diff options
Diffstat (limited to 'usrp/fpga/sdr_lib/tx_chain.v')
-rw-r--r-- | usrp/fpga/sdr_lib/tx_chain.v | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/usrp/fpga/sdr_lib/tx_chain.v b/usrp/fpga/sdr_lib/tx_chain.v deleted file mode 100644 index 60f868475..000000000 --- a/usrp/fpga/sdr_lib/tx_chain.v +++ /dev/null @@ -1,65 +0,0 @@ -// -*- verilog -*- -// -// USRP - Universal Software Radio Peripheral -// -// Copyright (C) 2003 Matt Ettus -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; either version 2 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA -// - -module tx_chain - (input clock, - input reset, - input enable, - input wire [7:0] interp_rate, - input sample_strobe, - input interpolator_strobe, - input wire [31:0] freq, - input wire [15:0] i_in, - input wire [15:0] q_in, - output wire [15:0] i_out, - output wire [15:0] q_out - ); - - wire [15:0] bb_i, bb_q; - - cic_interp cic_interp_i - ( .clock(clock),.reset(reset),.enable(enable), - .rate(interp_rate),.strobe_in(interpolator_strobe),.strobe_out(sample_strobe), - .signal_in(i_in),.signal_out(bb_i) ); - - cic_interp cic_interp_q - ( .clock(clock),.reset(reset),.enable(enable), - .rate(interp_rate),.strobe_in(interpolator_strobe),.strobe_out(sample_strobe), - .signal_in(q_in),.signal_out(bb_q) ); - -`define NOCORDIC_TX -`ifdef NOCORDIC_TX - assign i_out = bb_i; - assign q_out = bb_q; -`else - wire [31:0] phase; - - phase_acc phase_acc_tx - (.clk(clock),.reset(reset),.enable(enable), - .strobe(sample_strobe),.freq(freq),.phase(phase) ); - - cordic tx_cordic_0 - ( .clock(clock),.reset(reset),.enable(sample_strobe), - .xi(bb_i),.yi(bb_q),.zi(phase[31:16]), - .xo(i_out),.yo(q_out),.zo() ); -`endif - -endmodule // tx_chain |