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------------------------------------------------------------------------------
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-- This file is a part of the LPP VHDL IP LIBRARY
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-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (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,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------
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-- Author : Jean-christophe Pellion
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-- Mail : jean-christophe.pellion@lpp.polytechnique.fr
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-- jean-christophe.pellion@easii-ic.com
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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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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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LIBRARY lpp;
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USE lpp.lpp_amba.ALL;
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USE lpp.apb_devices_list.ALL;
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USE lpp.lpp_memory.ALL;
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LIBRARY techmap;
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USE techmap.gencomp.ALL;
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ENTITY lpp_top_apbreg IS
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GENERIC (
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nb_burst_available_size : INTEGER := 11;
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nb_snapshot_param_size : INTEGER := 11;
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delta_snapshot_size : INTEGER := 16;
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delta_f2_f0_size : INTEGER := 10;
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delta_f2_f1_size : INTEGER := 10;
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pindex : INTEGER := 4;
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paddr : INTEGER := 4;
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pmask : INTEGER := 16#fff#;
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pirq : INTEGER := 0);
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PORT (
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-- AMBA AHB system signals
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HCLK : IN STD_ULOGIC;
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HRESETn : IN STD_ULOGIC;
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-- AMBA APB Slave Interface
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apbi : IN apb_slv_in_type;
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apbo : OUT apb_slv_out_type;
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---------------------------------------------------------------------------
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-- Spectral Matrix Reg
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-- IN
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ready_matrix_f0_0 : IN STD_LOGIC;
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ready_matrix_f0_1 : IN STD_LOGIC;
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ready_matrix_f1 : IN STD_LOGIC;
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ready_matrix_f2 : IN STD_LOGIC;
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error_anticipating_empty_fifo : IN STD_LOGIC;
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error_bad_component_error : IN STD_LOGIC;
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debug_reg : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
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-- OUT
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status_ready_matrix_f0_0 : OUT STD_LOGIC;
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status_ready_matrix_f0_1 : OUT STD_LOGIC;
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status_ready_matrix_f1 : OUT STD_LOGIC;
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status_ready_matrix_f2 : OUT STD_LOGIC;
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status_error_anticipating_empty_fifo : OUT STD_LOGIC;
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status_error_bad_component_error : OUT STD_LOGIC;
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config_active_interruption_onNewMatrix : OUT STD_LOGIC;
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config_active_interruption_onError : OUT STD_LOGIC;
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addr_matrix_f0_0 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f0_1 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f1 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f2 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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---------------------------------------------------------------------------
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---------------------------------------------------------------------------
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-- WaveForm picker Reg
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status_full : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
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status_full_ack : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
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status_full_err : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
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status_new_err : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
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-- OUT
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data_shaping_BW : OUT STD_LOGIC;
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data_shaping_SP0 : OUT STD_LOGIC;
