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-- $Id: sys_conf.vhd 510 2013-04-26 16:14:57Z mueller $

--

-- Copyright 2012-2013 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

--

-- This program is free software; you may redistribute and/or modify it under

-- the terms of the GNU General Public License as published by the Free

-- Software Foundation, either version 2, or at your option any later version.

--

-- This program 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 complete details.

--

------------------------------------------------------------------------------

-- Package Name:   sys_conf

-- Description:    Definitions for sys_tst_fx2loop_ic3_n3 (for synthesis)

--

-- Dependencies:   -

-- Tool versions:  xst 13.3, 14.5; ghdl 0.29

-- Revision History: 

-- Date         Rev Version  Comment

-- 2012-04-25   510   1.1    use 3/2 clock-> 150 MHz sysclk

-- 2012-04-09   461   1.0    Initial version 

------------------------------------------------------------------------------

library ieee;

use ieee.std_logic_1164.all;

use work.slvtypes.all;

package sys_conf is

  constant sys_conf_clkfx_divide : positive   :=  2;

  constant sys_conf_clkfx_multiply : positive :=  3;

  constant sys_conf_fx2_type : string := "ic3";

  -- dummy values defs for generic parameters of as controller

  constant sys_conf_fx2_rdpwldelay : positive := 1;

  constant sys_conf_fx2_rdpwhdelay : positive := 1;

  constant sys_conf_fx2_wrpwldelay : positive := 1;

  constant sys_conf_fx2_wrpwhdelay : positive := 1;

  constant sys_conf_fx2_flagdelay  : positive := 1;

  -- pktend timer setting

  --   petowidth=10 -> 2^10 30 MHz clocks -> ~33 usec (normal operation)

  constant sys_conf_fx2_petowidth  : positive := 10;

  constant sys_conf_fx2_ccwidth  : positive := 5;

  constant sys_conf_hio_debounce : boolean := true;    -- instantiate debouncers

  -- derived constants

  constant sys_conf_clksys : integer :=

    (100000000/sys_conf_clkfx_divide)*sys_conf_clkfx_multiply;

  constant sys_conf_clksys_mhz : integer := sys_conf_clksys/1000000;

end package sys_conf;