GNU Radio block for interfacing with various radio hardware
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gr-osmosdr/lib/soapy/soapy_common.cc

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/* -*- c++ -*- */
/*
* Copyright 2017 Josh Blum <josh@joshknows.com>
*
* GNU Radio 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.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "soapy_common.h"
#include <SoapySDR/Version.hpp>
osmosdr::gain_range_t soapy_range_to_gain_range(const SoapySDR::Range &r)
{
//default step size when unspecified
double step = 1.0;
//support the step size in 0.6 API and above
//but do not allow unspecified steps
//to avoid device by zero in some applications
#ifdef SOAPY_SDR_API_HAS_RANGE_TYPE_STEP
if (r.step() != 0.0) step = r.step();
#endif
return osmosdr::gain_range_t(r.minimum(), r.maximum(), step);
}
std::mutex &get_soapy_maker_mutex(void)
{
static std::mutex m;
return m;
}