diff options
Diffstat (limited to 'usrp2/control_lib/newfifo/fifo_tb.v')
-rw-r--r-- | usrp2/control_lib/newfifo/fifo_tb.v | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/usrp2/control_lib/newfifo/fifo_tb.v b/usrp2/control_lib/newfifo/fifo_tb.v deleted file mode 100644 index f561df7fa..000000000 --- a/usrp2/control_lib/newfifo/fifo_tb.v +++ /dev/null @@ -1,158 +0,0 @@ -module fifo_new_tb(); - - reg clk = 0; - reg rst = 1; - reg clear = 0; - initial #1000 rst = 0; - always #50 clk = ~clk; - - reg [31:0] f36_data = 0; - reg [1:0] f36_occ = 0; - reg f36_sof = 0, f36_eof = 0; - - wire [35:0] f36_in = {f36_occ,f36_eof,f36_sof,f36_data}; - reg src_rdy_f36i = 0; - wire dst_rdy_f36i; - - wire [35:0] f36_out, f36_out2; - wire src_rdy_f36o; - reg dst_rdy_f36o = 0; - - //fifo_cascade #(.WIDTH(36), .SIZE(4)) fifo_cascade36 - //fifo_long #(.WIDTH(36), .SIZE(4)) fifo_cascade36 - - wire i1_sr, i1_dr; - wire i2_sr, i2_dr; - wire i3_sr, i3_dr; - reg i4_dr = 0; - wire i4_sr; - - wire [35:0] i1, i4; - wire [18:0] i2, i3; - - wire [7:0] ll_data; - wire ll_src_rdy_n, ll_dst_rdy_n, ll_sof_n, ll_eof_n; - - fifo_short #(.WIDTH(36)) fifo_short1 - (.clk(clk),.reset(rst),.clear(clear), - .datain(f36_in),.src_rdy_i(src_rdy_f36i),.dst_rdy_o(dst_rdy_f36i), - .dataout(i1),.src_rdy_o(i1_sr),.dst_rdy_i(i1_dr) ); - - fifo36_to_fifo19 fifo36_to_fifo19 - (.clk(clk),.reset(rst),.clear(clear), - .f36_datain(i1),.f36_src_rdy_i(i1_sr),.f36_dst_rdy_o(i1_dr), - .f19_dataout(i2),.f19_src_rdy_o(i2_sr),.f19_dst_rdy_i(i2_dr) ); - - fifo19_to_ll8 fifo19_to_ll8 - (.clk(clk),.reset(rst),.clear(clear), - .f19_data(i2),.f19_src_rdy_i(i2_sr),.f19_dst_rdy_o(i2_dr), - .ll_data(ll_data),.ll_sof_n(ll_sof_n),.ll_eof_n(ll_eof_n), - .ll_src_rdy_n(ll_src_rdy_n),.ll_dst_rdy_n(ll_dst_rdy_n)); - - ll8_to_fifo19 ll8_to_fifo19 - (.clk(clk),.reset(rst),.clear(clear), - .ll_data(ll_data),.ll_sof_n(ll_sof_n),.ll_eof_n(ll_eof_n), - .ll_src_rdy_n(ll_src_rdy_n),.ll_dst_rdy_n(ll_dst_rdy_n), - .f19_data(i3),.f19_src_rdy_o(i3_sr),.f19_dst_rdy_i(i3_dr) ); - - fifo19_to_fifo36 fifo19_to_fifo36 - (.clk(clk),.reset(rst),.clear(clear), - .f19_datain(i3),.f19_src_rdy_i(i3_sr),.f19_dst_rdy_o(i3_dr), - .f36_dataout(i4),.f36_src_rdy_o(i4_sr),.f36_dst_rdy_i(i4_dr) ); - - task ReadFromFIFO36; - begin - $display("Read from FIFO36"); - #1 i4_dr <= 1; - while(1) - begin - while(~i4_sr) - @(posedge clk); - $display("Read: %h",i4); - @(posedge clk); - end - end - endtask // ReadFromFIFO36 - - reg [15:0] count; - task PutPacketInFIFO36; - input [31:0] data_start; - input [31:0] data_len; - begin - count <= 4; - src_rdy_f36i <= 1; - f36_data <= data_start; - f36_sof <= 1; - f36_eof <= 0; - f36_occ <= 0; - - $display("Put Packet in FIFO36"); - while(~dst_rdy_f36i) - @(posedge clk); - @(posedge clk); - $display("PPI_FIFO36: Entered First Line"); - f36_sof <= 0; - while(count+4 < data_len) - begin - f36_data <= f36_data + 32'h01010101; - count <= count + 4; - while(~dst_rdy_f36i) - @(posedge clk); - @(posedge clk); - $display("PPI_FIFO36: Entered New Line"); - end - f36_data <= f36_data + 32'h01010101; - f36_eof <= 1; - if(count + 4 == data_len) - f36_occ <= 0; - else if(count + 3 == data_len) - f36_occ <= 3; - else if(count + 2 == data_len) - f36_occ <= 2; - else - f36_occ <= 1; - while(~dst_rdy_f36i) - @(posedge clk); - @(posedge clk); - f36_occ <= 0; - f36_eof <= 0; - f36_data <= 0; - src_rdy_f36i <= 0; - $display("PPI_FIFO36: Entered Last Line"); - end - endtask // PutPacketInFIFO36 - - initial $dumpfile("fifo_new_tb.vcd"); - initial $dumpvars(0,fifo_new_tb); - - initial - begin - @(negedge rst); - //#10000; - @(posedge clk); - @(posedge clk); - @(posedge clk); - @(posedge clk); - ReadFromFIFO36; - end - - initial - begin - @(negedge rst); - @(posedge clk); - @(posedge clk); - PutPacketInFIFO36(32'hA0B0C0D0,12); - @(posedge clk); - @(posedge clk); - #10000; - @(posedge clk); - PutPacketInFIFO36(32'hE0F0A0B0,36); - @(posedge clk); - @(posedge clk); - @(posedge clk); - @(posedge clk); - @(posedge clk); - end - - initial #20000 $finish; -endmodule // longfifo_tb |