added TB

66cef8d2 · Alén Arias Vázquez · 2414552c · 66cef8d2
Commit 66cef8d2 authored May 12, 2022 by Alén Arias Vázquez 😎
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dna_reader_tb.sv gw/common-ip/fpga_device/tb/dna_reader_tb.sv +77 -0

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--- a/gw/common-ip/fpga_device/tb/dna_reader_tb.sv
+++ b/gw/common-ip/fpga_device/tb/dna_reader_tb.sv
+//==============================================================================
+//! @file dna_reader_tb.sv
+//==============================================================================
+//------------------------------------------------------------------------------
+// --
+// CERN - TestBench DNA Reader Xilinx FPGA --
+// --
+//------------------------------------------------------------------------------
+//
+// unit name: TestBench DNA Reader Xilinx FPGA
+//
+//! @brief TestBench DNA Reader Xilinx FPGA
+//
+//! @author alen.arias.vazquez@cern.ch
+//
+//! @date 12/05/2022
+//
+//------------------------------------------------------------------------------
+
+module dna_reader_tb  # (
+        parameter g_SIM_DNA_VALUE = 96'hAABBCCDDEEFF112233445566
+    );
+
+    //! Define time units
+    timeunit 1ns;
+
+    //! Define stimulus
+    wire    [95:0]  s_dna;
+    reg     s_clk;
+    reg     s_rst_n;
+    wire    s_dna_rdy;
+
+    dna_reader # (
+        .g_SIM_DNA_VALUE    (g_SIM_DNA_VALUE)
+    ) i_dna_reader (
+        .clk_i              (s_clk),
+        .rst_n_i            (s_rst_n),
+        .dna_rdy_o          (s_dna_rdy),
+        .dna_o              (s_dna)
+    );
+
+    //! Initial block
+    initial
+    begin : p_initial
+        s_rst_n = 1'b0;
+        s_clk = 1'b0;
+    end : p_initial
+
+    //! Clock generator
+    always
+    begin : p_clock
+        #5 s_clk = 1'b1;
+        #5 s_clk = 1'b0;
+    end : p_clock
+
+    //! Clock generator
+    always
+    begin : p_rst
+        #25 s_rst_n = 1'b1;
+    end : p_rst
+
+    //! Check Result
+    initial
+    begin : p_result
+        @(posedge s_dna_rdy)
+        assert (s_dna == g_SIM_DNA_VALUE) $display("Result is correct");
+            else begin
+                $error("Failure in simulation");
+                $error("Generic value: %X", g_SIM_DNA_VALUE);
+                $error("Expecter Valuer: %X", s_dna);
+            end
+    end : p_result
+
+endmodule
+//------------------------------------------------------------------------------
+//! end module
+//------------------------------------------------------------------------------