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-- Author: Eric Kooistra : kooistra at astron.nl: july 2016
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--------------------------------------------------------------------------------
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--
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-- Copyright (C) 2016
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-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
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-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at 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,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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--
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--------------------------------------------------------------------------------
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--
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-- Purpose: Test bench for wpfb_unit_dev.vhd using file data
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--
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-- Description:
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-- This tb uses the Matlab stimuli and expected results obtained with:
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--
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-- $RADIOHDL_WORK/applications/apertif/matlab/run_pfb.m
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-- $RADIOHDL_WORK/applications/apertif/matlab/run_pfb_complex.m
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--
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-- For more description see:
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-- . tb_fil_ppf_wide_file_data.vhd
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-- . tb_fft_r2_wide.vhd
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--
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-- Remark:
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-- . tb supports wb_factor = 1 and wb_factor > 1
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-- . tb supports use_separate for complex and two real input
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-- . tb supports use_reorder for complex input with flipped or reordered output
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-- . tb supports use_reorder for two real input with reordered output
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-- . tb does support nof_wb_streams > 1
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-- . tb does support nof_chan > 0
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--
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-- Usage:
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-- > run -all
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-- > testbench is selftesting.
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-- > observe the *_scope signals as radix decimal, format analogue format
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-- signals in the Wave window
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--
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library ieee, common_pkg_lib, dp_pkg_lib, astron_filter_lib, astron_r2sdf_fft_lib, astron_wb_fft_lib, astron_ram_lib, astron_mm_lib, dp_components_lib, astron_sim_tools_lib;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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use IEEE.std_logic_textio.all;
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use std.textio.all;
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use common_pkg_lib.common_pkg.all;
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use astron_ram_lib.common_ram_pkg.ALL;
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use common_pkg_lib.common_lfsr_sequences_pkg.ALL;
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use common_pkg_lib.tb_common_pkg.all;
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use astron_mm_lib.tb_common_mem_pkg.ALL;
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use dp_pkg_lib.dp_stream_pkg.all;
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use astron_filter_lib.fil_pkg.all;
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use astron_r2sdf_fft_lib.rTwoSDFPkg.all;
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use astron_wb_fft_lib.fft_pkg.all;
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use astron_wb_fft_lib.tb_fft_pkg.all;
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use work.wpfb_pkg.all;
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entity tb_wpfb_unit_wide is
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generic(
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-- DUT generics
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g_wpfb : t_wpfb := (4, 32, 0, 1,
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16, 1, 8, 16, 16,
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true, false, true, 16, 16, 1, c_dsp_mult_w, 2, true, 56, 2, 20,
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c_fft_pipeline, c_fft_pipeline, c_fil_ppf_pipeline);
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-- type t_wpfb is record
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-- -- General parameters for the wideband poly phase filter
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-- wb_factor : natural; -- = default 4, wideband factor
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-- nof_points : natural; -- = 1024, N point FFT (Also the number of subbands for the filter part)
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-- nof_chan : natural; -- = default 0, defines the number of channels (=time-multiplexed input signals): nof channels = 2**nof_chan
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-- nof_wb_streams : natural; -- = 1, the number of parallel wideband streams. The filter coefficients are shared on every wb-stream.
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--
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-- -- Parameters for the poly phase filter
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-- nof_taps : natural; -- = 16, the number of FIR taps per subband
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-- fil_backoff_w : natural; -- = 0, number of bits for input backoff to avoid output overflow
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-- fil_in_dat_w : natural; -- = 8, number of input bits
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-- fil_out_dat_w : natural; -- = 16, number of output bits
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-- coef_dat_w : natural; -- = 16, data width of the FIR coefficients
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--
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-- -- Parameters for the FFT
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-- use_reorder : boolean; -- = false for bit-reversed output, true for normal output
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-- use_fft_shift : boolean; -- = false for [0, pos, neg] bin frequencies order, true for [neg, 0, pos] bin frequencies order in case of complex input
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-- use_separate : boolean; -- = false for complex input, true for two real inputs
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-- fft_in_dat_w : natural; -- = 16, number of input bits
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-- fft_out_dat_w : natural; -- = 13, number of output bits
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-- fft_out_gain_w : natural; -- = 0, output gain factor applied after the last stage output, before requantization to out_dat_w
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-- stage_dat_w : natural; -- = 18, number of bits that are used inter-stage
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-- guard_w : natural; -- = 2
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-- guard_enable : boolean; -- = true
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--
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-- -- Parameters for the statistics
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-- stat_data_w : positive; -- = 56
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-- stat_data_sz : positive; -- = 2
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-- nof_blk_per_sync : natural; -- = 800000, number of FFT output blocks per sync interval
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--
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-- -- Pipeline parameters for both poly phase filter and FFT. These are heritaged from the filter and fft libraries.
