Subversion Repositories astron_r2sdf_fft

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--

-- Copyright 2020

-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>

-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands

-- 

-- Licensed under the Apache License, Version 2.0 (the "License");

-- you may not use this file except in compliance with the License.

-- You may obtain a copy of the License at

-- 

--     http://www.apache.org/licenses/LICENSE-2.0

-- 

-- Unless required by applicable law or agreed to in writing, software

-- distributed under the License is distributed on an "AS IS" BASIS,

-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-- See the License for the specific language governing permissions and

-- limitations under the License.

--

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-- Purpose:

-- Description:

--   Generates FFT testbenches (tb_rTwoSDF) for various g_in_dat_w and

--   g_nof_points. Note that twiddlePkg.vhd must be generated for the largest

--   value of g_nof_points used in this structure.

library ieee, common_pkg_lib;

use IEEE.std_logic_1164.all;

use IEEE.std_logic_unsigned.all;

use IEEE.numeric_std.all;

use IEEE.std_logic_textio.all;

use STD.textio.all;

use common_pkg_lib.common_pkg.all;

use work.rTwoSDFPkg.all;

entity tb_tb_rTwoSDF is

end entity tb_tb_rTwoSDF;

architecture tb of tb_tb_rTwoSDF is

  signal tb_end : std_logic := '0';  -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end'

begin

--  -- generics for tb

--  g_use_uniNoise_file : boolean  := true;

--  g_in_en             : natural  := 0;     -- 1 = always active, others = random control

--  -- generics for rTwoSDF

--  g_use_reorder       : boolean  := true;

--  g_nof_points        : natural  := 1024;

--  g_in_dat_w          : natural  := 8;   

--  g_out_dat_w         : natural  := 14;   

--  g_guard_w           : natural  := 2      -- guard bits are used to avoid overflow in single FFT stage.   

  --u_act_impulse_16p_16i_16o         : entity work.tb_rTwoSDF generic map (false, 1,  true,   16, 16, 16, 2);

  u_act_noise_1024p_8i_14o          : entity work.tb_rTwoSDF generic map (true,  1,  true, 1024,  8, 14, 2);

  u_rnd_noise_1024p_8i_14o          : entity work.tb_rTwoSDF generic map (true,  0,  true, 1024,  8, 14, 2);

  u_rnd_noise_1024p_8i_14o_flipped  : entity work.tb_rTwoSDF generic map (true,  0, false, 1024,  8, 14, 2);

end tb;