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amulder |
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-- Company:
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-- Engineer: Aart Mulder
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--
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-- Create Date: 18:12:25 08/26/2012
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-- Design Name: Tiff compression and transmission
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-- Module Name: /home/aart/Documents/aaMIUN_master/2nd_15HP_Project_FPGA_CCITT_implementation/vhdl/xilinix_fax4_work_model/TB_capture_manager.vhd
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-- Project Name: Tiff compression and transmission
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-- VHDL Test Bench Created by ISE for module: capture_manager
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-- Note: Run the simulation for 13600us when using a 752x480 image
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-- or at least ~54ms to simulate RS232 communication as well.
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-- I.e. the byte segmentation and RS232 communication are
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-- bypassed for OUT_FILENAME_C to save time in some cases.
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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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use IEEE.MATH_REAL.ALL;
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library STD;
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use STD.TEXTIO.ALL;
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ENTITY TB_capture_manager IS
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Generic (
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COLUMNS_G : integer := 752;
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ROWS_G : integer := 480;
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COL_INDEX_WIDTH_G : integer := 10;
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ROW_INDEX_WIDTH_G : integer := 9;
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MAX_CODE_LEN_G : integer := 28;
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MAX_CODE_LEN_WIDTH_G:integer:= 5;
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SEG_OUTPUT_WIDTH_G : integer:= 8;
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TX_MEMORY_SIZE_G : integer := 4000;
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TX_MEMORY_ADDRESS_WIDTH_G : integer := 12;
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RSYNC_DEATH_LEN_G : integer := 10;
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INTEGER_RANGE_G : integer := 200000;
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--@Simulation
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BAUD_DIVIDE_G : integer := 2;
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BAUD_RATE_G : integer := 32
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);
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Port(
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cols_o : buffer unsigned(16-1 downto 0);
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rows_o : buffer unsigned(16-1 downto 0);
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col_o : buffer unsigned(16-1 downto 0);
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row_o : buffer unsigned(16-1 downto 0)
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);
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END TB_capture_manager;
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ARCHITECTURE behavior OF TB_capture_manager IS
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type ByteT is (
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c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,c15,c16,c17,c18,
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c19,c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,c30,c31,c32,c33,c34,
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c35,c36,c37,c38,c39,c40,c41,c42,c43,c44,c45,c46,c47,c48,c49,c50,
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c51,c52,c53,c54,c55,c56,c57,c58,c59,c60,c61,c62,c63,c64,c65,c66,
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c67,c68,c69,c70,c71,c72,c73,c74,c75,c76,c77,c78,c79,c80,c81,c82,
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59 |
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c83,c84,c85,c86,c87,c88,c89,c90,c91,c92,c93,c94,c95,c96,c97,c98,
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60 |
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c99,c100,c101,c102,c103,c104,c105,c106,c107,c108,c109,c110,c111,
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c112,c113,c114,c115,c116,c117,c118,c119,c120,c121,c122,c123,c124,
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c125,c126,c127,c128,c129,c130,c131,c132,c133,c134,c135,c136,c137,
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c138,c139,c140,c141,c142,c143,c144,c145,c146,c147,c148,c149,c150,
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c151,c152,c153,c154,c155,c156,c157,c158,c159,c160,c161,c162,c163,
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c164,c165,c166,c167,c168,c169,c170,c171,c172,c173,c174,c175,c176,
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c177,c178,c179,c180,c181,c182,c183,c184,c185,c186,c187,c188,c189,
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c190,c191,c192,c193,c194,c195,c196,c197,c198,c199,c200,c201,c202,
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c203,c204,c205,c206,c207,c208,c209,c210,c211,c212,c213,c214,c215,
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c216,c217,c218,c219,c220,c221,c222,c223,c224,c225,c226,c227,c228,
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c229,c230,c231,c232,c233,c234,c235,c236,c237,c238,c239,c240,c241,
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c242,c243,c244,c245,c246,c247,c248,c249,c250,c251,c252,c253,c254,c255);
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subtype Byte is ByteT;
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type ByteFileType is file of Byte;
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type MATRIX is array (integer range <>) of std_logic_vector(7 downto 0);
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constant PCLK_PERIOD_C : time := 37ns; -- ~27MHz, Aptina WVGA Camera Module
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constant OUT_FILENAME_C : String := "../images/tif/Segmentation752x480.tif";
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constant OUT_FILENAME_2_C: String := "../images/tif/Segmentation752x480(UART).tif";
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constant IN_FILENAME1_C : String := "../images/bmp/Segmentation752x480(real)bw_24bit.bmp";
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constant IN_FILENAME2_C : String := "../images/bmp/Segmentation752x480(real2)_24bit.bmp";
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constant IN_FILENAME3_C : String := "../images/bmp/Segmentation752x480(real4)bw_24bit.bmp";
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constant IN_FILENAME4_C : String := "../images/bmp/Segmentation752x480(real5)_24bit.bmp";
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constant IN_FILENAME_C : String := IN_FILENAME1_C;
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constant CHAR_CAP_S : std_logic_vector(7 downto 0) := std_logic_vector(to_unsigned(83, 8));
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constant START_NEW_FRAME_CHAR_C : std_logic_vector(7 downto 0) := CHAR_CAP_S;
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function int2bit_vec(A: integer; SIZE: integer) return BIT_VECTOR is
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variable RESULT : BIT_VECTOR(SIZE-1 DOWNTO 0);
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variable TMP : integer;
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begin
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TMP := A;
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for i in 0 to SIZE - 1 loop
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if TMP mod 2 = 1 then
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RESULT(i) := '1';
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else
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RESULT(i) := '0';
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end if;
