C++ sptr::get_fe_rx_freq_range方法代码示例

/***********************************************************************
 * Tune RX and TX routine
 **********************************************************************/
static double tune_rx_and_tx(uhd::usrp::multi_usrp::sptr usrp, const double tx_lo_freq, const double rx_offset)
{
    //tune the transmitter with no cordic
    uhd::tune_request_t tx_tune_req(tx_lo_freq);
    tx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
    tx_tune_req.dsp_freq = 0;
    usrp->set_tx_freq(tx_tune_req);

    //tune the receiver
    double rx_freq = usrp->get_tx_freq() - rx_offset;
    double min_fe_rx_freq = usrp->get_fe_rx_freq_range().start();
    double max_fe_rx_freq = usrp->get_fe_rx_freq_range().stop();
    uhd::tune_request_t rx_tune_req(rx_freq);
    rx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
    rx_tune_req.dsp_freq = 0;
    if (rx_freq < min_fe_rx_freq)
        rx_tune_req.dsp_freq = rx_freq - min_fe_rx_freq;
    else if (rx_freq > max_fe_rx_freq)
        rx_tune_req.dsp_freq = rx_freq - max_fe_rx_freq;
    usrp->set_rx_freq(rx_tune_req);

    //wait for the LOs to become locked
    boost::this_thread::sleep(boost::posix_time::milliseconds(50));
    boost::system_time start = boost::get_system_time();
    while (not usrp->get_tx_sensor("lo_locked").to_bool() or not usrp->get_rx_sensor("lo_locked").to_bool())
    {
        if (boost::get_system_time() > start + boost::posix_time::milliseconds(100))
            throw std::runtime_error("timed out waiting for TX and/or RX LO to lock");
    }

    return usrp->get_tx_freq();
}

/***********************************************************************
 * Tune RX and TX routine
 **********************************************************************/
static double tune_rx_and_tx(
    uhd::usrp::multi_usrp::sptr usrp, const double tx_lo_freq, const double rx_offset)
{
    // tune the transmitter with no cordic
    uhd::tune_request_t tx_tune_req(tx_lo_freq);
    tx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
    tx_tune_req.dsp_freq        = 0;
    usrp->set_tx_freq(tx_tune_req);

    // tune the receiver
    double rx_freq        = usrp->get_tx_freq() - rx_offset;
    double min_fe_rx_freq = usrp->get_fe_rx_freq_range().start();
    double max_fe_rx_freq = usrp->get_fe_rx_freq_range().stop();
    uhd::tune_request_t rx_tune_req(rx_freq);
    rx_tune_req.dsp_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
    rx_tune_req.dsp_freq        = 0;
    if (rx_freq < min_fe_rx_freq)
        rx_tune_req.dsp_freq = rx_freq - min_fe_rx_freq;
    else if (rx_freq > max_fe_rx_freq)
        rx_tune_req.dsp_freq = rx_freq - max_fe_rx_freq;
    usrp->set_rx_freq(rx_tune_req);

    wait_for_lo_lock(usrp);

    return usrp->get_tx_freq();
}

std::string coercion_test(uhd::usrp::multi_usrp::sptr usrp, std::string type, int chan,
                          bool test_gain, double freq_step, double gain_step, bool verbose){

    //Getting USRP info
    uhd::dict<std::string, std::string> usrp_info = (type == "TX") ? usrp->get_usrp_tx_info(chan)
                                                                   : usrp->get_usrp_rx_info(chan);
    std::string subdev_name = (type == "TX") ? usrp_info.get("tx_subdev_name")
                                             : usrp_info.get("rx_subdev_name");
    std::string subdev_spec = (type == "TX") ? usrp_info.get("tx_subdev_spec")
                                             : usrp_info.get("rx_subdev_spec");

    //Establish frequency range
    std::vector<double> freqs;
    std::vector<double> xcvr_freqs; //XCVR2450 has two ranges
    uhd::freq_range_t freq_ranges  = (type == "TX") ? usrp->get_fe_tx_freq_range(chan)
                                                    : usrp->get_fe_rx_freq_range(chan);

    std::cout << boost::format("\nTesting %s coercion...") % type << std::endl;

    BOOST_FOREACH(const uhd::range_t &range, freq_ranges){
        double freq_begin = range.start();
        double freq_end = range.stop();

        if(subdev_name.find("XCVR2450") == 0){
            xcvr_freqs.push_back(freq_begin);
            xcvr_freqs.push_back(freq_end);
        }

        double current_freq = freq_begin;
        while(current_freq < freq_end){
            freqs.push_back(current_freq);
            current_freq += freq_step;
        }
        if(freq_end != *freqs.end()) freqs.push_back(freq_end);
    }

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)
//.........这里部分代码省略.........