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-- pft_pipeline : t_fft_pipeline; -- Pipeline settings for the pipelined FFT
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-- fft_pipeline : t_fft_pipeline; -- Pipeline settings for the parallel FFT
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-- fil_pipeline : t_fil_ppf_pipeline; -- Pipeline settings for the filter units
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-- end record;
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-- TB generics
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g_diff_margin : integer := 5; -- maximum difference between HDL output and expected output (> 0 to allow minor rounding differences)
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-- for complex diff margin = 3 appears sufficient
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-- for two_real diff margin = 5 appears sufficient
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-- if stage_dat_w >> 18 >= fft_out_dat_w then g_diff_margin = 1 is sufficient
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-- PFIR coefficients
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g_coefs_file_prefix_ab : string := "data/run_pfb_m_pfir_coeff_fircls1";
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g_coefs_file_prefix_c : string := "data/run_pfb_complex_m_pfir_coeff_fircls1";
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-- Two real input data files A and B used when g_fft.use_separate = true
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-- * 1024 points = 512 subbands
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--g_data_file_a : string := "data/run_pfb_m_sinusoid_chirp_8b_16taps_1024points_16b_16b.dat";
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--g_data_file_a_nof_lines : natural := 204800;
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--g_data_file_b : string := "UNUSED";
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--g_data_file_b_nof_lines : natural := 0;
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-- * 32 points = 16 subbands
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--g_data_file_a : string := "data/run_pfb_m_sinusoid_chirp_8b_16taps_32points_16b_16b.dat";
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--g_data_file_a_nof_lines : natural := 6400;
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g_data_file_a : string := "data/run_pfb_m_sinusoid_8b_16taps_32points_16b_16b.dat";
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g_data_file_a_nof_lines : natural := 1600;
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--g_data_file_b : string := "data/run_pfb_m_impulse_chirp_8b_16taps_32points_16b_16b.dat";
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--g_data_file_b_nof_lines : natural := 6400;
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g_data_file_b : string := "UNUSED";
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g_data_file_b_nof_lines : natural := 0;
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-- One complex input data file C used when g_fft.use_separate = false
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-- * 64 points = 64 channels
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--g_data_file_c : string := "data/run_pfb_complex_m_phasor_chirp_8b_16taps_64points_16b_16b.dat";
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--g_data_file_c_nof_lines : natural := 12800;
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--g_data_file_c : string := "data/run_pfb_complex_m_phasor_8b_16taps_64points_16b_16b.dat";
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--g_data_file_c_nof_lines : natural := 320;
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--g_data_file_c : string := "data/run_pfb_complex_m_noise_8b_16taps_64points_16b_16b.dat";
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--g_data_file_c_nof_lines : natural := 640;
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-- * 32 points = 32 channels
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--g_data_file_c : string := "data/run_pfb_complex_m_phasor_chirp_8b_16taps_32points_16b_16b.dat";
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--g_data_file_c_nof_lines : natural := 6400;
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--g_data_file_c : string := "data/run_pfb_complex_m_phasor_8b_16taps_32points_16b_16b.dat";
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--g_data_file_c_nof_lines : natural := 1600;
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g_data_file_c : string := "data/run_pfb_complex_m_noise_complex_8b_16taps_32points_16b_16b.dat";
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g_data_file_c_nof_lines : natural := 1600;
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g_data_file_nof_lines : natural := 1600; -- actual number of lines with input data to simulate from the data files, must be <= g_data_file_*_nof_lines
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g_enable_in_val_gaps : boolean := FALSE -- when false then in_val flow control active continuously, else with random inactive gaps
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);
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end entity tb_wpfb_unit_wide;
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architecture tb of tb_wpfb_unit_wide is
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constant c_big_endian_wb_in : boolean := true;
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constant c_clk_period : time := 10 ns;
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constant c_sclk_period : time := c_clk_period / g_wpfb.wb_factor;
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constant c_in_complex : boolean := not g_wpfb.use_separate;
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constant c_nof_channels : natural := 2**g_wpfb.nof_chan;
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constant c_nof_coefs : natural := g_wpfb.nof_taps * g_wpfb.nof_points; -- nof PFIR coef
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constant c_nof_data_per_block : natural := g_wpfb.nof_points * c_nof_channels;
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constant c_nof_valid_per_block : natural := c_nof_data_per_block / g_wpfb.wb_factor;
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constant c_rnd_factor : natural := sel_a_b(g_enable_in_val_gaps, 3, 1);
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constant c_dut_block_latency : natural := func_wpfb_maximum_sop_latency(g_wpfb); -- choose large enough for output to have become available
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constant c_dut_clk_latency : natural := c_nof_valid_per_block * c_dut_block_latency * c_rnd_factor; -- worst case
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-- PFIR coefficients file access
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constant c_coefs_dat_file_prefix : string := sel_a_b(c_in_complex, g_coefs_file_prefix_c, g_coefs_file_prefix_ab) &
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"_" & integer'image(g_wpfb.nof_taps) & "taps" &
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"_" & integer'image(g_wpfb.nof_points) & "points" &
