Subversion Repositories pipelined_fft_128

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////  FFT/IFFT 128 points transform                              ////

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////  Authors: Anatoliy Sergienko, Volodya Lepeha                ////

////  Company: Unicore Systems http://unicore.co.ua              ////

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////  Downloaded from: http://www.opencores.org                  ////

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//// Copyright (C) 2006-2010 Unicore Systems LTD                 ////

//// www.unicore.co.ua                                           ////

//// o.uzenkov@unicore.co.ua                                     ////

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//// This source file may be used and distributed without        ////

//// restriction provided that this copyright statement is not   ////

//// removed from the file and that any derivative work contains ////

//// the original copyright notice and the associated disclaimer.////

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//// THIS SOFTWARE IS PROVIDED "AS IS"                           ////

//// AND ANY EXPRESSED OR IMPLIED WARRANTIES,                    ////

//// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED                  ////

//// WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT              ////

//// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.        ////

//// IN NO EVENT SHALL THE UNICORE SYSTEMS OR ITS                ////

//// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,            ////

//// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL            ////

//// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT         ////

//// OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,               ////

//// DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                 ////

//// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,              ////

//// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT              ////

//// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING                 ////

//// IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,                 ////

//// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.          ////

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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// DESCRIPTION  :        Parameter file

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

`timescale 10 ps / 1ps

//input data bit width

`define FFT128paramnb parameter nb=16;

//twiddle factor bit width

`define FFT128paramnw parameter nw=16;

//when is absent then FFT, when is present then IFFT

//`define FFT128paramifft ;

//buffer number 2 or 3

`define FFT128parambuffers3

// buffer type: 1 ports in RAMS else -2 ports RAMS

//`define FFT128bufferports1

//Coeficient  bit width is increased  to high

`define FFT128bitwidth_coef_high

//Rounding butterfly results

//`define FFT128round