1 files changed, 54 insertions, 0 deletions
diff --git a/mictoled/mictoled_tb.v b/mictoled/mictoled_tb.v
new file mode 100644
index 0000000..d2681d3
--- /dev/null
+++ b/mictoled/mictoled_tb.v
@@ -0,0 +1,54 @@
+`timescale 1ns/1ns
+
+module mictoled_tb;
+    reg clk;
+    reg btn;
+
+    reg mic_dat;
+    reg[1:0] data[4000000];
+
+
+    wire led1;
+    wire led2;
+    wire led3;
+    wire led4;
+    wire led5;
+    wire led6;
+    wire led7;
+    wire led8;
+    wire lcol1;
+    wire lcol2;
+    wire lcol3;
+    wire lcol4;
+
+    wire mic_clk;
+
+    mictoled mictoled_1 (clk, btn,
+        mic_clk, mic_dat,
+        led1, led2, led3, led4, led5, led6, led7, led8, lcol1, lcol2, lcol3, lcol4);
+
+    always #1 clk = ~clk;
+
+    integer i;
+    initial begin
+        $dumpfile("mictoled_tb.vcd");
+        $dumpvars(0, mictoled_1);
+
+        // $monitor("Time = %0t clk = %0d sig = %0d", $time, clk, sig);
+
+        mic_dat = 0;
+        clk = 0;
+        btn = 1;
+        #10 btn = 0;
+
+        $readmemh("pdmgen/pdm.hex", data);
+        for (i = 0; i < 400000; i = i + 1) begin
+            wait (mic_clk == 1'b1);
+            mic_dat = data[i];
+            wait (mic_clk == 1'b0);
+        end
+        //wait (rdy) $display("y=%d", y);
+        $finish;
+    end
+
+endmodule