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Refactor image processing components: update bit depth in rgb2gray and divider_by_3, enhance img_conv architecture, and adjust simulation settings

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This commit is contained in:
Davide Cavagnola
2025-04-11 18:06:02 +02:00
parent c712b160cc
commit b2d3060247
6 changed files with 337 additions and 144 deletions
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92
LAB2/sim/tb_rgb2gray.vhd
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@@ -45,35 +45,89 @@ ARCHITECTURE Behavioral OF rgb2gray_tb IS
BEGIN
m_axis_tready<='1';
clk <= not clk AFTER clk_period / 2; -- Clock generation
clk <= NOT clk AFTER clk_period / 2; -- Clock generation
-- Instantiate the Device Under Test (DUT)
DUT: rgb2gray
PORT MAP (
clk => clk,
resetn => resetn,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tready => m_axis_tready,
m_axis_tlast => m_axis_tlast,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tready => s_axis_tready,
s_axis_tlast => s_axis_tlast
);
DUT : rgb2gray
PORT MAP(
clk => clk,
resetn => resetn,
m_axis_tvalid => m_axis_tvalid,
m_axis_tdata => m_axis_tdata,
m_axis_tready => m_axis_tready,
m_axis_tlast => m_axis_tlast,
s_axis_tvalid => s_axis_tvalid,
s_axis_tdata => s_axis_tdata,
s_axis_tready => s_axis_tready,
s_axis_tlast => s_axis_tlast
);
-- Stimulus process
stimulus_process : PROCESS
VARIABLE pixel_value : INTEGER := 1; -- Variable to increment pixel values
BEGIN
wait for 10 ns;
resetn<='1';
WAIT FOR 10 ns;
resetn <= '1';
s_axis_tvalid <= '1';
-- Send multiple RGB pixels with incrementing values
FOR i IN 0 TO 10 LOOP -- Send 10 pixels
FOR i IN 0 TO 5 LOOP -- Send 10 pixels
-- R component
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- G component
pixel_value := pixel_value + 5;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- B component
pixel_value := pixel_value + 1;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- Reset last signal
pixel_value := pixel_value + 1;
END LOOP;
m_axis_tready <= '0';
-- R component
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- G component
pixel_value := pixel_value + 5;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- B component
pixel_value := pixel_value + 1;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
FOR i IN 0 TO 3 LOOP -- Send 10 pixels
-- R component
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- G component
pixel_value := pixel_value + 5;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- B component
pixel_value := pixel_value + 1;
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;
-- Reset last signal
pixel_value := pixel_value + 1;
END LOOP;
m_axis_tready <= '1';
FOR i IN 0 TO 3 LOOP -- Send 10 pixels
-- R component
s_axis_tdata <= STD_LOGIC_VECTOR(TO_UNSIGNED(pixel_value, 8));
WAIT FOR clk_period;