root / usrp2 / control_lib / double_buffer_tb.v @ 08b60ada
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// |
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// Copyright 2011 Ettus Research LLC |
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// |
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// This program is free software: you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation, either version 3 of the License, or |
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// (at your option) any later version. |
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// |
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// This program is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with this program. If not, see <http://www.gnu.org/licenses/>. |
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// |
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|
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module double_buffer_tb(); |
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|
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reg clk = 0; |
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reg rst = 1; |
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reg clear = 0; |
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initial #1000 rst = 0; |
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always #50 clk = ~clk; |
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|
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wire src_rdy_o; |
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reg src_rdy_i = 0; |
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wire dst_rdy_o; |
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|
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wire dst_rdy_i = 1; |
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wire [35:0] data_o; |
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reg [35:0] data_i; |
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|
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wire access_we, access_stb, access_done, access_ok, access_skip_read; |
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|
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wire [8:0] access_adr, access_len; |
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wire [35:0] dsp_to_buf, buf_to_dsp; |
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reg set_stb = 0; |
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|
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double_buffer db |
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(.clk(clk),.reset(rst),.clear(0), |
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.access_we(access_we), .access_stb(access_stb), .access_ok(access_ok), .access_done(access_done), |
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.access_skip_read(access_skip_read), .access_adr(access_adr), .access_len(access_len), |
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.access_dat_i(dsp_to_buf), .access_dat_o(buf_to_dsp), |
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|
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.data_i(data_i), .src_rdy_i(src_rdy_i), .dst_rdy_o(dst_rdy_o), |
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.data_o(data_o), .src_rdy_o(src_rdy_o), .dst_rdy_i(dst_rdy_i)); |
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|
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dspengine_8to16 dspengine_8to16 |
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(.clk(clk),.reset(rst),.clear(0), |
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.set_stb(set_stb), .set_addr(0), .set_data(1), |
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.access_we(access_we), .access_stb(access_stb), .access_ok(access_ok), .access_done(access_done), |
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.access_skip_read(access_skip_read), .access_adr(access_adr), .access_len(access_len), |
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.access_dat_i(buf_to_dsp), .access_dat_o(dsp_to_buf)); |
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|
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always @(posedge clk) |
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if(src_rdy_o & dst_rdy_i) |
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begin |
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$display("SOF %d, EOF %d, OCC %x, DAT %x",data_o[32],data_o[33],data_o[35:34],data_o[31:0]);
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if(data_o[33]) |
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$display(); |
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end |
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initial $dumpfile("double_buffer_tb.vcd");
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initial $dumpvars(0,double_buffer_tb); |
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|
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initial |
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begin |
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@(negedge rst); |
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@(posedge clk); |
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@(posedge clk); |
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@(posedge clk); |
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/* |
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// Passthrough |
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$display("Passthrough");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'h01234567};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'hFFFFFFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h04050607};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h08090a0b};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h0c0d0e0f};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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repeat (5) |
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@(posedge clk); |
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*/ |
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$display("Enabled");
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set_stb <= 1; |
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@(posedge clk); |
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set_stb <= 0; |
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/* |
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@(posedge clk); |
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$display("Non-IF Data Passthrough");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'h89acdef0};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'hC0000000};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h14151617};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h18191a1b};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h1c1d1e1f};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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$display("No StreamID, No Trailer, Even");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'hAAAAAAAA};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h0000FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h01000200};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h03000400};
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src_rdy_i <= 0; |
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@(posedge clk); |
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@(posedge clk); |
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@(posedge clk); |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h05000600};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h07000800};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h09000a00};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h0b000c00};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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$display("No StreamID, No Trailer, Odd");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'hBBBBBBBB};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h0000FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h11001200};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h13001400};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h15001600};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h17001800};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h19001a00};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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*/ |
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$display("No StreamID, Trailer, Even");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'hCCCCCCCC};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h0400FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h21222324};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h25262728};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h292a2b2c};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h2d2e2f30};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'hDEADBEEF};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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/* |
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$display("No StreamID, Trailer, Odd");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'hDDDDDDDD};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h0400FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h21222324};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h25262728};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h292a2b2c};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h2d2e2f30};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'hDEBDBF0D};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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*/ |
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while(~dst_rdy_o) |
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@(posedge clk); |
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/* |
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$display("No StreamID, Trailer, Odd");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'h0400FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h31003200};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h33003400};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h35003600};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h39003a00};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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$display("StreamID, No Trailer, Even");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'h1000FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h11001200};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h13001400};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h15001600};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'h17001800};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'h19001a00};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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while(~dst_rdy_o) |
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@(posedge clk); |
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$display("StreamID, Trailer, Odd");
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src_rdy_i <= 1; |
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data_i <= { 2'b00,1'b0,1'b1,32'h1400FFFF};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'ha100a200};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'ha300a400};
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src_rdy_i <= 0; |
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@(posedge clk); |
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src_rdy_i <= 1; |
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'ha500a600};
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@(posedge clk); |
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data_i <= { 2'b00,1'b0,1'b0,32'ha700a800};
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@(posedge clk); |
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data_i <= { 2'b00,1'b1,1'b0,32'hbbb0bbb0};
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@(posedge clk); |
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src_rdy_i <= 0; |
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@(posedge clk); |
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*/ |
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end |
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|
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initial #28000 $finish; |
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endmodule // double_buffer_tb |