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"_" & integer'image(g_wpfb.coef_dat_w) & "b";
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constant c_coefs_mif_file_prefix : string := c_coefs_dat_file_prefix & "_" & integer'image(g_wpfb.wb_factor) & "wb";
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-- input/output data width
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constant c_in_dat_w : natural := g_wpfb.fil_in_dat_w;
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constant c_fil_dat_w : natural := g_wpfb.fil_out_dat_w;
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constant c_out_dat_w : natural := g_wpfb.fft_out_dat_w;
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-- Data file access (Header + PFIR coefficients + WG data + PFIR data + PFFT data)
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constant c_nof_lines_header : natural := 4;
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constant c_nof_lines_pfir_coefs : natural := c_nof_coefs; -- PFIR coefficients
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constant c_nof_lines_a_wg_dat : natural := g_data_file_a_nof_lines; -- Real input A via in_re, one value per line
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constant c_nof_lines_a_pfir_dat : natural := g_data_file_a_nof_lines; -- Real pfir A, one value per line
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constant c_nof_lines_a_pfft_dat : natural := g_data_file_a_nof_lines/c_nof_complex; -- Half spectrum, two values per line (re, im)
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constant c_nof_lines_a_wg_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs;
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constant c_nof_lines_a_pfir_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_a_wg_dat;
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constant c_nof_lines_a_pfft_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_a_wg_dat + c_nof_lines_a_pfir_dat;
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constant c_nof_lines_b_wg_dat : natural := g_data_file_b_nof_lines; -- Real input A via in_re, one value per line
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constant c_nof_lines_b_pfir_dat : natural := g_data_file_b_nof_lines; -- Real pfir A, one value per line
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constant c_nof_lines_b_pfft_dat : natural := g_data_file_b_nof_lines/c_nof_complex; -- Half spectrum, two values per line (re, im)
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constant c_nof_lines_b_wg_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs;
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constant c_nof_lines_b_pfir_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_b_wg_dat;
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constant c_nof_lines_b_pfft_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_b_wg_dat + c_nof_lines_b_pfir_dat;
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constant c_nof_lines_c_wg_dat : natural := g_data_file_c_nof_lines; -- Complex input, two values per line (re, im)
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constant c_nof_lines_c_pfir_dat : natural := g_data_file_c_nof_lines; -- Complex pfir, two values per line (re, im)
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constant c_nof_lines_c_pfft_dat : natural := g_data_file_c_nof_lines; -- Full spectrum, two values per line (re, im)
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constant c_nof_lines_c_wg_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs;
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constant c_nof_lines_c_pfir_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_c_wg_dat;
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constant c_nof_lines_c_pfft_header : natural := c_nof_lines_header + c_nof_lines_pfir_coefs + c_nof_lines_c_wg_dat + c_nof_lines_c_pfir_dat;
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-- signal definitions
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signal tb_end : std_logic := '0';
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signal tb_end_almost : std_logic := '0';
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signal clk : std_logic := '0';
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signal sclk : std_logic := '0';
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signal rst : std_logic := '0';
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signal random : std_logic_vector(15 DOWNTO 0) := (OTHERS=>'0'); -- use different lengths to have different random sequences
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signal coefs_dat_arr : t_integer_arr(c_nof_coefs-1 downto 0) := (OTHERS=>0); -- = PFIR coef for all taps as read from via c_coefs_dat_file_prefix
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signal coefs_ref_c_arr : t_integer_arr(c_nof_coefs-1 downto 0) := (OTHERS=>0); -- = PFIR coef for all taps as read from via g_data_file_c
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signal coefs_ref_a_arr : t_integer_arr(c_nof_coefs-1 downto 0) := (OTHERS=>0); -- = PFIR coef for all taps as read from via g_data_file_a
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signal coefs_ref_b_arr : t_integer_arr(c_nof_coefs-1 downto 0) := (OTHERS=>0); -- = PFIR coef for all taps as read from via g_data_file_b
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signal input_data_a_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (A via re input)
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signal input_data_b_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (B via im input)
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signal input_data_c_arr : t_integer_arr(0 to g_data_file_nof_lines*c_nof_complex-1) := (OTHERS=>0); -- two values per line (re, im)
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signal exp_filter_data_a_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (A via re input)
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signal exp_filter_data_b_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (B via im input)
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signal exp_filter_data_c_arr : t_integer_arr(0 to g_data_file_nof_lines*c_nof_complex-1) := (OTHERS=>0); -- two values per line (re, im)
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signal exp_filter_data_c_re_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (re input)
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signal exp_filter_data_c_im_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- one value per line (im input)
|
234 |
|
|
|
235 |
|
|
signal output_data_a_re_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, re
|
236 |
|
|
signal output_data_a_im_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, im
|
237 |
|
|
signal output_data_b_re_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, re
|
238 |
|
|
signal output_data_b_im_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, im
|
239 |
|
|
signal output_data_c_re_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- full spectrum, re
|
240 |
|
|
signal output_data_c_im_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- full spectrum, im
|
241 |
|
|
|
242 |
|
|