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data_shaping_SP1 : OUT STD_LOGIC;
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data_shaping_R0 : OUT STD_LOGIC;
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data_shaping_R1 : OUT STD_LOGIC;
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delta_snapshot : OUT STD_LOGIC_VECTOR(delta_snapshot_size-1 DOWNTO 0);
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delta_f2_f1 : OUT STD_LOGIC_VECTOR(delta_f2_f1_size-1 DOWNTO 0);
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delta_f2_f0 : OUT STD_LOGIC_VECTOR(delta_f2_f0_size-1 DOWNTO 0);
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nb_burst_available : OUT STD_LOGIC_VECTOR(nb_burst_available_size-1 DOWNTO 0);
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nb_snapshot_param : OUT STD_LOGIC_VECTOR(nb_snapshot_param_size-1 DOWNTO 0);
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enable_f0 : OUT STD_LOGIC;
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enable_f1 : OUT STD_LOGIC;
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enable_f2 : OUT STD_LOGIC;
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enable_f3 : OUT STD_LOGIC;
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burst_f0 : OUT STD_LOGIC;
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burst_f1 : OUT STD_LOGIC;
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burst_f2 : OUT STD_LOGIC;
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addr_data_f0 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f1 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f2 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f3 : OUT STD_LOGIC_VECTOR(31 DOWNTO 0)
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---------------------------------------------------------------------------
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);
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END lpp_top_apbreg;
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ARCHITECTURE beh OF lpp_top_apbreg IS
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CONSTANT REVISION : INTEGER := 1;
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CONSTANT pconfig : apb_config_type := (
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0 => ahb_device_reg (VENDOR_LPP, LPP_DMA_TYPE, 2, REVISION, pirq),
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1 => apb_iobar(paddr, pmask));
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TYPE lpp_SpectralMatrix_regs IS RECORD
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config_active_interruption_onNewMatrix : STD_LOGIC;
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config_active_interruption_onError : STD_LOGIC;
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status_ready_matrix_f0_0 : STD_LOGIC;
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status_ready_matrix_f0_1 : STD_LOGIC;
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status_ready_matrix_f1 : STD_LOGIC;
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status_ready_matrix_f2 : STD_LOGIC;
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status_error_anticipating_empty_fifo : STD_LOGIC;
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status_error_bad_component_error : STD_LOGIC;
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addr_matrix_f0_0 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f0_1 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f1 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_matrix_f2 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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END RECORD;
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SIGNAL reg_sp : lpp_SpectralMatrix_regs;
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TYPE lpp_WaveformPicker_regs IS RECORD
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status_full : STD_LOGIC_VECTOR(3 DOWNTO 0);
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status_full_err : STD_LOGIC_VECTOR(3 DOWNTO 0);
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status_new_err : STD_LOGIC_VECTOR(3 DOWNTO 0);
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data_shaping_BW : STD_LOGIC;
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data_shaping_SP0 : STD_LOGIC;
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data_shaping_SP1 : STD_LOGIC;
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data_shaping_R0 : STD_LOGIC;
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data_shaping_R1 : STD_LOGIC;
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delta_snapshot : STD_LOGIC_VECTOR(delta_snapshot_size-1 DOWNTO 0);
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delta_f2_f1 : STD_LOGIC_VECTOR(delta_f2_f1_size-1 DOWNTO 0);
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delta_f2_f0 : STD_LOGIC_VECTOR(delta_f2_f0_size-1 DOWNTO 0);
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nb_burst_available : STD_LOGIC_VECTOR(nb_burst_available_size-1 DOWNTO 0);
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nb_snapshot_param : STD_LOGIC_VECTOR(nb_snapshot_param_size-1 DOWNTO 0);
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enable_f0 : STD_LOGIC;
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enable_f1 : STD_LOGIC;
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enable_f2 : STD_LOGIC;
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enable_f3 : STD_LOGIC;
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burst_f0 : STD_LOGIC;
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burst_f1 : STD_LOGIC;
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burst_f2 : STD_LOGIC;
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addr_data_f0 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f1 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f2 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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addr_data_f3 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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END RECORD;
