diff options
Diffstat (limited to 'fpga/usrp3/lib/vita/chdr_8sc_to_16sc_tb.v')
| -rw-r--r-- | fpga/usrp3/lib/vita/chdr_8sc_to_16sc_tb.v | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/fpga/usrp3/lib/vita/chdr_8sc_to_16sc_tb.v b/fpga/usrp3/lib/vita/chdr_8sc_to_16sc_tb.v deleted file mode 100644 index 203bfe7a4..000000000 --- a/fpga/usrp3/lib/vita/chdr_8sc_to_16sc_tb.v +++ /dev/null @@ -1,148 +0,0 @@ -//Purpose: to test 8 to 16 converter -`timescale 1ns/1ps - -module chdr_8sc_to_16sc_tb(); - - reg clk = 0; - reg reset = 1; - //generate clock - always #10 clk = ~clk; - - initial $dumpfile("chdr_8sc_to_16sc_tb.vcd"); - initial $dumpvars(0,chdr_8sc_to_16sc_tb); - - //tells when to finish - initial - begin - #50 reset = 0; - #50000; - $finish; - end - - //setting registers and wire - reg [63:0] i_tdata; - reg i_tlast = 0; - reg i_tvalid = 0; - wire i_tready ; - reg [7:0] set_addr; - reg [31:0] set_data; - reg set_stb; - - - wire [63:0] o_tdata; - wire o_tlast; - - wire o_tvalid; - reg o_tready; - - chdr_8sc_to_16sc #(.BASE(89))dut - (.clk(clk), .reset(reset), - .set_data(set_data), .set_stb(set_stb), .set_addr(set_addr), - .i_tdata(i_tdata), .i_tlast(i_tlast), .i_tvalid(i_tvalid), .i_tready(i_tready), - .o_tdata(o_tdata), .o_tlast(o_tlast), .o_tvalid(o_tvalid), .o_tready(o_tready), .debug()); - - //if you want to feed a bigger input change array sizes here - - reg [63:0] data[0:7]; - initial $readmemh("from8_to_x.hex", data); - - //test packet loop - task test_packet; - input [15:0] len; - input [31:0] sid; - reg [1:0] index; - - begin - index <= 0; - @(posedge clk) ; - //send header - i_tdata <= {1'b0, 1'b0, 1'b1, 1'b0, 12'h0, (len + 16'd16),sid}; - i_tvalid <= 1; - i_tlast <= 0; - @(posedge clk); - while (i_tready != 1) - @(posedge clk); - i_tdata <= {64'b0}; - @(posedge clk); - while (i_tready != 1) - @(posedge clk); - //-1 for last bit accounting - repeat ( len[15:3] + (len[2]|len[1]|len[0]) - 1 ) - begin - i_tdata <= {data[index]}; - index <= index+1; - @(posedge clk); - while (i_tready != 1) - @(posedge clk); - end - i_tlast <= 1'b1; - i_tdata <= {data[index]}; - @(posedge clk); - while (i_tready != 1) - @(posedge clk); - i_tvalid <= 0; - end - endtask // test_packet - - //test_destination loop - - task test_destination; - input enable; - input [15:0] dest_home; - - - begin - @(posedge clk); - - set_data <= {enable,dest_home}; - set_addr <= 89; - set_stb <= 1; - - @(posedge clk); - set_stb <= 0; - end - endtask - - - - - - //main loop - initial - begin - i_tvalid <= 0; - o_tready <= 1; - - i_tdata <= 0; - - @(negedge reset); - @(posedge clk); - @(posedge clk); - - /* Uncomment to test without changed sid - test_destination(0,16'hFEED); - test_packet(20, 32'hDEAD_BEEF); - */ - test_destination(1,16'hFEED); - test_packet(2, 32'hDEAD_BEEF); - #1000; - test_packet(4, 32'hDEAD_BEEF); - #1000; - test_packet(6, 32'hDEAD_BEEF); - #1000; - test_packet(8, 32'hDEAD_BEEF); - #1000; - test_packet(10, 32'hDEAD_BEEF); - #1000; - test_packet(12, 32'hDEAD_BEEF); - #1000; - test_packet(14, 32'hDEAD_BEEF); - #1000; - test_packet(16, 32'hDEAD_BEEF); - #1000; - - end - - - -endmodule |