signal exp_output_data_a_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- half spectrum, two values per line (re, im)
|
243 |
|
|
signal exp_output_data_a_re_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, re
|
244 |
|
|
signal exp_output_data_a_im_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, im
|
245 |
|
|
signal exp_output_data_b_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- half spectrum, two values per line (re, im)
|
246 |
|
|
signal exp_output_data_b_re_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, re
|
247 |
|
|
signal exp_output_data_b_im_arr : t_integer_arr(0 to g_data_file_nof_lines/c_nof_complex-1) := (OTHERS=>0); -- half spectrum, im
|
248 |
|
|
signal exp_output_data_c_arr : t_integer_arr(0 to g_data_file_nof_lines*c_nof_complex-1) := (OTHERS=>0); -- full spectrum, two values per line (re, im)
|
249 |
|
|
signal exp_output_data_c_re_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- full spectrum, re
|
250 |
|
|
signal exp_output_data_c_im_arr : t_integer_arr(0 to g_data_file_nof_lines-1) := (OTHERS=>0); -- full spectrum, im
|
251 |
|
|
|
252 |
|
|
-- Input
|
253 |
|
|
signal in_re_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
254 |
|
|
signal in_im_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
255 |
|
|
signal in_re_data : std_logic_vector(g_wpfb.wb_factor*c_in_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
256 |
|
|
signal in_im_data : std_logic_vector(g_wpfb.wb_factor*c_in_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
257 |
|
|
signal in_val : std_logic:= '0';
|
258 |
|
|
signal in_val_cnt : natural := 0;
|
259 |
|
|
signal in_blk_val : std_logic;
|
260 |
|
|
signal in_blk_val_cnt : natural := 0;
|
261 |
|
|
signal in_gap : std_logic := '0';
|
262 |
|
|
signal in_sosi_arr : t_dp_sosi_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0) := (others=>c_dp_sosi_rst);
|
263 |
|
|
signal in_blk_time : integer := 0; -- input block time counter
|
264 |
|
|
|
265 |
|
|
signal in_sosi_val : t_dp_sosi;
|
266 |
|
|
signal ref_sosi_ctrl : t_dp_sosi;
|
267 |
|
|
signal ref_re_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
268 |
|
|
signal ref_im_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
269 |
|
|
|
270 |
|
|
-- Input in sclk domain
|
271 |
|
|
signal in_re_scope : integer;
|
272 |
|
|
signal in_im_scope : integer;
|
273 |
|
|
signal in_val_scope : std_logic:= '0';
|
274 |
|
|
|
275 |
|
|
-- Filter output
|
276 |
|
|
signal fil_sosi_arr : t_dp_sosi_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
277 |
|
|
signal fil_re_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
278 |
|
|
signal fil_im_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
279 |
|
|
signal fil_re_data : std_logic_vector(g_wpfb.wb_factor*c_fil_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
280 |
|
|
signal fil_im_data : std_logic_vector(g_wpfb.wb_factor*c_fil_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
281 |
|
|
signal fil_val : std_logic:= '0'; -- for parallel output
|
282 |
|
|
|
283 |
|
|
-- Filter in sclk domain
|
284 |
|
|
signal fil_re_scope : integer;
|
285 |
|
|
signal fil_im_scope : integer;
|
286 |
|
|
signal fil_val_scope : std_logic:= '0';
|
287 |
|
|
signal exp_fil_re_scope : integer;
|
288 |
|
|
signal exp_fil_im_scope : integer;
|
289 |
|
|
|
290 |
|
|
-- Observe common sosi fields via sosi_arr(0)
|
291 |
|
|
signal in_sosi_0 : t_dp_sosi;
|
292 |
|
|
signal out_sosi_0 : t_dp_sosi;
|
293 |
|
|
|
294 |
|
|
-- Output
|
295 |
|
|
signal out_sosi_arr : t_dp_sosi_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0) := (others=>c_dp_sosi_rst);
|
296 |
|
|
signal out_re_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
297 |
|
|
signal out_im_arr : t_fft_slv_arr(g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 downto 0);
|
298 |
|
|
signal out_re_data : std_logic_vector(g_wpfb.wb_factor*c_out_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
299 |
|
|
signal out_im_data : std_logic_vector(g_wpfb.wb_factor*c_out_dat_w-1 DOWNTO 0); -- scope data only for stream 0
|
300 |
|
|
signal out_val : std_logic:= '0'; -- for parallel output
|
301 |
|
|
signal out_val_cnt : natural := 0;
|
302 |
|
|
signal out_blk_time : integer := 0; -- output block time counter
|
303 |
|
|
|
304 |
|
|
-- Output in sclk domain
|
305 |
|
|
signal out_re_scope : integer := 0;
|
306 |
|
|
signal out_im_scope : integer := 0;
|
307 |
|
|
signal out_val_a : std_logic:= '0'; -- for real A
|
308 |
|
|
signal out_val_b : std_logic:= '0'; -- for real B
|
309 |
|
|
signal out_val_c : std_logic:= '0'; -- for complex(A,B)
|
310 |
|
|
signal out_channel : natural := 0;
|
311 |
|
|
signal out_cnt : natural := 0;
|
312 |
|
|
signal out_bin_cnt : natural := 0;
|
313 |
|
|
signal out_bin : natural;
|
314 |
|
|
|
315 |
|
|
-- Output data for complex input data
|
316 |
|
|
signal out_re_c_scope : integer := 0;
|
317 |
|
|
signal exp_re_c_scope : integer := 0;
|
318 |
|
|
signal out_im_c_scope : integer := 0;
|
319 |
|
|
signal exp_im_c_scope : integer := 0;
|
320 |
|
|
signal diff_re_c_scope : integer := 0;
|
321 |
|
|
signal diff_im_c_scope : integer := 0;
|
322 |
|
|
|
323 |
|
|
-- register control signals to account for sclk register in output scope signals
|
324 |
|
|
signal reg_out_val_a : std_logic;
|
325 |
|
|
signal reg_out_val_b : std_logic;
|
326 |
|
|
signal reg_out_val_c : std_logic;
|
327 |
|
|
signal reg_out_channel : natural := 0;
|
328 |
|
|
signal reg_out_cnt : natural := 0;
|
329 |
|
|
signal reg_out_bin_cnt : natural := 0;
|
330 |
|
|
signal reg_out_bin : natural;
|
331 |
|
|
signal reg_out_blk_time : integer := 0;
|
332 |
|
|
|
333 |
|
|
-- Output data two real input data A and B
|
334 |
|
|
signal out_re_a_scope : integer := 0;
|
335 |
|
|
signal exp_re_a_scope : integer := 0;
|
336 |
|
|
signal out_im_a_scope : integer := 0;
|
337 |
|
|
signal exp_im_a_scope : integer := 0;
|
338 |
|
|
signal out_re_b_scope : integer := 0;
|
339 |
|
|
signal exp_re_b_scope : integer := 0;
|
340 |
|
|
signal out_im_b_scope : integer := 0;
|
341 |
|
|
signal exp_im_b_scope : integer := 0;
|
342 |
|
|
signal diff_re_a_scope : integer := 0;
|
343 |
|
|
signal diff_im_a_scope : integer := 0;
|
344 |
|
|
signal diff_re_b_scope : integer := 0;
|
345 |
|
|
signal diff_im_b_scope : integer := 0;
|
346 |
|
|
|
347 |
|
|
begin
|
348 |
|
|
|
349 |
|
|
sclk <= (not sclk) or tb_end after c_sclk_period/2;
|
350 |
|
|
clk <= (not clk) or tb_end after c_clk_period/2;
|
351 |
|
|
rst <= '1', '0' after c_clk_period*7;
|
352 |
|
|
random <= func_common_random(random) WHEN rising_edge(clk);
|
353 |
|
|
in_gap <= random(random'HIGH) WHEN g_enable_in_val_gaps=TRUE ELSE '0';
|
354 |
|
|
|
355 |
|
|
in_sosi_0 <= in_sosi_arr(0);
|
356 |
|
|
out_sosi_0 <= out_sosi_arr(0);
|
357 |
|
|
|
358 |
|
|
---------------------------------------------------------------
|
359 |
|
|
-- DATA INPUT
|
360 |
|
|
---------------------------------------------------------------
|
361 |
|
|
p_input_stimuli : process
|
362 |
|
|
variable vP : natural;
|
363 |
|
|
begin
|
364 |
|
|
-- read input data from file
|
365 |
|
|
if c_in_complex then
|
366 |
|
|
proc_common_read_integer_file(g_data_file_c, c_nof_lines_c_wg_header, g_data_file_nof_lines, c_nof_complex, input_data_c_arr);
|
367 |
|
|
else
|
368 |
|
|