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SIGNAL reg_wp : lpp_WaveformPicker_regs;
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SIGNAL prdata : STD_LOGIC_VECTOR(31 DOWNTO 0);
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BEGIN -- beh
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status_ready_matrix_f0_0 <= reg_sp.status_ready_matrix_f0_0;
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status_ready_matrix_f0_1 <= reg_sp.status_ready_matrix_f0_1;
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status_ready_matrix_f1 <= reg_sp.status_ready_matrix_f1;
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status_ready_matrix_f2 <= reg_sp.status_ready_matrix_f2;
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status_error_anticipating_empty_fifo <= reg_sp.status_error_anticipating_empty_fifo;
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status_error_bad_component_error <= reg_sp.status_error_bad_component_error;
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config_active_interruption_onNewMatrix <= reg_sp.config_active_interruption_onNewMatrix;
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config_active_interruption_onError <= reg_sp.config_active_interruption_onError;
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addr_matrix_f0_0 <= reg_sp.addr_matrix_f0_0;
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addr_matrix_f0_1 <= reg_sp.addr_matrix_f0_1;
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addr_matrix_f1 <= reg_sp.addr_matrix_f1;
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addr_matrix_f2 <= reg_sp.addr_matrix_f2;
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data_shaping_BW <= NOT reg_wp.data_shaping_BW;
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data_shaping_SP0 <= reg_wp.data_shaping_SP0;
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data_shaping_SP1 <= reg_wp.data_shaping_SP1;
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data_shaping_R0 <= reg_wp.data_shaping_R0;
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data_shaping_R1 <= reg_wp.data_shaping_R1;
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delta_snapshot <= reg_wp.delta_snapshot;
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delta_f2_f1 <= reg_wp.delta_f2_f1;
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delta_f2_f0 <= reg_wp.delta_f2_f0;
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nb_burst_available <= reg_wp.nb_burst_available;
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nb_snapshot_param <= reg_wp.nb_snapshot_param;
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enable_f0 <= reg_wp.enable_f0;
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enable_f1 <= reg_wp.enable_f1;
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enable_f2 <= reg_wp.enable_f2;
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enable_f3 <= reg_wp.enable_f3;
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burst_f0 <= reg_wp.burst_f0;
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burst_f1 <= reg_wp.burst_f1;
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burst_f2 <= reg_wp.burst_f2;
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addr_data_f0 <= reg_wp.addr_data_f0;
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addr_data_f1 <= reg_wp.addr_data_f1;
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addr_data_f2 <= reg_wp.addr_data_f2;
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addr_data_f3 <= reg_wp.addr_data_f3;
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lpp_top_apbreg : PROCESS (HCLK, HRESETn)
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VARIABLE paddr : STD_LOGIC_VECTOR(7 DOWNTO 2);
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BEGIN -- PROCESS lpp_dma_top
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IF HRESETn = '0' THEN -- asynchronous reset (active low)
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reg_sp.config_active_interruption_onNewMatrix <= '0';
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reg_sp.config_active_interruption_onError <= '0';
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reg_sp.status_ready_matrix_f0_0 <= '0';
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reg_sp.status_ready_matrix_f0_1 <= '0';
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reg_sp.status_ready_matrix_f1 <= '0';
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reg_sp.status_ready_matrix_f2 <= '0';
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reg_sp.status_error_anticipating_empty_fifo <= '0';
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reg_sp.status_error_bad_component_error <= '0';
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reg_sp.addr_matrix_f0_0 <= (OTHERS => '0');
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reg_sp.addr_matrix_f0_1 <= (OTHERS => '0');
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reg_sp.addr_matrix_f1 <= (OTHERS => '0');
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reg_sp.addr_matrix_f2 <= (OTHERS => '0');
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prdata <= (OTHERS => '0');
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apbo.pirq <= (OTHERS => '0');
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status_full_ack <= (OTHERS => '0');
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reg_wp.data_shaping_BW <= '0';
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reg_wp.data_shaping_SP0 <= '0';
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reg_wp.data_shaping_SP1 <= '0';
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reg_wp.data_shaping_R0 <= '0';
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reg_wp.data_shaping_R1 <= '0';
