Martin Braun
f645d3d613
Both files are a UHD 3 remnant and potentially confusing for UHD 4 codebase readers. Original-commit: b29af0ea0d340f37628f65e7b739fa1865d212a9
113 lines
3.5 KiB
Systemverilog
113 lines
3.5 KiB
Systemverilog
/////////////////////////////////////////////////////////////////////
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//
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// Copyright 2016-2017 Ettus Research
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//
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// Arm Deframer Testbench
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//
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// Arm Deframer adds a 6 bit padding to the ethernet frame
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//
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//////////////////////////////////////////////////////////////////////
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`timescale 1ns/1ps
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`define SIM_RUNTIME_US 0.0001
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`define NS_PER_TICK 1
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`define NUM_TEST_CASES 3
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`include "sim_axis_lib.svh"
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`include "sim_exec_report.vh"
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`include "sim_set_rb_lib.svh"
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`include "sim_clks_rsts.vh"
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// NOTE: The tesbench is not self-checking
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module arm_deframer_tb();
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`TEST_BENCH_INIT("arm_deframer_tb",`NUM_TEST_CASES,`NS_PER_TICK);
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localparam CLK_PERIOD = $ceil(1e6/166.67e6);
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`DEFINE_CLK(clk, CLK_PERIOD, 50);
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`DEFINE_RESET(rst, 0, 100);
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axis_master #(.DWIDTH(68)) m_axis (.clk(clk));
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axis_slave #(.DWIDTH(68)) s_axis (.clk(clk));
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reg clear;
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wire [63:0] c2e_tdata_int;
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wire [3:0] c2e_tuser_int;
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wire c2e_tlast_int;
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wire c2e_tvalid_int;
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wire c2e_tready_int;
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arm_deframer inst_arm_deframer (
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.clk (clk),
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.reset (rst),
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.clear (clear),
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.s_axis_tdata (m_axis.axis.tdata[63:0]),
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.s_axis_tuser (m_axis.axis.tdata[67:64]),
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.s_axis_tlast (m_axis.axis.tlast),
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.s_axis_tvalid (m_axis.axis.tvalid),
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.s_axis_tready (m_axis.axis.tready),
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.m_axis_tdata (c2e_tdata_int),
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.m_axis_tuser (c2e_tuser_int),
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.m_axis_tlast (c2e_tlast_int),
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.m_axis_tvalid (c2e_tvalid_int),
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.m_axis_tready (c2e_tready_int)
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);
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axi_mux4 #(.PRIO(0), .WIDTH(68)) eth_mux
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(.clk(clk), .reset(reset), .clear(clear),
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.i0_tdata({c2e_tuser_int,c2e_tdata_int}), .i0_tlast(c2e_tlast_int), .i0_tvalid(c2e_tvalid_int), .i0_tready(c2e_tready_int),
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.i1_tdata(), .i1_tlast(), .i1_tvalid(), .i1_tready(),
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.i2_tdata(), .i2_tlast(), .i2_tvalid(), .i2_tready(),
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.i3_tdata(), .i3_tlast(), .i3_tvalid(1'b0), .i3_tready(),
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.o_tdata(s_axis.axis.tdata), .o_tlast(s_axis.axis.tlast), .o_tvalid(s_axis.axis.tvalid), .o_tready(1'b1/*s_axis.axis.tready*/));
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reg [63:0] out_tdata;
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reg [3:0] tuser;
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reg tlast;
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initial begin
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forever begin
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s_axis.pull_word({tuser,out_tdata}, tlast);
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$display("tuser = %d, out_tdata = %x, last = %d", tuser, out_tdata, tlast);
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end
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end
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initial begin : tb_main
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`TEST_CASE_START("Wait for reset");
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m_axis.reset;
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while (rst) @(posedge clk);
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`TEST_CASE_DONE(~rst);
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`TEST_CASE_START("Send frame");
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repeat (10) @(posedge clk);
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for (int j = 0; j < 2; j ++) begin
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@(posedge clk);
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$display("----------New Frame---------------");
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for (int i = 0; i < 9; i ++) begin
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m_axis.push_word({4'h0,64'h1111111111111111 * i}, 1'b0);
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//m_axis.push_bubble();
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end
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m_axis.push_word({4'h1,64'h9999999999999999}, 1'b1);
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//m_axis.push_bubble();
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end
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@(posedge clk);
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@(posedge clk);
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`TEST_CASE_DONE(1);
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repeat (10) @(posedge clk);
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`TEST_CASE_START("Send frame with bubble");
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repeat (10) @(posedge clk);
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for (int j = 0; j < 2; j ++) begin
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@(posedge clk);
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$display("----------New Frame---------------");
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for (int i = 0; i < 9; i ++) begin
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m_axis.push_word({4'h0,64'h1111111111111111 * i}, 1'b0);
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m_axis.push_bubble();
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end
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m_axis.push_word({4'h1,64'h9999999999999999}, 1'b1);
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m_axis.push_bubble();
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end
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@(posedge clk);
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@(posedge clk);
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`TEST_CASE_DONE(1);
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`TEST_BENCH_DONE;
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end
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endmodule
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