--- /dev/null
+------------------------------------------------------------------------------
+-- Copyright (C) 2011, Kenichi Kurimoto
+--
+-- 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
+-----------------------------------------------------------------------------
+-- Entity: huffdctycc
+-- File: huffdctycc.vhd
+-- Author: Kenichi Kurimoto
+-- Description: huffman decoder,2D-DCT,upsample,and YCbCr-RGB translation
+-- for jpeg decode
+------------------------------------------------------------------------------
+
+
+
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+use std.textio.all;
+use ieee.std_logic_textio.all;
+
+library grlib;
+use grlib.amba.all;
+use grlib.stdlib.all;
+use grlib.devices.all;
+
+library techmap;
+use techmap.gencomp.all;
+
+library kuri;
+use kuri.mjpeg.all;
+
+entity huffdctycc is
+ generic (
+ memtech : integer := DEFMEMTECH;
+ shindex : integer := 0;
+ haddr : integer := 0;
+ hmask : integer := 16#fff#;
+ hirq : integer := 0;
+ pindex : integer := 0;
+ paddr : integer := 0;
+ pmask : integer := 16#fff#;
+ mhindex : integer := 0;
+ chprot : integer := 3);
+
+ port (
+ rst : in std_ulogic;
+ clk : in std_ulogic;
+ ahbmi : in ahb_mst_in_type;
+ ahbmo : out ahb_mst_out_type;
+ ahbsi : in ahb_slv_in_type;
+ ahbso : out ahb_slv_out_type;
+ apbi : in apb_slv_in_type;
+ apbo : out apb_slv_out_type;
+ logan_sig : out std_logic_vector(31 downto 0)
+ );
+end;
+
+architecture rtl of huffdctycc is
+
+signal kready1, kready2, kready3, kready4, kready5, kready6,
+ kstrobe1, kstrobeq, kstrobe2, kstrobe3, kstrobe4, kstrobe5, kstrobe6: std_logic;
+signal kdata1 : std_logic_vector(11 downto 0);
+signal kaddress1 : std_logic_vector(5 downto 0);
+signal kdata2 : std_logic_vector(11 downto 0);
+signal kdataq1 : std_logic_vector(7 downto 0);
+signal kdataq2 : std_logic_vector(7 downto 0);
+signal kdata3 : std_logic_vector(15 downto 0);
+signal kdata4 : std_logic_vector(15 downto 0);
+signal kdata5 : std_logic_vector(7 downto 0);
+signal kdata6 : std_logic_vector(23 downto 0);
+signal error : std_logic_vector(2 downto 0);
+signal jpg_setting : jpg_set_type;
+signal startgen : std_logic;
+signal kaddq : std_logic_vector(7 downto 0);
+signal krdq : std_logic;
+signal krddataq : std_logic_vector(7 downto 0);
+
+signal count_r, count_rin :std_logic_vector(31 downto 0);
+
+signal logan_sig2 : std_logic_vector(31 downto 0);
+
+-- pragma translate_off
+file out_file1 : text open write_mode is "aft_huff.txt";
+file out_file2 : text open write_mode is "aft_huffmem.txt";
+file out_file3 : text open write_mode is "aft_dct1.txt";
+file out_file4 : text open write_mode is "aft_dctmem.txt";
+file out_file5 : text open write_mode is "aft_dct2.txt";
+file out_file6 : text open write_mode is "aft_yccmem.txt";
+-- pragma translate_on
+
+begin
+ huffman : huff
+ generic map(memtech => memtech,shindex => shindex , haddr => haddr, hmask => hmask,
+ hirq => hirq, pindex => pindex, paddr => paddr, pmask => pmask)
+ port map(rst => rst, clk => clk, ahbsi => ahbsi, ahbso => ahbso, apbi => apbi, apbo => apbo,
+ kready => kready1, kstrobe => kstrobe1, kdata => kdata1, kaddress => kaddress1, jpg_setting => jpg_setting,
+ error => error, startgen => startgen, kstrobeq => kstrobeq, kdataq => kdataq1,
+ kaddq => kaddq, krddataq => krddataq, krdq => krdq, logan_sig2 => logan_sig2);
+
+ dctmem1 : huffmemcont
+ generic map(memtech => memtech)
+ port map(rst => rst, clk => clk, kready1 => kready1, kstrobe1 => kstrobe1, kaddress1 => kaddress1, kdata1 => kdata1, kready2 => kready2,
+ kstrobe2 => kstrobe2, kdata2 => kdata2, error =>error(0), samp_fact => jpg_setting.samp_fact,