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TMP := TMP / 2;
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end loop;
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return RESULT;
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end;
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--Files
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file infile : ByteFileType;
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file tif_file : ByteFileType;
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--Inputs
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signal reset_i : std_logic := '0';
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signal fsync_i : std_logic := '0';
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signal rsync_i : std_logic := '0';
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signal pclk_i : std_logic := '0';
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signal pix_data_i : std_logic_vector(7 downto 0) := (others => '0');
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signal RX_i : std_logic := '0';
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signal sw_i : STD_LOGIC_VECTOR(7 downto 0) := (others => '0');
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--Outputs
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signal vga_fsync_o : std_logic;
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signal vga_rsync_o : std_logic;
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signal vgaRed : std_logic_vector(7 downto 5);
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signal vgaGreen : std_logic_vector(7 downto 5);
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signal vgaBlue : std_logic_vector(7 downto 6);
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signal TX_o : std_logic;
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signal led0_o : std_logic;
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signal led1_o : std_logic;
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signal led2_o : std_logic;
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signal led3_o : std_logic;
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signal CCITT4_run_len_code_o : STD_LOGIC_VECTOR (MAX_CODE_LEN_G-1 downto 0);
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signal CCITT4_run_len_code_width_o : STD_LOGIC_VECTOR (MAX_CODE_LEN_WIDTH_G-1 downto 0);
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signal CCITT4_run_len_code_valid_o : STD_LOGIC;
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signal CCITT4_frame_finished_o : STD_LOGIC;
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--Other signals
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signal bitsperpixel : std_logic_vector(15 downto 0);
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signal colorplanes : std_logic_vector(15 downto 0);
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signal CCITTOutBuf : std_logic_vector (INTEGER_RANGE_G downto 0);
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signal RxByteCnt : integer range 0 to INTEGER_RANGE_G := 0;
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signal RS232_RX_DATA: MATRIX(0 to TX_MEMORY_SIZE_G);
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--RS232 tx module signals
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signal pc_tx_trigger, pc_rx_trigger, pc_tx_buf_empty, pc_rx_available, pc_rx_available_prev, pc_uart_reset : std_logic;
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signal pc_tx_data, pc_rx_data : std_logic_vector(7 downto 0);
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signal rxStreamSizeSignal : integer range 0 to 65535 := 0;
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BEGIN
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-- Instantiate the Unit Under Test (UUT)
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uut : entity work.capture_manager
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Generic Map(
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COLUMNS_G => COLUMNS_G,
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ROWS_G => ROWS_G,
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COL_INDEX_WIDTH_G => COL_INDEX_WIDTH_G,
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ROW_INDEX_WIDTH_G => ROW_INDEX_WIDTH_G,
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MAX_CODE_LEN_WIDTH_G => MAX_CODE_LEN_WIDTH_G,
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MAX_CODE_LEN_G => MAX_CODE_LEN_G,
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SEG_OUTPUT_WIDTH_G => SEG_OUTPUT_WIDTH_G,
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TX_MEMORY_SIZE_G => TX_MEMORY_SIZE_G,
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TX_MEMORY_ADDRESS_WIDTH_G => TX_MEMORY_ADDRESS_WIDTH_G,
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BAUD_DIVIDE_G => BAUD_DIVIDE_G,
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BAUD_RATE_G => BAUD_RATE_G
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)
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Port Map
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(
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reset_i => reset_i,
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fsync_i => fsync_i,
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rsync_i => rsync_i,
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pclk_i => pclk_i,
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pix_data_i => pix_data_i,
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vga_fsync_o => vga_fsync_o,
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vga_rsync_o => vga_rsync_o,
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vgaRed => vgaRed,
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vgaGreen => vgaGreen,
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vgaBlue => vgaBlue,
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TX_o => TX_o,
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RX_i => RX_i,
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led0_o => led0_o,
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led1_o => led1_o,
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led2_o => led2_o,
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led3_o => led3_o,
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sw_i => sw_i(6 downto 0),
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CCITT4_run_len_code_o => CCITT4_run_len_code_o,
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CCITT4_run_len_code_width_o => CCITT4_run_len_code_width_o,
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CCITT4_run_len_code_valid_o => CCITT4_run_len_code_valid_o,
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CCITT4_frame_finished_o => CCITT4_frame_finished_o
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);
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UART_pc_ins : entity work.UartComponent
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Generic Map(
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BAUD_DIVIDE_G => BAUD_DIVIDE_G,
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BAUD_RATE_G => BAUD_RATE_G
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)
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Port Map(
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TXD => RX_i,
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RXD => TX_o,
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CLK => pclk_i,
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DBIN => pc_tx_data,
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DBOUT => pc_rx_data,
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RDA => pc_rx_available,
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TBE => pc_tx_buf_empty,
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RD => pc_rx_trigger,
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WR => pc_tx_trigger,
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PE => open,
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FE => open,
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OE => open,
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RST => pc_uart_reset
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);
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pc_uart_reset <= reset_i;
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-- hold reset state for 3 clk periods.
