3 // USRP - Universal Software Radio Peripheral
5 // Copyright (C) 2007 Corgan Enterprises LLC
7 // This program is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 2 of the License, or
10 // (at your option) any later version.
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA
22 module radar_tx(clk_i,rst_i,ena_i,strobe_i,
23 ampl_i,fstart_i,fincr_i,
34 input [31:0] fstart_i;
40 wire [15:0] cordic_i, cordic_q;
45 always @(posedge clk_i)
50 freq <= freq + fincr_i;
52 cordic_nco nco(.clk_i(clk_i),.rst_i(rst_i),.ena_i(ena_i),.strobe_i(strobe_i),
53 .ampl_i(ampl_i),.freq_i(freq),.phs_i(0),
54 .data_i_o(cordic_i),.data_q_o(cordic_q));
56 assign tx_i_o = cordic_i[13:0];
57 assign tx_q_o = cordic_q[13:0];