apb_fft_Driver.c
79 lines
| 2.1 KiB
| text/x-c
|
CLexer
martin
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r65 | /*------------------------------------------------------------------------------ | ||
-- 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> | ||||
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r96 | #include "apb_delay_Driver.h" | ||
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r65 | |||
FFT_Device* openFFT(int count) | ||||
{ | ||||
FFT_Device* FFT0; | ||||
FFT0 = (FFT_Device*) apbgetdevice(LPP_FFT,VENDOR_LPP,count); | ||||
return FFT0; | ||||
} | ||||
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r96 | int FftInput(int * Tbl,FFT_Device* fft,DELAY_Device* delay) | ||
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r97 | { | ||
//printf("\nFftInput\n\n"); | ||||
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r96 | int i=0; | ||
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r65 | |||
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r97 | while((fft->ConfigReg & FFT_Fill) == FFT_Fill)// && (i<256)) // fill a 1 | ||
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r65 | { | ||
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r96 | fft->RWDataReg = Tbl[i]; | ||
i++; | ||||
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r97 | //Delay_us(delay,1); | ||
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r65 | } | ||
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r97 | |||
//printf("\nEnd In %d\n\n",i); | ||||
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r65 | return 0; | ||
} | ||||
int FftOutput(int * Tbl, FFT_Device* fft) | ||||
{ | ||||
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r97 | //printf("\nFftOutput\n\n"); | ||
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r96 | int i=0; | ||
int data; | ||||
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r65 | |||
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r96 | while((fft->ConfigReg & FFT_Ready) == FFT_Ready) // ready a 1 | ||
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r65 | { | ||
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r96 | data = fft->RWDataReg; | ||
Tbl[i] = (data >> 16) & Mask; | ||||
Tbl[i+1] = data & Mask; | ||||
i = i+2; | ||||
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r65 | } | ||
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r96 | |||
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r97 | //printf("\nEnd Out %d\n\n",i); | ||
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r96 | return i; | ||
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r65 | } | ||