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reset_i <= '1', '0' after PCLK_PERIOD_C * 3;
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-- Clock process definitions
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pclk_process : process
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begin
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pclk_i <= '0';
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wait for PCLK_PERIOD_C/2;
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pclk_i <= '1';
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wait for PCLK_PERIOD_C/2;
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end process;
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--Simulation of the master/PC on the other side of the RS232 connection.
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master_sim_process : process
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begin
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pc_tx_trigger <= '0';
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while reset_i = '1' loop
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end loop;
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wait for PCLK_PERIOD_C * 6;
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pc_tx_data <= START_NEW_FRAME_CHAR_C;
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pc_tx_trigger <= '1';
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wait for PCLK_PERIOD_C * 1;
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pc_tx_trigger <= '0';
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wait for 50ms;
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pc_tx_data <= START_NEW_FRAME_CHAR_C;
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pc_tx_trigger <= '1';
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wait for PCLK_PERIOD_C * 1;
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pc_tx_trigger <= '0';
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wait;
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end process master_sim_process;
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249 |
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--Simulation of the input from the camera.
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img_read : process (pclk_i)
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variable pixelB : Byte;
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variable pixelG : Byte;
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variable pixelR : Byte;
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variable pixel : Byte;
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variable pixel1 : real := 0.0;
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variable pixel2 : std_logic_vector(7 downto 0);
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variable cols : unsigned(16-1 downto 0);
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variable rows : unsigned(16-1 downto 0);
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variable col : unsigned(16-1 downto 0);
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variable row : unsigned(16-1 downto 0);
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262 |
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variable cnt : integer;
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263 |
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variable rsync : std_logic;
|
264 |
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variable stop : std_logic;
|
265 |
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variable is_header_read : std_logic := '0';
|
266 |
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variable fileClosed : boolean := true;
|
267 |
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variable bitPos : integer range 0 to 8 := 0;
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variable dataOffset : std_logic_vector(31 downto 0);
|
269 |
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variable dataOffset2 : integer;
|
270 |
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begin -- process img_read
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271 |
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if (reset_i = '1') then
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272 |
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273 |
