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DacDriver.vhd
67 lines | 2.7 KiB | text/x-vhdl | VhdlLexer
------------------------------------------------------------------------------
-- This file is a part of the LPP VHDL IP LIBRARY
-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
--
-- 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, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
------------------------------------------------------------------------------
-- Author : Martin Morlot
-- Mail : martin.morlot@lpp.polytechnique.fr
------------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use work.Convertisseur_config.all;
use lpp.lpp_cna.all;
--! Programme du Convertisseur Num�rique/Analogique
entity DacDriver is
port(
clk : in std_logic; --! Horloge du composant
rst : in std_logic; --! Reset general du composant
enable : in std_logic; --! Autorise ou non l'utilisation du composant
Data_C : in std_logic_vector(15 downto 0); --! Donn�e Num�rique d'entr�e sur 16 bits
SYNC : out std_logic; --! Signal de synchronisation du convertisseur
SCLK : out std_logic; --! Horloge systeme du convertisseur
flag_sd : out std_logic; --! Flag, signale la fin de la s�rialisation d'une donn�e
Data : out std_logic --! Donn�e num�rique s�rialis�
);
end entity;
--! @details Un driver C va permettre de g�nerer un tableau de donn�es sur 16 bits,
--! qui seront s�rialis� pour �tre ensuite dirig�es vers le convertisseur.
architecture ar_DacDriver of DacDriver is
signal s_SCLK : std_logic;
signal OKAI_send : std_logic;
begin
SystemCLK : Systeme_Clock
generic map (nb_serial)
port map (clk,rst,s_SCLK);
Signal_sync : Gene_SYNC
port map (s_SCLK,rst,enable,OKAI_send,SYNC);
Serial : serialize
port map (clk,rst,s_SCLK,Data_C,OKAI_send,flag_sd,Data);
SCLK <= s_SCLK;
end architecture;