+ kstrobeq1 => kstrobeq, kdataq1 => kdataq1, kdataq2 => kdataq2,
+ kaddq => kaddq, krdq => krdq, krddataq => krddataq, startgen => startgen);
+
+ dct1 : idct1
+ port map(rst => rst, clk => clk, ready1 => kready2, strobe1 => kstrobe2, coeffin => kdata2,
+ quantin => kdataq2, outdata => kdata3, ready2 => kready3, strobe2 => kstrobe3, startgen => startgen);
+
+ dctmem2 : dctmem2cont
+ generic map(memtech => memtech)
+ port map(rst => rst, clk => clk, kready1 => kready3, kstrobe1 => kstrobe3, kdata1 => kdata3,
+ kready2 => kready4, kstrobe2 => kstrobe4, kdata2 => kdata4, error => error(1), startgen => startgen);
+
+ dct2 : idct2
+ port map(rst => rst, clk => clk, ready1 => kready4, strobe1 => kstrobe4, coeffin => kdata4,
+ outdata => kdata5, ready2 => kready5, strobe2 => kstrobe5, startgen => startgen);
+
+ yccmem : yccmemcont
+ generic map(memtech => memtech)
+ port map(rst => rst, clk => clk, kready1 => kready5, kstrobe1 => kstrobe5, kdata1 => kdata5,
+ kready2 => kready6, kstrobe2 => kstrobe6, kdata2 => kdata6, samp_fact => jpg_setting.samp_fact,
+ error => error(2), startgen => startgen);
+
+ ycb : yccrgb
+ generic map(memtech => memtech, hirq => hirq, mhindex => mhindex,
+ chprot => chprot)
+ port map(rst => rst, clk => clk, ahbmi => ahbmi, ahbmo => ahbmo, kready => kready6,
+ kstrobe => kstrobe6, kdata => kdata6, xmcumax => jpg_setting.xmcumax, ymcumax => jpg_setting.ymcumax,
+ incaddy => jpg_setting.incaddy, incaddmcux => jpg_setting.incaddmcux, incaddmcuy => jpg_setting.incaddmcuy,
+ fbstartadd => jpg_setting.fbstartadd, startgen => startgen);
+
+
+huffcounter : process(clk, rst, kstrobe1, kaddress1, count_r)
+ variable count_v :std_logic_vector(31 downto 0);
+begin
+ count_v := count_r;
+ if(kstrobe1 = '1' and kaddress1 = "111111") then
+ count_v := count_v + 1;
+ end if;
+ if (rst='0')then
+ count_v := (others=>'0');
+ end if;
+end process;
+
+reg :process(clk)
+begin
+ if rising_edge(clk) then
+ count_r <= count_rin;
+ end if;
+end process;
+
+logan_sig <= logan_sig2
+--logan_sig <= kstrobe2 & kdata2 & kstrobe1 & kaddress1 & kdata1 ;
+-- logan_sig <= count_r(16 downto 2) & kstrobe3 & kdata3 & kstrobe2 & kdata2 & kstrobe1 & kaddress1 & kdata1 ;
+
+-- 15 1 16 1 12 1 6 12
+
+
+
+
+-- pragma translate_off
+writeout : process(clk,kstrobe1, kstrobe2, kstrobe3, kstrobe4, kstrobe5,kstrobe6, kdata1, kdata2, kdata3,kdata4,kdata5,kdata6)
+variable lc1 : line;
+variable lc2 : line;
+variable lc3 : line;
+variable lc4 : line;
+variable lc5 : line;
+variable lc6 : line;
+variable data1 : std_logic_vector(11 downto 0);
+variable data2 : std_logic_vector(11 downto 0);
+variable data3 : std_logic_vector(15 downto 0);
+variable data4 : std_logic_vector(15 downto 0);
+variable data5 : std_logic_vector(7 downto 0);
+variable data6 : std_logic_vector(23 downto 0);
+
+begin
+ if rising_edge(clk)then
+ if (kstrobe1 = '1')then
+-- data1 := kdata1;
+ hwrite(lc1, kdata1, RIGHT, 3);
+ writeline(out_file1,lc1);
+ end if;
+ if (kstrobe2 = '1')then
+ hwrite(lc2, kdata2, RIGHT, 3);
+ writeline(out_file2,lc2);
+ end if;
+ if(kstrobe3 = '1')then
+ hwrite(lc3, kdata3, RIGHT, 4);
+ writeline(out_file3,lc3);
+ end if;
+ if (kstrobe4 = '1')then
+ hwrite(lc4, kdata4, RIGHT, 4);
+ writeline(out_file4,lc4);
+ end if;
+ if(kstrobe5 = '1')then
+ hwrite(lc5, kdata5, RIGHT, 2);
+ writeline(out_file5,lc5);
+ end if;
+ if(kstrobe6 = '1')then
+ hwrite(lc6, kdata6, RIGHT, 6);
+ writeline(out_file6, lc6);
+ end if;
+ end if;
+end process;
+-- pragma translate_on
+
+end;
+
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