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| author | Josh Blum <josh@joshknows.com> | 2010-04-16 09:42:46 +0000 |
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| committer | Josh Blum <josh@joshknows.com> | 2010-04-16 09:42:46 +0000 |
| commit | 835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25 (patch) | |
| tree | 4fe48bdaf92311deedfbe1a5e77dd209468a2d7d /fpga/usrp1/sdr_lib/hb/hbd_tb/test_hbd.v | |
| parent | f1838b9284a124fcfb5996eaf1647a69b4473278 (diff) | |
| parent | 067491b58676cbdaa754334949a8ffc2daf32979 (diff) | |
| download | uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.tar.gz uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.tar.bz2 uhd-835cb56ef820a69e1e6e0ccde7c5a0e78ca5ad25.zip | |
Merge branch 'master' of git@ettus.sourcerepo.com:ettus/uhdpriv into usrp_e
Conflicts:
.gitignore
Diffstat (limited to 'fpga/usrp1/sdr_lib/hb/hbd_tb/test_hbd.v')
| -rw-r--r-- | fpga/usrp1/sdr_lib/hb/hbd_tb/test_hbd.v | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/fpga/usrp1/sdr_lib/hb/hbd_tb/test_hbd.v b/fpga/usrp1/sdr_lib/hb/hbd_tb/test_hbd.v new file mode 100644 index 000000000..01ab5e7e0 --- /dev/null +++ b/fpga/usrp1/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 |