diff options
Diffstat (limited to 'fpga/usrp2/timing/time_transfer_tb.v')
-rw-r--r-- | fpga/usrp2/timing/time_transfer_tb.v | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/fpga/usrp2/timing/time_transfer_tb.v b/fpga/usrp2/timing/time_transfer_tb.v deleted file mode 100644 index 288540702..000000000 --- a/fpga/usrp2/timing/time_transfer_tb.v +++ /dev/null @@ -1,67 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - - -`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 |