void get_rx_parameters(uhd::usrp::multi_usrp::sptr usrp, size_t mboard , std::ostream & os)
{
using namespace std;
namespace radio = uhd::usrp;
size_t nchan = 0;
// Get sub device specification
os << std::endl << "********** RX Sub Device ***********" << std::endl;
os << std::endl << "-----> Get Rx Subdevice" << std::endl;
radio::subdev_spec_t rx_subdev = usrp->get_rx_subdev_spec(mboard);
os << "RX Subdevice Specification:" << endl;
os << rx_subdev.to_pp_string() << endl;
os << std::endl << "-----> Get number of RX channels" << std::endl;
size_t num_rx = usrp->get_rx_num_channels();
os << "Number of RX channels:" << endl;
os << num_rx << endl;
os << std::endl << "-----> Get RX Subdevice Name" << std::endl;
string rx_name = usrp->get_rx_subdev_name(nchan);
os << "RX Subdevice Name:" << endl;
os << rx_name << endl;
os << std::endl << "********** RX Sample Rate ***********" << std::endl;
os << std::endl << "-----> Get RX Rate" << std::endl;
double rx_rate = usrp->get_rx_rate(nchan);
os << "RX Rate:" << endl;
os << rx_rate << endl;
os << std::endl << "-----> Get RX Rate List" << std::endl;
uhd::meta_range_t rx_rates = usrp->get_rx_rates(nchan);
os << "RX Rate List:" << endl;
os << "Start: " << rx_rates.start() << " Stop: " << rx_rates.stop() << " Step: " << rx_rates.step() << endl;
os << rx_rates.to_pp_string() << endl;
// RX FREQUENCIES
os << std::endl << "********** RX Frequencies ***********" << std::endl;
os << std::endl << "-----> Get RX Center Frequency" << std::endl;
double rx_freq = usrp->get_rx_freq(nchan);
os << "RX Freq:" << endl;
os << rx_freq << endl;
os << std::endl << "-----> Get RX Center Frequency Range" << std::endl;
uhd::freq_range_t rx_freq_range = usrp->get_rx_freq_range(nchan);
os << "RX Frequency Range:" << endl;
os << "Start: " << rx_freq_range.start() << " Stop: " << rx_freq_range.stop() << " Step: " << rx_freq_range.step() << endl;
os << rx_freq_range.to_pp_string() << endl;
// RX Front end frequencies
os << std::endl << "-----> Get RX RF Front End Center Frequency Range" << std::endl;
try
{
os << "RX Front End Frequency Range:" << endl;
uhd::freq_range_t rx_fe_freq_range = usrp->get_fe_rx_freq_range(nchan);
os << "Start: " << rx_fe_freq_range.start() << " Stop: " << rx_fe_freq_range.stop() << " Step: " << rx_fe_freq_range.step() << endl;
os << rx_fe_freq_range.to_pp_string() << endl;
}
catch (uhd::runtime_error &e)
{
os << " Exception occurred : " << e.code() << endl;
}
// RX GAIN
os << std::endl << "********** RX Gain ***********" << std::endl;
// Total combined gain
os << endl << "-----> Get RX Total Gain" << endl;
os << "RX Total Gain: " ;
try
{
double rx_total_gain = usrp->get_rx_gain(nchan);
os << rx_total_gain << endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception code: " << e.code() << endl;
}
// List of all gain elements
os << std::endl << "-----> Get RX gain names" << std::endl;
std::vector<std::string> rx_gain_names = usrp->get_rx_gain_names(nchan);
os << "Rx Gain Names: " << std::endl;
for (int index =0; index < rx_gain_names.size(); index++)
{
// Name
os << "\t" << rx_gain_names[index] << endl;
}
for (int index =0; index < rx_gain_names.size(); index++)
{
// Name
os << "\t" << "Name: " << rx_gain_names[index] << " Value: ";
// Value
try
{
double element_gain = usrp->get_rx_gain(rx_gain_names[index], nchan);
os << element_gain << endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception code while getting value: " << e.code() << endl;
