Add fpga-xc3s100e and icopyx support

fpga-xc2s30/tests/tb_min_max_tracker.v

@@ -0,0 +1,74 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2014 iZsh <izsh at fail0verflow.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// testbench for min_max_tracker
+`include "min_max_tracker.v"
+
+`define FIN "tb_tmp/data.filtered.gold"
+`define FOUT_MIN "tb_tmp/data.min"
+`define FOUT_MAX "tb_tmp/data.max"
+
+module min_max_tracker_tb;
+
+    integer fin;
+    integer fout_min, fout_max;
+    integer r;
+
+    reg clk;
+    reg [7:0] adc_d;
+    wire [7:0] min;
+    wire [7:0] max;
+
+    initial
+    begin
+        clk = 0;
+        fin = $fopen(`FIN, "r");
+        if (!fin) begin
+            $display("ERROR: can't open the data file");
+            $finish;
+        end
+        fout_min = $fopen(`FOUT_MIN, "w+");
+        fout_max = $fopen(`FOUT_MAX, "w+");
+        if (!$feof(fin))
+            adc_d = $fgetc(fin); // read the first value
+    end
+
+    always
+        # 1 clk = !clk;
+
+    // input
+    initial
+    begin
+        while (!$feof(fin)) begin
+            @(negedge clk) adc_d <= $fgetc(fin);
+        end
+
+        if ($feof(fin))
+        begin
+            # 3 $fclose(fin);
+            $fclose(fout_min);
+            $fclose(fout_max);
+            $finish;
+        end
+    end
+
+    initial
+    begin
+        // $monitor("%d\t min: %x, max: %x", $time, min, max);
+    end
+
+    // output
+    always @(negedge clk)
+    if ($time > 2) begin
+        r = $fputc(min, fout_min);
+        r = $fputc(max, fout_max);
+    end
+
+    // module to test
+    min_max_tracker tracker(clk, adc_d, 8'd127, min, max);
+
+endmodule