OpenCores
URL https://opencores.org/ocsvn/open_hitter/open_hitter/trunk

Subversion Repositories open_hitter

Compare Revisions

  • This comparison shows the changes necessary to convert path 
    /open_hitter/trunk
    from Rev 11 to Rev 12
    ↔ Reverse comparison
  •

Rev 11 → Rev 12

/bench/vhdl/search_item_wrapper.vhd
0,0 → 1,186
--////////////////////////////////////////////////////////////////////
--// ////
--// search_item.vhd ////
--// ////
--// This file is part of the open_hitter opencores effort. ////
--// <http://www.opencores.org/cores/open_hitter/> ////
--// ////
--// Module Description: ////
--// Simulation program (non-synthesizable) ////
--// Drives auto regression tests via NSEW button actions and ////
--// NSEW LED reporting ////
--// target env: ghdl <attrib required> ////
--// ////
--// To Do: ////
--// ////
--// Author(s): ////
--// - Stephen Hawes ////
--// ////
--////////////////////////////////////////////////////////////////////
--// ////
--// Copyright (C) 2015 Stephen Hawes and OPENCORES.ORG ////
--// ////
--// This source file may be used and distributed without ////
--// restriction provided that this copyright statement is not ////
--// removed from the file and that any derivative work contains ////
--// the original copyright notice and the associated disclaimer. ////
--// ////
--// This source file is free software; you can redistribute it ////
--// and/or modify it under the terms of the GNU Lesser General ////
--// Public License as published by the Free Software Foundation; ////
--// either version 2.1 of the License, or (at your option) any ////
--// later version. ////
--// ////
--// This source 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 Lesser General Public License for more ////
--// details. ////
--// ////
--// You should have received a copy of the GNU Lesser General ////
--// Public License along with this source; if not, download it ////
--// from <http://www.opencores.org/lgpl.shtml> ////
--// ////
--////////////////////////////////////////////////////////////////////
--//
--// \$Id\$ TAKE OUT THE \'s and this comment in order to get this to work
--//
--// CVS Revision History
--//
--// \$Log\$ TAKE OUT THE \'s and this comment in order to get this to work
--//
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.ALL;
use std.textio.all; -- Imports the standard textio package.
 
entity search_item_wrapper is
end search_item_wrapper;
 
architecture behaviour of search_item_wrapper is
component search_item
port (
RX_CLK: in std_logic;
-- control flag(s) on the incoming bus
b1_px_valid: in std_logic;
-- pxdata: in price_packet
b1_px_type: in std_logic_vector(4 downto 0);
b1_buy_sell: in std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b1_px: in std_logic_vector(15 downto 0); -- price
b1_qty: in std_logic_vector(15 downto 0); -- quantity
b1_sec: in std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b1_id: in std_logic_vector(15 downto 0); -- unique/identifier/counter
-- pxdata: out price_packet
b2_px_type: out std_logic_vector(4 downto 0);
b2_buy_sell: out std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b2_px: out std_logic_vector(15 downto 0); -- price
b2_qty: out std_logic_vector(15 downto 0); -- quantity
b2_sec: out std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b2_id: out std_logic_vector(15 downto 0) -- unique/identifier/counter
);
end component;
for search_item_0: search_item use entity work.search_item;
signal RX_CLK: std_logic;
-- control flag(s) on the incoming bus
signal b1_px_valid: std_logic;
-- pxdata: in price_packet
signal b1_px_type: std_logic_vector(4 downto 0);
signal b1_buy_sell: std_logic_vector(2 downto 0); -- 111 buy, 000 sell
signal b1_px: std_logic_vector(15 downto 0); -- price
signal b1_qty: std_logic_vector(15 downto 0); -- quantity
signal b1_sec: std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
signal b1_id: std_logic_vector(15 downto 0); -- unique/identifier/counter
-- pxdata: out price_packet
signal b2_px_type: std_logic_vector(4 downto 0);
signal b2_buy_sell: std_logic_vector(2 downto 0); -- 111 buy, 000 sell
signal b2_px: std_logic_vector(15 downto 0); -- price
signal b2_qty: std_logic_vector(15 downto 0); -- quantity
signal b2_sec: std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
signal b2_id: std_logic_vector(15 downto 0); -- unique/identifier/counter
begin
search_item_0: search_item port map (
RX_CLK => RX_CLK,
-- control flag(s) on the incoming bus
b1_px_valid => b1_px_valid,
-- pxdata: in price_packet
b1_px_type => b1_px_type,
b1_buy_sell => b1_buy_sell,
b1_px => b1_px,
b1_qty => b1_qty,
b1_sec => b1_sec,
b1_id => b1_id,
-- pxdata: out price_packet
b2_px_type => b2_px_type,
b2_buy_sell => b2_buy_sell,
b2_px => b2_px,
b2_qty => b2_qty,
b2_sec => b2_sec,
b2_id => b2_id
);
process
variable l : line;
 
