Subversion Repositories astron_multiplexer

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--

-- Copyright 2020

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

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

-- 

-- Licensed under the Apache License, Version 2.0 (the "License");

-- you may not use this file except in compliance with the License.

-- You may obtain a copy of the License at

-- 

--     http://www.apache.org/licenses/LICENSE-2.0

-- 

-- Unless required by applicable law or agreed to in writing, software

-- distributed under the License is distributed on an "AS IS" BASIS,

-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-- See the License for the specific language governing permissions and

-- limitations under the License.

--

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

-- 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;