diff options
Diffstat (limited to 'led_toggle_tb.v')
| -rw-r--r-- | led_toggle_tb.v | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/led_toggle_tb.v b/led_toggle_tb.v deleted file mode 100644 index 78d4f21..0000000 --- a/led_toggle_tb.v +++ /dev/null @@ -1,59 +0,0 @@ -`timescale 1us/1us - -module led_toggle_tb; - -logic clk_i; -logic rst_i; -logic key_i; - -logic [5:0] led; - -led_toggle #(.STABLE_PERIOD(2)) uut ( - .rst_i(rst_i), - .clk_i(clk_i), - .key_i(key_i), - .led(led) -); - -string filename; -initial begin -`ifdef DUMP_FILE_NAME - filename=`DUMP_FILE_NAME; -`else - filename="led_toggle.lxt2"; -`endif - $dumpfile(filename); $dumpvars(); - clk_i = 0; - key_i = 1'b1; - #1 - rst_i = 0; - #1 - rst_i = 1; -end - -always #10 clk_i = ~clk_i; - - -initial begin - // initial key press - #13 - key_i = ~key_i; - repeat(2) @(negedge clk_i); - key_i = ~key_i; - - // try bouncing - - repeat(3) @(negedge clk_i); - - for (integer i=0; i < 19; i = i + 1) begin - @(negedge clk_i); - key_i = ~key_i; - end - repeat(10) @(negedge clk_i); - key_i = ~key_i; - - repeat(10) @(negedge clk_i); - $finish(); -end - -endmodule |
