pluto_hdl_adi/library/prcfg/qpsk/qpsk_mod.v

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// ***************************************************************************
// ***************************************************************************
// Copyright 2013(c) Analog Devices, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in
// the documentation and/or other materials provided with the
// distribution.
// - Neither the name of Analog Devices, Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
// - The use of this software may or may not infringe the patent rights
// of one or more patent holders. This license does not release you
// from the requirement that you obtain separate licenses from these
// patent holders to use this software.
// - Use of the software either in source or binary form, must be run
// on or directly connected to an Analog Devices Inc. component.
//
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED.
//
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
`timescale 1ns/1ns
module qpsk_mod (
clk,
data_input,
data_valid,
data_qpsk_i,
data_qpsk_q
);
input clk;
input [ 1:0] data_input;
input data_valid;
output [15:0] data_qpsk_i;
output [15:0] data_qpsk_q;
wire [15:0] modulated_data_i;
wire [15:0] modulated_data_q;
wire [15:0] filtered_data_i;
wire [15:0] filtered_data_q;
// output logic
assign data_qpsk_i = filtered_data_i;
assign data_qpsk_q = filtered_data_q;
// instantiations
QPSK_Modulator i_qpsk_mod (
.in0(data_input),
.out0_re(modulated_data_i),
.out0_im(modulated_data_q)
);
Raised_Cosine_Tx_Filter i_tx_filter (
.clk(clk),
.reset(),
.enb_1_1_1(data_valid),
.In1_re(modulated_data_i),
.In1_im(modulated_data_q),
.Out1_re(filtered_data_i),
.Out1_im(filtered_data_q)
);
endmodule