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ici4.vhd
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-----------------------------------------------------------------------------
-- LEON3 Xilinx SP605 Demonstration design
-- Copyright (C) 2011 Jiri Gaisler, Aeroflex Gaisler
------------------------------------------------------------------------------
-- This file is a part of the GRLIB VHDL IP LIBRARY
-- Copyright (C) 2003 - 2008, Gaisler Research
-- Copyright (C) 2008 - 2011, Aeroflex Gaisler
--
-- 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 2 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
------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library grlib, techmap;
use grlib.amba.all;
use grlib.amba.all;
use grlib.stdlib.all;
use techmap.gencomp.all;
use techmap.allclkgen.all;
library gaisler;
use gaisler.memctrl.all;
use gaisler.leon3.all;
use gaisler.uart.all;
use gaisler.misc.all;
--use gaisler.sim.all;
library lpp;
use lpp.lpp_ad_conv.all;
use lpp.lpp_amba.all;
use lpp.apb_devices_list.all;
use lpp.general_purpose.all;
use work.Convertisseur_config.all;
library esa;
use esa.memoryctrl.all;
use work.config.all;
entity ici4 is
generic (
fabtech : integer := CFG_FABTECH;
memtech : integer := CFG_MEMTECH;
padtech : integer := CFG_PADTECH;
clktech : integer := CFG_CLKTECH;
WordSize : integer := 8; WordCnt : integer := 144;MinFCount : integer := 64
);
port (
reset : in std_ulogic;
clk : in std_ulogic;
sclk : in std_logic;
Gate : in std_logic;
MinF : in std_logic;
MajF : in std_logic;
Data : out std_logic;
DC_ADC_Sclk : out std_logic;
DC_ADC_IN : in std_logic_vector(3 downto 0);
DC_ADC_FORMAT : out std_logic_vector(2 downto 0);
DC_ADC_Mode : out std_logic_vector(1 downto 0);
DC_ADC_ClkDiv : out std_logic;
DC_ADC_PWDOWN : out std_logic_vector(3 downto 0);
DC_ADC_FSynch : out std_logic;
DC_ADC_Synch : out std_logic;
-- DATA_out_Test : out std_logic;
-- Sclk_out_test : out std_logic;
-- Synch_out_test : out std_logic;
test : out std_logic;
LF_ADC_Sclk : out std_logic;
LF_ADC_IN : in std_logic_vector(3 downto 0);
LF_ADC_FORMAT : out std_logic_vector(2 downto 0);
LF_ADC_Mode : out std_logic_vector(1 downto 0);
LF_ADC_ClkDiv : out std_logic;
LF_ADC_PWDOWN : out std_logic_vector(3 downto 0);
LF_ADC_FSynch : out std_logic;
LF_ADC_Synch : out std_logic
);
end;
architecture rtl of ici4 is
signal clk_buf,reset_buf : std_logic;
Constant FramePlacerCount : integer := 2;
signal MinF_Inv : std_logic;
signal Gate_Inv : std_logic;
signal sclk_Inv : std_logic;
signal WordCount : integer range 0 to WordCnt-1;
signal WordClk : std_logic;
signal MuxOUT : std_logic_vector(WordSize-1 downto 0);
signal MuxIN : std_logic_vector((2*WordSize)-1 downto 0);
signal Sel : integer range 0 to 1;
signal DC1 : std_logic_vector(23 downto 0);
signal DC2 : std_logic_vector(23 downto 0);
signal DC3 : std_logic_vector(23 downto 0);
signal LF1 : std_logic_vector(15 downto 0);
signal LF2 : std_logic_vector(15 downto 0);
signal LF3 : std_logic_vector(15 downto 0);
signal LF1_int : std_logic_vector(23 downto 0);
signal LF2_int : std_logic_vector(23 downto 0);
signal LF3_int : std_logic_vector(23 downto 0);
--constant DC1cst : std_logic_vector(23 downto 0) := X"FA5961";
--constant DC2cst : std_logic_vector(23 downto 0) := X"123456";
