| 1 |
25 |
mikel262 |
-------------------------------------------------------------------------------
|
| 2 |
|
|
-- File Name : HostBFM.vhd
|
| 3 |
|
|
--
|
| 4 |
|
|
-- Project : JPEG_ENC
|
| 5 |
|
|
--
|
| 6 |
|
|
-- Module : HostBFM
|
| 7 |
|
|
--
|
| 8 |
|
|
-- Content : Host BFM (Xilinx OPB v2.1)
|
| 9 |
|
|
--
|
| 10 |
|
|
-- Description :
|
| 11 |
|
|
--
|
| 12 |
|
|
-- Spec. :
|
| 13 |
|
|
--
|
| 14 |
|
|
-- Author : Michal Krepa
|
| 15 |
|
|
--
|
| 16 |
|
|
-------------------------------------------------------------------------------
|
| 17 |
|
|
-- History :
|
| 18 |
|
|
-- 20090301: (MK): Initial Creation.
|
| 19 |
|
|
-------------------------------------------------------------------------------
|
| 20 |
|
|
|
| 21 |
|
|
library ieee;
|
| 22 |
|
|
use ieee.std_logic_1164.all;
|
| 23 |
|
|
use ieee.numeric_std.all;
|
| 24 |
|
|
use IEEE.STD_LOGIC_TEXTIO.ALL;
|
| 25 |
|
|
|
| 26 |
|
|
library STD;
|
| 27 |
|
|
use STD.TEXTIO.ALL;
|
| 28 |
|
|
|
| 29 |
|
|
library work;
|
| 30 |
|
|
use work.GPL_V2_Image_Pkg.ALL;
|
| 31 |
|
|
use WORK.MDCT_PKG.all;
|
| 32 |
|
|
use WORK.MDCTTB_PKG.all;
|
| 33 |
|
|
|
| 34 |
|
|
|
| 35 |
|
|
entity HostBFM is
|
| 36 |
|
|
port
|
| 37 |
|
|
(
|
| 38 |
|
|
CLK : in std_logic;
|
| 39 |
|
|
RST : in std_logic;
|
| 40 |
|
|
-- OPB
|
| 41 |
|
|
OPB_ABus : out std_logic_vector(31 downto 0);
|
| 42 |
|
|
OPB_BE : out std_logic_vector(3 downto 0);
|
| 43 |
|
|
OPB_DBus_in : out std_logic_vector(31 downto 0);
|
| 44 |
|
|
OPB_RNW : out std_logic;
|
| 45 |
|
|
OPB_select : out std_logic;
|
| 46 |
|
|
OPB_DBus_out : in std_logic_vector(31 downto 0);
|
| 47 |
|
|
OPB_XferAck : in std_logic;
|
| 48 |
|
|
OPB_retry : in std_logic;
|
| 49 |
|
|
OPB_toutSup : in std_logic;
|
| 50 |
|
|
OPB_errAck : in std_logic;
|
| 51 |
|
|
|
| 52 |
|
|
-- HOST DATA
|
| 53 |
|
|
iram_wdata : out std_logic_vector(23 downto 0);
|
| 54 |
|
|
iram_wren : out std_logic;
|
| 55 |
|
|
fifo_almost_full : in std_logic;
|
| 56 |
|
|
|
| 57 |
|
|
sim_done : out std_logic
|
| 58 |
|
|
);
|
| 59 |
|
|
end entity HostBFM;
|
| 60 |
|
|
|
| 61 |
|
|
-------------------------------------------------------------------------------
|
| 62 |
|
|
-------------------------------------------------------------------------------
|
| 63 |
|
|
----------------------------------- ARCHITECTURE ------------------------------
|
| 64 |
|
|
-------------------------------------------------------------------------------
|
| 65 |
|
|
-------------------------------------------------------------------------------
|
