上传PL工程

c64_pro.srcs/sources_1/rtl/utils/run_time.v

@@ -0,0 +1,51 @@
+`timescale 1 ns / 1 ps
+
+module run_time#
+	(
+		parameter	CLK_PERIOD			= 10
+	)
+	(
+		input							clk			,
+		input							rst_n		,
+        
+		output	reg						pulse_ms	,
+		output	reg	[64-1:0]			run_time_ms
+	);
+	
+	//*****************************************************************************
+	// localparam definition
+	//*****************************************************************************
+	localparam 	CLKS_OF_MS	= 1000000/CLK_PERIOD;
+	
+	//*****************************************************************************
+	// Internal register and wire declarations
+	//*****************************************************************************
+	reg		[20-1:0]	cnt_clk				;
+	
+	//*****************************************************************************
+	always @ ( posedge clk or negedge rst_n ) begin
+		if( !rst_n )
+			cnt_clk <= 0;
+		else if ( cnt_clk == CLKS_OF_MS - 1 )
+			cnt_clk <= 0;
+		else
+			cnt_clk <= cnt_clk + 1'b1;
+	end
+	
+	always @ ( posedge clk or negedge rst_n ) begin
+		if( !rst_n )
+			pulse_ms <= 1'b0;
+		else if ( cnt_clk == CLKS_OF_MS - 1 )
+			pulse_ms <= 1'b1;
+		else
+			pulse_ms <= 1'b0;
+	end
+	
+	always @ ( posedge clk or negedge rst_n ) begin
+		if( !rst_n )
+			run_time_ms <= 0;
+		else if ( pulse_ms )
+			run_time_ms <= run_time_ms + 1'b1;
+	end
+	
+endmodule