--constant DC3cst : std_logic_vector(23 downto 0) := X"789012";
--
--constant LF1cst : std_logic_vector(15 downto 0) := X"3210";
--constant LF2cst : std_logic_vector(15 downto 0) := X"6543";
--constant LF3cst : std_logic_vector(15 downto 0) := X"3456";
--
signal DC_ADC_SmplClk : std_logic;
signal LF_ADC_SmplClk : std_logic;
signal MinFCnt : integer range 0 to MinFCount-1;
signal FramePlacerFlags : std_logic_vector(FramePlacerCount-1 downto 0);
begin
--CLKINT0 : CLKINT
-- port map(clk,clk_buf);
--
--CLKINT1 : CLKINT
-- port map(reset,reset_buf);
clk_buf <= clk;
reset_buf <= reset;
--
--DATA_out_Test <= DC_ADC_IN(0);
--Sclk_out_test <= DC_ADC_Sclk;
--Synch_out_test <= DC_ADC_FSynch;
Gate_Inv <= not Gate;
sclk_Inv <= not Sclk;
MinF_Inv <= not MinF;
--DC1 <= DC1cst;
--DC2 <= DC2cst;
--DC3 <= DC3cst;
--LF1 <= LF1cst;
--LF2 <= LF2cst;
--LF3 <= LF3cst;
SD0 : entity work.Serial_Driver
generic map(WordSize)
port map(sclk_Inv,MuxOUT,Gate_inv,Data);
WC0 : entity work.Word_Cntr
generic map(WordSize,WordCnt)
port map(sclk_Inv,MinF,WordClk,WordCount);
MFC0 : entity work.MinF_Cntr
generic map(MinFCount)
port map(
clk => MinF_Inv,
reset => MajF,
Cnt_out => MinFCnt
);
MUX0 : entity work.Serial_Driver_Multiplexor
generic map(FramePlacerCount,WordSize)
port map(sclk_Inv,Sel,MuxIN,MuxOUT);
DCFP0 : entity work.DC_FRAME_PLACER
generic map(WordSize,WordCnt,MinFCount)
port map(
clk => Sclk,
Wcount => WordCount,
MinFCnt => MinFCnt,
Flag => FramePlacerFlags(0),
DC1 => DC1,
DC2 => DC2,
DC3 => DC3,
WordOut => MuxIN(7 downto 0));
LFP0 : entity work.LF_FRAME_PLACER
generic map(WordSize,WordCnt,MinFCount)
port map(
clk => Sclk,
Wcount => WordCount,
Flag => FramePlacerFlags(1),
LF1 => LF1,
LF2 => LF2,
LF3 => LF3,
WordOut => MuxIN(15 downto 8));
DC_SMPL_CLK0 : entity work.DC_SMPL_CLK
port map(MinF_Inv,DC_ADC_SmplClk);
DC_ADC_Synch <= reset;
LF_ADC_Synch <= reset;
DC_ADC0 : ADS1274_DRIVER --With AMR down ! => 24bits DC TM -> SC high res on Spin
generic map(ADS127X_MODE_low_power,ADS127X_FSYNC_FORMAT)
port map(
Clk => clk_buf,
reset => reset_buf,
SpiClk => DC_ADC_Sclk,
DIN => DC_ADC_IN,
Ready => '0',
Format => DC_ADC_Format,
Mode => DC_ADC_Mode,
ClkDiv => DC_ADC_ClkDiv,
PWDOWN => DC_ADC_PWDOWN,
SmplClk => DC_ADC_SmplClk,
OUT0 => DC1,
OUT1 => DC2,
OUT2 => DC3,
OUT3 => open,
FSynch => DC_ADC_FSynch,
test => test
);
LF_SMPL_CLK0 : entity work.LF_SMPL_CLK
port map(
Wclck => WordClk,
MinF => MinF,
SMPL_CLK => LF_ADC_SmplClk
);
LF_ADC0 : ADS1274_DRIVER
generic map(ADS127X_MODE_low_power,ADS127X_FSYNC_FORMAT)
port map(
Clk => clk_buf,
reset => reset_buf,
SpiClk => LF_ADC_Sclk,
DIN => LF_ADC_IN,
Ready => '0',
Format => LF_ADC_Format,
Mode => LF_ADC_Mode,
ClkDiv => LF_ADC_ClkDiv,
PWDOWN => LF_ADC_PWDOWN,
SmplClk => LF_ADC_SmplClk,
OUT0 => LF1_int,
OUT1 => LF2_int,
OUT2 => LF3_int,
OUT3 => open,
FSynch => LF_ADC_FSynch
);
LF1 <= LF1_int(23 downto 8);
LF2 <= LF2_int(23 downto 8);
LF3 <= LF3_int(23 downto 8);
--
--DC1 <= LF1_int(23 downto 0);
--DC2 <= LF2_int(23 downto 0);
--DC3 <= LF3_int(23 downto 0);
--Input Word Selection Decoder
process(clk)
variable SelVar : integer range 0 to 1;
begin
if clk'event and clk ='1' then
Decoder: FOR i IN 0 to FramePlacerCount-1 loop
if FramePlacerFlags(i) = '1' then
SelVar := i;
end if;
END loop Decoder;
Sel <= SelVar;
end if;
end process;
end rtl;