test: add timestamp registers feature test

test/feature/timestamp_registers_feature_tb.vhd

+--------------------------------------------------------------------------------
+-- 
+-- CTU CAN FD IP Core
+-- Copyright (C) 2015-2018
+-- 
+-- Authors:
+--     Ondrej Ille <ondrej.ille@gmail.com>
+--     Martin Jerabek <martin.jerabek01@gmail.com>
+-- 
+-- Project advisors: 
+-- 	Jiri Novak <jnovak@fel.cvut.cz>
+-- 	Pavel Pisa <pisa@cmp.felk.cvut.cz>
+-- 
+-- Department of Measurement         (http://meas.fel.cvut.cz/)
+-- Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+-- Czech Technical University        (http://www.cvut.cz/)
+-- 
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this VHDL component and associated documentation files (the "Component"),
+-- to deal in the Component without restriction, including without limitation
+-- the rights to use, copy, modify, merge, publish, distribute, sublicense,
+-- and/or sell copies of the Component, and to permit persons to whom the
+-- Component is furnished to do so, subject to the following conditions:
+-- 
+-- The above copyright notice and this permission notice shall be included in
+-- all copies or substantial portions of the Component.
+-- 
+-- THE COMPONENT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHTHOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+-- FROM, OUT OF OR IN CONNECTION WITH THE COMPONENT OR THE USE OR OTHER DEALINGS
+-- IN THE COMPONENT.
+-- 
+-- The CAN protocol is developed by Robert Bosch GmbH and protected by patents.
+-- Anybody who wants to implement this IP core on silicon has to obtain a CAN
+-- protocol license from Bosch.
+-- 
+--------------------------------------------------------------------------------
+
+--------------------------------------------------------------------------------
+-- Purpose:
+--  Feature test for Timestamp options on RX frame in RX Buffer!
+--
+--------------------------------------------------------------------------------
+-- Revision History:
+--
+--    29.6.2018     Created file 
+--------------------------------------------------------------------------------
+
+context work.ctu_can_synth_context;
+context work.ctu_can_test_context;
+
+use lib.pkg_feature_exec_dispath.all;
+
+package timestamp_registers_feature is
+    procedure timestamp_registers_feature_exec(
+        variable    o               : out    feature_outputs_t;
+        signal      so              : out    feature_signal_outputs_t;
+        signal      rand_ctr        : inout  natural range 0 to RAND_POOL_SIZE;
+        signal      iout            : in     instance_outputs_arr_t;
+        signal      mem_bus         : inout  mem_bus_arr_t;
+        signal      bus_level       : in     std_logic
+	);
+end package;
+
+
+package body timestamp_registers_feature is
+    procedure timestamp_registers_feature_exec(
+        variable    o               : out    feature_outputs_t;
+        signal      so              : out    feature_signal_outputs_t;
+        signal      rand_ctr        : inout  natural range 0 to RAND_POOL_SIZE;
+        signal      iout            : in     instance_outputs_arr_t;
+        signal      mem_bus         : inout  mem_bus_arr_t;
+        signal      bus_level       : in     std_logic
+    ) is
+        variable r_data             :        std_logic_vector(31 downto 0) :=
+                                                 (OTHERS => '0');
+        variable ID_1               :        natural := 1;
+        variable diff               :        unsigned(63 downto 0);
+
+        variable ts_input           :        std_logic_vector(63 downto 0);
+        variable ts_read            :        std_logic_vector(63 downto 0);
+    begin
+        o.outcome := true;
+
+        wait for 1000 ns;
+
+        for i in 0 to 50 loop
+            ------------------------------------------------------------------------
+            -- Read and save timestamp from registers
+            ------------------------------------------------------------------------
+            ts_input := iout(1).stat_bus(STAT_TS_HIGH downto STAT_TS_LOW);
+
+            ------------------------------------------------------------------------
+            -- Read timestamp with lib function
+            ------------------------------------------------------------------------
+            CAN_read_timestamp(ts_read, ID_1, mem_bus(1));
+
+            ------------------------------------------------------------------------
+            -- Compare both values
+            ------------------------------------------------------------------------
+            info("Timestamp input: 0x" & to_hstring(ts_input));
+            info("Timestamp read: 0x" & to_hstring(ts_read));
+
+            diff := unsigned(ts_input) - unsigned(ts_read);
+
+            check(diff < 10, "Timestamp difference is too big! " & 
+                             "Difference " & integer'image(to_integer(diff)));
+        end loop;
+
+    end procedure;
+
+end package body;

test/tests_debug.yml

@@ -10,4 +10,4 @@ feature:
         timeout: 100 ms
         wave: feature/feature_env_setup.tcl
     tests:
-        suspend_transmission:
+        timestamp_registers: