|
|
------------------------------------------------------------------------------
|
|
|
-- This file is a part of the LPP VHDL IP LIBRARY
|
|
|
-- 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.
|
|
|
--
|
|
|
-- 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
|
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
|
-- GNU General Public License for more details.
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|
|
--
|
|
|
-- You should have received a copy of the GNU General Public License
|
|
|
-- along with this program; if not, write to the Free Software
|
|
|
-- 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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|
-------------------------------------------------------------------------------
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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 lpp;
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|
|
USE lpp.lpp_lfr_pkg.ALL;
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|
|
USE lpp.lpp_memory.ALL;
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|
|
USE lpp.iir_filter.ALL;
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|
|
USE lpp.spectral_matrix_package.ALL;
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|
|
use lpp.lpp_fft.all;
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|
|
use lpp.fft_components.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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|
|
USE GRLIB.DMA2AHB_Package.ALL;
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|
|
|
|
|
ENTITY TB IS
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|
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END TB;
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|
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ARCHITECTURE beh OF TB IS
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|
|
|
|
-----------------------------------------------------------------------------
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|
|
SIGNAL clk25MHz : STD_LOGIC := '0';
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|
|
SIGNAL rstn : STD_LOGIC := '0';
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|
|
|
|
|
-----------------------------------------------------------------------------
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|
|
SIGNAL coarse_time : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
SIGNAL fine_time : STD_LOGIC_VECTOR(15 DOWNTO 0);
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|
SIGNAL sample_f0_wen : STD_LOGIC_VECTOR(4 DOWNTO 0);
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|
SIGNAL sample_f0_wdata : STD_LOGIC_VECTOR((5*16)-1 DOWNTO 0);
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SIGNAL sample_f1_wen : STD_LOGIC_VECTOR(4 DOWNTO 0);
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SIGNAL sample_f1_wdata : STD_LOGIC_VECTOR((5*16)-1 DOWNTO 0);
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|
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SIGNAL sample_f2_wen : STD_LOGIC_VECTOR(4 DOWNTO 0);
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|
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SIGNAL sample_f2_wdata : STD_LOGIC_VECTOR((5*16)-1 DOWNTO 0);
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|
|
SIGNAL dma_addr : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
|
SIGNAL dma_data : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
|
SIGNAL dma_valid : STD_LOGIC;
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|
|
SIGNAL dma_valid_burst : STD_LOGIC;
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|
|
SIGNAL dma_ren : STD_LOGIC;
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|
|
SIGNAL dma_done : STD_LOGIC;
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|
|
SIGNAL ready_matrix_f0 : STD_LOGIC;
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|
|
-- SIGNAL ready_matrix_f0_1 : STD_LOGIC;
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|
|
SIGNAL ready_matrix_f1 : STD_LOGIC;
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|
|
SIGNAL ready_matrix_f2 : STD_LOGIC;
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|
|
-- SIGNAL error_anticipating_empty_fifo : STD_LOGIC;
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|
|
SIGNAL error_bad_component_error : STD_LOGIC;
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|
|
SIGNAL debug_reg : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
|
SIGNAL status_ready_matrix_f0 : STD_LOGIC;
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|
|
-- SIGNAL status_ready_matrix_f0_1 : STD_LOGIC;
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|
|
SIGNAL status_ready_matrix_f1 : STD_LOGIC;
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|
|
SIGNAL status_ready_matrix_f2 : STD_LOGIC;
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|
|
-- SIGNAL status_error_anticipating_empty_fifo : STD_LOGIC;
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|
|
-- SIGNAL status_error_bad_component_error : STD_LOGIC;
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|
|
SIGNAL config_active_interruption_onNewMatrix : STD_LOGIC;
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|
|
SIGNAL config_active_interruption_onError : STD_LOGIC;
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|
|
SIGNAL addr_matrix_f0 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
