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56 lines
1.7 KiB
VHDL
56 lines
1.7 KiB
VHDL
-- $Id: ioleds_sp1c.vhd 984 2018-01-02 20:56:27Z mueller $
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--
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-- Copyright 2015- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- Software Foundation, either version 3, or (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful, but
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-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for complete details.
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--
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------------------------------------------------------------------------------
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-- Module Name: ioleds_sp1c - syn
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-- Description: io activity leds for rlink+serport_1clk combo
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--
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-- Dependencies: -
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-- Test bench: -
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--
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-- Target Devices: generic
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-- Tool versions: xst 17.7; viv 2014.4; ghdl 0.31
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--
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-- Revision History:
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-- Date Rev Version Comment
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-- 2015-02-21 649 1.0 Initial version
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------------------------------------------------------------------------------
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use work.slvtypes.all;
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use work.rlinklib.all;
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use work.serportlib.all;
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entity ioleds_sp1c is -- io activity leds for rlink_sp1c
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port (
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SER_MONI : in serport_moni_type; -- ser: monitor port
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IOLEDS : out slv4 -- 4 bit IO monitor (e.g. for DSP_DP)
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);
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end entity ioleds_sp1c;
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architecture syn of ioleds_sp1c is
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begin
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-- currently very minimal implementation
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IOLEDS(3) <= not SER_MONI.txok;
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IOLEDS(2) <= SER_MONI.txact;
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IOLEDS(1) <= not SER_MONI.rxok;
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IOLEDS(0) <= SER_MONI.rxact;
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end syn;
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