proc_common_read_integer_file(g_data_file_a, c_nof_lines_a_wg_header, g_data_file_nof_lines, 1, input_data_a_arr);
|
369 |
|
|
proc_common_read_integer_file(g_data_file_b, c_nof_lines_b_wg_header, g_data_file_nof_lines, 1, input_data_b_arr);
|
370 |
|
|
end if;
|
371 |
|
|
wait for 1 ns;
|
372 |
|
|
in_re_arr <= (others=>(others=>'0'));
|
373 |
|
|
in_im_arr <= (others=>(others=>'0'));
|
374 |
|
|
in_val <= '0';
|
375 |
|
|
proc_common_wait_until_low(clk, rst); -- Wait until reset has finished
|
376 |
|
|
proc_common_wait_some_cycles(clk, 10); -- Wait an additional amount of cycles
|
377 |
|
|
|
378 |
|
|
-- apply stimuli
|
379 |
|
|
for I in 0 to g_data_file_nof_lines/g_wpfb.wb_factor-1 loop -- serial
|
380 |
|
|
for K in 0 to c_nof_channels-1 loop -- serial
|
381 |
|
|
for S in 0 to g_wpfb.nof_wb_streams-1 loop -- parallel
|
382 |
|
|
for P in 0 to g_wpfb.wb_factor-1 loop -- parallel
|
383 |
|
|
if c_big_endian_wb_in=TRUE then
|
384 |
|
|
vP := g_wpfb.wb_factor-1-P; -- time to big endian
|
385 |
|
|
else
|
386 |
|
|
vP := P; -- time in little endian
|
387 |
|
|
end if;
|
388 |
|
|
if K=1 or S=1 then
|
389 |
|
|
-- if present then serial channel 1 carries zero data to be able to recognize the serial channel order in the wave window
|
390 |
|
|
-- if present then parallel stream 1 carries zero data to be able to recognize the parallel stream order in the wave window
|
391 |
|
|
in_re_arr(S*g_wpfb.wb_factor + vP) <= (OTHERS=>'0');
|
392 |
|
|
in_im_arr(S*g_wpfb.wb_factor + vP) <= (OTHERS=>'0');
|
393 |
|
|
else
|
394 |
|
|
-- stream 0 and if present the other streams >= 2 carry the same input reference data to verify the filter function
|
395 |
|
|
if c_in_complex then
|
396 |
|
|
in_re_arr(S*g_wpfb.wb_factor + vP) <= TO_SVEC_32(input_data_c_arr((I*g_wpfb.wb_factor+P)*c_nof_complex));
|
397 |
|
|
in_im_arr(S*g_wpfb.wb_factor + vP) <= TO_SVEC_32(input_data_c_arr((I*g_wpfb.wb_factor+P)*c_nof_complex+1));
|
398 |
|
|
else
|
399 |
|
|
in_re_arr(S*g_wpfb.wb_factor + vP) <= TO_SVEC_32(input_data_a_arr(I*g_wpfb.wb_factor+P));
|
400 |
|
|
in_im_arr(S*g_wpfb.wb_factor + vP) <= TO_SVEC_32(input_data_b_arr(I*g_wpfb.wb_factor+P));
|
401 |
|
|
end if;
|
402 |
|
|
end if;
|
403 |
|
|
end loop;
|
404 |
|
|
end loop;
|
405 |
|
|
in_val <= '1'; -- serial
|
406 |
|
|
proc_common_wait_some_cycles(clk, 1);
|
407 |
|
|
if in_gap='1' then
|
408 |
|
|
in_val <= '0'; -- serial
|
409 |
|
|
proc_common_wait_some_cycles(clk, 1);
|
410 |
|
|
end if;
|
411 |
|
|
end loop;
|
412 |
|
|
end loop;
|
413 |
|
|
|
414 |
|
|
-- Wait until done
|
415 |
|
|
in_val <= '0';
|
416 |
|
|
proc_common_wait_some_cycles(clk, c_dut_clk_latency); -- wait for DUT latency
|
417 |
|
|
tb_end_almost <= '1';
|
418 |
|
|
proc_common_wait_some_cycles(clk, 100);
|
419 |
|
|
tb_end <= '1';
|
420 |
|
|
wait;
|
421 |
|
|
end process;
|
422 |
|
|
|
423 |
|
|
in_sosi_val.valid <= in_val;
|
424 |
|
|
|
425 |
|
|
u_ref_sosi_ctrl : entity dp_components_lib.dp_block_gen
|
426 |
|
|
generic map (
|
427 |
|
|
g_use_src_in => false, -- when true use src_in.ready else use snk_in.valid for flow control
|
428 |
|
|
g_nof_data => c_nof_valid_per_block, -- nof data per block
|
429 |
|
|
g_nof_blk_per_sync => g_wpfb.nof_blk_per_sync,
|
430 |
|
|
g_empty => 0,
|
431 |
|
|
g_channel => 0,
|
432 |
|
|
g_error => 0,
|
433 |
|
|
g_bsn => 12,
|
434 |
|
|
g_preserve_sync => false,
|
435 |
|
|
g_preserve_bsn => false
|
436 |
|
|
)
|
437 |
|
|
port map (
|
438 |
|
|
rst => rst,
|
439 |
|
|
clk => clk,
|
440 |
|
|
-- Streaming sink
|
441 |
|
|
snk_in => in_sosi_val,
|
442 |
|
|
-- Streaming source
|
443 |
|
|
src_in => c_dp_siso_rdy,
|
444 |
|
|
src_out => ref_sosi_ctrl,
|
445 |
|
|
-- MM control
|
446 |
|
|
en => '1'
|
447 |
|
|
);
|
448 |
|
|
|
449 |
|
|
ref_re_arr <= in_re_arr when rising_edge(clk);
|
450 |
|
|
ref_im_arr <= in_im_arr when rising_edge(clk);
|
451 |
|
|
|
452 |
|
|
---------------------------------------------------------------
|
453 |
|
|
-- DUT = Device Under Test
|
454 |
|
|
---------------------------------------------------------------
|
455 |
|
|
p_in_sosi_arr : process(ref_re_arr, ref_im_arr, ref_sosi_ctrl)
|
456 |
|
|
begin
|
457 |
|
|
for I in 0 to g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 loop
|
458 |
|
|
-- DUT input
|
459 |
|
|
in_sosi_arr(I) <= ref_sosi_ctrl;
|
460 |
|
|
in_sosi_arr(I).re <= RESIZE_DP_DSP_DATA(ref_re_arr(I));
|
461 |
|
|
in_sosi_arr(I).im <= RESIZE_DP_DSP_DATA(ref_im_arr(I));
|
462 |
|
|
end loop;
|
463 |
|
|
end process;
|
464 |
|
|
|
465 |
|
|
u_dut : entity work.wpfb_unit_dev
|
466 |
|
|
generic map (
|
467 |
|
|
g_big_endian_wb_in => c_big_endian_wb_in,
|
468 |
|
|
g_wpfb => g_wpfb,
|
469 |
|
|
g_use_prefilter => TRUE,
|
470 |
|
|
g_stats_ena => TRUE,
|
471 |
|
|
g_use_bg => FALSE,
|
472 |
|
|
g_coefs_file_prefix => c_coefs_mif_file_prefix
|
473 |
|
|
)
|
474 |
|
|
port map (
|
475 |
|
|
dp_rst => rst,
|
476 |
|
|
dp_clk => clk,
|
477 |
|
|
mm_rst => rst,
|
478 |
|
|
mm_clk => clk,
|
479 |
|
|
ram_fil_coefs_mosi => c_mem_mosi_rst,
|
480 |
|
|
ram_fil_coefs_miso => open,
|
481 |
|
|
ram_st_sst_mosi => c_mem_mosi_rst,
|
482 |
|
|
ram_st_sst_miso => open,
|
483 |
|
|
reg_bg_ctrl_mosi => c_mem_mosi_rst,
|
484 |
|
|
reg_bg_ctrl_miso => open,
|
485 |
|
|
ram_bg_data_mosi => c_mem_mosi_rst,
|
486 |
|
|
ram_bg_data_miso => open,
|
487 |
|
|
in_sosi_arr => in_sosi_arr,
|
488 |
|
|
fil_sosi_arr => fil_sosi_arr,
|
489 |
|
|
out_sosi_arr => out_sosi_arr
|
490 |
|
|
);
|
491 |
|
|
|
492 |
|
|
p_fil_sosi_arr : process(fil_sosi_arr)
|
493 |
|
|
begin
|
494 |
|
|
for I in 0 to g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 loop
|
495 |
|
|
fil_re_arr(I) <= RESIZE_SVEC_32(fil_sosi_arr(I).re);
|
496 |
|
|
fil_im_arr(I) <= RESIZE_SVEC_32(fil_sosi_arr(I).im);
|
497 |
|
|
end loop;
|
498 |
|
|
end process;
|
499 |
|
|
fil_val <= fil_sosi_arr(0).valid;
|
500 |
|
|
|
501 |
|
|
p_out_sosi_arr : process(out_sosi_arr)
|
502 |
|
|
begin
|
503 |
|
|
for I in 0 to g_wpfb.nof_wb_streams*g_wpfb.wb_factor-1 loop
|
504 |
|
|
out_re_arr(I) <= RESIZE_SVEC_32(out_sosi_arr(I).re);
|
505 |
|
|
out_im_arr(I) <= resize_fft_svec(out_sosi_arr(I).im);
|
506 |
|
|
end loop;
|
507 |
|
|
end process;
|
508 |
|
|
out_val <= out_sosi_arr(0).valid;
|
509 |
|
|
|
510 |
|
|
-- Data valid count
|
511 |
|
|
in_val_cnt <= in_val_cnt+1 when rising_edge(clk) and in_val='1' else in_val_cnt;
|
512 |
|
|
out_val_cnt <= out_val_cnt+1 when rising_edge(clk) and out_val='1' else out_val_cnt;
|
513 |
|
|
|
514 |
|
|
-- Block count blocks for c_nof_channels>=1 channels per block
|
515 |
|
|
in_blk_val <= '1' when in_val='1' and (in_val_cnt mod c_nof_channels)=0 else '0';
|
516 |
|
|
in_blk_val_cnt <= in_val_cnt/c_nof_channels;
|
517 |
|
|
|
518 |
|
|
-- Block count time axis
|
519 |
|
|
in_blk_time <= in_blk_val_cnt / (g_wpfb.nof_points/g_wpfb.wb_factor);
|
520 |
|
|
|
521 |
|
|
-- Verify nof valid counts
|
522 |
|
|
p_verify_out_val_cnt : process
|
523 |
|
|
begin
|
524 |
|
|
-- Wait until tb_end_almost
|
525 |
|
|
proc_common_wait_until_high(clk, tb_end_almost);
|
526 |
|
|
assert in_val_cnt > 0 report "Test did not run, no valid input data" severity error;
|
527 |
|
|
-- The WPFB has a memory of 2 block, independent of use_reorder and use_separate, but without the
|
528 |
|
|
-- reorder buffer it outputs 1 sample more, because that is immediately available in a new block.