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-- SIGNAL addr_matrix_f0_1 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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SIGNAL addr_matrix_f1 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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SIGNAL addr_matrix_f2 : STD_LOGIC_VECTOR(31 DOWNTO 0);
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|
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SIGNAL matrix_time_f0 : STD_LOGIC_VECTOR(47 DOWNTO 0);
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|
|
-- SIGNAL matrix_time_f0_1 : STD_LOGIC_VECTOR(47 DOWNTO 0);
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|
SIGNAL matrix_time_f1 : STD_LOGIC_VECTOR(47 DOWNTO 0);
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SIGNAL matrix_time_f2 : STD_LOGIC_VECTOR(47 DOWNTO 0);
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|
|
-----------------------------------------------------------------------------
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SIGNAL clk49_152MHz : STD_LOGIC := '0';
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SIGNAL sample_counter_24k : INTEGER;
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SIGNAL s_24576Hz : STD_LOGIC;
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SIGNAL s_24_sync_reg_0 : STD_LOGIC;
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SIGNAL s_24_sync_reg_1 : STD_LOGIC;
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SIGNAL s_24576Hz_sync : STD_LOGIC;
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SIGNAL sample_counter_f1 : INTEGER;
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SIGNAL sample_counter_f2 : INTEGER;
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|
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--
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SIGNAL sample_f0_val : STD_LOGIC;
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SIGNAL sample_f1_val : STD_LOGIC;
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SIGNAL sample_f2_val : STD_LOGIC;
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|
-----------------------------------------------------------------------------
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SIGNAL ren_counter : INTEGER;
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SIGNAL error_buffer_full : STD_LOGIC;
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|
|
SIGNAL error_input_fifo_write : STD_LOGIC_VECTOR(2 DOWNTO 0);
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|
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-----------------------------------------------------------------------------
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|
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SIGNAL apbi : apb_slv_in_type;
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|
SIGNAL apbo : apb_slv_out_type;
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SIGNAL status_full : STD_LOGIC_VECTOR(3 DOWNTO 0);
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SIGNAL status_full_ack : STD_LOGIC_VECTOR(3 DOWNTO 0);
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|
SIGNAL status_full_err : STD_LOGIC_VECTOR(3 DOWNTO 0);
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|
|
SIGNAL status_new_err : STD_LOGIC_VECTOR(3 DOWNTO 0);
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|
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--
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|
SIGNAL ready_reg : STD_LOGIC_VECTOR(5 DOWNTO 0);
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|
|
SIGNAL irq_ongoing : STD_LOGIC;
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|
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--
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|
SIGNAL read_status : STD_LOGIC;
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|
|
SIGNAL read_status_t : STD_LOGIC;
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|
|
SIGNAL observation_vector_0: STD_LOGIC_VECTOR(11 DOWNTO 0);
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SIGNAL observation_vector_1: STD_LOGIC_VECTOR(11 DOWNTO 0);
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|
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|
|
|
BEGIN -- beh
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|
|
clk25MHz <= NOT clk25MHz AFTER 20 ns;
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|
clk25MHz <= NOT clk25MHz AFTER 20 ns;
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|
|
clk49_152MHz <= NOT clk49_152MHz AFTER 10173 ps; -- 49.152/2 MHz
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|
|
PROCESS
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|
|
BEGIN -- PROCESS
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|
WAIT UNTIL clk25MHz = '1';
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|
|
WAIT UNTIL clk25MHz = '1';
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|
|
WAIT UNTIL clk25MHz = '1';
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|
|
rstn <= '1';
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|
|
WAIT UNTIL clk25MHz = '1';
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|
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|
|
WAIT FOR 100 ms;
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|
|
REPORT "*** END simulation ***" SEVERITY failure;
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|
|
WAIT;
|
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|
|
END PROCESS;
|
|
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|
|
|
|
|
|
-----------------------------------------------------------------------------
|
|
|
PROCESS (clk49_152MHz, rstn)
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|
|
BEGIN -- PROCESS
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|
IF rstn = '0' THEN -- asynchronous reset (active low)
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|
sample_counter_24k <= 0;
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|
|
s_24576Hz <= '0';
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|
|
ELSIF clk49_152MHz'event AND clk49_152MHz = '1' THEN -- rising clock edge
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|
IF sample_counter_24k = 0 THEN
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|
|
sample_counter_24k <= 2000;
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|
s_24576Hz <= NOT s_24576Hz;
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|
|
ELSE
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|
|
sample_counter_24k <= sample_counter_24k - 1;
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|
|
END IF;
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|
|
END IF;
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|
|
END PROCESS;
|
|
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|
|
|
PROCESS (clk25MHz, rstn)
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|
|
BEGIN -- PROCESS
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|
|
IF rstn = '0' THEN -- asynchronous reset (active low)
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|
s_24_sync_reg_0 <= '0';
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|
|
s_24_sync_reg_1 <= '0';
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|
|
s_24576Hz_sync <= '0';
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|
|
ELSIF clk25MHz'event AND clk25MHz = '1' THEN -- rising clock edge
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|
s_24_sync_reg_0 <= s_24576Hz;
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s_24_sync_reg_1 <= s_24_sync_reg_0;
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|
|
s_24576Hz_sync <= s_24_sync_reg_0 XOR s_24_sync_reg_1;
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|
|
END IF;
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|
|
END PROCESS;
|
|
|
|
|
|
PROCESS (clk25MHz, rstn)
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|
|
BEGIN -- PROCESS
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|
|
IF rstn = '0' THEN -- asynchronous reset (active low)
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|
sample_f0_val <= '0';
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|
|
sample_f1_val <= '0';
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|
sample_f2_val <= '0';
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|
|
sample_counter_f1 <= 0;
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|
|
sample_counter_f2 <= 0;
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|
|
ELSIF clk25MHz'event AND clk25MHz = '1' THEN -- rising clock edge
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|
|
IF s_24576Hz_sync = '1' THEN
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|
|
sample_f0_val <= '1';
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|
|
IF sample_counter_f1 = 0 THEN
|
|
|
sample_f1_val <= '1';
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|
|
sample_counter_f1 <= 5;
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|
|
ELSE
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|
|
sample_f1_val <= '0';
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|
|
sample_counter_f1 <= sample_counter_f1 -1;
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|
|
END IF;
|
|
|
IF sample_counter_f2 = 0 THEN
|
|
|
sample_f2_val <= '1';
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|
|
sample_counter_f2 <= 95;
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|
|
ELSE
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|
|
sample_f2_val <= '0';
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|
|
sample_counter_f2 <= sample_counter_f2 -1;
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|
|
END IF;
|
|
|
ELSE
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|
|
sample_f0_val <= '0';
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|
|
sample_f1_val <= '0';
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|
|
sample_f2_val <= '0';
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|
|
END IF;
|
|
|
END IF;
|
|
|
END PROCESS;
|
|
|
|
|
|
|
|
|
|
|
|
-----------------------------------------------------------------------------
|
|
|
coarse_time <= (OTHERS => '1');
|
|
|
|
|
|
PROCESS (clk25MHz, rstn)
|
|
|
BEGIN
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|
|
IF rstn = '0' THEN
|
|
|
fine_time <= (OTHERS => '0');
|
|
|
ELSIF clk25MHz'event AND clk25MHz = '1' THEN
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|
|
fine_time <= fine_time + 1;
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|
|
END IF;
|
|
|
END PROCESS;
|
|
|
|
|
|
|
|
|
sample_f0_wdata <= X"A000" & X"A111" & X"A222" & X"A333" & X"A444";
|
|
|
sample_f1_wdata <= X"B000" & X"B111" & X"B222" & X"B333" & X"B444";
|
|
|
sample_f2_wdata <= X"C000" & X"C111" & X"C222" & X"C333" & X"C444";
|
|
|
|
|
|
sample_f0_wen <= NOT(sample_f0_val) & NOT(sample_f0_val) & NOT(sample_f0_val) & NOT(sample_f0_val) & NOT(sample_f0_val);
|
|
|
sample_f1_wen <= NOT(sample_f1_val) & NOT(sample_f1_val) & NOT(sample_f1_val) & NOT(sample_f1_val) & NOT(sample_f1_val);
|
|
|
