OpenCores
URL https://opencores.org/ocsvn/ether_arp_1g/ether_arp_1g/trunk

Subversion Repositories ether_arp_1g

Compare Revisions

  • This comparison shows the changes necessary to convert path 
    /
    from Rev 3 to Rev 4
    ↔ Reverse comparison
  •

Rev 3 → Rev 4

/ether_arp_1g/trunk/testbench/tb-arp_responder.vhdl
1,17 → 1,3
----------------------------------------------------------------------------------
-- Company: Carnegie Mellon University, Pittsburgh PA
-- Engineer: Justin Wagner
--
-- Create Date: 7/Oct/2011
-- Design Name:
-- Module Name: tb_arp_package - testbench
-- Project Name:
-- Target Devices: n/a
-- Tool versions:
--
-- Dependencies: arp_package.vhdl (Definitions of various constants)
--
----------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
186,9 → 172,9
wait_tb_clk;
end loop;
 
-- Generate THA
-- Generate THA (Zero since we don't know it!)
for i in 0 to 5 loop
DATA_RX <= MY_MAC((47-i*8) downto (40-i*8));
DATA_RX <= (others => '0');
wait_tb_clk;
end loop;
 
/ether_arp_1g/trunk/testbench/tb-ed.vhdl
1,17 → 1,3
----------------------------------------------------------------------------------
-- Company: Carnegie Mellon University, Pittsburgh PA
-- Engineer: Justin Wagner
--
-- Create Date: 7/Oct/2011
-- Design Name:
-- Module Name: tb_edge_detector - testbench
-- Project Name:
-- Target Devices: n/a
-- Tool versions:
--
-- Dependencies:
--
----------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use std.textio.all;
/ether_arp_1g/trunk/rtl/arp_responder.vhdl
1,5 → 1,5
----------------------------------------------------------------------------------
-- Company: Carnegie Mellon University, Pittsburgh PA
-- Company: Eastern Washington University, Cheney, WA
-- Engineer: Justin Wagner
--
-- Create Date: 7/Oct/2011
8,6 → 8,7
-- Project Name:
-- Target Devices: n/a
-- Tool versions:
-- Description: Project for Job application to XR Trading
--
-- Dependencies: arp_package.vhdl (Definitions of various constants)
--
47,7 → 48,7
type state_type is (IDLE,
CHECK_DA, CHECK_SA, CHECK_E_TYPE, CHECK_H_TYPE, CHECK_P_TYPE,
CHECK_H_LEN, CHECK_P_LEN, CHECK_OPER, CHECK_SHA, CHECK_SPA,
CHECK_THA, CHECK_TPA,
IGNORE_THA, CHECK_TPA,
GEN_DA, GEN_SA, GEN_E_TYPE, GEN_H_TYPE, GEN_P_TYPE,
GEN_H_LEN, GEN_P_LEN, GEN_OPER, GEN_SHA, GEN_SPA,
GEN_THA, GEN_TPA);
57,8 → 58,8
signal next_state, state : state_type;
signal next_counter, counter : std_logic_vector(3 downto 0);
signal posedge_DATA_VALID_RX : std_logic;
signal next_DATA_VALID_TX : std_logic;
signal next_DATA_TX : std_logic_vector(7 downto 0);
signal next_DATA_VALID_TX, next_2_DATA_VALID_TX : std_logic;
signal next_DATA_TX, next_2_DATA_TX : std_logic_vector(7 downto 0);
 
begin
 
216,21 → 217,16
next_state <= CHECK_SPA;
next_SPA_mem(conv_integer(counter)) <= DATA_RX;
if (counter >= 3) then
next_state <= CHECK_THA;
next_state <= IGNORE_THA;
next_counter <= (others => '0');
end if;
 
when CHECK_THA =>
-- Make sure we are the destination Hardware Address
when IGNORE_THA =>
-- Ignore the destination Hardware Address (ARP requests can't fill this out by definition)
next_state <= IGNORE_THA;
next_counter <= counter + 1;
if (DATA_RX = MY_MAC((47-(conv_integer(counter)*8)) downto (40-(conv_integer(counter)*8)))) then
next_state <= CHECK_THA;
if (counter >= 5) then
next_state <= CHECK_TPA;
next_counter <= (others => '0');
end if;
else
next_state <= IDLE;
if (counter >= 5) then
next_state <= CHECK_TPA;
next_counter <= (others => '0');
end if;
 
416,12 → 412,16
begin
 
if (ARESET='1') then --resetting the board
DATA_VALID_TX <= '0';
DATA_TX <= (others => '0');
DATA_VALID_TX <= '0';
DATA_TX <= (others => '0');
next_2_DATA_VALID_TX <= '0';
next_2_DATA_TX <= (others => '0');
-- move next state values into registers on clock edge
elsif (CLK_TX'event and CLK_TX ='1') then
DATA_VALID_TX <= next_DATA_VALID_TX;
DATA_TX <= next_DATA_TX;
next_2_DATA_VALID_TX <= next_DATA_VALID_TX;
next_2_DATA_TX <= next_DATA_TX;
DATA_VALID_TX <= next_2_DATA_VALID_TX;
DATA_TX <= next_2_DATA_TX;
else
NULL;
end if;
/ether_arp_1g/trunk/rtl/arp_package.vhdl
1,17 → 1,9
----------------------------------------------------------------------------------
-- Company: Carnegie Mellon University, Pittsburgh PA
-- Engineer: Justin Wagner
--
-- Create Date: 7/Oct/2011
-- Design Name:
-- Module Name: arp_package - package
-- Project Name:
-- Target Devices: n/a
-- Tool versions:
-- author: Justin Wagner
-- file: arp_package.vhdl
-- comment: package for ARP
--
-- Dependencies: arp_package.vhdl (Definitions of various constants)
--
----------------------------------------------------------------------------------
 
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;

powered by: WebSVN 2.1.0

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