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elsif (pclk_i'event and pclk_i = '1') then
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274 |
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if fileClosed = true then
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fileClosed := false;
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file_open(infile, IN_FILENAME_C, READ_MODE);
|
277 |
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is_header_read := '1';
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pix_data_i <= (others => '0');
|
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col := (others => '0');
|
281 |
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row := (others => '0');
|
282 |
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for i in 0 to 13 loop -- read header infos
|
283 |
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read(infile, pixel);
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284 |
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|
285 |
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case i is
|
286 |
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when 0 => -- First BMP indicator byte: 0x42
|
287 |
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when 1 => -- Second BMP indicator byte: 0x4D
|
288 |
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when 2 => -- 4 bytes with the file size
|
289 |
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when 10 => -- 1st byte with the data offset
|
290 |
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dataOffset(7 downto 0) := to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
291 |
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when 11 => -- 2st byte with the data offset
|
292 |
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dataOffset(15 downto 8) := to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
293 |
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when 12 => -- 3st byte with the data offset
|
294 |
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dataOffset(23 downto 16) := to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
295 |
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when 13 => -- 4st byte with the data offset
|
296 |
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dataOffset(31 downto 24) := to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
297 |
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dataOffset2 := to_integer(unsigned(dataOffset));
|
298 |
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when others =>
|
299 |
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null;
|
300 |
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end case;
|
301 |
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end loop; -- i
|
302 |
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for i in 14 to dataOffset2-1 loop -- read header infos
|
303 |
|
|
read(infile, pixel);
|
304 |
|
|
|
305 |
|
|
case i is
|
306 |
|
|
when 18 => -- 1st byte of cols
|
307 |
|
|
cols(7 downto 0 ) := unsigned(to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8)));
|
308 |
|
|
when 19 => -- 2nd byte of cols
|
309 |
|
|
cols(15 downto 8) := unsigned(to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8)));
|
310 |
|
|
when 22 => -- 1st byte of rows
|
311 |
|
|
rows(7 downto 0 ) := unsigned(to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8)));
|
312 |
|
|
when 23 => -- 2nd byte of rows
|
313 |
|
|
rows(15 downto 8) := unsigned(to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8)));
|
314 |
|
|
when 24 => -- do important things
|
315 |
|
|
cols_o <= cols;
|
316 |
|
|
rows_o <= rows;
|
317 |
|
|
cols := cols - 1;
|
318 |
|
|
rows := rows - 1;
|
319 |
|
|
when 26 => --2 bytes with number of color planes
|
320 |
|
|
colorplanes(7 downto 0) <= to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
321 |
|
|
when 27 =>
|
322 |
|
|
colorplanes(15 downto 8) <= to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
323 |
|
|
when 28 =>
|
324 |
|
|
bitsperpixel(7 downto 0) <= to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
325 |
|
|
when 29 => --2 bytes with number of bits per pixel
|
326 |
|
|
bitsperpixel(15 downto 8) <= to_Stdlogicvector(int2bit_vec(ByteT'pos(pixel), 8));
|
327 |
|
|
when 53 =>
|
328 |
|
|
--report "\nFinished reading reading header\n";
|
329 |
|
|
when others =>
|
330 |
|
|
null;
|
331 |
|
|
