Subversion Repositories astron_multiplexer

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--

-- Copyright (C) 2015

-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>

-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands

--

-- This program 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.

--

-- 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 more details.

--

-- You should have received a copy of the GNU General Public License

-- along with this program.  If not, see <http://www.gnu.org/licenses/>.

--

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

-- Purpose: Output frame busy control signal for array of streams

-- Description:

--   See dp_frame_busy.

LIBRARY IEEE, dp_pkg_lib;

USE IEEE.std_logic_1164.ALL;

USE dp_pkg_lib.dp_stream_pkg.ALL;

ENTITY dp_frame_busy_arr IS

  GENERIC (

    g_nof_inputs : NATURAL := 1;

    g_pipeline   : NATURAL := 0

  );

  PORT (

    rst             : IN  STD_LOGIC;

    clk             : IN  STD_LOGIC;

    snk_in_arr      : IN  t_dp_sosi_arr(g_nof_inputs-1 DOWNTO 0);

    snk_in_busy_arr : OUT STD_LOGIC_VECTOR(g_nof_inputs-1 DOWNTO 0)

  );

END dp_frame_busy_arr;

ARCHITECTURE str OF dp_frame_busy_arr IS

BEGIN

  gen_nof_inputs : FOR I IN 0 TO g_nof_inputs-1 GENERATE

    u_dp_frame_busy : ENTITY work.dp_frame_busy

    GENERIC MAP (

      g_pipeline => g_pipeline

    )

    PORT MAP (

      rst         => rst,

      clk         => clk,

      snk_in      => snk_in_arr(I),

      snk_in_busy => snk_in_busy_arr(I)

    );

  END GENERATE;

END str;