|
529 |
|
|
-- Ensure g_data_file_nof_lines is multiple of g_wpfb.nof_points.
|
530 |
|
|
if g_wpfb.use_reorder=true then
|
531 |
|
|
assert out_val_cnt = in_val_cnt-2*c_nof_valid_per_block report "Unexpected number of valid output data" severity error;
|
532 |
|
|
else
|
533 |
|
|
assert out_val_cnt = in_val_cnt-2*c_nof_valid_per_block+c_nof_channels report "Unexpected number of valid output data" severity error;
|
534 |
|
|
end if;
|
535 |
|
|
wait;
|
536 |
|
|
end process;
|
537 |
|
|
|
538 |
|
|
---------------------------------------------------------------
|
539 |
|
|
-- DATA OUTPUT CONTROL IN SCLK DOMAIN
|
540 |
|
|
---------------------------------------------------------------
|
541 |
|
|
out_cnt <= out_cnt + 1 when rising_edge(sclk) and out_val_c='1' else out_cnt;
|
542 |
|
|
|
543 |
|
|
out_blk_time <= (out_cnt / c_nof_channels) / g_wpfb.nof_points;
|
544 |
|
|
|
545 |
|
|
proc_fft_out_control(g_wpfb.wb_factor, g_wpfb.nof_points, c_nof_channels, g_wpfb.use_reorder, g_wpfb.use_fft_shift, g_wpfb.use_separate,
|
546 |
|
|
out_cnt, out_val_c, out_val_a, out_val_b, out_channel, out_bin, out_bin_cnt);
|
547 |
|
|
|
548 |
|
|
-- clk diff to avoid combinatorial glitches when selecting the data with out_val_a,b,c
|
549 |
|
|
reg_out_val_a <= out_val_a when rising_edge(sclk);
|
550 |
|
|
reg_out_val_b <= out_val_b when rising_edge(sclk);
|
551 |
|
|
reg_out_val_c <= out_val_c when rising_edge(sclk);
|
552 |
|
|
reg_out_channel <= out_channel when rising_edge(sclk);
|
553 |
|
|
reg_out_cnt <= out_cnt when rising_edge(sclk);
|
554 |
|
|
reg_out_bin_cnt <= out_bin_cnt when rising_edge(sclk);
|
555 |
|
|
reg_out_bin <= out_bin when rising_edge(sclk);
|
556 |
|
|
reg_out_blk_time <= out_blk_time when rising_edge(sclk);
|
557 |
|
|
|
558 |
|
|
out_re_a_scope <= out_re_scope when rising_edge(sclk) and out_val_a='1';
|
559 |
|
|
out_im_a_scope <= out_im_scope when rising_edge(sclk) and out_val_a='1';
|
560 |
|
|
out_re_b_scope <= out_re_scope when rising_edge(sclk) and out_val_b='1';
|
561 |
|
|
out_im_b_scope <= out_im_scope when rising_edge(sclk) and out_val_b='1';
|
562 |
|
|
out_re_c_scope <= out_re_scope when rising_edge(sclk) and out_val_c='1';
|
563 |
|
|
out_im_c_scope <= out_im_scope when rising_edge(sclk) and out_val_c='1';
|
564 |
|
|
|
565 |
|
|
exp_re_a_scope <= exp_output_data_a_re_arr(out_bin_cnt) when rising_edge(sclk) and out_val_a='1';
|
566 |
|
|
exp_im_a_scope <= exp_output_data_a_im_arr(out_bin_cnt) when rising_edge(sclk) and out_val_a='1';
|
567 |
|
|
exp_re_b_scope <= exp_output_data_b_re_arr(out_bin_cnt) when rising_edge(sclk) and out_val_b='1';
|
568 |
|
|
exp_im_b_scope <= exp_output_data_b_im_arr(out_bin_cnt) when rising_edge(sclk) and out_val_b='1';
|
569 |
|
|
exp_re_c_scope <= exp_output_data_c_re_arr(out_bin_cnt) when rising_edge(sclk) and out_val_c='1';
|
570 |
|
|
exp_im_c_scope <= exp_output_data_c_im_arr(out_bin_cnt) when rising_edge(sclk) and out_val_c='1';
|
571 |
|
|
|
572 |
|
|
diff_re_a_scope <= exp_re_a_scope - out_re_a_scope;
|
573 |
|
|
diff_im_a_scope <= exp_im_a_scope - out_im_a_scope;
|
574 |
|
|
diff_re_b_scope <= exp_re_b_scope - out_re_b_scope;
|
575 |
|
|
diff_im_b_scope <= exp_im_b_scope - out_im_b_scope;
|
576 |
|
|
diff_re_c_scope <= exp_re_c_scope - out_re_c_scope;
|
577 |
|
|
diff_im_c_scope <= exp_im_c_scope - out_im_c_scope;
|
578 |
|
|
|
579 |
|
|
---------------------------------------------------------------
|
580 |
|
|
-- VERIFY OUTPUT DATA
|
581 |
|
|
---------------------------------------------------------------
|
582 |
|
|
p_verify_output : process(sclk)
|
583 |
|
|
begin
|
584 |
|
|
-- verify at sclk rising edge to avoid void differences due to delta-cycle differences that can occur between combinatorial signals
|
585 |
|
|
if rising_edge(sclk) then
|
586 |
|
|
if not c_in_complex then
|
587 |
|
|
if reg_out_channel=1 then
|
588 |
|
|
--if reg_out_val_a='1' then
|
589 |
|
|
assert out_re_a_scope = 0 report "Output data A real error in channel" severity error;
|
590 |
|
|
assert out_im_a_scope = 0 report "Output data A imag error in channel" severity error;
|
591 |
|
|
--end if;
|
592 |
|
|
if reg_out_val_b='1' then
|
593 |
|
|
assert out_re_b_scope = 0 report "Output data B real error in channel" severity error;
|
594 |
|
|
assert out_im_b_scope = 0 report "Output data B imag error in channel" severity error;
|
595 |
|
|
end if;
|
596 |
|
|
else
|
597 |
|
|
--if reg_out_val_a='1' then
|
598 |
|
|
assert diff_re_a_scope >= -g_diff_margin and diff_re_a_scope <= g_diff_margin report "Output data A real error" severity error;
|
599 |
|
|
assert diff_im_a_scope >= -g_diff_margin and diff_im_a_scope <= g_diff_margin report "Output data A imag error" severity error;
|
600 |
|
|
--end if;
|
