initial commit

applications/lofar2/libraries/ddrctrl/src/vhdl/pack.vhd

@@ -4,13 +4,17 @@ USE dp_lib.dp_stream_pkg.ALL;
 
 ENTITY pack IS
   GENERIC (
+
     g_nof_streams	: POSITIVE := 12;
-    g_data_w		: NATURAL  := 14
+    g_data_w		  : NATURAL  := 14
+
   );
   PORT (
-    clk	      	: IN  STD_LOGIC;
-    in_sosi_arr : IN t_dp_sosi_arr(g_nof_streams-1 DOWNTO 0);
-    out_data 	: OUT STD_LOGIC_VECTOR((g_nof_streams*g_data_w)-1 DOWNTO 0)
+
+    clk	      	  : IN  STD_LOGIC;
+    in_sosi_arr   : IN t_dp_sosi_arr(g_nof_streams-1 DOWNTO 0);
+    out_data 	    : OUT STD_LOGIC_VECTOR((g_nof_streams*g_data_w)-1 DOWNTO 0)
+
   );
 END pack;
 

applications/lofar2/libraries/ddrctrl/tb/vhdl/tb_pack.vhd

+--------------------------------------------------------------------------------
+--
+-- Copyright (C) 2022
+-- 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/>.
+--
+--------------------------------------------------------------------------------
+
+LIBRARY IEEE, common_lib, technology_lib, tech_ddr_lib, dp_lib;
+USE IEEE.STD_LOGIC_1164.ALL;
+USE IEEE.NUMERIC_STD.ALL;
+USE IEEE.MATH_REAL.ALL;
+USE technology_lib.technology_pkg.ALL;
+USE tech_ddr_lib.tech_ddr_pkg.ALL;
+USE dp_lib.dp_stream_pkg.ALL;
+USE common_lib.common_mem_pkg.ALL;
+USE common_lib.common_pkg.ALL;
+
+ENTITY tb_pack IS
+  GENERIC (
+    
+    g_nof_streams             : POSITIVE        := 12;
+    g_data_w                  : NATURAL         := 14;
+    g_sim_model               : BOOLEAN         := TRUE
+
+  );
+END tb_pack;
+
+ARCHITECTURE tb OF tb_pack IS
+
+  CONSTANT  c_clk_freq        : NATURAL         := 200;     -- MHz
+  CONSTANT  c_clk_period      : TIME            := (10**6 / c_clk_freq) * 1 ps;
+
+  CONSTANT  c_data_w          : NATURAL         := g_nof_streams * g_data_w; -- 168
+
+  SIGNAL    tb_end            : STD_LOGIC       := '0';
+
+  SIGNAL    clk               : STD_LOGIC       := '1';
+
+  SIGNAL    in_sosi_arr       : t_dp_sosi_arr(g_nof_streams-1 DOWNTO 0) := (OTHERS => c_dp_sosi_init);
+
+  SIGNAL    out_data          : STD_LOGIC_VECTOR(c_data_w-1 DOWNTO 0);
+
+BEGIN
+
+  clk               <= NOT clk OR tb_end AFTER c_clk_period/2;
+
+  p_mm : PROCESS
+  BEGIN
+
+    tb_end            <= '0';
+
+    WAIT UNTIL rising_edge(clk);  -- align to rising edge
+    WAIT FOR c_clk_period*2;
+
+    in_sosi_arr(0).data(g_data_w - 1 DOWNTO 0)    <= "11111111111111";
+    in_sosi_arr(1).data(g_data_w - 1 DOWNTO 0)    <= "11111111111100";
+    in_sosi_arr(2).data(g_data_w - 1 DOWNTO 0)    <= "11111111110000";
+    in_sosi_arr(3).data(g_data_w - 1 DOWNTO 0)    <= "11111111000000";
+    in_sosi_arr(4).data(g_data_w - 1 DOWNTO 0)    <= "11111100000000";
+    in_sosi_arr(5).data(g_data_w - 1 DOWNTO 0)    <= "11110000000000";
+    in_sosi_arr(6).data(g_data_w - 1 DOWNTO 0)    <= "11000000000000";
+    in_sosi_arr(7).data(g_data_w - 1 DOWNTO 0)    <= "00000000000000";
+    in_sosi_arr(8).data(g_data_w - 1 DOWNTO 0)    <= "00000000000011";
+    in_sosi_arr(9).data(g_data_w - 1 DOWNTO 0)    <= "00000000001111";
+    in_sosi_arr(10).data(g_data_w - 1 DOWNTO 0)   <= "00000000111111";
+    in_sosi_arr(11).data(g_data_w - 1 DOWNTO 0)   <= "00000011111111";
+
+    for_loop : FOR J IN 0 TO 4 LOOP
+      WAIT FOR c_clk_period*1;
+      gen_switch_data : FOR I IN 0 TO g_nof_streams-1 LOOP
+        in_sosi_arr(I).data(g_data_w - 1 DOWNTO 0)    <= NOT in_sosi_arr(I).data(g_data_w - 1 DOWNTO 0);
+       END LOOP;
+    END LOOP;  
+
+    WAIT FOR c_clk_period*4;
+
+    tb_end <= '1';
+
+    WAIT;
+  END PROCESS;
+
+  u_pack : ENTITY work.pack
+  GENERIC MAP (
+    g_nof_streams     => g_nof_streams,
+    g_data_w          => g_data_w
+  )
+  PORT MAP (
+    clk               => clk,
+    in_sosi_arr       => in_sosi_arr,
+
+    out_data          => out_data
+  );
+
+END tb;
+
+
+
+
+