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----------------------------------------------------------------------------------
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-- Company:
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-- Engineer:
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--
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-- Create Date: 13:04:01 07/02/2012
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-- Design Name:
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-- Module Name: lpp_lfr_time_management - Behavioral
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-- Project Name:
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-- Target Devices:
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-- Tool versions:
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-- Description:
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--
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-- Dependencies:
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--
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-- Revision:
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-- Revision 0.01 - File Created
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-- Additional Comments:
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--
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----------------------------------------------------------------------------------
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LIBRARY IEEE;
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USE IEEE.STD_LOGIC_1164.ALL;
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LIBRARY grlib;
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USE grlib.amba.ALL;
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USE grlib.stdlib.ALL;
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USE grlib.devices.ALL;
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PACKAGE lpp_lfr_time_management IS
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--***************************
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-- APB_LFR_TIME_MANAGEMENT
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COMPONENT apb_lfr_time_management IS
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GENERIC(
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pindex : INTEGER := 0; --! APB slave index
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paddr : INTEGER := 0; --! ADDR field of the APB BAR
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pmask : INTEGER := 16#fff#; --! MASK field of the APB BAR
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FIRST_DIVISION : INTEGER;
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NB_SECOND_DESYNC : INTEGER);
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PORT (
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clk25MHz : IN STD_LOGIC; --! Clock
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clk24_576MHz : IN STD_LOGIC; --! secondary clock
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resetn : IN STD_LOGIC; --! Reset
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grspw_tick : IN STD_LOGIC; --! grspw signal asserted when a valid time-code is received
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apbi : IN apb_slv_in_type; --! APB slave input signals
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apbo : OUT apb_slv_out_type; --! APB slave output signals
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coarse_time : OUT STD_LOGIC_VECTOR(31 DOWNTO 0); --! coarse time
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fine_time : OUT STD_LOGIC_VECTOR(15 DOWNTO 0) --! fine time
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);
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END COMPONENT;
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COMPONENT lfr_time_management
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GENERIC (
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FIRST_DIVISION : INTEGER;
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NB_SECOND_DESYNC : INTEGER);
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PORT (
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clk : IN STD_LOGIC;
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rstn : IN STD_LOGIC;
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tick : IN STD_LOGIC;
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new_coarsetime : IN STD_LOGIC;
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coarsetime_reg : IN STD_LOGIC_VECTOR(30 DOWNTO 0);
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fine_time : OUT STD_LOGIC_VECTOR(15 DOWNTO 0);
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fine_time_new : OUT STD_LOGIC;
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coarse_time : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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coarse_time_new : OUT STD_LOGIC);
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END COMPONENT;
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COMPONENT coarse_time_counter
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GENERIC (
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NB_SECOND_DESYNC : INTEGER );
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PORT (
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clk : IN STD_LOGIC;
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rstn : IN STD_LOGIC;
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tick : IN STD_LOGIC;
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set_TCU : IN STD_LOGIC;
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new_TCU : IN STD_LOGIC;
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set_TCU_value : IN STD_LOGIC_VECTOR(30 DOWNTO 0);
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CT_add1 : IN STD_LOGIC;
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fsm_desync : IN STD_LOGIC;
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FT_max : IN STD_LOGIC;
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coarse_time : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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coarse_time_new : OUT STD_LOGIC);
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END COMPONENT;
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COMPONENT fine_time_counter
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GENERIC (
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WAITING_TIME : STD_LOGIC_VECTOR(15 DOWNTO 0);
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FIRST_DIVISION : INTEGER );
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PORT (
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clk : IN STD_LOGIC;
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rstn : IN STD_LOGIC;
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tick : IN STD_LOGIC;
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fsm_transition : IN STD_LOGIC;
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FT_max : OUT STD_LOGIC;
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FT_half : OUT STD_LOGIC;
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FT_wait : OUT STD_LOGIC;
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fine_time : OUT STD_LOGIC_VECTOR(15 DOWNTO 0);
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fine_time_new : OUT STD_LOGIC);
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END COMPONENT;
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END lpp_lfr_time_management;
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