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############################################################################/
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##
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## Filename: fftgen.v
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##
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## Project: A Doubletime Pipelined FFT
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##
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## Purpose: This is the main Makefile for the FFT core generator.
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## It is very simple in its construction, the most complicated
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## parts being the building of the Verilator simulation--a
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## step that may not be required for your project.
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##
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## To build the FFT generator, just type 'make' on a line
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## by itself. For a quick tutorial in how to run the
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## generator, just type './fftgen -h' to read the usage()
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## statement.
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##
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## Creator: Dan Gisselquist, Ph.D.
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## Gisselquist Tecnology, LLC
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##
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##########################################################################/
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##
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## Copyright (C) 2015, Gisselquist Technology, LLC
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##
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## This program is free software (firmware): you can redistribute it and/or
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## modify it under the terms of the GNU General Public License as published
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## by the Free Software Foundation, either version 3 of the License, or (at
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## your option) any later version.
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##
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## This program is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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## for more details.
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##
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## You should have received a copy of the GNU General Public License along
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## with this program. (It's in the $(ROOT)/doc directory, run make with no
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## target there if the PDF file isn't present.) If not, see
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## for a copy.
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##
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## License: GPL, v3, as defined and found on www.gnu.org,
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## http:##www.gnu.org/licenses/gpl.html
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##
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##
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##########################################################################/
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##
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##
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# This is really simple ...
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# This is really simple ...
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all: fftgen
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all: fftgen
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CORED := fft-core
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CORED := fft-core
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OBJDR := $(CORED)/obj_dir
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OBJDR := $(CORED)/obj_dir
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$(CXX) -c $< -o $@
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$(CXX) -c $< -o $@
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.PHONY: test
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.PHONY: test
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test: fft ifft shiftaddmpy butterfly dblreverse qtrstage dblstage fftstage_o2048
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test: fft ifft shiftaddmpy butterfly dblreverse qtrstage dblstage fftstage_o2048
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#
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# Although these parameters, a 2048 point FFT of 16 bits input, aren't
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# the only parameters the FFT can do, they are the ones that the test
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# benches depend upon. If you change these, and you are welcome to do so,
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# you may need to adjust the test benches if you wish to prove that your
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# changes work.
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#
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.PHONY: fft
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.PHONY: fft
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fft: fftgen
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fft: fftgen
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./fftgen -f 2048 -n 16
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./fftgen -f 2048 -n 16
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cd $(CORED)/; verilator -cc fftmain.v
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cd $(CORED)/; verilator -cc fftmain.v
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cd $(OBJDR); make -f Vfftmain.mk
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cd $(OBJDR); make -f Vfftmain.mk
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