sample_f2_wen <= NOT(sample_f2_val) & NOT(sample_f2_val) & NOT(sample_f2_val) & NOT(sample_f2_val) & NOT(sample_f2_val);
|
|
|
-----------------------------------------------------------------------------
|
|
|
|
|
|
lpp_lfr_ms_1: lpp_lfr_ms
|
|
|
GENERIC MAP (
|
|
|
Mem_use => use_CEL)
|
|
|
PORT MAP (
|
|
|
clk => clk25MHz,
|
|
|
rstn => rstn,
|
|
|
--
|
|
|
coarse_time => coarse_time,
|
|
|
fine_time => fine_time,
|
|
|
--
|
|
|
sample_f0_wen => sample_f0_wen,
|
|
|
sample_f0_wdata => sample_f0_wdata,
|
|
|
sample_f1_wen => sample_f1_wen,
|
|
|
sample_f1_wdata => sample_f1_wdata,
|
|
|
sample_f2_wen => sample_f2_wen,
|
|
|
sample_f2_wdata => sample_f2_wdata,
|
|
|
--
|
|
|
dma_addr => dma_addr,
|
|
|
dma_data => dma_data,
|
|
|
dma_valid => dma_valid,
|
|
|
dma_valid_burst => dma_valid_burst,
|
|
|
dma_ren => dma_ren,
|
|
|
dma_done => dma_done,
|
|
|
|
|
|
ready_matrix_f0 => ready_matrix_f0,
|
|
|
-- ready_matrix_f0_1 => ready_matrix_f0_1,
|
|
|
ready_matrix_f1 => ready_matrix_f1,
|
|
|
ready_matrix_f2 => ready_matrix_f2,
|
|
|
-- error_anticipating_empty_fifo => error_anticipating_empty_fifo,
|
|
|
error_bad_component_error => error_bad_component_error,
|
|
|
error_buffer_full => error_buffer_full,
|
|
|
error_input_fifo_write => error_input_fifo_write,
|
|
|
|
|
|
debug_reg => debug_reg,
|
|
|
|
|
|
--
|
|
|
observation_vector_0 => observation_vector_0,
|
|
|
observation_vector_1 => observation_vector_1,
|
|
|
--
|
|
|
status_ready_matrix_f0 => status_ready_matrix_f0,
|
|
|
-- status_ready_matrix_f0 => status_ready_matrix_f0_1,
|
|
|
status_ready_matrix_f1 => status_ready_matrix_f1,
|
|
|
status_ready_matrix_f2 => status_ready_matrix_f2,
|
|
|
-- status_error_anticipating_empty_fifo => status_error_anticipating_empty_fifo,
|
|
|
-- status_error_bad_component_error => status_error_bad_component_error,
|
|
|
config_active_interruption_onNewMatrix => config_active_interruption_onNewMatrix,
|
|
|
config_active_interruption_onError => config_active_interruption_onError,
|
|
|
addr_matrix_f0 => addr_matrix_f0,
|
|
|
-- addr_matrix_f0_1 => addr_matrix_f0_1,
|
|
|
addr_matrix_f1 => addr_matrix_f1,
|
|
|
addr_matrix_f2 => addr_matrix_f2,
|
|
|
matrix_time_f0 => matrix_time_f0,
|
|
|
-- matrix_time_f0_1 => matrix_time_f0_1,
|
|
|
matrix_time_f1 => matrix_time_f1,
|
|
|
matrix_time_f2 => matrix_time_f2);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
lpp_lfr_apbreg_1 : lpp_lfr_apbreg
|
|
|
GENERIC MAP (
|
|
|
nb_data_by_buffer_size => 11,
|
|
|
nb_word_by_buffer_size => 11,
|
|
|
nb_snapshot_param_size => 11,
|
|
|
delta_vector_size => 20,
|
|
|
delta_vector_size_f0_2 => 7,
|
|
|
pindex => 4,
|
|
|
paddr => 4,
|
|
|
pmask => 16#fff#,
|
|
|
pirq_ms => 0,
|
|
|
pirq_wfp => 1,
|
|
|
top_lfr_version => (OTHERS => '0')
|
|
|
)
|
|
|
PORT MAP (
|
|
|
HCLK => clk25MHz,
|
|
|
HRESETn => rstn,
|
|
|
apbi => apbi,
|
|
|
apbo => apbo,
|
|
|
|
|
|
run_ms => OPEN,
|
|
|
|
|
|
ready_matrix_f0 => ready_matrix_f0,
|
|
|
ready_matrix_f1 => ready_matrix_f1,
|
|
|
ready_matrix_f2 => ready_matrix_f2,
|
|
|
error_bad_component_error => error_bad_component_error,
|
|
|
error_buffer_full => error_buffer_full, -- TODO
|
|
|
error_input_fifo_write => error_input_fifo_write, -- TODO
|
|
|
status_ready_matrix_f0 => status_ready_matrix_f0,
|
|
|
status_ready_matrix_f1 => status_ready_matrix_f1,
|
|
|
status_ready_matrix_f2 => status_ready_matrix_f2,
|
|
|
config_active_interruption_onNewMatrix => config_active_interruption_onNewMatrix,
|
|
|
config_active_interruption_onError => config_active_interruption_onError,
|
|
|
|
|
|
matrix_time_f0 => matrix_time_f0,
|
|
|
matrix_time_f1 => matrix_time_f1,
|
|
|
matrix_time_f2 => matrix_time_f2,
|
|
|
|
|
|
addr_matrix_f0 => addr_matrix_f0,
|
|
|
addr_matrix_f1 => addr_matrix_f1,
|
|
|
addr_matrix_f2 => addr_matrix_f2,
|
|
|
-------------------------------------------------------------------------
|
|
|
status_full => status_full,
|
|
|
status_full_ack => status_full_ack,
|
|
|
status_full_err => status_full_err,
|
|
|
status_new_err => status_new_err,
|
|
|
data_shaping_BW => OPEN,
|
|
|
data_shaping_SP0 => OPEN,
|
|
|
data_shaping_SP1 => OPEN,
|
|
|
data_shaping_R0 => OPEN,
|
|
|
data_shaping_R1 => OPEN,
|
|
|
delta_snapshot => OPEN,
|
|
|
delta_f0 => OPEN,
|
|
|
delta_f0_2 => OPEN,
|
|
|
delta_f1 => OPEN,
|
|
|
delta_f2 => OPEN,
|
|
|
nb_data_by_buffer => OPEN,
|
|
|
nb_word_by_buffer => OPEN,
|
|
|
nb_snapshot_param => OPEN,
|
|
|
enable_f0 => OPEN,
|
|
|
enable_f1 => OPEN,
|
|
|
enable_f2 => OPEN,
|
|
|
enable_f3 => OPEN,
|
|
|
burst_f0 => OPEN,
|
|
|
burst_f1 => OPEN,
|
|
|
burst_f2 => OPEN,
|
|
|
run => OPEN,
|
|
|
addr_data_f0 => OPEN,
|
|
|
addr_data_f1 => OPEN,
|
|
|
addr_data_f2 => OPEN,
|
|
|
addr_data_f3 => OPEN,
|
|
|
start_date => OPEN);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
read_status_t <= TRANSPORT apbo.pirq(0) AFTER 200 us;
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PROCESS (clk25MHz, rstn)
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BEGIN
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IF rstn = '0' THEN
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ready_reg <= (OTHERS => '0');
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--read_status <= '0';
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apbi.psel(4) <= '0';
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apbi.pwrite <= '0';
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apbi.penable <= '0';
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apbi.paddr(7 DOWNTO 2) <= (OTHERS => '0');