end case;
|
332 |
|
|
end loop; -- i
|
333 |
|
|
rsync := '0';
|
334 |
|
|
cnt := RSYNC_DEATH_LEN_G;
|
335 |
|
|
stop := '0';
|
336 |
|
|
bitPos := 7;
|
337 |
|
|
|
338 |
|
|
end if; --fileClosed = true
|
339 |
|
|
|
340 |
|
|
rsync_i <= rsync;
|
341 |
|
|
if rsync = '1' then
|
342 |
|
|
if row = 0 and col = 0 then
|
343 |
|
|
fsync_i <= '1';
|
344 |
|
|
else
|
345 |
|
|
fsync_i <= '0';
|
346 |
|
|
end if;
|
347 |
|
|
|
348 |
|
|
if stop = '0' then
|
349 |
|
|
if bitsperpixel = std_logic_vector(to_unsigned(1, 16)) then
|
350 |
|
|
if bitPos = 7 then
|
351 |
|
|
read(infile, pixelB); -- B
|
352 |
|
|
end if;
|
353 |
|
|
pixel2 := to_stdlogicvector(int2bit_vec(ByteT'pos(pixelB), 8));
|
354 |
|
|
pixel2 := "0000000" & pixel2(bitPos downto bitPos);
|
355 |
|
|
pixel1 := real(to_integer(unsigned(pixel2))*255);
|
356 |
|
|
if bitPos = 0 then
|
357 |
|
|
bitPos := 7;
|
358 |
|
|
else
|
359 |
|
|
bitPos := bitPos - 1;
|
360 |
|
|
end if;
|
361 |
|
|
elsif bitsperpixel = std_logic_vector(to_unsigned(8, 16)) then
|
362 |
|
|
read(infile, pixelB); -- B
|
363 |
|
|
pixel1 := (ByteT'pos(pixelB)*1.0);
|
364 |
|
|
elsif bitsperpixel = std_logic_vector(to_unsigned(24, 16)) then
|
365 |
|
|
read(infile, pixelB); -- B
|
366 |
|
|
read(infile, pixelG); -- G
|
367 |
|
|
read(infile, pixelR); -- R
|
368 |
|
|
pixel1 := (ByteT'pos(pixelB)*0.11) + (ByteT'pos(pixelR)*0.3) + (ByteT'pos(pixelG)*0.59);
|
369 |
|
|
elsif bitsperpixel = std_logic_vector(to_unsigned(32, 16)) then
|
370 |
|
|
read(infile, pixelB); -- X do a dummy read to get rid of the first byte.
|
371 |
|
|
read(infile, pixelB); -- B
|
372 |
|
|
read(infile, pixelG); -- G
|
373 |
|
|
read(infile, pixelR); -- R
|
374 |
|
|
pixel1 := (ByteT'pos(pixelB)*0.11) + (ByteT'pos(pixelR)*0.3) + (ByteT'pos(pixelG)*0.59);
|
375 |
|
|
end if;
|
376 |
|
|
pix_data_i <= std_logic_vector(to_unsigned(integer(pixel1), 8));
|
377 |
|
|
|
378 |
|
|
col_o <= col;
|
379 |
|
|
row_o <= row;
|
380 |
|
|
end if;
|
381 |
|
|
|
382 |
|
|
if col = cols then
|
383 |
|
|
col := (others => '0');
|
384 |
|
|
rsync := '0';
|
385 |
|
|
if row = rows then
|
386 |
|
|
File_Close(infile);
|
387 |
|
|
fileClosed := true;
|
388 |
|
|
stop := '1';
|
389 |
|
|
else
|
390 |
|
|
row := row + 1;
|
391 |
|
|
end if; -- row
|
392 |
|
|
else
|
393 |
|
|
col := col + 1;
|
394 |
|
|
end if; -- col
|
395 |
|
|
else -- rsync
|
396 |
|
|
if cnt > 0 then
|
397 |
|
|
cnt := cnt -1;
|
398 |
|
|
else
|
399 |
|
|
cnt := RSYNC_DEATH_LEN_G;
|
400 |
|
|
rsync := '1';
|
401 |
|
|
end if;
|
402 |
|
|
pix_data_i <= (others => 'X');
|
403 |
|
|
end if; -- rsync
|
404 |
|
|
end if; -- clk
|
405 |
|
|
end process img_read;
|
406 |
|
|
|
407 |
|
|
write_CCITT4_output_to_img_process : process(pclk_i)
|
408 |
|
|
variable HEADER : MATRIX(0 to 5) := (x"4D",x"4D",x"00",x"2A",x"00",x"00");--first 6 bytes of header fix
|
409 |
|
|
variable HEADER_offset : MATRIX(0 to 1) := (x"00",x"0F"); --offset for number of directories
|
410 |
|
|
variable DATA: MATRIX(0 to INTEGER_RANGE_G);
|
411 |
|
|
variable NO_DIR : MATRIX(0 to 1) := (x"00",x"08"); -- no of directories fix\
|
412 |
|
|
--Types: 1=BYTE
|
413 |
|
|
-- 2=ASCII
|
414 |
|
|
-- 3=SHORT
|
415 |
|
|
-- 4=LONG
|
416 |
|
|
-- 5=RATIONAL
|
417 |
|
|
--Tif IFD(header) entry | ID tag | Field type| Number of values | Actual value |
|
418 |
|
|
variable HEADER_W: MATRIX(0 to 11) := (x"01",x"00",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"05",x"00",x"00"); -- img width
|
419 |
|
|
variable HEADER_L: MATRIX(0 to 11) := (x"01",x"01",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"05",x"00",x"00"); -- img length
|
420 |
|
|
variable HEADER_BITS: MATRIX(0 to 11) := (x"01",x"02",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"01",x"00",x"00"); -- bits per sample fix
|
421 |
|
|
variable HEADER_COMPRESS: MATRIX(0 to 11) := (x"01",x"03",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"04",x"00",x"00"); -- COMPRESSION fix
|
422 |
|
|
variable HEADER_PHOTO: MATRIX(0 to 11) := (x"01",x"06",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- photomotric interpretation fix
|
423 |
|
|
variable STRIP_OFFSET: MATRIX(0 to 11) := (x"01",x"11",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"08",x"00",x"00"); -- strip offset
|
424 |
|
|
variable ROWS_PER_STRIP: MATRIX(0 to 11) := (x"01",x"16",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- strip offset
|
425 |
|
|
