module image_tb(); reg clk; reg camera_en; wire data_valid; wire [7:0] data_out; image UUT(clk, camera_en, data_valid, data_out); initial begin clk = 0; $dumpfile("vcd/image.vcd"); $dumpvars(0, image_tb); camera_en = 0; #2; camera_en = 1; #1000; $finish; end always begin clk = ~clk; #1; end endmodule