type input_pattern_type is record
-- control flag(s) on the incoming bus
b1_px_valid: std_logic;
-- pxdata: in price_packet
b1_px_type: std_logic_vector(4 downto 0);
b1_buy_sell: std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b1_px: std_logic_vector(15 downto 0); -- price
b1_qty: std_logic_vector(15 downto 0); -- quantity
b1_sec: std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b1_id: std_logic_vector(15 downto 0); -- unique/identifier/counter
end record;
type output_pattern_type is record
-- pxdata: out price_packet
b2_px_type: std_logic_vector(4 downto 0);
b2_buy_sell: std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b2_px: std_logic_vector(15 downto 0); -- price
b2_qty: std_logic_vector(15 downto 0); -- quantity
b2_sec: std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b2_id: std_logic_vector(15 downto 0); -- unique/identifier/counter
end record;
 
-- The patterns to apply.
constant px1: std_logic_vector(15 downto 0) := (others => 'Z');
constant qty1: std_logic_vector(15 downto 0) := (others => 'Z');
constant sec1: std_logic_vector(55 downto 0) := (others => 'Z');
constant id1: std_logic_vector(15 downto 0) := (others => 'Z');
type input_pattern_array is array (natural range <>) of input_pattern_type;
-- constant input_patterns : input_pattern_array :=
-- ( ('0', std_logic_vector'("ZZZZ"), std_logic_vector'("ZZZ"), px1, qty1, sec1, id1),
-- ('0', std_logic_vector'("ZZZZ"), std_logic_vector'("ZZZ"), px1, qty1, sec1, id1) );
type output_pattern_array is array (natural range <>) of output_pattern_type;
-- constant output_patterns : output_pattern_array :=
-- ( (std_logic_vector'("ZZZZ"), std_logic_vector'("ZZZ"), (others => 'Z'), (others => 'Z'), (others => 'Z'), (others => 'Z')),
-- (std_logic_vector'("ZZZZ"), std_logic_vector'("ZZZ"), (others => 'Z'), (others => 'Z'), (others => 'Z'), (others => 'Z')) );
 
begin
write (l, String'("Exercising search_item"));
writeline (output, l);
 
-- Check each pattern.
-- for i in patterns'range loop
-- Set the inputs.
-- i0 <= patterns(i).i0;
-- i1 <= patterns(i).i1;
-- ci <= patterns(i).ci;
-- Wait for the results.
-- wait for 1 ns;
-- Check the outputs.
-- assert s = patterns(i).s
-- report "bad sum value" severity error;
-- assert co = patterns(i).co
-- report "bad carray out value" severity error;
-- end loop;
-- assert false report "end of test" severity note;
-- Wait forever; this will finish the simulation.
-- wait;
write (l, String'("Done search_item"));
writeline (output, l);
 
wait;
end process;
end behaviour;
 
/bench/vhdl/build.sh
2,11 → 2,15
 
# analysis
ghdl -a ../../rtl/vhdl/parse_price.vhd
ghdl -a ../../rtl/vhdl/search_item.vhd
#
ghdl -a ../../sim/rtl_sim/src/parse_price_sim.vhd
ghdl -a ../../sim/rtl_sim/src/hitter_sim.vhd
ghdl -a search_item_wrapper.vhd
ghdl -a parse_price_wrapper.vhd
ghdl -a ../../sim/rtl_sim/src/hitter_sim.vhd
ghdl -a hitter_wrapper.vhd
 
 
# elaboration & run
ghdl -e parse_price
 
14,7 → 18,10
ghdl -e parse_price_sim
 
ghdl -e parse_price_wrapper
ghdl -r parse_price_wrapper
#ghdl -r parse_price_wrapper
 
ghdl -e hitter_wrapper
ghdl -r hitter_wrapper
#ghdl -r hitter_wrapper
 
ghdl -e search_item_wrapper
#ghdl -r search_item_wrapper
/rtl/vhdl/search_item.vhd
53,6 → 53,7
--//
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.ALL;
 
