mode;
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int order;
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int sym_fft;
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//osSemaphoreId _osSemaphoreId;
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// osSemaphoreDef_t _osSemaphoreDef;
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//#ifdef CMSIS_OS_RTX
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// uint32_t _semaphore_data[2];
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//#endif
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};
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enum hwfft_mode_t {
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HWFFT_MODE_FFT = 0x1,
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HWFFT_MODE_IFFT = 0x2,
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HWFFT_MODE_EQVL_FFT = 0x4,
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HWFFT_MODE_EQVL_IFFT = 0x8,
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};
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enum hwfft_order_t {
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HWFFT_ORDER_64SAMP = 64,
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HWFFT_ORDER_128SAMP = 128,
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HWFFT_ORDER_256SAMP = 256,
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HWFFT_ORDER_512SAMP = 512,
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};
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bool hwfft_is_enable(void);
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int hwfft_destroy(struct hwfft_t *fft_inst);
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>hwfft_t <EFBFBD>ṹ<EFBFBD><EFBFBD>
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mode: hwfft_mode_t<EFBFBD><EFBFBD><EFBFBD><EFBFBD>HWFFT_MODE_FFT: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱsym_fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0<EFBFBD><EFBFBD>
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ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n/2+1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱsym_fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<EFBFBD><EFBFBD>
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HWFFT_MODE_IFFT: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱsym_fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0<EFBFBD><EFBFBD>
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ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> n/2+1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱsym_fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<EFBFBD><EFBFBD>
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HWFFT_MODE_EQVL_FFT: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spx_fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>fftģʽ
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HWFFT_MODE_EQVL_IFFT: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>spx_ifft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ifftģʽ
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order: hwfft_order_t<EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD>֧<EFBFBD><EFBFBD> 512/256/128/64 <EFBFBD><EFBFBD><EFBFBD><EFBFBD> fft/ifft
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sym_fft: 1: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>fft<EFBFBD>ĶԳ<EFBFBD><EFBFBD><EFBFBD>;<EFBFBD><EFBFBD>fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n/2+1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>ifft<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> n/2+1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>n Ϊfft/ifft<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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0: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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int hwfft_create(struct hwfft_t *fft_inst, int mode, int order, int sym_fft);
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>fft/ifft
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fft_inst: hwfft_create<EFBFBD><EFBFBD><EFBFBD>ɵĶ<EFBFBD>Ӧ<EFBFBD>ṹ<EFBFBD><EFBFBD>
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in: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>buf
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out: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>buf
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*/
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int hwfft_fft_process(struct hwfft_t *fft_inst, short *in, short *out);
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> fft/ifft
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fft_inst: hwfft_create<EFBFBD><EFBFBD><EFBFBD>ɵĶ<EFBFBD>Ӧ<EFBFBD>ṹ<EFBFBD><EFBFBD>
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in: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>buf<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>fft<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>buf<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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out: <EFBFBD><EFBFBD><EFBFBD><EFBFBD>buf
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num: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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mode: 0 һֱ<EFBFBD>ȵ<EFBFBD>fft<EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŷ<EFBFBD><EFBFBD><EFBFBD>
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1 dma<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD>fft<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɷ<EFBFBD><EFBFBD>أ<EFBFBD>cpu<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD>fft ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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int hwfft_multifft_process(struct hwfft_t *fft_inst, short *in, short *out, unsigned short num,unsigned char mode);
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#ifdef __cplusplus
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}
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#endif
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#endif
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