601 |
|
|
if reg_out_val_b='1' then
|
602 |
|
|
assert diff_re_b_scope >= -g_diff_margin and diff_re_b_scope <= g_diff_margin report "Output data B real error" severity error;
|
603 |
|
|
assert diff_im_b_scope >= -g_diff_margin and diff_im_b_scope <= g_diff_margin report "Output data B imag error" severity error;
|
604 |
|
|
end if;
|
605 |
|
|
end if;
|
606 |
|
|
else
|
607 |
|
|
if reg_out_val_c='1' then
|
608 |
|
|
if reg_out_channel=1 then
|
609 |
|
|
assert out_re_c_scope = 0 report "Output data C real error in channel" severity error;
|
610 |
|
|
assert out_im_c_scope = 0 report "Output data C imag error in channel" severity error;
|
611 |
|
|
else
|
612 |
|
|
assert diff_re_c_scope >= -g_diff_margin and diff_re_c_scope <= g_diff_margin report "Output data C real error" severity error;
|
613 |
|
|
assert diff_im_c_scope >= -g_diff_margin and diff_im_c_scope <= g_diff_margin report "Output data C imag error" severity error;
|
614 |
|
|
end if;
|
615 |
|
|
end if;
|
616 |
|
|
end if;
|
617 |
|
|
end if;
|
618 |
|
|
end process;
|
619 |
|
|
|
620 |
|
|
---------------------------------------------------------------
|
621 |
|
|
-- READ EXPECTED FILTER OUTPUT DATA FROM FILE
|
622 |
|
|
---------------------------------------------------------------
|
623 |
|
|
p_exp_filter_data : process
|
624 |
|
|
begin
|
625 |
|
|
-- read filter data from file
|
626 |
|
|
if c_in_complex then
|
627 |
|
|
proc_common_read_integer_file(g_data_file_c, c_nof_lines_c_pfir_header, g_data_file_nof_lines, c_nof_complex, exp_filter_data_c_arr);
|
628 |
|
|
wait for 1 ns;
|
629 |
|
|
for I in 0 to g_data_file_nof_lines-1 loop
|
630 |
|
|
exp_filter_data_c_re_arr(I) <= exp_filter_data_c_arr(2*I);
|
631 |
|
|
exp_filter_data_c_im_arr(I) <= exp_filter_data_c_arr(2*I+1);
|
632 |
|
|
end loop;
|
633 |
|
|
else
|
634 |
|
|
proc_common_read_integer_file(g_data_file_a, c_nof_lines_a_pfir_header, g_data_file_nof_lines, 1, exp_filter_data_a_arr);
|
635 |
|
|
proc_common_read_integer_file(g_data_file_b, c_nof_lines_b_pfir_header, g_data_file_nof_lines, 1, exp_filter_data_b_arr);
|
636 |
|
|
wait for 1 ns;
|
637 |
|
|
end if;
|
638 |
|
|
wait;
|
639 |
|
|
end process;
|
640 |
|
|
|
641 |
|
|
---------------------------------------------------------------
|
642 |
|
|
-- READ EXPECTED WPFB OUTPUT DATA FROM FILE
|
643 |
|
|
---------------------------------------------------------------
|
644 |
|
|
p_expected_wpfb_output : process
|
645 |
|
|
begin
|
646 |
|
|
if c_in_complex then
|
647 |
|
|
proc_common_read_integer_file(g_data_file_c, c_nof_lines_c_pfft_header, g_data_file_nof_lines, c_nof_complex, exp_output_data_c_arr);
|
648 |
|
|
wait for 1 ns;
|
649 |
|
|
for I in 0 to g_data_file_nof_lines-1 loop
|
650 |
|
|
exp_output_data_c_re_arr(I) <= exp_output_data_c_arr(2*I);
|
651 |
|
|
exp_output_data_c_im_arr(I) <= exp_output_data_c_arr(2*I+1);
|
652 |
|
|
end loop;
|
653 |
|
|
else
|
654 |
|
|
proc_common_read_integer_file(g_data_file_a, c_nof_lines_a_pfft_header, g_data_file_nof_lines/c_nof_complex, c_nof_complex, exp_output_data_a_arr);
|
655 |
|
|
proc_common_read_integer_file(g_data_file_b, c_nof_lines_b_pfft_header, g_data_file_nof_lines/c_nof_complex, c_nof_complex, exp_output_data_b_arr);
|
656 |
|
|
wait for 1 ns;
|
657 |
|
|
for I in 0 to g_data_file_nof_lines/c_nof_complex-1 loop
|
658 |
|
|
exp_output_data_a_re_arr(I) <= exp_output_data_a_arr(2*I);
|
659 |
|
|
exp_output_data_a_im_arr(I) <= exp_output_data_a_arr(2*I+1);
|
660 |
|
|
exp_output_data_b_re_arr(I) <= exp_output_data_b_arr(2*I);
|
661 |
|
|
exp_output_data_b_im_arr(I) <= exp_output_data_b_arr(2*I+1);
|
662 |
|
|
end loop;
|
663 |
|
|
end if;
|
664 |
|
|
wait;
|
665 |
|
|
end process;
|
666 |
|
|
|
667 |
|
|
---------------------------------------------------------------
|
668 |
|
|
-- INPUT AND OUTPUT DATA SCOPES : ONLY FOR WB STREAM S = 0
|
669 |
|
|
---------------------------------------------------------------
|
670 |
|
|
rewire_scope_data : for P in 0 to g_wpfb.wb_factor-1 generate
|
671 |
|
|
in_re_data((P+1)*c_in_dat_w-1 downto P*c_in_dat_w) <= in_re_arr(P)(c_in_dat_w-1 downto 0);
|
672 |
|
|
in_im_data((P+1)*c_in_dat_w-1 downto P*c_in_dat_w) <= in_im_arr(P)(c_in_dat_w-1 downto 0);
|
673 |
|
|
|
674 |
|
|
fil_re_data((P+1)*c_fil_dat_w-1 downto P*c_fil_dat_w) <= fil_re_arr(P)(c_fil_dat_w-1 downto 0);
|
675 |
|
|
fil_im_data((P+1)*c_fil_dat_w-1 downto P*c_fil_dat_w) <= fil_im_arr(P)(c_fil_dat_w-1 downto 0);
|
676 |
|
|
|
677 |
|
|
out_re_data((P+1)*c_out_dat_w-1 downto P*c_out_dat_w) <= out_re_arr(P)(c_out_dat_w-1 downto 0);
|
678 |
|
|
out_im_data((P+1)*c_out_dat_w-1 downto P*c_out_dat_w) <= out_im_arr(P)(c_out_dat_w-1 downto 0);
|
679 |
|
|
end generate;
|
680 |
|
|
|
681 |
|
|