}
}
// Gain ranges for each of the gain elements
os << std::endl << "-----> Get RX element gain ranges" << std::endl;
for (int index =0; index < rx_gain_names.size(); index++)
{
// Name
os << "\t" << "Name: " << rx_gain_names[index] << " Value: ";
// Value
try
{
uhd::gain_range_t element_gain_range = usrp->get_rx_gain_range(rx_gain_names[index], nchan);
os << "Start: " << element_gain_range.start() << " End: " << element_gain_range.stop() << " Step: " << element_gain_range.step() << endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception code while getting value: " << e.code() << endl;
}
}
// Total Gain range
try
{
os << endl << "-----> Get RX Total Gain Range" << endl;
uhd::gain_range_t rx_total_gain_range = usrp->get_rx_gain_range(nchan);
os << "RX Total Gain Range: " ;
os << "Start: " << rx_total_gain_range.start() << " End: " << rx_total_gain_range.stop() << " Step: " << rx_total_gain_range.step() << endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception code: " << e.code() <<endl;
}
// ANTENNA FUNCTIONS
os << std::endl << "********** RX ANTENNA ***********" << std::endl;
// Current Rx Antenna
os << std::endl << "-----> Get RX Antenna" << std::endl;
string rx_antenna = usrp->get_rx_antenna(nchan);
os << "RX Antenna: " ;
os << rx_antenna << endl;
// RX Antenna choices
os << std::endl << "-----> Get Rx Antenna List" << std::endl;
std::vector<std::string> rx_antennas = usrp->get_rx_antennas(nchan);
os << "RX Antennas : " << std::endl;
for (int index =0; index < rx_antennas.size(); index++)
os << "\t" << rx_antennas[index] << std::endl;
// RX BANDWIDTH FUNCTIONS
os << std::endl << "********** RX BANDWIDTH ***********" << std::endl;
// Current RX Bandwidth
os << endl << "-----> Get RX Bandwidth" << endl;
try
{
os << "RX Bandwidth " ;
double rx_bandwidth = usrp->get_rx_bandwidth(nchan);
os << rx_bandwidth << endl;
}
catch (uhd::runtime_error &e)
{
os << "Exception occured " << e.code() << endl;
}
// RX Bandwidth Range
os << endl << "-----> Get RX Bandwidth Range" << endl;
try
{
os << "RX Bandwidth Range: " ;
uhd::gain_range_t rx_bandwidth_range = usrp->get_rx_bandwidth_range(nchan);
os << "Start: " << rx_bandwidth_range .start() << " End: " << rx_bandwidth_range .stop() << " Step: " << rx_bandwidth_range .step() << endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception code: " << e.code() <<endl;
}
// RX DBOARD INTERFACE OBJECT
os << std::endl << "********** RX DBOARD INTERFACE ***********" << std::endl;
// RX Dboard Interface
os << endl << "-----> Get rx_dboard_iface()" << endl;
try
{
os << "RX Dboard Interface " ;
uhd::usrp::dboard_iface::sptr rx_dboard_iface = usrp->get_rx_dboard_iface(nchan);
os << rx_dboard_iface << endl;
}
catch (uhd::runtime_error &e)
{
os << "Exception occured " << e.code() << endl;
}
// RX _SENSORS
os << std::endl << "********** RX Sensors ***********" << std::endl;
// List of all available sensors
os << std::endl << "-----> Get RX Sensors Name" << std::endl;
std::vector<std::string> rx_sensor_names = usrp->get_rx_sensor_names(nchan);
os << "Sensor Names: " << std::endl;
for (int index =0; index < rx_sensor_names.size(); index++)
{
// Name
os << "\t" << rx_sensor_names[index] << ": ";
// Value
try
{
uhd::sensor_value_t rx_sensor_value = usrp->get_rx_sensor(rx_sensor_names[index], nchan);
os << rx_sensor_value.to_pp_string()<< std::endl;
}
catch(uhd::runtime_error &e)
{
os << "Exception occured " << e.code() << endl;
