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

287 lines
6.8 KiB

/* -*- c++ -*- */
/*
* Copyright 2015 Pavel Demin
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* 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 <fstream>
#include <string>
#include <sstream>
#include <stdexcept>
#include <boost/assign.hpp>
#include <boost/format.hpp>
#include <boost/algorithm/string.hpp>
#include <gnuradio/io_signature.h>
#include "arg_helpers.h"
#include "redpitaya_source_c.h"
using namespace boost::assign;
redpitaya_source_c_sptr make_redpitaya_source_c(const std::string &args)
{
return gnuradio::get_initial_sptr(new redpitaya_source_c(args));
}
redpitaya_source_c::redpitaya_source_c(const std::string &args) :
gr::sync_block("redpitaya_source_c",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(1, 1, sizeof(gr_complex)))
{
std::string host = "192.168.1.100";
std::stringstream message;
unsigned short port = 1001;
struct sockaddr_in addr;
uint32_t command;
#if defined(_WIN32)
WSADATA wsaData;
WSAStartup( MAKEWORD(2, 2), &wsaData );
#endif
_freq = 6.0e5;
_rate = 1.0e5;
_corr = 0.0;
dict_t dict = params_to_dict( args );
if ( dict.count( "redpitaya" ) )
{
std::vector< std::string > tokens;
boost::algorithm::split( tokens, dict["redpitaya"], boost::is_any_of( ":" ) );
if ( tokens[0].length() && ( tokens.size() == 1 || tokens.size() == 2 ) )
host = tokens[0];
if ( tokens.size() == 2 )
port = boost::lexical_cast< unsigned short >( tokens[1] );
}
if ( !host.length() )
host = "192.168.1.100";
if ( 0 == port )
port = 1001;
for ( size_t i = 0; i < 2; ++i )
{
if ( ( _sockets[i] = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
throw std::runtime_error( "Could not create TCP socket." );
memset( &addr, 0, sizeof(addr) );
addr.sin_family = AF_INET;
inet_pton( AF_INET, host.c_str(), &addr.sin_addr );
addr.sin_port = htons( port );
if ( ::connect( _sockets[i], (struct sockaddr *)&addr, sizeof(addr) ) < 0 )
{
message << "Could not connect to " << host << ":" << port << ".";
throw std::runtime_error( message.str() );
}
command = i;
redpitaya_send_command( _sockets[i], command );
}
}
redpitaya_source_c::~redpitaya_source_c()
{
#if defined(_WIN32)
::closesocket( _sockets[1] );
::closesocket( _sockets[0] );
WSACleanup();
#else
::close( _sockets[1] );
::close( _sockets[0] );
#endif
}
int redpitaya_source_c::work( int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items )
{
gr_complex *out = (gr_complex *)output_items[0];
#if defined(_WIN32)
int size;
int total = sizeof(gr_complex) * noutput_items;
size = ::recv( _sockets[1], (char *)out, total, MSG_WAITALL );
#else
ssize_t size;
ssize_t total = sizeof(gr_complex) * noutput_items;
size = ::recv( _sockets[1], out, total, MSG_WAITALL );
#endif
if ( size != total )
throw std::runtime_error( "Receiving samples failed." );
return noutput_items;
}
std::string redpitaya_source_c::name()
{
return "Red Pitaya Source";
}
std::vector<std::string> redpitaya_source_c::get_devices( bool fake )
{
std::vector<std::string> devices;
if ( fake )
{
std::string args = "redpitaya=192.168.1.100:1001";
args += ",label='Red Pitaya Transceiver Server'";
devices.push_back( args );
}
return devices;
}
size_t redpitaya_source_c::get_num_channels( void )
{
return 1;
}
osmosdr::meta_range_t redpitaya_source_c::get_sample_rates( void )
{
osmosdr::meta_range_t range;
range += osmosdr::range_t( 20000 );
range += osmosdr::range_t( 50000 );
range += osmosdr::range_t( 100000 );
range += osmosdr::range_t( 250000 );
range += osmosdr::range_t( 500000 );
range += osmosdr::range_t( 1250000 );
return range;
}
double redpitaya_source_c::set_sample_rate( double rate )
{
uint32_t command = 0;
if ( 20000 == rate ) command = 0;
else if ( 50000 == rate ) command = 1;
else if ( 100000 == rate ) command = 2;
else if ( 250000 == rate ) command = 3;
else if ( 500000 == rate ) command = 4;
else if ( 1250000 == rate ) command = 5;
else return get_sample_rate();
command |= 1<<28;
redpitaya_send_command( _sockets[0], command );
_rate = rate;
return get_sample_rate();
}
double redpitaya_source_c::get_sample_rate( void )
{
return _rate;
}
osmosdr::freq_range_t redpitaya_source_c::get_freq_range( size_t chan )
{
return osmosdr::freq_range_t( _rate / 2.0, 6.0e7 );
}
double redpitaya_source_c::set_center_freq( double freq, size_t chan )
{
uint32_t command = 0;
if ( freq < _rate / 2.0 || freq > 6.0e7 ) return get_center_freq( chan );
command = (uint32_t)floor( freq * (1.0 + _corr * 1.0e-6 ) + 0.5 );
redpitaya_send_command( _sockets[0], command );
_freq = freq;
return get_center_freq( chan );
}
double redpitaya_source_c::get_center_freq( size_t chan )
{
return _freq;
}
double redpitaya_source_c::set_freq_corr( double ppm, size_t chan )
{
_corr = ppm;
return get_freq_corr( chan );
}
double redpitaya_source_c::get_freq_corr( size_t chan )
{
return _corr;
}
std::vector<std::string> redpitaya_source_c::get_gain_names( size_t chan )
{
return std::vector< std::string >();
}
osmosdr::gain_range_t redpitaya_source_c::get_gain_range( size_t chan )
{
return osmosdr::gain_range_t();
}
osmosdr::gain_range_t redpitaya_source_c::get_gain_range( const std::string & name, size_t chan )
{
return get_gain_range( chan );
}
double redpitaya_source_c::set_gain( double gain, size_t chan )
{
return get_gain( chan );
}
double redpitaya_source_c::set_gain( double gain, const std::string & name, size_t chan )
{
return set_gain( chan );
}
double redpitaya_source_c::get_gain( size_t chan )
{
return 0;
}
double redpitaya_source_c::get_gain( const std::string & name, size_t chan )
{
return get_gain( chan );
}
std::vector< std::string > redpitaya_source_c::get_antennas( size_t chan )
{
return std::vector< std::string >();
}
std::string redpitaya_source_c::set_antenna( const std::string & antenna, size_t chan )
{
return get_antenna( chan );
}
std::string redpitaya_source_c::get_antenna( size_t chan )
{
return "RX";
}