上传PL工程

c64_pro.srcs/sources_1/rtl/led_ctrl_tb.v

@@ -0,0 +1,70 @@
+ `timescale 1ns/1ps
+ 
+module led_ctrl_tb();
+
+	//*****************************************************************************
+	// Parameter definition
+	//*****************************************************************************
+	localparam	T_CLK 			= 10;		//ns
+
+	//*****************************************************************************
+	// Internal register and wire declarations
+	//*****************************************************************************
+	reg								clk					;
+	reg								rst_n				;
+	
+	reg		[3-1:0]					cmd					;
+	wire							led					;
+	
+	//*****************************************************************************
+	// Instantiation
+	//*****************************************************************************
+	led_ctrl#
+		(
+			.CLK_PERIOD			( T_CLK			        )
+		)
+	DUT
+		(
+			.clk				( clk					),
+			.rst_n				( rst_n					),
+			
+			.cmd				( cmd					),
+			.led				( led					)
+		);
+	
+	//*****************************************************************************
+	always #( T_CLK/2.0 )  clk = !clk;
+	
+	initial begin
+		Initial();
+		#100 rst_n = 0;
+		#100 rst_n = 1;
+		#100;
+
+		cmd	<= 3'b011;
+
+	//	#40_000
+	//	@ ( posedge clk );
+	//	$stop;
+		
+	end
+	
+	//*****************************************************************************
+	// Task
+	//*****************************************************************************
+	task Initial;
+		begin
+			clk		<= 1'b0	;
+			rst_n	<= 1'b0	;
+			
+			cmd		<= 3'b000;
+			
+		end
+	endtask
+	
+	//*****************************************************************************
+	// Wire assignment
+	//*****************************************************************************
+    
+
+endmodule