|
|
/*------------------------------------------------------------------------------
|
|
|
-- This file is a part of the LPP VHDL IP LIBRARY
|
|
|
-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
|
|
|
--
|
|
|
-- 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 3 of the License, or
|
|
|
-- (at your option) any later version.
|
|
|
--
|
|
|
-- This program is distributed in the hope that it will be useful,
|
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
-- GNU General Public License for more details.
|
|
|
--
|
|
|
-- You should have received a copy of the GNU General Public License
|
|
|
-- along with this program; if not, write to the Free Software
|
|
|
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
-------------------------------------------------------------------------------
|
|
|
-- Author : Martin Morlot
|
|
|
-- Mail : martin.morlot@lpp.polytechnique.fr
|
|
|
-----------------------------------------------------------------------------*/
|
|
|
#include "apb_fft_Driver.h"
|
|
|
#include "lpp_apb_functions.h"
|
|
|
#include <stdio.h>
|
|
|
#include "apb_delay_Driver.h"
|
|
|
|
|
|
|
|
|
FFT_Device* openFFT(int count)
|
|
|
{
|
|
|
FFT_Device* FFT0;
|
|
|
FFT0 = (FFT_Device*) apbgetdevice(LPP_FFT,VENDOR_LPP,count);
|
|
|
return FFT0;
|
|
|
}
|
|
|
|
|
|
|
|
|
int FftInput(int * Tbl,FFT_Device* fft,DELAY_Device* delay)
|
|
|
{
|
|
|
//printf("\nFftInput\n\n");
|
|
|
int i=0;
|
|
|
|
|
|
while((fft->ConfigReg & FFT_Fill) == FFT_Fill)// && (i<256)) // fill a 1
|
|
|
{
|
|
|
fft->RWDataReg = Tbl[i];
|
|
|
i++;
|
|
|
//Delay_us(delay,1);
|
|
|
}
|
|
|
|
|
|
//printf("\nEnd In %d\n\n",i);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
|
|
|
int FftOutput(int * Tbl, FFT_Device* fft)
|
|
|
{
|
|
|
//printf("\nFftOutput\n\n");
|
|
|
int i=0;
|
|
|
int data;
|
|
|
|
|
|
while((fft->ConfigReg & FFT_Ready) == FFT_Ready) // ready a 1
|
|
|
{
|
|
|
data = fft->RWDataReg;
|
|
|
Tbl[i] = (data >> 16) & Mask;
|
|
|
Tbl[i+1] = data & Mask;
|
|
|
i = i+2;
|
|
|
}
|
|
|
|
|
|
//printf("\nEnd Out %d\n\n",i);
|
|
|
return i;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|