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ELSIF clk25MHz'event AND clk25MHz = '1' THEN
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apbi.psel(4) <= '1';
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apbi.paddr(7 DOWNTO 2) <= "000001";
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apbi.penable <= '1';
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read_status <= apbo.pirq(0);
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IF read_status = '1' AND irq_ongoing = '0' THEN
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ready_reg <= apbo.prdata(5 DOWNTO 0);
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irq_ongoing <= '1';
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END IF;
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IF read_status_t = '0' THEN
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apbi.pwrite <= '0';
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ELSE
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irq_ongoing <= '0';
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apbi.pwrite <= '1';
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apbi.pwdata(31 DOWNTO 6) <= (OTHERS => '0');
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apbi.pwdata(5 DOWNTO 0) <= ready_reg;
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ready_reg <= (OTHERS => '0');
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END IF;
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END IF;
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END PROCESS;
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-- PROCESS (clk25MHz, rstn)
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-- BEGIN -- PROCESS
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-- IF rstn = '0' THEN -- asynchronous reset (active low)
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-- status_ready_matrix_f0 <= '0';
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---- status_ready_matrix_f0_1 <= '0';
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-- status_ready_matrix_f1 <= '0';
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-- status_ready_matrix_f2 <= '0';
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-- ELSIF clk25MHz'event AND clk25MHz = '1' THEN -- rising clock edge
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-- status_ready_matrix_f0 <= status_ready_matrix_f0 OR ready_matrix_f0;
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---- status_ready_matrix_f0_1 <= status_ready_matrix_f0_1 OR ready_matrix_f0_1;
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-- status_ready_matrix_f1 <= status_ready_matrix_f1 OR ready_matrix_f1;
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-- status_ready_matrix_f2 <= status_ready_matrix_f2 OR ready_matrix_f2;
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-- END IF;
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-- END PROCESS;
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-- status_error_anticipating_empty_fifo <= '0';
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-- status_error_bad_component_error <= '0';
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-- config_active_interruption_onNewMatrix <= '0';
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-- config_active_interruption_onError <= '0';
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-- addr_matrix_f0 <= (OTHERS => '0');
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-- addr_matrix_f0_1 <= (OTHERS => '0');
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-- addr_matrix_f1 <= (OTHERS => '0');
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-- addr_matrix_f2 <= (OTHERS => '0');
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PROCESS (clk25MHz, rstn)
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BEGIN -- PROCESS
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IF rstn = '0' THEN -- asynchronous reset (active low)
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dma_ren <= '1';
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dma_done <= '0';
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ren_counter <= 0;
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|
ELSIF clk25MHz'event AND clk25MHz = '1' THEN -- rising clock edge
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dma_ren <= '1';
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dma_done <= '0';
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IF dma_valid_burst = '1' THEN
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ren_counter <= 17;
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END IF;
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IF ren_counter > 1 THEN
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ren_counter <= ren_counter - 1;
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|
dma_ren <= '0';
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END IF;
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IF ren_counter = 1 THEN
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|
ren_counter <= 0;
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|
dma_done <= '1';
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|
END IF;
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|
END IF;
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END PROCESS;
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END beh;
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