diff options
Diffstat (limited to 'fpga/usrp2/vrt/vita_tx_tb.v')
-rw-r--r-- | fpga/usrp2/vrt/vita_tx_tb.v | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/fpga/usrp2/vrt/vita_tx_tb.v b/fpga/usrp2/vrt/vita_tx_tb.v deleted file mode 100644 index b686a8a16..000000000 --- a/fpga/usrp2/vrt/vita_tx_tb.v +++ /dev/null @@ -1,193 +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/>. -// - - - -module vita_tx_tb; - - localparam DECIM = 8'd4; - localparam INTERP = 8'd4; - - localparam MAXCHAN=1; - localparam NUMCHAN=1; - - reg clk = 0; - reg reset = 1; - - initial #1000 reset = 0; - always #50 clk = ~clk; - - initial $dumpfile("vita_tx_tb.vcd"); - initial $dumpvars(0,vita_tx_tb); - - wire [(MAXCHAN*32)-1:0] sample, sample_tx; - wire strobe, run; - reg [35:0] data_o = 36'h0; - reg src_rdy = 0; - wire dst_rdy; - - wire [63:0] vita_time; - - reg set_stb = 0; - reg [7:0] set_addr; - reg [31:0] set_data; - wire set_stb_dsp; - wire [7:0] set_addr_dsp; - wire [31:0] set_data_dsp; - - wire sample_dst_rdy, sample_src_rdy; - wire [5+64+16+(MAXCHAN*32)-1:0] sample_data_o, sample_data_tx; - - time_64bit #(.TICKS_PER_SEC(100000000), .BASE(0)) time_64bit - (.clk(clk), .rst(reset), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .pps(0), .vita_time(vita_time)); - - wire [35:0] data_tx; - wire src_rdy_tx, dst_rdy_tx; - wire sample_dst_rdy_tx, sample_src_rdy_tx; - - fifo_long #(.WIDTH(36)) fifo_short - (.clk(clk), .reset(reset), .clear(0), - .datain(data_o), .src_rdy_i(src_rdy), .dst_rdy_o(dst_rdy), - .dataout(data_tx), .src_rdy_o(src_rdy_tx), .dst_rdy_i(dst_rdy_tx)); - - vita_tx_deframer #(.BASE(16), .MAXCHAN(MAXCHAN), .USE_TRANS_HEADER(0)) vita_tx_deframer - (.clk(clk), .reset(reset), .clear(0), .clear_seqnum(0), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .data_i(data_tx), .dst_rdy_o(dst_rdy_tx), .src_rdy_i(src_rdy_tx), - .sample_fifo_o(sample_data_tx), - .sample_fifo_dst_rdy_i(sample_dst_rdy_tx), .sample_fifo_src_rdy_o(sample_src_rdy_tx), - .fifo_occupied(), .fifo_full(), .fifo_empty() ); - - vita_tx_control #(.BASE(16), .WIDTH(MAXCHAN*32)) vita_tx_control - (.clk(clk), .reset(reset), .clear(0), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .vita_time(vita_time), .error(underrun), .error_code(), - .sample_fifo_i(sample_data_tx), - .sample_fifo_dst_rdy_o(sample_dst_rdy_tx), .sample_fifo_src_rdy_i(sample_src_rdy_tx), - .sample(sample_tx), .run(run_tx), .strobe(strobe_tx)); - - tx_dsp_model tx_dsp_model - (.clk(clk), .reset(reset), .run(run_tx), .interp(INTERP), .strobe(strobe_tx), .sample(sample_tx[31:0] )); - - task write_setting; - input [7:0] addr; - input [31:0] data; - begin - set_stb <= 0; - @(posedge clk); - set_addr <= addr; - set_data <= data; - set_stb <= 1; - @(posedge clk); - set_stb <= 0; - end - endtask // write_setting - - initial - begin - @(negedge reset); - @(posedge clk); - write_setting(4,32'h14900008); // VITA header - write_setting(5,32'hF00D1234); // VITA streamid - write_setting(6,32'h98765432); // VITA trailer - write_setting(7,8); // Samples per VITA packet - write_setting(8,NUMCHAN); // Samples per VITA packet - #10000; - queue_vita_packets(0, 32'h300, 5, 32'h0000_1000, 32'h0, 4'h0, 1, 0, 1); - queue_vita_packets(0, 32'h0, 5, 32'h0000_2000, 32'h0, 4'h1, 0, 0, 0); - queue_vita_packets(0, 32'h0, 5, 32'h0000_3000, 32'h0, 4'h2, 0, 0, 0); - - queue_vita_packets(0, 32'h400, 3, 32'h0000_4000, 32'h0, 4'h3, 1, 0, 1); - queue_vita_packets(0, 32'h0, 3, 32'h0000_5000, 32'h0, 4'h4, 0, 0, 0); - queue_vita_packets(0, 32'h0, 3, 32'h0000_6000, 32'h0, 4'h5, 0, 1, 0); - - #300000 $finish; - end - - task queue_vita_packets; - input [31:0] send_secs; - input [31:0] sendtime; - input [15:0] samples; - input [15:0] word; - input [31:0] trailer; - input [3:0] seqnum; - input sob; - input eob; - input sendat; - - reg [15:0] i; - - begin - src_rdy <= 0; - @(posedge clk); - src_rdy <= 1; - data_o <= {4'b0001,4'h0,1'b0,|trailer,sob,eob,{2{sendat}},1'b0,sendat,seqnum,(16'd1+samples+|trailer+sendat+sendat+sendat)}; // header - @(posedge clk); - //data_o <= {4'b0000,32'h0}; // streamid - //@(posedge clk); - if(sendat) - begin - data_o <= {4'b0000,send_secs}; // SECS - @(posedge clk); - data_o <= {4'b0000,32'h0}; // TICS - @(posedge clk); - data_o <= {4'b0000,sendtime}; // TICS - @(posedge clk); - end - for(i=0;i<samples-1;i=i+1) - begin - data_o <= {4'b0000,i,word}; // Payload - @(posedge clk); - end - if(trailer==0) - begin - data_o <= {4'b0010,i,16'hBEEF}; // Last Payload - @(posedge clk); - end - else - begin - data_o <= {4'b0000,i,16'hBEEF}; // Last Payload - @(posedge clk); - data_o <= {4'b0010,trailer}; // Last Payload - @(posedge clk); - end - src_rdy <= 0; - @(posedge clk); - - end - endtask // queue_vita_packets - -endmodule // vita_tx_tb - - -module tx_dsp_model - (input clk, input reset, - input run, - input [7:0] interp, - output strobe, - input [31:0] sample); - - cic_strober strober(.clock(clk), .reset(reset), .enable(run), .rate(interp), .strobe_fast(1), .strobe_slow(strobe)); - - always @(posedge clk) - if(strobe) - $display("Time %d, Sent Sample %x",$time,sample); - - -endmodule // tx_dsp_model |