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author | Josh Blum <josh@joshknows.com> | 2010-01-22 16:00:45 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-01-22 16:00:45 -0800 |
commit | 8b377a9d6d0ad281474a8dbff49ea3b093178b28 (patch) | |
tree | 8e3c7a1b60f96df6e2140666d3b7afa5166d885d /timing/time_transfer_tb.v | |
parent | e92d36dcfe02afaedec348f2d8fc4523fb4e633b (diff) | |
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moved into subdir
Diffstat (limited to 'timing/time_transfer_tb.v')
-rw-r--r-- | timing/time_transfer_tb.v | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/timing/time_transfer_tb.v b/timing/time_transfer_tb.v deleted file mode 100644 index 2b75c60bd..000000000 --- a/timing/time_transfer_tb.v +++ /dev/null @@ -1,50 +0,0 @@ - -`timescale 1ns / 1ps - -module time_transfer_tb(); - - reg clk = 0, rst = 1; - always #5 clk = ~clk; - - initial - begin - @(negedge clk); - @(negedge clk); - rst <= 0; - end - - initial $dumpfile("time_transfer_tb.vcd"); - initial $dumpvars(0,time_transfer_tb); - - initial #100000000 $finish; - - wire exp_pps, pps, pps_rcv; - wire [31:0] master_clock_rcv; - reg [31:0] master_clock = 0; - reg [31:0] counter = 0; - - localparam PPS_PERIOD = 109; - always @(posedge clk) - if(counter == PPS_PERIOD) - counter <= 0; - else - counter <= counter + 1; - assign pps = (counter == (PPS_PERIOD-1)); - - always @(posedge clk) - master_clock <= master_clock + 1; - - time_sender time_sender - (.clk(clk),.rst(rst), - .master_clock(master_clock), - .pps(pps), - .exp_pps_out(exp_pps) ); - - time_receiver time_receiver - (.clk(clk),.rst(rst), - .master_clock(master_clock_rcv), - .pps(pps_rcv), - .exp_pps_in(exp_pps) ); - - wire [31:0] delta = master_clock - master_clock_rcv; -endmodule // time_transfer_tb |