diff options
Diffstat (limited to 'fpga/usrp3/lib/timing/time_transfer_tb.v')
-rw-r--r-- | fpga/usrp3/lib/timing/time_transfer_tb.v | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/fpga/usrp3/lib/timing/time_transfer_tb.v b/fpga/usrp3/lib/timing/time_transfer_tb.v deleted file mode 100644 index af1207605..000000000 --- a/fpga/usrp3/lib/timing/time_transfer_tb.v +++ /dev/null @@ -1,55 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// - - - -`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_time, pps, pps_rcv; - wire [63:0] vita_time_rcv; - reg [63:0] vita_time = 0; - reg [63:0] counter = 0; - - localparam PPS_PERIOD = 439; // PPS_PERIOD % 10 must = 9 - always @(posedge clk) - if(counter == PPS_PERIOD) - counter <= 0; - else - counter <= counter + 1; - assign pps = (counter == (PPS_PERIOD-1)); - - always @(posedge clk) - vita_time <= vita_time + 1; - - time_sender time_sender - (.clk(clk),.rst(rst), - .vita_time(vita_time), - .send_sync(pps), - .exp_time_out(exp_time) ); - - time_receiver time_receiver - (.clk(clk),.rst(rst), - .vita_time(vita_time_rcv), - .sync_rcvd(pps_rcv), - .exp_time_in(exp_time) ); - - wire [31:0] delta = vita_time - vita_time_rcv; -endmodule // time_transfer_tb |