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reg_wp.enable_f0 <= '0';
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reg_wp.enable_f1 <= '0';
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reg_wp.enable_f2 <= '0';
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reg_wp.enable_f3 <= '0';
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reg_wp.burst_f0 <= '0';
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reg_wp.burst_f1 <= '0';
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reg_wp.burst_f2 <= '0';
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reg_wp.addr_data_f0 <= (OTHERS => '0');
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reg_wp.addr_data_f1 <= (OTHERS => '0');
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reg_wp.addr_data_f2 <= (OTHERS => '0');
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reg_wp.addr_data_f3 <= (OTHERS => '0');
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reg_wp.status_full <= (OTHERS => '0');
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reg_wp.status_full_err <= (OTHERS => '0');
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reg_wp.status_new_err <= (OTHERS => '0');
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reg_wp.delta_snapshot <= (OTHERS => '0');
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reg_wp.delta_f2_f1 <= (OTHERS => '0');
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reg_wp.delta_f2_f0 <= (OTHERS => '0');
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reg_wp.nb_burst_available <= (OTHERS => '0');
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reg_wp.nb_snapshot_param <= (OTHERS => '0');
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ELSIF HCLK'EVENT AND HCLK = '1' THEN -- rising clock edge
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status_full_ack <= (OTHERS => '0');
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reg_sp.status_ready_matrix_f0_0 <= reg_sp.status_ready_matrix_f0_0 OR ready_matrix_f0_0;
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reg_sp.status_ready_matrix_f0_1 <= reg_sp.status_ready_matrix_f0_1 OR ready_matrix_f0_1;
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reg_sp.status_ready_matrix_f1 <= reg_sp.status_ready_matrix_f1 OR ready_matrix_f1;
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reg_sp.status_ready_matrix_f2 <= reg_sp.status_ready_matrix_f2 OR ready_matrix_f2;
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reg_sp.status_error_anticipating_empty_fifo <= reg_sp.status_error_anticipating_empty_fifo OR error_anticipating_empty_fifo;
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reg_sp.status_error_bad_component_error <= reg_sp.status_error_bad_component_error OR error_bad_component_error;
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reg_wp.status_full <= reg_wp.status_full OR status_full;
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reg_wp.status_full_err <= reg_wp.status_full_err OR status_full_err;
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reg_wp.status_new_err <= reg_wp.status_new_err OR status_new_err;
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paddr := "000000";
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paddr(7 DOWNTO 2) := apbi.paddr(7 DOWNTO 2);
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prdata <= (OTHERS => '0');
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IF apbi.psel(pindex) = '1' THEN
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-- APB DMA READ --
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CASE paddr(7 DOWNTO 2) IS
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--
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WHEN "000000" => prdata(0) <= reg_sp.config_active_interruption_onNewMatrix;
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prdata(1) <= reg_sp.config_active_interruption_onError;
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WHEN "000001" => prdata(0) <= reg_sp.status_ready_matrix_f0_0;
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prdata(1) <= reg_sp.status_ready_matrix_f0_1;
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prdata(2) <= reg_sp.status_ready_matrix_f1;
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prdata(3) <= reg_sp.status_ready_matrix_f2;
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prdata(4) <= reg_sp.status_error_anticipating_empty_fifo;
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prdata(5) <= reg_sp.status_error_bad_component_error;
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WHEN "000010" => prdata <= reg_sp.addr_matrix_f0_0;
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WHEN "000011" => prdata <= reg_sp.addr_matrix_f0_1;
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WHEN "000100" => prdata <= reg_sp.addr_matrix_f1;
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WHEN "000101" => prdata <= reg_sp.addr_matrix_f2;
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WHEN "000110" => prdata <= debug_reg;
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--
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WHEN "001000" => prdata(0) <= reg_wp.data_shaping_BW;
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prdata(1) <= reg_wp.data_shaping_SP0;
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prdata(2) <= reg_wp.data_shaping_SP1;
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prdata(3) <= reg_wp.data_shaping_R0;
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prdata(4) <= reg_wp.data_shaping_R1;
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WHEN "001001" => prdata(0) <= reg_wp.enable_f0;
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prdata(1) <= reg_wp.enable_f1;
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prdata(2) <= reg_wp.enable_f2;
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prdata(3) <= reg_wp.enable_f3;