u_in_re_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
682 |
|
|
generic map (
|
683 |
|
|
g_sim => TRUE,
|
684 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
685 |
|
|
g_wideband_big_endian => TRUE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
686 |
|
|
g_dat_w => c_in_dat_w -- Actual width of the data samples
|
687 |
|
|
)
|
688 |
|
|
port map (
|
689 |
|
|
-- Sample clock
|
690 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
691 |
|
|
|
692 |
|
|
-- Streaming input data
|
693 |
|
|
in_data => in_re_data,
|
694 |
|
|
in_val => in_val,
|
695 |
|
|
|
696 |
|
|
-- Scope output samples
|
697 |
|
|
out_dat => OPEN,
|
698 |
|
|
out_int => in_re_scope,
|
699 |
|
|
out_val => in_val_scope
|
700 |
|
|
);
|
701 |
|
|
|
702 |
|
|
u_in_im_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
703 |
|
|
generic map (
|
704 |
|
|
g_sim => TRUE,
|
705 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
706 |
|
|
g_wideband_big_endian => TRUE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
707 |
|
|
g_dat_w => c_in_dat_w -- Actual width of the data samples
|
708 |
|
|
)
|
709 |
|
|
port map (
|
710 |
|
|
-- Sample clock
|
711 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
712 |
|
|
|
713 |
|
|
-- Streaming input data
|
714 |
|
|
in_data => in_im_data,
|
715 |
|
|
in_val => in_val,
|
716 |
|
|
|
717 |
|
|
-- Scope output samples
|
718 |
|
|
out_dat => OPEN,
|
719 |
|
|
out_int => in_im_scope,
|
720 |
|
|
out_val => open
|
721 |
|
|
);
|
722 |
|
|
|
723 |
|
|
u_fil_re_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
724 |
|
|
generic map (
|
725 |
|
|
g_sim => TRUE,
|
726 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
727 |
|
|
g_wideband_big_endian => TRUE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
728 |
|
|
g_dat_w => c_fil_dat_w -- Actual width of the data samples
|
729 |
|
|
)
|
730 |
|
|
port map (
|
731 |
|
|
-- Sample clock
|
732 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
733 |
|
|
|
734 |
|
|
-- Streaming input data
|
735 |
|
|
in_data => fil_re_data,
|
736 |
|
|
in_val => fil_val,
|
737 |
|
|
|
738 |
|
|
-- Scope output samples
|
739 |
|
|
out_dat => OPEN,
|
740 |
|
|
out_int => fil_re_scope,
|
741 |
|
|
out_val => fil_val_scope
|
742 |
|
|
);
|
743 |
|
|
|
744 |
|
|
u_fil_im_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
745 |
|
|
generic map (
|
746 |
|
|
g_sim => TRUE,
|
747 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
748 |
|
|
g_wideband_big_endian => TRUE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
749 |
|
|
g_dat_w => c_fil_dat_w -- Actual width of the data samples
|
750 |
|
|
)
|
751 |
|
|
port map (
|
752 |
|
|
-- Sample clock
|
753 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
754 |
|
|
|
755 |
|
|
-- Streaming input data
|
756 |
|
|
in_data => fil_im_data,
|
757 |
|
|
in_val => fil_val,
|
758 |
|
|
|
759 |
|
|
-- Scope output samples
|
760 |
|
|
out_dat => OPEN,
|
761 |
|
|
out_int => fil_im_scope,
|
762 |
|
|
out_val => open
|
763 |
|
|
);
|
764 |
|
|
|
765 |
|
|
u_out_re_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
766 |
|
|
generic map (
|
767 |
|
|
g_sim => TRUE,
|
768 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
769 |
|
|
g_wideband_big_endian => FALSE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
770 |
|
|
g_dat_w => c_out_dat_w -- Actual width of the data samples
|
771 |
|
|
)
|
772 |
|
|
port map (
|
773 |
|
|
-- Sample clock
|
774 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
775 |
|
|
|
776 |
|
|
-- Streaming input data
|
777 |
|
|
in_data => out_re_data,
|
778 |
|
|
in_val => out_val,
|
779 |
|
|
|
780 |
|
|
-- Scope output samples
|
781 |
|
|
out_dat => OPEN,
|
782 |
|
|
out_int => out_re_scope,
|
783 |
|
|
out_val => out_val_c
|
784 |
|
|
);
|
785 |
|
|
|
786 |
|
|
u_out_im_scope : entity astron_sim_tools_lib.common_wideband_data_scope
|
787 |
|
|
generic map (
|
788 |
|
|
g_sim => TRUE,
|
789 |
|
|
g_wideband_factor => g_wpfb.wb_factor, -- Wideband rate factor = 4 for dp_clk processing frequency is 200 MHz frequency and SCLK sample frequency Fs is 800 MHz
|
790 |
|
|
g_wideband_big_endian => FALSE, -- When true in_data[3:0] = sample[t0,t1,t2,t3], else when false : in_data[3:0] = sample[t3,t2,t1,t0]
|
791 |
|
|
g_dat_w => c_out_dat_w -- Actual width of the data samples
|
792 |
|
|
)
|
793 |
|
|
port map (
|
794 |
|
|
-- Sample clock
|
795 |
|
|
SCLK => sclk, -- sample clk, use only for simulation purposes
|
796 |
|
|
|
797 |
|
|
-- Streaming input data
|
798 |
|
|
in_data => out_im_data,
|
799 |
|
|
in_val => out_val,
|
800 |
|
|
|
801 |
|
|
-- Scope output samples
|
802 |
|
|
out_dat => OPEN,
|
803 |
|
|
out_int => out_im_scope,
|
804 |
|
|
out_val => open
|
805 |
|
|
);
|
806 |
|
|
|
807 |
|
|
end tb;
|