From 4f523681b7e786694969bcb7bfddb68b976c8ab7 Mon Sep 17 00:00:00 2001 From: jcorgan Date: Thu, 3 Aug 2006 04:51:51 +0000 Subject: Houston, we have a trunk. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5 --- sdr_lib/hb/hbd_tb/test_hbd.v | 75 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 sdr_lib/hb/hbd_tb/test_hbd.v (limited to 'sdr_lib/hb/hbd_tb/test_hbd.v') diff --git a/sdr_lib/hb/hbd_tb/test_hbd.v b/sdr_lib/hb/hbd_tb/test_hbd.v new file mode 100644 index 000000000..01ab5e7e0 --- /dev/null +++ b/sdr_lib/hb/hbd_tb/test_hbd.v @@ -0,0 +1,75 @@ + + +module test_hbd(); + + reg clock; + initial clock = 1'b0; + always #5 clock <= ~clock; + + reg reset; + initial reset = 1'b1; + initial #1000 reset = 1'b0; + + initial $dumpfile("test_hbd.vcd"); + initial $dumpvars(0,test_hbd); + + reg [15:0] i_in, q_in; + wire [15:0] i_out, q_out; + + reg strobe_in; + wire strobe_out; + reg coeff_write; + reg [15:0] coeff_data; + reg [4:0] coeff_addr; + + halfband_decim halfband_decim + ( .clock(clock),.reset(reset),.enable(),.strobe_in(strobe_in),.strobe_out(strobe_out), + .data_in(i_in),.data_out(i_out) ); + + always @(posedge strobe_out) + if(i_out[15]) + $display("-%d",65536-i_out); + else + $display("%d",i_out); + + initial + begin + strobe_in = 1'b0; + @(negedge reset); + @(posedge clock); + while(1) + begin + strobe_in <= #1 1'b1; + @(posedge clock); + strobe_in <= #1 1'b0; + repeat (`RATE) + @(posedge clock); + end + end + + initial #10000000 $finish; // Just in case... + + initial + begin + i_in <= #1 16'd0; + repeat (40) @(posedge strobe_in); + i_in <= #1 16'd16384; + @(posedge strobe_in); + i_in <= #1 16'd0; + repeat (40) @(posedge strobe_in); + i_in <= #1 16'd16384; + @(posedge strobe_in); + i_in <= #1 16'd0; + repeat (40) @(posedge strobe_in); + i_in <= #1 16'd16384; + repeat (40) @(posedge strobe_in); + i_in <= #1 16'd0; + repeat (41) @(posedge strobe_in); + i_in <= #1 16'd16384; + repeat (40) @(posedge strobe_in); + i_in <= #1 16'd0; + repeat (40) @(posedge strobe_in); + repeat (7) @(posedge clock); + $finish; + end // initial begin +endmodule // test_hb -- cgit v1.2.3