| 66 |
|
|
architecture RTL of HostBFM is
|
| 67 |
|
|
|
| 68 |
|
|
signal num_comps : integer;
|
| 69 |
|
|
signal addr_inc : integer := 0;
|
| 70 |
|
|
-------------------------------------------------------------------------------
|
| 71 |
|
|
-- Architecture: begin
|
| 72 |
|
|
-------------------------------------------------------------------------------
|
| 73 |
|
|
begin
|
| 74 |
|
|
|
| 75 |
|
|
|
| 76 |
|
|
|
| 77 |
|
|
-------------------------------------------------------------------
|
| 78 |
|
|
-- code
|
| 79 |
|
|
-------------------------------------------------------------------
|
| 80 |
|
|
p_code : process
|
| 81 |
|
|
|
| 82 |
|
|
-----------------------------------------------------------------
|
| 83 |
|
|
-- HOST WRITE
|
| 84 |
|
|
-----------------------------------------------------------------
|
| 85 |
|
|
procedure host_write
|
| 86 |
|
|
(
|
| 87 |
|
|
signal clk : in std_logic;
|
| 88 |
|
|
constant C_ADDR : in unsigned(31 downto 0);
|
| 89 |
|
|
constant C_WDATA : in unsigned(31 downto 0);
|
| 90 |
|
|
|
| 91 |
|
|
signal OPB_ABus : out std_logic_vector(31 downto 0);
|
| 92 |
|
|
signal OPB_BE : out std_logic_vector(3 downto 0);
|
| 93 |
|
|
signal OPB_DBus_in : out std_logic_vector(31 downto 0);
|
| 94 |
|
|
signal OPB_RNW : out std_logic;
|
| 95 |
|
|
signal OPB_select : out std_logic;
|
| 96 |
|
|
signal OPB_XferAck : in std_logic
|
| 97 |
|
|
) is
|
| 98 |
|
|
begin
|
| 99 |
|
|
OPB_ABus <= (others => '0');
|
| 100 |
|
|
OPB_BE <= (others => '0');
|
| 101 |
|
|
OPB_DBus_in <= (others => '0');
|
| 102 |
|
|
OPB_RNW <= '0';
|
| 103 |
|
|
OPB_select <= '0';
|
| 104 |
|
|
|
| 105 |
|
|
wait until rising_edge(clk);
|
| 106 |
|
|
|
| 107 |
|
|
OPB_select <= '1';
|
| 108 |
|
|
OPB_ABus <= std_logic_vector(C_ADDR);
|
| 109 |
|
|
OPB_RNW <= '0';
|
| 110 |
|
|
OPB_BE <= X"F";
|
| 111 |
|
|
OPB_DBus_in <= std_logic_vector(C_WDATA);
|
| 112 |
|
|
|
| 113 |
|
|
wait until rising_edge(clk);
|
| 114 |
|
|
|
| 115 |
|
|
while OPB_XferAck /= '1' loop
|
| 116 |
|
|
wait until rising_edge(clk);
|
| 117 |
|
|
end loop;
|
| 118 |
|
|
|
| 119 |
|
|
OPB_ABus <= (others => '0');
|
| 120 |
|
|
OPB_BE <= (others => '0');
|
| 121 |
|
|
OPB_DBus_in <= (others => '0');
|
| 122 |
|
|
OPB_RNW <= '0';
|
| 123 |
|
|
OPB_select <= '0';
|
| 124 |
|
|
|
| 125 |
|
|
assert false
|
| 126 |
|
|
report CR&"Host write access, address = " & HexImage(C_ADDR) & ",data written = " & HexImage(C_WDATA) &CR
|
| 127 |
|
|
severity note;
|
| 128 |
|
|
|
| 129 |
|
|
wait until rising_edge(clk);
|
| 130 |
|
|
|
