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

199 lines
5.1 KiB

#include "freesrp_common.h"
#include <cstdlib>
#include <boost/make_shared.hpp>
#include <boost/assign.hpp>
#include <arg_helpers.h>
using namespace FreeSRP;
using namespace std;
using namespace boost::assign;
boost::shared_ptr<::FreeSRP::FreeSRP> freesrp_common::_srp;
freesrp_common::freesrp_common(const string &args)
{
dict_t dict = params_to_dict(args);
if(!_srp)
{
try
{
string serial = "";
if(dict.count("freesrp"))
{
serial = dict["freesrp"];
}
if(dict.count("fx3"))
{
if(Util::find_fx3())
{
// Upload firmware to FX3
string firmware_path = string(getenv("HOME")) + "/.freesrp/fx3.img";
if(dict["fx3"].length() > 0)
{
firmware_path = dict["fx3"];
}
Util::find_fx3(true, firmware_path);
cout << "FX3 programmed with '" << firmware_path << "'" << endl;
// Give FX3 time to re-enumerate
this_thread::sleep_for(chrono::milliseconds(600));
}
else
{
cout << "No FX3 in bootloader mode found" << endl;
}
}
_srp.reset(new ::FreeSRP::FreeSRP(serial));
if(dict.count("fpga") || !_srp->fpga_loaded())
{
string bitstream_path = string(getenv("HOME")) + "/.freesrp/fpga.bin";
if(dict["fpga"].length() > 0)
{
bitstream_path = dict["fpga"];
}
fpga_status stat = _srp->load_fpga(bitstream_path);
switch(stat)
{
case FPGA_CONFIG_ERROR:
throw runtime_error("Could not load FPGA configuration!");
case FPGA_CONFIG_SKIPPED:
cout << "FPGA already configured. Restart the FreeSRP to load a new bitstream." << endl;
break;
case FPGA_CONFIG_DONE:
cout << "FPGA configured with '" << bitstream_path << "'" << endl;
break;
}
}
cout << "Connected to FreeSRP" << endl;
if(dict.count("loopback"))
{
response res = _srp->send_cmd({SET_LOOPBACK_EN, 1});
if(res.error == CMD_OK)
{
cout << "AD9364 in loopback mode" << endl;
}
else
{
throw runtime_error("Could not put AD9364 into loopback mode!");
}
}
else
{
response res = _srp->send_cmd({SET_LOOPBACK_EN, 0});
if(res.error != CMD_OK)
{
throw runtime_error("Error disabling AD9364 loopback mode!");
}
}
if(dict.count("ignore_overflow"))
{
_ignore_overflow = true;
}
else
{
_ignore_overflow = false;
}
}
catch(const runtime_error& e)
{
cerr << "FreeSRP Error: " << e.what() << endl;
throw runtime_error(e.what());
}
}
}
vector<string> freesrp_common::get_devices()
{
vector<string> devices;
try
{
::FreeSRP::FreeSRP srp;
string str;
str = "freesrp=0,label='FreeSRP'";
devices.push_back(str);
}
catch(const ConnectionError &err)
{
// No FreeSRP found.
}
return devices;
}
size_t freesrp_common::get_num_channels( void )
{
return 1;
}
osmosdr::meta_range_t freesrp_common::get_sample_rates( void )
{
osmosdr::meta_range_t range;
// Any sample rate between 1e6 and 61.44e6 can be requested.
// This list of some integer values is used instead of
// range += osmosdr::range_t(1e6, 61.44e6);
// because SoapyOsmo seems to handle the range object differently.
range += osmosdr::range_t(1e6);
range += osmosdr::range_t(8e6);
range += osmosdr::range_t(16e6);
range += osmosdr::range_t(20e6);
range += osmosdr::range_t(40e6);
range += osmosdr::range_t(50e6);
range += osmosdr::range_t(61.44e6);
return range;
}
osmosdr::freq_range_t freesrp_common::get_freq_range(size_t chan)
{
osmosdr::meta_range_t freq_ranges;
freq_ranges.push_back(osmosdr::range_t(7e7, 6e9, 2.4));
return freq_ranges;
}
osmosdr::freq_range_t freesrp_common::get_bandwidth_range(size_t chan)
{
osmosdr::meta_range_t range;
//range += osmosdr::range_t(2e5, 56e6);
range += osmosdr::range_t(2e5);
range += osmosdr::range_t(1e6);
range += osmosdr::range_t(8e6);
range += osmosdr::range_t(16e6);
range += osmosdr::range_t(20e6);
range += osmosdr::range_t(40e6);
range += osmosdr::range_t(50e6);
range += osmosdr::range_t(56e6);
return range;
}
double freesrp_common::set_freq_corr( double ppm, size_t chan )
{
// TODO: Set DCXO tuning
return 0;
}
double freesrp_common::get_freq_corr( size_t chan )
{
// TODO: Get DCXO tuning
return 0;
}