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| author | Josh Blum <josh@joshknows.com> | 2011-07-08 12:17:54 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-07-08 12:17:54 -0700 |
| commit | 17fabccfe4be79f3a5a0a3d7ab14ea72a791ecd9 (patch) | |
| tree | e2d0d39d6b44b72c759b8be1380b2024de50bdf6 /fpga/usrp2/sdr_lib/rx_dcoffset_tb.v | |
| parent | 60933a242cce0b1ec45e9f948e3da9ab72b2fd90 (diff) | |
| parent | 4ea6f7431e09d9f27ecaa1c1b187d2c2f613e8f4 (diff) | |
| download | uhd-17fabccfe4be79f3a5a0a3d7ab14ea72a791ecd9.tar.gz uhd-17fabccfe4be79f3a5a0a3d7ab14ea72a791ecd9.tar.bz2 uhd-17fabccfe4be79f3a5a0a3d7ab14ea72a791ecd9.zip | |
Merge branch 'fpga_next' into next
Diffstat (limited to 'fpga/usrp2/sdr_lib/rx_dcoffset_tb.v')
| -rw-r--r-- | fpga/usrp2/sdr_lib/rx_dcoffset_tb.v | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/fpga/usrp2/sdr_lib/rx_dcoffset_tb.v b/fpga/usrp2/sdr_lib/rx_dcoffset_tb.v index b0dd8cb05..b4fb66ad7 100644 --- a/fpga/usrp2/sdr_lib/rx_dcoffset_tb.v +++ b/fpga/usrp2/sdr_lib/rx_dcoffset_tb.v @@ -29,14 +29,26 @@ module rx_dcoffset_tb(); initial $dumpfile("rx_dcoffset_tb.vcd"); initial $dumpvars(0,rx_dcoffset_tb); - reg [13:0] adc_in = 7; + reg [13:0] adc_in; wire [13:0] adc_out; always @(posedge clk) - $display("%d\t%d",adc_in,adc_out); + begin + if(adc_in[13]) + $write("-%d,",-adc_in); + else + $write("%d,",adc_in); + if(adc_out[13]) + $write("-%d\n",-adc_out); + else + $write("%d\n",adc_out); + end - rx_dcoffset #(.WIDTH(14),.ADDR(0)) + rx_dcoffset #(.WIDTH(14),.ADDR(0), .alpha_shift(8)) rx_dcoffset(.clk(clk),.rst(rst),.set_stb(0),.set_addr(0),.set_data(0), - .adc_in(adc_in),.adc_out(adc_out)); + .in(adc_in),.out(adc_out)); + + always @(posedge clk) + adc_in <= (($random % 473) + 23)/4; endmodule // longfifo_tb |