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/* -*- c++ -*- */
/*
* Copyright 2013 Sylvain Munaut <tnt@246tNt.com>
*
* This 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 3, or (at your option)
* any later version.
*
* This software 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gr_io_signature.h>
#include "iqbalance_fix_cc.h"
iqbalance_fix_cc_sptr
iqbalance_make_fix_cc (float mag, float phase)
{
return gnuradio::get_initial_sptr (new iqbalance_fix_cc(mag, phase));
}
iqbalance_fix_cc::iqbalance_fix_cc (float mag, float phase)
: gr_sync_block ("fix_cc",
gr_make_io_signature(1, 1, sizeof (gr_complex)),
gr_make_io_signature(1, 1, sizeof (gr_complex))),
d_mag(mag),
d_phase(phase)
{
message_port_register_in(pmt::mp("iqbal_corr"));
set_msg_handler(pmt::mp("iqbal_corr"),
boost::bind(&iqbalance_fix_cc::apply_new_corrections, this, _1));
}
iqbalance_fix_cc::~iqbalance_fix_cc()
{
/* Nothing to do */
}
void
iqbalance_fix_cc::apply_new_corrections (pmt::pmt_t msg)
{
if (!pmt_is_f32vector(msg))
return;
this->set_mag(pmt_f32vector_ref(msg, 0));
this->set_phase(pmt_f32vector_ref(msg, 1));
}
int
iqbalance_fix_cc::work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const gr_complex *in = (const gr_complex *) input_items[0];
gr_complex *out = (gr_complex *) output_items[0];
int i;
const float magp1 = 1.0f + this->d_mag;
const float phase = this->d_phase;
for (i=0; i<noutput_items; i++) {
gr_complex v = in[i];
out[i] = gr_complex(
v.real() * magp1,
v.imag() + phase * v.real()
);
}
return noutput_items;
}
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