ics_helper.h

来自「软件无线电的平台」· C头文件 代码 · 共 43 行

/***************************************************************************
             ics_helper.h  -  Some useful functions
                            -------------------
    begin                :  2003
    authors              :  Linus Gasser
    emails               :  [e-mail]
***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
 03-12-01 - ineiti - create
 
**************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#ifndef ICS_HELPER_H__
#define ICS_HELPER_H__

#include "ics_dev.h"

void init_dma_s16_buffer( s16 *buf, int length, int type );

void init_dma_s32_buffer( struct ics_dev *board, int data_index, int type );

void hanning( double *x, int len );

void dft (double *fr, double *fi, double *gr, double *gi, int n);

void show_dft( s32 *data, int dft_len, int hold );

#endif