| 131 |
|
|
end procedure host_write;
|
| 132 |
|
|
|
| 133 |
|
|
-----------------------------------------------------------------
|
| 134 |
|
|
-- HOST READ
|
| 135 |
|
|
-----------------------------------------------------------------
|
| 136 |
|
|
procedure host_read
|
| 137 |
|
|
(
|
| 138 |
|
|
signal clk : in std_logic;
|
| 139 |
|
|
constant C_ADDR : in unsigned(31 downto 0);
|
| 140 |
|
|
variable RDATA : out unsigned(31 downto 0);
|
| 141 |
|
|
|
| 142 |
|
|
signal OPB_ABus : out std_logic_vector(31 downto 0);
|
| 143 |
|
|
signal OPB_BE : out std_logic_vector(3 downto 0);
|
| 144 |
|
|
signal OPB_DBus_out : in std_logic_vector(31 downto 0);
|
| 145 |
|
|
signal OPB_RNW : out std_logic;
|
| 146 |
|
|
signal OPB_select : out std_logic;
|
| 147 |
|
|
signal OPB_XferAck : in std_logic
|
| 148 |
|
|
)
|
| 149 |
|
|
is
|
| 150 |
|
|
variable data_r : std_logic_vector(31 downto 0);
|
| 151 |
|
|
begin
|
| 152 |
|
|
OPB_ABus <= (others => '0');
|
| 153 |
|
|
OPB_BE <= (others => '0');
|
| 154 |
|
|
OPB_DBus_in <= (others => '0');
|
| 155 |
|
|
OPB_RNW <= '0';
|
| 156 |
|
|
OPB_select <= '0';
|
| 157 |
|
|
|
| 158 |
|
|
wait until rising_edge(clk);
|
| 159 |
|
|
|
| 160 |
|
|
OPB_select <= '1';
|
| 161 |
|
|
OPB_ABus <= std_logic_vector(C_ADDR);
|
| 162 |
|
|
OPB_RNW <= '1';
|
| 163 |
|
|
OPB_BE <= X"F";
|
| 164 |
|
|
|
| 165 |
|
|
wait until rising_edge(clk);
|
| 166 |
|
|
|
| 167 |
|
|
while OPB_XferAck /= '1' loop
|
| 168 |
|
|
wait until rising_edge(clk);
|
| 169 |
|
|
end loop;
|
| 170 |
|
|
|
| 171 |
|
|
RDATA := unsigned(OPB_DBus_out);
|
| 172 |
|
|
data_r := OPB_DBus_out;
|
| 173 |
|
|
|
| 174 |
|
|
OPB_ABus <= (others => '0');
|
| 175 |
|
|
OPB_BE <= (others => '0');
|
| 176 |
|
|
OPB_DBus_in <= (others => '0');
|
| 177 |
|
|
OPB_RNW <= '0';
|
| 178 |
|
|
OPB_select <= '0';
|
| 179 |
|
|
|
| 180 |
|
|
assert false
|
| 181 |
|
|
report CR&"Host read access, address = " & HexImage(C_ADDR) & ",data read = " & HexImage(data_r) &CR
|
| 182 |
|
|
severity note;
|
| 183 |
|
|
|
| 184 |
|
|
|
| 185 |
|
|
wait until rising_edge(clk);
|
| 186 |
|
|
|
| 187 |
|
|
end procedure host_read;
|
| 188 |
|
|
|
| 189 |
|
|
|
| 190 |
|
|
--------------------------------------
|
| 191 |
|
|
-- read text image data
|
| 192 |
|
|
--------------------------------------
|
| 193 |
|
|
procedure read_image is
|
| 194 |
|
|
file infile : TEXT open read_mode is "test.txt";
|
| 195 |
|
|
constant N : integer := 8;
|
| 196 |
|
|
constant MAX_COMPS : integer := 3;
|
| 197 |
|
|
variable inline : LINE;
|
| 198 |
|
|