entity search_item is
port (
60,12 → 61,12
-- control flag(s) on the incoming bus
b1_px_valid: in std_logic;
-- pxdata: in price_packet
b1_px_type: out std_logic_vector(4 downto 0);
b1_buy_sell: out std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b1_px: out std_logic_vector(15 downto 0); -- price
b1_qty: out std_logic_vector(15 downto 0); -- quantity
b1_sec: out std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b1_id: out std_logic_vector(15 downto 0); -- unique/identifier/counter
b1_px_type: in std_logic_vector(4 downto 0);
b1_buy_sell: in std_logic_vector(2 downto 0); -- 111 buy, 000 sell
b1_px: in std_logic_vector(15 downto 0); -- price
b1_qty: in std_logic_vector(15 downto 0); -- quantity
b1_sec: in std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b1_id: in std_logic_vector(15 downto 0); -- unique/identifier/counter
-- pxdata: out price_packet
b2_px_type: out std_logic_vector(4 downto 0);
b2_buy_sell: out std_logic_vector(2 downto 0); -- 111 buy, 000 sell
72,7 → 73,7
b2_px: out std_logic_vector(15 downto 0); -- price
b2_qty: out std_logic_vector(15 downto 0); -- quantity
b2_sec: out std_logic_vector(55 downto 0); -- 7x 8bits securities identifier
b2_id: out std_logic_vector(15 downto 0); -- unique/identifier/counter
b2_id: out std_logic_vector(15 downto 0) -- unique/identifier/counter
);
end search_item;
 
89,10 → 90,9
match: process (RX_CLK) is
begin
if rising_edge(RX_CLK) then
if b1_px_valid then
if b1_px_valid = '0' then
 
case b1_px_type is
when '0000' =>
if b1_px_type = std_logic_vector'("0000") then
-- do reset store and outputs
store_px_type <= (others => '0');
store_buy_sell <= (others => '0'); -- 111 buy, 000 sell
108,10 → 108,10
b2_sec <= (others => 'Z'); -- 7x 8bits securities identifier
b2_id <= (others => 'Z'); -- unique/identifier/counter
--
b2_px_type <== '0000';
b2_px_type <= std_logic_vector'(std_logic_vector'("0000"));
state <= 8;
 
when '0110' =>
elsif b1_px_type = std_logic_vector'("0110") then
-- do set store from incoming price
store_px_type <= b1_px_type;
store_buy_sell <= b1_buy_sell;
120,35 → 120,47
store_sec <= b1_sec;
store_id <= b1_id;
--
b2_px_type <== '0000';
b2_px_type <= std_logic_vector'(std_logic_vector'("0000"));
state <= 8;
 
when '0101' =>
elsif b1_px_type = std_logic_vector'("0101") then
-- incoming price, register it and start the state machine
if (store_sec != b1_sec or store_buy_sell == b1_buy_sell or store_px_type != '0110')
if (store_sec /= b1_sec or store_buy_sell = b1_buy_sell or store_px_type /= std_logic_vector'(std_logic_vector'("0110")) ) then
-- not this store_item instance no action, also stop anything that might be going on
state <= 14;
elsif (store_qty == 0 or b1_qty == 0 or
(store_buy_sell == '111' and store_px < b1_px) or
(store_buy_sell == '000' and store_px > b1_px) )
elsif (to_integer(unsigned(store_qty)) = 0 or to_integer(unsigned(b1_qty)) = 0 or
(store_buy_sell = std_logic_vector'("111") and store_px < b1_px) or
(store_buy_sell = std_logic_vector'("000") and store_px > b1_px) ) then
-- no deal: this is the correct store_item but there's no match
b2_px_type <== '0000';
b2_px_type <= std_logic_vector'(std_logic_vector'("0000"));
state <= 8;
else
-- send a return order
b2_px_type <= '1010';
b2_px_type <= std_logic_vector'("1010");
b2_buy_sell <= store_buy_sell; -- 111 buy, 000 sell
b2_px <= b1_px; -- price
b2_qty <= b1_qty when (b1_qty < store_qty) else store_qty; -- quantity
b2_sec <= store_sec: -- 7x 8bits securities identifier
-- b2_qty <=
if b1_qty < store_qty then
b2_qty <= b1_qty;
else
b2_qty <= store_qty;
end if; -- quantity
b2_sec <= store_sec; -- 7x 8bits securities identifier
b2_id <= store_id; -- unique/identifier/counter
-- update the store
store_qty <= (store_qty-b1_qty) when (b1_qty < store_qty) else 0;
state <= 1;
-- store_qty
if (b1_qty < store_qty) then
store_qty <= std_logic_vector(to_unsigned( to_integer(unsigned(store_qty)) - to_integer(unsigned(b1_qty)) ,16 ));
else
store_qty <= (others => '0');
state <= 1;
end if;
end if;
 
when others => null;
end case; -- b1_px_type
else
-- no action
null;
end if; -- b1_px_type
 
else -- b1_px_valid
-- no incoming b1_px so check for state machine actions
160,12 → 172,12
b2_px <= (others => 'Z'); -- price
b2_qty <= (others => 'Z'); -- quantity
b2_sec <= (others => 'Z'); -- 7x 8bits securities identifier
b2_id <= (others => 'Z'): -- unique/identifier/counter
b2_id <= (others => 'Z'); -- unique/identifier/counter
state <= 16;
 
when 8 =>
-- correct store_item but there was no match
b2_px_type <== 'ZZZZ';
b2_px_type <= std_logic_vector'("ZZZZ");
state <= 16;
 
when others => null;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.