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prdata(4) <= reg_wp.burst_f0;
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prdata(5) <= reg_wp.burst_f1;
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prdata(6) <= reg_wp.burst_f2;
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WHEN "001010" => prdata <= reg_wp.addr_data_f0;
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WHEN "001011" => prdata <= reg_wp.addr_data_f1;
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WHEN "001100" => prdata <= reg_wp.addr_data_f2;
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WHEN "001101" => prdata <= reg_wp.addr_data_f3;
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WHEN "001110" => prdata(3 DOWNTO 0) <= reg_wp.status_full;
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prdata(7 DOWNTO 4) <= reg_wp.status_full_err;
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prdata(11 DOWNTO 8) <= reg_wp.status_new_err;
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WHEN "001111" => prdata(delta_snapshot_size-1 DOWNTO 0) <= reg_wp.delta_snapshot;
|
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|
WHEN "010000" => prdata(delta_f2_f1_size-1 DOWNTO 0) <= reg_wp.delta_f2_f1;
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|
WHEN "010001" => prdata(delta_f2_f0_size-1 DOWNTO 0) <= reg_wp.delta_f2_f0;
|
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|
WHEN "010010" => prdata(nb_burst_available_size-1 DOWNTO 0) <= reg_wp.nb_burst_available;
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|
WHEN "010011" => prdata(nb_snapshot_param_size-1 DOWNTO 0) <= reg_wp.nb_snapshot_param;
|
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|
--
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WHEN OTHERS => NULL;
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|
END CASE;
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|
IF (apbi.pwrite AND apbi.penable) = '1' THEN
|
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|
-- APB DMA WRITE --
|
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|
CASE paddr(7 DOWNTO 2) IS
|
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|
--
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|
WHEN "000000" => reg_sp.config_active_interruption_onNewMatrix <= apbi.pwdata(0);
|
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|
reg_sp.config_active_interruption_onError <= apbi.pwdata(1);
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WHEN "000001" => reg_sp.status_ready_matrix_f0_0 <= apbi.pwdata(0);
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|
reg_sp.status_ready_matrix_f0_1 <= apbi.pwdata(1);
|
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|
reg_sp.status_ready_matrix_f1 <= apbi.pwdata(2);
|
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|
reg_sp.status_ready_matrix_f2 <= apbi.pwdata(3);
|
|
|
reg_sp.status_error_anticipating_empty_fifo <= apbi.pwdata(4);
|
|
|
reg_sp.status_error_bad_component_error <= apbi.pwdata(5);
|
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|
WHEN "000010" => reg_sp.addr_matrix_f0_0 <= apbi.pwdata;
|
|
|
WHEN "000011" => reg_sp.addr_matrix_f0_1 <= apbi.pwdata;
|
|
|
WHEN "000100" => reg_sp.addr_matrix_f1 <= apbi.pwdata;
|
|
|
WHEN "000101" => reg_sp.addr_matrix_f2 <= apbi.pwdata;
|
|
|
--
|
|
|
WHEN "001000" => reg_wp.data_shaping_BW <= apbi.pwdata(0);
|
|
|
reg_wp.data_shaping_SP0 <= apbi.pwdata(1);
|
|
|
reg_wp.data_shaping_SP1 <= apbi.pwdata(2);
|
|
|
reg_wp.data_shaping_R0 <= apbi.pwdata(3);
|
|
|
reg_wp.data_shaping_R1 <= apbi.pwdata(4);
|
|
|
WHEN "001001" => reg_wp.enable_f0 <= apbi.pwdata(0);
|
|
|
reg_wp.enable_f1 <= apbi.pwdata(1);
|
|
|
reg_wp.enable_f2 <= apbi.pwdata(2);
|
|
|
reg_wp.enable_f3 <= apbi.pwdata(3);
|
|
|
reg_wp.burst_f0 <= apbi.pwdata(4);
|
|
|
reg_wp.burst_f1 <= apbi.pwdata(5);
|
|
|
reg_wp.burst_f2 <= apbi.pwdata(6);
|
|
|
WHEN "001010" => reg_wp.addr_data_f0 <= apbi.pwdata;
|
|
|
WHEN "001011" => reg_wp.addr_data_f1 <= apbi.pwdata;
|
|
|
WHEN "001100" => reg_wp.addr_data_f2 <= apbi.pwdata;
|
|
|
WHEN "001101" => reg_wp.addr_data_f3 <= apbi.pwdata;
|
|
|
WHEN "001110" => reg_wp.status_full <= apbi.pwdata(3 DOWNTO 0);
|
|
|
reg_wp.status_full_err <= apbi.pwdata(7 DOWNTO 4);
|
|
|
reg_wp.status_new_err <= apbi.pwdata(11 DOWNTO 8);
|
|
|
status_full_ack(0) <= reg_wp.status_full(0) AND NOT apbi.pwdata(0);
|
|
|
status_full_ack(1) <= reg_wp.status_full(1) AND NOT apbi.pwdata(1);
|
|
|
status_full_ack(2) <= reg_wp.status_full(2) AND NOT apbi.pwdata(2);
|
|
|
status_full_ack(3) <= reg_wp.status_full(3) AND NOT apbi.pwdata(3);
|
|
|
WHEN "001111" => reg_wp.delta_snapshot <= apbi.pwdata(delta_snapshot_size-1 DOWNTO 0);
|
|
|
WHEN "010000" => reg_wp.delta_f2_f1 <= apbi.pwdata(delta_f2_f1_size-1 DOWNTO 0);
|
|
|
WHEN "010001" => reg_wp.delta_f2_f0 <= apbi.pwdata(delta_f2_f0_size-1 DOWNTO 0);
|
|
|
WHEN "010010" => reg_wp.nb_burst_available <= apbi.pwdata(nb_burst_available_size-1 DOWNTO 0);
|
|
|
WHEN "010011" => reg_wp.nb_snapshot_param <= apbi.pwdata(nb_snapshot_param_size-1 DOWNTO 0);
|
|
|
--
|
|
|
WHEN OTHERS => NULL;
|
|
|
END CASE;
|
|
|
END IF;
|
|
|
END IF;
|
|
|
|
|
|
apbo.pirq(pirq) <= (reg_sp.config_active_interruption_onNewMatrix AND (ready_matrix_f0_0 OR
|
|
|
ready_matrix_f0_1 OR
|
|
|
ready_matrix_f1 OR
|
|
|
ready_matrix_f2)
|
|
|
)
|
|
|
OR
|
|
|
(reg_sp.config_active_interruption_onError AND (error_anticipating_empty_fifo OR
|
|
|
error_bad_component_error)
|
|
|
)
|
|
|
OR
|
|
|
(status_full(0) OR status_full_err(0) OR status_new_err(0) OR
|
|
|
status_full(1) OR status_full_err(1) OR status_new_err(1) OR
|
|
|
status_full(2) OR status_full_err(2) OR status_new_err(2) OR
|
|
|
status_full(3) OR status_full_err(3) OR status_new_err(3)
|
|
|
);
|
|
|
|
|
|
|
|
|
END IF;
|
|
|
END PROCESS lpp_top_apbreg;
|
|
|
|
|
|
apbo.pindex <= pindex;
|
|
|
apbo.pconfig <= pconfig;
|
|
|
apbo.prdata <= prdata;
|
|
|
|
|
|
|
|
|
END beh;
|
|
|
|
