3 // USRP - Universal Software Radio Peripheral
5 // Copyright (C) 2008 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
26 input wire [15:0] i_in,
27 input wire [15:0] q_in,
28 output wire [15:0] i_out_ana,
29 output wire [15:0] q_out_ana,
30 output wire i_out_dig,
34 //assign upper 15 bits to analog processing, discard lowest bit
35 //output lower two bits of I and Q as digital signal (to be output on gpio pins)
36 assign i_out_ana = (enable)?{i_in[15:1],1'b0}:i_in;
37 assign q_out_ana = (enable)?{q_in[15:1],1'b0}:q_in;
38 //wire out_dig = (enable)?{i_in[0],q_in[0]}:2'b00;
39 assign i_out_dig = (enable)?i_in[0]:1'b0;
40 assign q_out_dig = (enable)?q_in[0]:1'b0;
42 endmodule // tx_chain_dig