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

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/* -*- c++ -*- */
/*
* Copyright 2017 Sergey Kostanbaev <sergey.kostanbaev@fairwaves.co>
*
* 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 "xtrx_obj.h"
#include <iostream>
#include <sstream>
#include <boost/thread.hpp>
#include <boost/thread/thread.hpp>
#include <boost/thread/mutex.hpp>
static std::map<std::string, xtrx_obj_sptr> s_objects;
xtrx_obj_sptr xtrx_obj::get(const char* xtrx_dev,
unsigned loglevel,
bool lmsreset)
{
std::map<std::string, xtrx_obj_sptr>::iterator i;
std::string name(xtrx_dev);
i = s_objects.find(name);
if (i == s_objects.end()) {
// No such object
s_objects[name].reset(new xtrx_obj(name, loglevel, lmsreset));
}
return s_objects[name];
}
void xtrx_obj::clear_all()
{
s_objects.clear();
}
std::vector<std::string> xtrx_obj::get_devices()
{
std::vector<std::string> devices;
// TODO
devices.push_back("/dev/xtrx0");
return devices;
}
xtrx_obj::xtrx_obj(const std::string &path, unsigned loglevel, bool lmsreset)
: _run(false)
, _vio(0)
, _sink_rate(0)
, _sink_master(0)
, _source_rate(0)
, _source_master(0)
, _flags(0)
{
unsigned xtrxflag = (loglevel & XTRX_O_LOGLVL_MASK) | ((lmsreset) ? XTRX_O_RESET : 0);
std::cerr << "xtrx_obj::xtrx_obj = " << xtrxflag << std::endl;
int res = xtrx_open_list(path.c_str(), NULL, &_obj);
if (res < 0) {
std::stringstream message;
message << "Couldn't open " ": Error: " << -res;
throw std::runtime_error( message.str() );
}
_devices = res;
}
double xtrx_obj::set_smaplerate(double rate, double master, bool sink, unsigned flags)
{
boost::mutex::scoped_lock lock(mtx);
if (sink) {
_sink_rate = rate;
_sink_master = master;
} else {
_source_rate = rate;
_source_master = master;
}
_flags |= flags | XTRX_SAMPLERATE_FORCE_UPDATE;
if (_sink_master != 0 && _source_master != 0 && _sink_master != _source_master) {
std::stringstream message;
message << "Can't operate on diferrent master settings for XTRX sink and source"
" sink_master " << _sink_master << " source_master" << _source_master;
throw std::runtime_error( message.str() );
}
double rxrate = 0, txrate = 0;
double actmaster = (_source_master > 0) ? _source_master : _sink_master;
int res = xtrx_set_samplerate(_obj,
actmaster,
_source_rate,
_sink_rate,
_flags,
NULL,
&rxrate,
&txrate);
if (res) {
std::cerr << "Unable to set samplerate, error=" << res << std::endl;
if (sink)
return _sink_rate;
return _source_rate;
}
if (_vio) {
xtrx_val_set(_obj, XTRX_TRX, XTRX_CH_AB, XTRX_LMS7_VIO, _vio);
}
if (sink)
return txrate;
return rxrate;
}
xtrx_obj::~xtrx_obj()
{
if (_obj) {
if (_run) {
//boost::mutex::scoped_lock lock(mtx);
xtrx_stop(_obj, XTRX_TRX);
}
xtrx_close(_obj);
}
}