variable tmp_int : INTEGER := 0;
|
| 199 |
|
|
variable y_size : INTEGER := 0;
|
| 200 |
|
|
variable x_size : INTEGER := 0;
|
| 201 |
|
|
variable matrix : I_MATRIX_TYPE;
|
| 202 |
|
|
variable x_blk_cnt : INTEGER := 0;
|
| 203 |
|
|
variable y_blk_cnt : INTEGER := 0;
|
| 204 |
|
|
variable n_lines_arr : N_LINES_TYPE;
|
| 205 |
|
|
variable line_n : INTEGER := 0;
|
| 206 |
|
|
variable pix_n : INTEGER := 0;
|
| 207 |
|
|
variable x_n : INTEGER := 0;
|
| 208 |
|
|
variable y_n : INTEGER := 0;
|
| 209 |
|
|
variable data_word : unsigned(31 downto 0);
|
| 210 |
|
|
variable image_line : STD_LOGIC_VECTOR(0 to MAX_COMPS*MAX_IMAGE_SIZE_X*IP_W-1);
|
| 211 |
|
|
|
| 212 |
|
|
constant C_IMAGE_RAM_BASE : unsigned(31 downto 0) := X"0010_0000";
|
| 213 |
|
|
|
| 214 |
|
|
variable x_cnt : integer;
|
| 215 |
|
|
variable data_word2 : unsigned(31 downto 0);
|
| 216 |
|
|
variable num_comps_v : integer;
|
| 217 |
|
|
begin
|
| 218 |
|
|
READLINE(infile,inline);
|
| 219 |
|
|
READ(inline,num_comps_v);
|
| 220 |
|
|
READLINE(infile,inline);
|
| 221 |
|
|
READ(inline,y_size);
|
| 222 |
|
|
READLINE(infile,inline);
|
| 223 |
|
|
READ(inline,x_size);
|
| 224 |
|
|
|
| 225 |
|
|
num_comps <= num_comps_v;
|
| 226 |
|
|
|
| 227 |
|
|
if y_size rem N > 0 then
|
| 228 |
|
|
assert false
|
| 229 |
|
|
report "E03: Image height dimension is not multiply of 8!"
|
| 230 |
|
|
severity Failure;
|
| 231 |
|
|
end if;
|
| 232 |
|
|
if x_size rem N > 0 then
|
| 233 |
|
|
assert false
|
| 234 |
|
|
report "E03: Image width dimension is not multiply of 8!"
|
| 235 |
|
|
severity Failure;
|
| 236 |
|
|
end if;
|
| 237 |
|
|
|
| 238 |
|
|
addr_inc <= 0;
|
| 239 |
|
|
|
| 240 |
|
|
-- image size
|
| 241 |
|
|
host_write(CLK, X"0000_0004", to_unsigned(x_size,16) & to_unsigned(y_size,16),
|
| 242 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_in, OPB_RNW, OPB_select, OPB_XferAck);
|
| 243 |
|
|
|
| 244 |
|
|
iram_wren <= '0';
|
| 245 |
|
|
for y_n in 0 to y_size-1 loop
|
| 246 |
|
|
READLINE(infile,inline);
|
| 247 |
|
|
HREAD(inline,image_line(0 to num_comps*x_size*IP_W-1));
|
| 248 |
|
|
x_cnt := 0;
|
| 249 |
|
|
for x_n in 0 to x_size-1 loop
|
| 250 |
|
|
data_word := X"00" & UNSIGNED(image_line(x_cnt to x_cnt+num_comps*IP_W-1));
|
| 251 |
|
|
data_word2(7 downto 0) := data_word(23 downto 16);
|
| 252 |
|
|
data_word2(15 downto 8) := data_word(15 downto 8);
|
| 253 |
|
|
data_word2(23 downto 16) := data_word(7 downto 0);
|
| 254 |
|
|
|
| 255 |
|
|
iram_wren <= '0';
|
| 256 |
|
|
iram_wdata <= (others => 'X');
|
| 257 |
|
|
