aboutsummaryrefslogtreecommitdiffstats
path: root/fpga/usrp3/lib/sim/rfnoc/chdr_deframer
diff options
context:
space:
mode:
Diffstat (limited to 'fpga/usrp3/lib/sim/rfnoc/chdr_deframer')
-rw-r--r--fpga/usrp3/lib/sim/rfnoc/chdr_deframer/chdr_deframer_tb.v87
1 files changed, 87 insertions, 0 deletions
diff --git a/fpga/usrp3/lib/sim/rfnoc/chdr_deframer/chdr_deframer_tb.v b/fpga/usrp3/lib/sim/rfnoc/chdr_deframer/chdr_deframer_tb.v
new file mode 100644
index 000000000..312ca478d
--- /dev/null
+++ b/fpga/usrp3/lib/sim/rfnoc/chdr_deframer/chdr_deframer_tb.v
@@ -0,0 +1,87 @@
+//
+// Copyright 2012-2013 Ettus Research LLC
+// Copyright 2018 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+//
+
+//`timescale 1ns
+module chdr_deframer_tb();
+
+ reg clk, reset;
+ always
+ #100 clk = ~clk;
+
+ initial $dumpfile("chdr_deframer_tb.vcd");
+ initial $dumpvars(0,chdr_deframer_tb);
+
+ reg [63:0] i_tdata;
+ reg i_tlast, i_tvalid;
+ wire i_tready;
+
+ wire [31:0] o_tdata;
+ wire [127:0] o_tuser;
+ wire o_tlast, o_tvalid;
+
+ reg o_tready = 1;
+
+ wire [63:0] int_tdata;
+ wire int_tlast, int_tvalid, int_tready;
+
+ axi_fifo #(.SIZE(10), .WIDTH(65)) fifo
+ (.clk(clk), .reset(reset), .clear(0),
+ .i_tdata({i_tlast, i_tdata}), .i_tvalid(i_tvalid), .i_tready(i_tready),
+ .o_tdata({int_tlast, int_tdata}), .o_tvalid(int_tvalid), .o_tready(int_tready));
+
+ chdr_deframer chdr_deframer
+ (.clk(clk), .reset(reset), .clear(0),
+ .i_tdata(int_tdata), .i_tlast(int_tlast), .i_tvalid(int_tvalid), .i_tready(int_tready),
+ .o_tdata(o_tdata), .o_tuser(o_tuser), .o_tlast(o_tlast), .o_tvalid(o_tvalid), .o_tready(o_tready));
+
+ reg [63:0] hdr, vtime, data;
+
+ initial
+ begin
+ clk = 0;
+ reset = 1;
+ i_tlast = 0;
+ i_tvalid = 0;
+ hdr = 64'hFF00_AAB9_BEEF_0000;
+ vtime = 64'h8888_7777_6666_0000;
+ data = 64'hEEEE_0000_FFFF_0001;
+ #1000 reset = 0;
+ repeat (10)
+ @(posedge clk);
+ repeat (6)
+ begin
+ #1 i_tdata = hdr;
+ #1 i_tlast = 0;
+ #1 i_tvalid = 1;
+ @(posedge clk);
+ #1 i_tdata = vtime;
+ @(posedge clk);
+ #1 hdr = hdr + 1;
+ #1 vtime = vtime + 1;
+ repeat (10)
+ begin
+ #1 i_tdata = data;
+ #1 data = data + 64'h0000_0002_0000_0002;
+ @(posedge clk);
+ end
+ #1 i_tdata = data;
+ #1 data = data + 64'h0000_0002_0000_0002;
+ #1 i_tlast <= 1;
+ @(posedge clk);
+ end // repeat (20)
+ #1 i_tvalid <= 0;
+ #200000 $finish;
+ end
+
+ always @(posedge clk)
+ if(o_tvalid & o_tready)
+ if(o_tlast)
+ $display("%x LAST",o_tdata);
+ else
+ $display("%x",o_tdata);
+
+endmodule // chdr_deframer_tb