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流水灯测试文件

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/ ——————————————————————– Module: Waterledtest Author: Step Description: Testbench for Waterled Web: www.ecbcamp.com ——————————————————————– Code Revision History : ——————————————————————– Version: |Mod. Date: |Changes Made: V1.0 |2015/11/11 |Initial ver ——————————————————————– `timescale 1ns / 100ps module Waterledtest; parameter CLKPERIOD = 40; CLKPERIOD=40ns, Frequency=25MHz parameter CNTNUM = 10; reg sysclk; initial sysclk = 1'b0; always sysclk = #(CLKPERIOD/2) ~sys_clk; reg sysrstn; active low initial begin sysrstn = 1'b0; #100; sysrst_n = 1'b1; end wire [7:0] ledout; Waterled #(.CNTNUM(CNTNUM)) Waterleduut ( .clkin(sysclk), .rstnin(sysrstn), .ledout(ledout) ); endmodule