Added multi tb.

applications/apertif/designs/apertif_unb1_correlator/tb/vhdl/tb_tb_node_apertif_unb1_correlator_processing_output.vhd

+-------------------------------------------------------------------------------
+--
+-- Copyright (C) 2017
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- JIVE (Joint Institute for VLBI in Europe) <http://www.jive.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- 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, see <http://www.gnu.org/licenses/>.
+--
+-------------------------------------------------------------------------------
+
+-- Author: E. Kooistra, 6 Jun 2018
+-- Purpose: Multi test bench for tb_node_apertif_unb1_correlator_processing_output
+-- Desription:
+-- Usage:
+--   > as 4
+--   > run -a
+
+LIBRARY IEEE, common_lib;
+USE IEEE.std_logic_1164.ALL;
+USE common_lib.tb_common_pkg.ALL; 
+
+ENTITY tb_tb_node_apertif_unb1_correlator_processing_output IS
+END tb_tb_node_apertif_unb1_correlator_processing_output;
+
+
+ARCHITECTURE tb OF tb_tb_node_apertif_unb1_correlator_processing_output IS
+
+  CONSTANT c_tb_end_vec : STD_LOGIC_VECTOR(15 DOWNTO 0) := (OTHERS=>'1');
+  SIGNAL   tb_end_vec   : STD_LOGIC_VECTOR(15 DOWNTO 0) := c_tb_end_vec;  -- sufficiently long to fit all tb instances
+  SIGNAL   tb_end       : STD_LOGIC := '0';  -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end'
+
+BEGIN
+
+-- DUT settings
+-- g_tb_end                : BOOLEAN := TRUE;   -- when TRUE then tb_end ends this simulation, else a higher multi-testbench will end the simulation
+-- g_nof_bg_sync           : NATURAL := 2;   -- [t] number of BG sync intervals, is number ofintegration intervals
+-- -- DUT settings
+-- g_nof_pn                : NATURAL := 2;   -- number of PN, choose >= 1
+-- g_nof_10G               : NATURAL := 2;   -- number of 10G input per PN, choose >= 2 and even (to fit Q_interleave=2)
+-- g_nof_beamlets          : NATURAL := 2;   -- [bu_i], is 88 in 8bit, 120 in 6bit beamlet mode
+-- g_nof_tchan_per_sync    : NATURAL := 10;  -- [t_c], is 12500, choose > number of taps of WPFB to simulate longer than the FIR impulse response
+-- g_inter_channel_delay   : NATURAL := 279;   -- throttle correlator output
+-- g_use_wpfb              : BOOLEAN := TRUE;
+-- g_use_prefilter         : BOOLEAN := TRUE;
+-- g_use_prefilter_ones    : BOOLEAN := FALSE;
+-- -- BG settings
+-- g_bg_duty_cycle_gap     : NATURAL := 54;   -- small for faster simulation, use N_clk - Q_interleave*g_nof_beamlets for HW
+-- --g_bg_duty_cycle_gap     : NATURAL := 256;   -- use 256 to default to N_clk - Q_interleave*g_nof_beamlets for HW
+-- g_phasor_ampl           : REAL := 0.25;   -- range 0:1 where by 1.0 corresponds to maximum +amplitude, use <= 1.0 / 2**c_wpfb_fil_in_backoff_w
+-- g_phasor_freq           : REAL := 1.0;    -- for N=64 point FFT choose channel in range -32.0 : 0.0 : 31.0
+-- g_phasor_phase          : REAL := 0.0     -- [0:2pi>, has nearly no effect on correlator output, because all inputs use the same phasor
+  
+  u_tp_4_gap_54     : ENTITY work.tb_node_apertif_unb1_correlator_processing_output GENERIC MAP (FALSE, 2, 2, 2, 2, 10, 279,  TRUE,  TRUE, FALSE,  54, 0.25, 1.0, 0.0) PORT MAP(tb_end_vec(0));
+  u_tp_4_gap_256    : ENTITY work.tb_node_apertif_unb1_correlator_processing_output GENERIC MAP (FALSE, 2, 2, 2, 2, 10, 279,  TRUE,  TRUE, FALSE, 256, 0.25, 1.0, 0.0) PORT MAP(tb_end_vec(1));
+  
+  tb_end <= '1' WHEN tb_end_vec=c_tb_end_vec ELSE '0';
+  
+  p_tb_end : PROCESS
+  BEGIN
+    WAIT UNTIL tb_end='1';
+    WAIT FOR 1 ns;
+    REPORT "Multi tb simulation finished." SEVERITY FAILURE;
+    WAIT;
+  END PROCESS;
+  
+END tb;