while(fifo_almost_full = '1') loop
|
| 258 |
|
|
wait until rising_edge(clk);
|
| 259 |
|
|
end loop;
|
| 260 |
|
|
|
| 261 |
28 |
mikel262 |
--for i in 0 to 10 loop
|
| 262 |
25 |
mikel262 |
-- wait until rising_edge(clk);
|
| 263 |
|
|
--end loop;
|
| 264 |
|
|
|
| 265 |
|
|
iram_wren <= '1';
|
| 266 |
|
|
iram_wdata <= std_logic_vector(data_word2(23 downto 0));
|
| 267 |
|
|
wait until rising_edge(clk);
|
| 268 |
|
|
|
| 269 |
|
|
x_cnt := x_cnt + num_comps*IP_W;
|
| 270 |
|
|
|
| 271 |
|
|
addr_inc <= addr_inc + 1;
|
| 272 |
|
|
end loop;
|
| 273 |
|
|
end loop;
|
| 274 |
|
|
iram_wren <= '0';
|
| 275 |
|
|
|
| 276 |
|
|
end read_image;
|
| 277 |
|
|
|
| 278 |
|
|
------------------
|
| 279 |
|
|
type ROMQ_TYPE is array (0 to 64-1)
|
| 280 |
|
|
of unsigned(7 downto 0);
|
| 281 |
|
|
|
| 282 |
32 |
mikel262 |
constant qrom_lum : ROMQ_TYPE :=
|
| 283 |
25 |
mikel262 |
(
|
| 284 |
|
|
-- 100%
|
| 285 |
|
|
--others => X"01"
|
| 286 |
|
|
|
| 287 |
|
|
-- 85%
|
| 288 |
|
|
--X"05", X"03", X"04", X"04",
|
| 289 |
|
|
--X"04", X"03", X"05", X"04",
|
| 290 |
|
|
--X"04", X"04", X"05", X"05",
|
| 291 |
|
|
--X"05", X"06", X"07", X"0C",
|
| 292 |
|
|
--X"08", X"07", X"07", X"07",
|
| 293 |
|
|
--X"07", X"0F", X"0B", X"0B",
|
| 294 |
|
|
--X"09", X"0C", X"11", X"0F",
|
| 295 |
|
|
--X"12", X"12", X"11", X"0F",
|
| 296 |
|
|
--X"11", X"11", X"13", X"16",
|
| 297 |
|
|
--X"1C", X"17", X"13", X"14",
|
| 298 |
|
|
--X"1A", X"15", X"11", X"11",
|
| 299 |
|
|
--X"18", X"21", X"18", X"1A",
|
| 300 |
|
|
--X"1D", X"1D", X"1F", X"1F",
|
| 301 |
|
|
--X"1F", X"13", X"17", X"22",
|
| 302 |
|
|
--X"24", X"22", X"1E", X"24",
|
| 303 |
|
|
--X"1C", X"1E", X"1F", X"1E"
|
| 304 |
|
|
|
| 305 |
|
|
-- 75%
|
| 306 |
34 |
mikel262 |
--X"08", X"06", X"06", X"07", X"06", X"05", X"08", X"07", X"07", X"07", X"09", X"09", X"08", X"0A", X"0C", X"14",
|
| 307 |
|
|
--X"0D", X"0C", X"0B", X"0B", X"0C", X"19", X"12", X"13", X"0F", X"14", X"1D", X"1A", X"1F", X"1E", X"1D", X"1A",
|
| 308 |
|
|
--X"1C", X"1C", X"20", X"24", X"2E", X"27", X"20", X"22", X"2C", X"23", X"1C", X"1C", X"28", X"37", X"29", X"2C",
|
| 309 |
|
|
--X"30", X"31", X"34", X"34", X"34", X"1F", X"27", X"39", X"3D", X"38", X"32", X"3C", X"2E", X"33", X"34", X"32"
|
| 310 |
25 |
mikel262 |
|
| 311 |
|
|
-- 15 %
|
| 312 |
|
|
--X"35", X"25", X"28", X"2F",
|
| 313 |
|
|
--X"28", X"21", X"35", X"2F",
|
| 314 |
|
|
--X"2B", X"2F", X"3C", X"39",
|
| 315 |
|
|
--X"35", X"3F", X"50", X"85",
|
| 316 |
|
|
--X"57", X"50", X"49", X"49",
|
| 317 |
|
|
--X"50", X"A3", X"75", X"7B",
