URL
https://opencores.org/ocsvn/gpib_controller/gpib_controller/trunk
Subversion Repositories gpib_controller
[/] [gpib_controller/] [trunk/] [vhdl/] [src/] [wrapper/] [SettingsReg1.vhd] - Rev 13
Compare with Previous | Blame | View Log
-------------------------------------------------------------------------------- --This file is part of fpga_gpib_controller. -- -- Fpga_gpib_controller 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. -- -- Fpga_gpib_controller 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 Fpga_gpib_controller. If not, see <http://www.gnu.org/licenses/>. -------------------------------------------------------------------------------- -- Entity: SettingsReg0 -- Date:2011-11-09 -- Author: Andrzej Paluch -- -- Description ${cursor} -------------------------------------------------------------------------------- library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity SettingsReg1 is port ( reset : in std_logic; strobe : in std_logic; data_in : in std_logic_vector (15 downto 0); data_out : out std_logic_vector (15 downto 0); -- gpib myAddr : out std_logic_vector (4 downto 0); T1 : out std_logic_vector (7 downto 0) ); end SettingsReg1; architecture arch of SettingsReg1 is signal inner_buf : std_logic_vector (15 downto 0); begin inner_buf(15 downto 13) <= "000"; data_out <= inner_buf; myAddr <= inner_buf(4 downto 0); T1 <= inner_buf(12 downto 5); process (reset, strobe) begin if reset = '1' then -- default 132*Tclk = 2uS and addr=1 inner_buf(12 downto 0) <= "1000010000001"; elsif rising_edge(strobe) then inner_buf(12 downto 0) <= data_in(12 downto 0); end if; end process; end arch;