| Line 22... |
Line 22... |
|
|
MAX_CODE_LEN_G : integer := 28;
|
MAX_CODE_LEN_G : integer := 28;
|
MAX_CODE_LEN_WIDTH_G : integer := 5;
|
MAX_CODE_LEN_WIDTH_G : integer := 5;
|
SEG_OUTPUT_WIDTH_G : integer := 8;
|
SEG_OUTPUT_WIDTH_G : integer := 8;
|
|
|
TX_MEMORY_SIZE_G : integer := 4;
|
TX_MEMORY_SIZE_G : integer := 4000;
|
TX_MEMORY_ADDRESS_WIDTH_G : integer := 12;
|
TX_MEMORY_ADDRESS_WIDTH_G : integer := 12;
|
TX_MEMORY_WIDTH_G : integer := 8;
|
TX_MEMORY_WIDTH_G : integer := 8;
|
|
|
--@26.6MHz
|
--@26.6MHz
|
BAUD_DIVIDE_G : integer := 15; --115200 baud
|
BAUD_DIVIDE_G : integer := 15; --115200 baud
|
| Line 53... |
Line 53... |
led0_o : out STD_LOGIC;
|
led0_o : out STD_LOGIC;
|
led1_o : out STD_LOGIC;
|
led1_o : out STD_LOGIC;
|
led2_o : out STD_LOGIC;
|
led2_o : out STD_LOGIC;
|
led3_o : out STD_LOGIC;
|
led3_o : out STD_LOGIC;
|
|
|
sw_i : in STD_LOGIC_VECTOR(6 downto 0)
|
sw_i : in STD_LOGIC_VECTOR(6 downto 0);
|
|
|
|
--Testbench connections
|
|
CCITT4_run_len_code_o : out STD_LOGIC_VECTOR (MAX_CODE_LEN_G-1 downto 0);
|
|
CCITT4_run_len_code_width_o : out STD_LOGIC_VECTOR (MAX_CODE_LEN_WIDTH_G-1 downto 0);
|
|
CCITT4_run_len_code_valid_o : out STD_LOGIC;
|
|
CCITT4_frame_finished_o : out STD_LOGIC
|
);
|
);
|
end capture_manager;
|
end capture_manager;
|
|
|
architecture Behavioral of capture_manager is
|
architecture Behavioral of capture_manager is
|
type state_type is (S_Start, S_WaitForChar, S_WaitForNewFrame, S_CaptureStoreFrame,
|
type state_type is (S_Start, S_WaitForChar, S_WaitForNewFrame, S_CaptureStoreFrame,
|
| Line 125... |
Line 131... |
|
|
--Other signals
|
--Other signals
|
signal fsync_prev : STD_LOGIC := '0';
|
signal fsync_prev : STD_LOGIC := '0';
|
signal tx_mem_overflow : std_logic := '0';
|
signal tx_mem_overflow : std_logic := '0';
|
|
|
component CCITT4_v2
|
|
port(
|
|
pclk_i : in STD_LOGIC;
|
|
fsync_i : in STD_LOGIC;
|
|
rsync_i : in STD_LOGIC;
|
|
pix_i : in STD_LOGIC;
|
|
run_len_code_o : out STD_LOGIC_VECTOR(MAX_CODE_LEN_G - 1 downto 0);
|
|
run_len_code_width_o : out STD_LOGIC_VECTOR(MAX_CODE_LEN_WIDTH_G - 1 downto 0);
|
|
run_len_code_valid_o : out STD_LOGIC;
|
|
frame_finished_o : out STD_LOGIC;
|
|
fax4_x : buffer unsigned(COL_INDEX_WIDTH_G - 1 downto 0) := (others => '0');
|
|
fax4_y : buffer unsigned(ROW_INDEX_WIDTH_G - 1 downto 0) := (others => '0')
|
|
);
|
|
end component CCITT4_v2;
|
|
|
|
begin
|
begin
|
CCITT4_ins : CCITT4_v2
|
CCITT4_ins : entity work.CCITT4_v2
|
Port Map(
|
Port Map(
|
pclk_i => pclk_i,
|
pclk_i => pclk_i,
|
fsync_i => fsync_i,
|
fsync_i => fsync_i,
|
rsync_i => rsync_i,
|
rsync_i => rsync_i,
|
pix_i => pix,
|
pix_i => pix,
|
run_len_code_o => run_len_code_CCITT4,
|
run_len_code_o => run_len_code_CCITT4,
|
run_len_code_width_o => run_len_code_width_CCITT4,
|
run_len_code_width_o => run_len_code_width_CCITT4,
|
run_len_code_valid_o => run_len_code_valid_CCITT4,
|
run_len_code_valid_o => run_len_code_valid_CCITT4,
|
frame_finished_o => frame_finished_CCITT4,
|
frame_finished_o => frame_finished_CCITT4
|
fax4_x => fax4_x,
|
|
fax4_y => fax4_y
|
|
);
|
);
|
|
|
byte_segmentation_ins_v5 : entity work.byte_segmentation_v5
|
byte_segmentation_ins_v5 : entity work.byte_segmentation_v5
|
Generic Map(
|
Generic Map(
|
INPUT_WIDTH_G => MAX_CODE_LEN_G,
|
INPUT_WIDTH_G => MAX_CODE_LEN_G,
|
| Line 382... |
Line 371... |
vgaGreen <= pix_data_i(7 downto 5) when sw_i(0) = '0' else pix_data_i(7) & pix_data_i(7) & pix_data_i(7);
|
vgaGreen <= pix_data_i(7 downto 5) when sw_i(0) = '0' else pix_data_i(7) & pix_data_i(7) & pix_data_i(7);
|
vgaBlue <= pix_data_i(7 downto 6) when sw_i(0) = '0' else pix_data_i(7) & pix_data_i(7);
|
vgaBlue <= pix_data_i(7 downto 6) when sw_i(0) = '0' else pix_data_i(7) & pix_data_i(7);
|
vga_fsync_o <= fsync_i;
|
vga_fsync_o <= fsync_i;
|
vga_rsync_o <= rsync_i;
|
vga_rsync_o <= rsync_i;
|
|
|
|
CCITT4_run_len_code_o <= run_len_code_CCITT4;
|
|
CCITT4_run_len_code_width_o <= run_len_code_width_CCITT4;
|
|
CCITT4_run_len_code_valid_o <= run_len_code_valid_CCITT4;
|
|
CCITT4_frame_finished_o <= frame_finished_CCITT4;
|
|
|
end Behavioral;
|
end Behavioral;
|
|
|
No newline at end of file
|
No newline at end of file
|