|
| 318 |
|
|
--X"61", X"85", X"C1", X"AA",
|
| 319 |
|
|
--X"CB", X"C8", X"BE", X"AA",
|
| 320 |
|
|
--X"BA", X"B7", X"D5", X"F0",
|
| 321 |
|
|
--X"FF", X"FF", X"D5", X"E2",
|
| 322 |
|
|
--X"FF", X"E6", X"B7", X"BA",
|
| 323 |
|
|
--X"FF", X"FF", X"FF", X"FF",
|
| 324 |
|
|
--X"FF", X"FF", X"FF", X"FF",
|
| 325 |
|
|
--X"FF", X"CE", X"FF", X"FF",
|
| 326 |
|
|
--X"FF", X"FF", X"FF", X"FF",
|
| 327 |
32 |
mikel262 |
--X"FF", X"FF", X"FF", X"FF"
|
| 328 |
25 |
mikel262 |
|
| 329 |
|
|
-- 50%
|
| 330 |
34 |
mikel262 |
X"10", X"0B", X"0C", X"0E", X"0C", X"0A", X"10", X"0E",
|
| 331 |
|
|
X"0D", X"0E", X"12", X"11", X"10", X"13", X"18", X"28",
|
| 332 |
|
|
X"1A", X"18", X"16", X"16", X"18", X"31", X"23", X"25",
|
| 333 |
|
|
X"1D", X"28", X"3A", X"33", X"3D", X"3C", X"39", X"33",
|
| 334 |
|
|
X"38", X"37", X"40", X"48", X"5C", X"4E", X"40", X"44",
|
| 335 |
|
|
X"57", X"45", X"37", X"38", X"50", X"6D", X"51", X"57",
|
| 336 |
|
|
X"5F", X"62", X"67", X"68", X"67", X"3E", X"4D", X"71",
|
| 337 |
|
|
X"79", X"70", X"64", X"78", X"5C", X"65", X"67", X"63"
|
| 338 |
32 |
mikel262 |
);
|
| 339 |
|
|
|
| 340 |
|
|
constant qrom_chr : ROMQ_TYPE :=
|
| 341 |
|
|
(
|
| 342 |
|
|
-- 50% for luminance! but used as chrominance, TODO!!
|
| 343 |
25 |
mikel262 |
X"10", X"0B", X"0C", X"0E", X"0C", X"0A", X"10", X"0E",
|
| 344 |
|
|
X"0D", X"0E", X"12", X"11", X"10", X"13", X"18", X"28",
|
| 345 |
|
|
X"1A", X"18", X"16", X"16", X"18", X"31", X"23", X"25",
|
| 346 |
|
|
X"1D", X"28", X"3A", X"33", X"3D", X"3C", X"39", X"33",
|
| 347 |
|
|
X"38", X"37", X"40", X"48", X"5C", X"4E", X"40", X"44",
|
| 348 |
|
|
X"57", X"45", X"37", X"38", X"50", X"6D", X"51", X"57",
|
| 349 |
|
|
X"5F", X"62", X"67", X"68", X"67", X"3E", X"4D", X"71",
|
| 350 |
|
|
X"79", X"70", X"64", X"78", X"5C", X"65", X"67", X"63"
|
| 351 |
|
|
);
|
| 352 |
|
|
|
| 353 |
|
|
variable data_read : unsigned(31 downto 0);
|
| 354 |
|
|
variable data_write : unsigned(31 downto 0);
|
| 355 |
|
|
variable addr : unsigned(31 downto 0);
|
| 356 |
|
|
|
| 357 |
|
|
|
| 358 |
|
|
------------------------------------------------------------------------------
|
| 359 |
|
|
-- BEGIN
|
| 360 |
|
|
------------------------------------------------------------------------------
|
| 361 |
|
|
begin
|
| 362 |
|
|
sim_done <= '0';
|
| 363 |
|
|
iram_wren <= '0';
|
| 364 |
|
|
|
| 365 |
|
|
while RST /= '0' loop
|
| 366 |
|
|
wait until rising_edge(clk);
|
| 367 |
|
|
end loop;
|
| 368 |
|
|
|
| 369 |
|
|
for i in 0 to 100 loop
|
| 370 |
|
|