variable STRIP_BYTE_COUNT: MATRIX(0 to 11) := (x"01",x"17",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- strip offset
|
426 |
|
|
variable HEADER_EOB: MATRIX(0 to 3) := (x"00",x"00",x"00",x"00"); -- END of block
|
427 |
|
|
variable CCITTOutIndex : integer range 0 to INTEGER_RANGE_G+1 := 0;
|
428 |
|
|
variable ind1 : integer range 0 to INTEGER_RANGE_G+2 := 0;
|
429 |
|
|
variable ind2 : integer range 0 to INTEGER_RANGE_G+4 := 0;
|
430 |
|
|
variable ind3 : integer range 0 to INTEGER_RANGE_G+5 := 0;
|
431 |
|
|
variable rem_index2 : std_logic_vector(15 downto 0);
|
432 |
|
|
variable s : line;
|
433 |
|
|
variable fileClosed : boolean := true;
|
434 |
|
|
variable frame_finished_prev : std_logic := '0';
|
435 |
|
|
begin
|
436 |
|
|
if pclk_i'event and pclk_i = '1' then
|
437 |
|
|
if CCITT4_run_len_code_valid_o = '1' then
|
438 |
|
|
ind1 := INTEGER_RANGE_G - CCITTOutIndex;
|
439 |
|
|
ind2 := INTEGER_RANGE_G - CCITTOutIndex - to_integer(unsigned(CCITT4_run_len_code_width_o)) + 1;
|
440 |
|
|
ind3 := to_integer(unsigned(CCITT4_run_len_code_width_o))-1;
|
441 |
|
|
CCITTOutBuf(ind1 downto ind2) <= CCITT4_run_len_code_o(ind3 downto 0);
|
442 |
|
|
CCITTOutIndex := CCITTOutIndex + to_integer(unsigned(CCITT4_run_len_code_width_o));
|
443 |
|
|
elsif frame_finished_prev = '0' and CCITT4_frame_finished_o = '1' then
|
444 |
|
|
----------------------------------------------------File writing--------------------------
|
445 |
|
|
if fileClosed then
|
446 |
|
|
fileClosed := false;
|
447 |
|
|
file_open(tif_file, OUT_FILENAME_C, WRITE_MODE);
|
448 |
|
|
end if;
|
449 |
|
|
|
450 |
|
|
report "Frame finished. Starting to copy to DATA()";
|
451 |
|
|
|
452 |
|
|
write(s, string'("CCITTOutIndex = "));
|
453 |
|
|
write(s, CCITTOutIndex);
|
454 |
|
|
writeline(output, s);
|
455 |
|
|
|
456 |
|
|
--Fill up the last byte with zeros if left over
|
457 |
|
|
ind1 := CCITTOutIndex mod 8;
|
458 |
|
|
if ind1 > 0 then
|
459 |
|
|
ind1 := INTEGER_RANGE_G - (CCITTOutIndex - (CCITTOutIndex mod 8) + 8);
|
460 |
|
|
CCITTOutBuf(INTEGER_RANGE_G - CCITTOutIndex downto ind1) <= (others => '0');
|
461 |
|
|
CCITTOutIndex := INTEGER_RANGE_G - ind1;
|
462 |
|
|
end if;
|
463 |
|
|
CCITTOutIndex := CCITTOutIndex / 8;
|
464 |
|
|
|
465 |
|
|
write(s, string'("CCITTOutIndex = "));
|
466 |
|
|
write(s, CCITTOutIndex);
|
467 |
|
|
writeline(output, s);
|
468 |
|
|
|
469 |
|
|
ind1 := INTEGER_RANGE_G;
|
470 |
|
|
ind2 := INTEGER_RANGE_G - 7;
|
471 |
|
|
for i in 0 to CCITTOutIndex loop --
|
472 |
|
|
if ind2 > INTEGER_RANGE_G then
|
473 |
|
|
report "Invalid ind2";
|
474 |
|
|
end if;
|
475 |
|
|
if ind1 > INTEGER_RANGE_G then
|
476 |
|
|
report "Invalid ind1";
|
477 |
|
|
end if;
|
478 |
|
|
DATA(i) := CCITTOutBuf(ind1 downto ind2);
|
479 |
|
|
ind1 := ind1 - 8;
|
480 |
|
|
ind2 := ind2 - 8;
|
481 |
|
|
end loop;
|
482 |
|
|
report "Finished copying to DATA()";
|
483 |
|
|
|
484 |
|
|
write(s, string'("CCITTOutIndex = "));
|
485 |
|
|
write(s, CCITTOutIndex);
|
486 |
|
|
writeline(output, s);
|
487 |
|
|
|
488 |
|
|
--Align the data in the DATA() on word size
|
489 |
|
|
if CCITTOutIndex mod 2 = 1 then
|
490 |
|
|
DATA(CCITTOutIndex) := (others => '0');
|
491 |
|
|
CCITTOutIndex := CCITTOutIndex + 1;
|
492 |
|
|
end if;
|
493 |
|
|
|
494 |
|
|
report "Finished copying to DATA()";
|
495 |
|
|
HEADER_W(8):=std_logic_vector(cols_o(15 downto 8));
|
496 |
|
|
HEADER_W(9):=std_logic_vector(cols_o(7 downto 0));
|
497 |
|
|
|
498 |
|
|
HEADER_L(8):=std_logic_vector(rows_o(15 downto 8));
|
499 |
|
|
HEADER_L(9):=std_logic_vector(rows_o(7 downto 0));
|
500 |
|
|
|
501 |
|
|
rem_index2 :=STD_LOGIC_VECTOR(to_unsigned(CCITTOutIndex + 8, 16));
|
502 |
|
|
HEADER_offset(1):=rem_index2(7 downto 0);
|
503 |
|
|
HEADER_offset(0):=rem_index2(15 downto 8);
|
504 |
|
|
|
505 |
|
|
ROWS_PER_STRIP(8):=std_logic_vector(rows_o(15 downto 8));
|
506 |
|
|
ROWS_PER_STRIP(9):=std_logic_vector(rows_o(7 downto 0));
|
507 |
|
|
|
508 |
|
|
STRIP_BYTE_COUNT(8) := STD_LOGIC_VECTOR(to_unsigned(CCITTOutIndex/256, 8));
|
509 |
|
|
STRIP_BYTE_COUNT(9) := STD_LOGIC_VECTOR(to_unsigned(CCITTOutIndex, 8));
|
510 |
|
|
|
511 |
|
|
--------------------------------------
|
512 |
|
|
---- start writing
|
513 |
|
|
--------------------------------------
|
514 |
|
|
for i in 0 to 5 loop -- read header infos
|
515 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER(i))))); --first 6 bytes of header
|
516 |
|
|
end loop;
|
517 |
|
|
for i in 0 to 1 loop