}
}
}
void transceive(
uhd::usrp::multi_usrp::sptr usrp,
uhd::tx_streamer::sptr tx_stream,
uhd::rx_streamer::sptr rx_stream,
unsigned int npulses,
float pulse_time,
//std::complex<int16_t>* txbuff,
std::vector<std::complex<int16_t> >* txbuff0,
std::vector<std::complex<int16_t> >* txbuff1,
float tx_ontime,
std::complex<int16_t>** outdata,
size_t samps_per_pulse
){
int debug = 0;
if (debug){
std::cout << "samps_per_pulse: " << samps_per_pulse << std::endl;
}
//create metadeta tags for transmit streams
uhd::time_spec_t start_time = usrp->get_time_now() + 0.05;
uhd::tx_metadata_t md;
md.start_of_burst = true;
md.end_of_burst = false;
md.has_time_spec = true;
md.time_spec = start_time;
std::vector<std::complex<int16_t> *> vec_ptr;
vec_ptr.resize(1);
//vec_ptr[0] = &txbuff->front();
usrp->set_gpio_attr("RXA","CTRL",0x0, TR_BIT); //GPIO mode
usrp->set_gpio_attr("RXA","DDR",TR_BIT, TR_BIT); //Direction out
//create metadata tags for receive stream
uhd::rx_metadata_t rxmd;
std::vector<std::complex<int16_t> > buff(samps_per_pulse,0);
if (verbose) std::cout << "rx buff size: " << buff.size() << std::endl;
if (verbose) std::cout << "tx buff size: " << txbuff0->size() << std::endl;
uhd::stream_cmd_t stream_cmd = uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE;
stream_cmd.num_samps = npulses*samps_per_pulse;
stream_cmd.stream_now = false;
stream_cmd.time_spec = start_time + 22 / usrp->get_rx_rate(); //Digital hardware delay is 22 samples long. Found by experiment.
if (verbose) std::cout << "time spec: " << stream_cmd.time_spec.get_real_secs() << std::endl;
//loop for every pulse in the sequence
size_t spb;
std::vector<std::complex<int16_t>* > rx_dptr;
rx_dptr.resize(usrp->get_rx_num_channels());
spb = tx_stream->get_max_num_samps();
if (verbose) std::cout << "npulses: " << npulses << std::endl;
boost::thread_group rx_threads;
boost::thread_group tx_threads;
for (int ipulse=0; ipulse<npulses; ipulse++){
if (debug) std::cout << "pulse number: " << ipulse << std::endl;
for (size_t ichan=0; ichan<usrp->get_rx_num_channels(); ichan++){
rx_dptr[ichan] = ipulse*samps_per_pulse + outdata[ichan];
}
float timeout = 1.1;
//usrp->set_command_time(start_time-50e-6,0);
//usrp->set_gpio_attr("RXA","OUT",TR_BIT, TR_BIT);
if (ipulse==0){
if (verbose) std::cout << "time spec: " << stream_cmd.time_spec.get_real_secs() << std::endl;
if (verbose) std::cout << "Issuing stream command to start collecting samples\n";
usrp->issue_stream_cmd(stream_cmd);
}
//usrp->set_command_time(start_time+tx_ontime,0);
//usrp->set_gpio_attr("RXA","OUT",0x0, TR_BIT);
size_t acc_samps=0;
if (ipulse%2 == 0) {
vec_ptr[0] = &txbuff0->front();
}
if (ipulse%2 == 1) {
vec_ptr[0] = &txbuff1->front();
}
if (ipulse != npulses-1) {
tx_threads.create_thread(boost::bind(tx_worker,
txbuff0->size(), tx_stream, start_time, vec_ptr[0], 0));
}
if (ipulse == npulses-1) {
tx_threads.create_thread(boost::bind(tx_worker,
txbuff0->size(), tx_stream, start_time, vec_ptr[0], 1));
}
rx_threads.join_all();
rx_threads.create_thread(boost::bind(rx_worker,
rx_stream, samps_per_pulse, rx_dptr));
//for (int k=0; k<10; k++){
// //std::cout << "raw data: " << outdata[0][i][k] << "\t" << outdata[1][i][k] << std::endl;
// std::cout << "raw data: " << rx_dptr[0][k] << " " << rx_dptr[1][k] << std::endl;
//}
//for (int k=0; k<samps_per_pulse; k++)
// outdata[i][k] += buff[k];
start_time += float(pulse_time);
}
tx_threads.join_all();
rx_threads.join_all();
}