wait until rising_edge(clk);
|
| 371 |
|
|
end loop;
|
| 372 |
|
|
|
| 373 |
|
|
|
| 374 |
|
|
|
| 375 |
|
|
host_read(CLK, X"0000_0000", data_read,
|
| 376 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_out, OPB_RNW, OPB_select, OPB_XferAck);
|
| 377 |
|
|
|
| 378 |
|
|
|
| 379 |
|
|
host_read(CLK, X"0000_0004", data_read,
|
| 380 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_out, OPB_RNW, OPB_select, OPB_XferAck);
|
| 381 |
|
|
|
| 382 |
32 |
mikel262 |
-- write luminance quantization table
|
| 383 |
25 |
mikel262 |
for i in 0 to 64-1 loop
|
| 384 |
32 |
mikel262 |
data_write := X"0000_00" & qrom_lum(i);
|
| 385 |
25 |
mikel262 |
addr := X"0000_0100" + to_unsigned(4*i,32);
|
| 386 |
|
|
host_write(CLK, addr, data_write,
|
| 387 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_in, OPB_RNW, OPB_select, OPB_XferAck);
|
| 388 |
|
|
|
| 389 |
|
|
end loop;
|
| 390 |
|
|
|
| 391 |
32 |
mikel262 |
-- write chrominance quantization table
|
| 392 |
|
|
for i in 0 to 64-1 loop
|
| 393 |
|
|
data_write := X"0000_00" & qrom_chr(i);
|
| 394 |
|
|
addr := X"0000_0200" + to_unsigned(4*i,32);
|
| 395 |
|
|
host_write(CLK, addr, data_write,
|
| 396 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_in, OPB_RNW, OPB_select, OPB_XferAck);
|
| 397 |
|
|
|
| 398 |
|
|
end loop;
|
| 399 |
|
|
|
| 400 |
|
|
|
| 401 |
25 |
mikel262 |
|
| 402 |
|
|
data_write := to_unsigned(1,32) + shift_left(to_unsigned(3,32),1);
|
| 403 |
|
|
|
| 404 |
|
|
-- SOF & num_comps
|
| 405 |
|
|
host_write(CLK, X"0000_0000", data_write,
|
| 406 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_in, OPB_RNW, OPB_select, OPB_XferAck);
|
| 407 |
|
|
|
| 408 |
|
|
-- write BUF_FIFO with bitmap
|
| 409 |
|
|
read_image;
|
| 410 |
|
|
|
| 411 |
|
|
-- wait until JPEG encoding is done
|
| 412 |
|
|
host_read(CLK, X"0000_000C", data_read,
|
| 413 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_out, OPB_RNW, OPB_select, OPB_XferAck);
|
| 414 |
|
|
while data_read /= 2 loop
|
| 415 |
|
|
host_read(CLK, X"0000_000C", data_read,
|
| 416 |
|
|
OPB_ABus, OPB_BE, OPB_DBus_out, OPB_RNW, OPB_select, OPB_XferAck);
|
| 417 |
|
|
end loop;
|
| 418 |
|
|
|
| 419 |
|
|
sim_done <= '1';
|
| 420 |
|
|
|
| 421 |
|
|
wait;
|
| 422 |
|
|
|
| 423 |
|
|
end process;
|
| 424 |
|
|
|
| 425 |
|
|
|
| 426 |
|
|
end architecture RTL;
|
| 427 |
|
|
-------------------------------------------------------------------------------
|
| 428 |
|
|
-- Architecture: end
|
| 429 |
|
|
-------------------------------------------------------------------------------
|
