C++ (Cpp) sptr::set_tx_freq Examples

Example #1

File: uhd_cal_tx_iq_balance.cpp Project: 211217613/uhd

/***********************************************************************
 * 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();
}

Example #2

File: uhd_cal_tx_iq_balance.cpp Project: EttusResearch/uhd

/***********************************************************************
 * 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();
}

Example #3

File: UHDDevice.cpp Project: 5728136cs/openbts-multi-arfcn

bool uhd_device::setTxFreq(double wFreq)
{
	uhd::tune_result_t tr = usrp_dev->set_tx_freq(wFreq);
	LOG(INFO) << "\n" << tr.to_pp_string();
	tx_freq = usrp_dev->get_tx_freq();

	return true;
}

Example #4

File: aoa_tx.cpp Project: KevinHCChen/wireless-aoa

int setup_device(uhd::usrp::multi_usrp::sptr usrp, double rx_gain, double tx_gain, double freq, double rate){

    //create a usrp device
    std::cout << boost::format("Using Device: %s") % usrp->get_pp_string() << std::endl;

    usrp->set_rx_rate(rate);
    usrp->set_rx_freq(freq);
    usrp->set_rx_gain(rx_gain);
	usrp->set_tx_rate(rate);
	usrp->set_tx_freq(freq);
	usrp->set_tx_gain(tx_gain);

}

Example #5

File: single_rx.cpp Project: xtype0x/wn_hw

void init_usrp() {
	cout << "Initial USRP" << endl;
	
	usrp = uhd::usrp::multi_usrp::make(usrp_ip);
	usrp->set_rx_rate(rate);
	usrp->set_tx_rate(rate);

	usrp->set_rx_freq(freq);
	usrp->set_tx_freq(freq);

	usrp->set_rx_gain(gain);
	uhd::meta_range_t rx_range = usrp->get_rx_gain_range();
}

Example #6

File: test_tx_trigger.cpp Project: pervices/uhd

    Uhd(const std::vector<size_t> channels, const double tx_rate, const double tx_center_freq, const double tx_gain)
    {
        uhd::set_thread_priority_safe();

        for(const auto ch : channels)
        {
            usrp = uhd::usrp::multi_usrp::make(std::string(""));
            usrp->set_clock_source("internal");
            usrp->set_tx_rate(tx_rate, ch);
            usrp->set_tx_freq(uhd::tune_request_t(tx_center_freq), ch);
            usrp->set_tx_gain(tx_gain, ch);
        }
        usrp->set_time_now(uhd::time_spec_t(0.0));
    }