|
518 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_offset(i))))); --, offset for number of directories
|
519 |
|
|
end loop;
|
520 |
|
|
for i in 0 to CCITTOutIndex-1 loop
|
521 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(DATA(i))))); --, data
|
522 |
|
|
end loop;
|
523 |
|
|
for i in 0 to 1 loop
|
524 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(NO_DIR(i))))); --, number of directories
|
525 |
|
|
end loop;
|
526 |
|
|
for i in 0 to 11 loop
|
527 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_W(i))))); --, img width
|
528 |
|
|
end loop;
|
529 |
|
|
for i in 0 to 11 loop
|
530 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_L(i))))); --, img length
|
531 |
|
|
end loop;
|
532 |
|
|
for i in 0 to 11 loop
|
533 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_BITS(i))))); --, bits per sample
|
534 |
|
|
end loop;
|
535 |
|
|
for i in 0 to 11 loop
|
536 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_COMPRESS(i))))); --, COMPRESSION
|
537 |
|
|
end loop;
|
538 |
|
|
for i in 0 to 11 loop
|
539 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_PHOTO(i))))); --, Photometric interprattion
|
540 |
|
|
end loop;
|
541 |
|
|
for i in 0 to 11 loop
|
542 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(STRIP_OFFSET(i))))); --, STRIP offset
|
543 |
|
|
end loop;
|
544 |
|
|
for i in 0 to 11 loop
|
545 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(ROWS_PER_STRIP(i))))); --, Rows per strip
|
546 |
|
|
end loop;
|
547 |
|
|
for i in 0 to 11 loop
|
548 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(STRIP_BYTE_COUNT(i))))); --, Strip byte count
|
549 |
|
|
end loop;
|
550 |
|
|
for i in 0 to 3 loop
|
551 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_EOB(i))))); --, EOB
|
552 |
|
|
end loop;
|
553 |
|
|
--------------------------------------
|
554 |
|
|
---- end writing
|
555 |
|
|
--------------------------------------
|
556 |
|
|
|
557 |
|
|
File_Close(tif_file);
|
558 |
|
|
fileClosed := true;
|
559 |
|
|
CCITTOutIndex := 0;
|
560 |
|
|
end if;
|
561 |
|
|
|
562 |
|
|
rxStreamSizeSignal <= CCITTOutIndex;
|
563 |
|
|
frame_finished_prev := CCITT4_frame_finished_o;
|
564 |
|
|
end if;
|
565 |
|
|
end process write_CCITT4_output_to_img_process;
|
566 |
|
|
|
567 |
|
|
rs232_rx_sim_process : process(pclk_i)
|
568 |
|
|
variable HEADER : MATRIX(0 to 5) := (x"4D",x"4D",x"00",x"2A",x"00",x"00");--first 6 bytes of header fix
|
569 |
|
|
variable HEADER_offset : MATRIX(0 to 1) := (x"00",x"0F"); --offset for number of directories
|
570 |
|
|
variable DATA: MATRIX(0 to 10000);
|
571 |
|
|
variable NO_DIR : MATRIX(0 to 1) := (x"00",x"08"); -- no of directories fix\
|
572 |
|
|
--Types: 1=BYTE
|
573 |
|
|
-- 2=ASCII
|
574 |
|
|
-- 3=SHORT
|
575 |
|
|
-- 4=LONG
|
576 |
|
|
-- 5=RATIONAL
|
577 |
|
|
--Tif IFD(header) entry | ID tag | Field type| Number of values | Actual value |
|
578 |
|
|
variable HEADER_W: MATRIX(0 to 11) := (x"01",x"00",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"05",x"00",x"00"); -- img width
|
579 |
|
|
variable HEADER_L: MATRIX(0 to 11) := (x"01",x"01",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"05",x"00",x"00"); -- img length
|
580 |
|
|
variable HEADER_BITS: MATRIX(0 to 11) := (x"01",x"02",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"01",x"00",x"00"); -- bits per sample fix
|
581 |
|
|
variable HEADER_COMPRESS: MATRIX(0 to 11) := (x"01",x"03",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"04",x"00",x"00"); -- COMPRESSION fix
|
582 |
|
|
variable HEADER_PHOTO: MATRIX(0 to 11) := (x"01",x"06",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- photomotric interpretation fix
|
583 |
|
|
variable STRIP_OFFSET: MATRIX(0 to 11) := (x"01",x"11",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"08",x"00",x"00"); -- strip offset
|
584 |
|
|
variable ROWS_PER_STRIP: MATRIX(0 to 11) := (x"01",x"16",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- strip offset
|
585 |
|
|
variable STRIP_BYTE_COUNT: MATRIX(0 to 11) := (x"01",x"17",x"00",x"03",x"00",x"00",x"00",x"01",x"00",x"00",x"00",x"00"); -- strip offset
|
586 |
|
|
variable HEADER_EOB: MATRIX(0 to 3) := (x"00",x"00",x"00",x"00"); -- END of block
|
587 |
|
|
variable ind1 : integer range 0 to INTEGER_RANGE_G := 0;
|
588 |
|
|
variable rem_index2 : std_logic_vector(15 downto 0);
|
589 |
|
|
variable fileClosed : boolean := true;
|
590 |
|
|
variable rxStreamSize : integer range 0 to 65535 := 0;
|
591 |
|
|
begin
|
592 |
|
|
if pclk_i'event and pclk_i = '1' then
|
593 |
|
|
pc_rx_trigger <= '0';
|
594 |
|
|
pc_rx_available_prev <= pc_rx_available;
|
595 |
|
|
|
596 |
|
|
if ind1 = 2 then
|
597 |
|
|
rxStreamSize := to_integer(unsigned(DATA(0))) + to_integer(unsigned(DATA(1))) * 256;
|
598 |
|
|
end if;
|
599 |
|
|
|
600 |
|
|
if pc_rx_available_prev = '0' and pc_rx_available = '1' then
|
601 |
|
|
DATA(ind1) := pc_rx_data;
|
602 |
|
|
ind1 := ind1 + 1;
|
603 |
|
|
pc_rx_trigger <= '1';
|
604 |
|
|
elsif ind1 = rxStreamSize+2 and rxStreamSize /= 0 then
|
605 |
|
|
----------------------------------------------------File writing--------------------------
|
606 |
|
|
if fileClosed then
|
607 |
|
|
fileClosed := false;
|
608 |
|
|
file_open(tif_file, OUT_FILENAME_2_C, WRITE_MODE);
|
609 |
|
|
end if;
|
610 |
|
|
|
611 |
|
|
--Align the data in the DATA() on word size
|
612 |
|
|
if ind1 mod 2 = 1 then
|
613 |
|
|
DATA(ind1) := (others => '0');
|
614 |
|
|
ind1 := ind1 + 1;
|
615 |
|
|
end if;
|
616 |
|
|
|
617 |
|
|
HEADER_W(8):=std_logic_vector(cols_o(15 downto 8));
|
618 |
|
|
HEADER_W(9):=std_logic_vector(cols_o(7 downto 0));
|
619 |
|
|
|
620 |
|
|
HEADER_L(8):=std_logic_vector(rows_o(15 downto 8));
|
621 |
|
|
HEADER_L(9):=std_logic_vector(rows_o(7 downto 0));--- "00000010";
|
622 |
|
|
|
623 |
|
|
rem_index2 :=STD_LOGIC_VECTOR(to_unsigned(ind1 + 8 - 2, 16));
|
624 |
|
|
HEADER_offset(1):=rem_index2(7 downto 0);
|
625 |
|
|
HEADER_offset(0):=rem_index2(15 downto 8);
|
626 |
|
|
|
627 |
|
|
ROWS_PER_STRIP(8):=std_logic_vector(rows_o(15 downto 8));
|
628 |
|
|
ROWS_PER_STRIP(9):=std_logic_vector(rows_o(7 downto 0));
|
629 |
|
|
|
630 |
|
|
STRIP_BYTE_COUNT(8) := STD_LOGIC_VECTOR(to_unsigned(ind1/256, 8));
|
631 |
|
|
STRIP_BYTE_COUNT(9) := STD_LOGIC_VECTOR(to_unsigned(ind1, 8));
|
632 |
|
|
|
633 |
|
|
--------------------------------------
|
634 |
|
|
---- start writing
|
635 |
|
|
--------------------------------------
|
636 |
|
|
for i in 0 to 5 loop -- read header infos
|
637 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER(i))))); --first 6 bytes of header
|
638 |
|
|
end loop;
|
639 |
|
|
for i in 0 to 1 loop
|
640 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_offset(i))))); --, offset for number of directories
|
641 |
|
|
end loop;
|
642 |
|
|
for i in 2 to ind1-1 loop
|
643 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(DATA(i))))); --, data
|
644 |
|
|
end loop;
|
645 |
|
|
for i in 0 to 1 loop
|
646 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(NO_DIR(i))))); --, number of directories
|
647 |
|
|
end loop;
|
648 |
|
|
for i in 0 to 11 loop
|
649 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_W(i))))); --, img width
|
650 |
|
|
end loop;
|
651 |
|
|
for i in 0 to 11 loop
|
652 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_L(i))))); --, img length
|
653 |
|
|
end loop;
|
654 |
|
|
for i in 0 to 11 loop
|
655 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_BITS(i))))); --, bits per sample
|
656 |
|
|
end loop;
|
657 |
|
|
for i in 0 to 11 loop
|
658 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_COMPRESS(i))))); --, COMPRESSION
|
659 |
|
|
end loop;
|
660 |
|
|
for i in 0 to 11 loop
|
661 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_PHOTO(i))))); --, Photometric interprattion
|
662 |
|
|
end loop;
|
663 |
|
|
for i in 0 to 11 loop
|
664 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(STRIP_OFFSET(i))))); --, STRIP offset
|
665 |
|
|
end loop;
|
666 |
|
|
for i in 0 to 11 loop
|
667 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(ROWS_PER_STRIP(i))))); --, Rows per strip
|
668 |
|
|
end loop;
|
669 |
|
|
for i in 0 to 11 loop
|
670 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(STRIP_BYTE_COUNT(i))))); --, Strip byte count
|
671 |
|
|
end loop;
|
672 |
|
|
for i in 0 to 3 loop
|
673 |
|
|
write(tif_file , ByteT'val(ieee.numeric_std.To_Integer(unsigned(HEADER_EOB(i))))); --, EOB
|
674 |
|
|
end loop;
|
675 |
|
|
--------------------------------------
|
676 |
|
|
---- end writing
|
677 |
|
|
--------------------------------------
|
678 |
|
|
|
679 |
|
|
ind1 := 0;
|
680 |
|
|
rxStreamSize := 0;
|
681 |
|
|
File_Close(tif_file);
|
682 |
|
|
fileClosed := true;
|
683 |
|
|
end if;
|
684 |
|
|
|
685 |
|
|
RxByteCnt <= ind1;
|
686 |
|
|
end if;
|
687 |
|
|
end process rs232_rx_sim_process;
|
688 |
|
|
|
689 |
|
|
end;
|