mirror of
https://github.com/saymrwulf/uhd.git
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347 lines
13 KiB
C++
347 lines
13 KiB
C++
//
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// Copyright 2010 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uhd/usrp/mimo_usrp.hpp>
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#include <uhd/usrp/tune_helper.hpp>
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#include <uhd/utils/assert.hpp>
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#include <uhd/utils/gain_group.hpp>
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#include <uhd/utils/algorithm.hpp>
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#include <uhd/utils/warning.hpp>
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#include <uhd/usrp/subdev_props.hpp>
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#include <uhd/usrp/mboard_props.hpp>
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#include <uhd/usrp/device_props.hpp>
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#include <uhd/usrp/dboard_props.hpp>
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#include <uhd/usrp/dsp_props.hpp>
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#include <boost/foreach.hpp>
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#include <boost/format.hpp>
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#include <boost/thread.hpp>
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#include <stdexcept>
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#include <iostream>
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using namespace uhd;
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using namespace uhd::usrp;
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static inline freq_range_t add_dsp_shift(const freq_range_t &range, wax::obj dsp){
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double codec_rate = dsp[DSP_PROP_CODEC_RATE].as<double>();
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return freq_range_t(range.min - codec_rate/2.0, range.max + codec_rate/2.0);
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}
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/***********************************************************************
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* MIMO USRP Implementation
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**********************************************************************/
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class mimo_usrp_impl : public mimo_usrp{
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public:
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mimo_usrp_impl(const device_addr_t &addr){
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_dev = device::make(addr);
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//set the clock config across all mboards (TODO set through api)
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clock_config_t clock_config;
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clock_config.ref_source = clock_config_t::REF_SMA;
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clock_config.pps_source = clock_config_t::PPS_SMA;
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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_mboard(chan)[MBOARD_PROP_CLOCK_CONFIG] = clock_config;
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}
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}
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~mimo_usrp_impl(void){
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/* NOP */
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}
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device::sptr get_device(void){
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return _dev;
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}
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std::string get_pp_string(void){
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std::string buff = str(boost::format(
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"MIMO USRP:\n"
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" Device: %s\n"
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)
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% (*_dev)[DEVICE_PROP_NAME].as<std::string>()
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);
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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buff += str(boost::format(
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" Channel: %u\n"
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" Mboard: %s\n"
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" RX DSP: %s\n"
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" RX Dboard: %s\n"
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" RX Subdev: %s\n"
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" TX DSP: %s\n"
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" TX Dboard: %s\n"
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" TX Subdev: %s\n"
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) % chan
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% _mboard(chan)[MBOARD_PROP_NAME].as<std::string>()
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% _rx_dsp(chan)[DSP_PROP_NAME].as<std::string>()
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% _rx_dboard(chan)[DBOARD_PROP_NAME].as<std::string>()
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% _rx_subdev(chan)[SUBDEV_PROP_NAME].as<std::string>()
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% _tx_dsp(chan)[DSP_PROP_NAME].as<std::string>()
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% _tx_dboard(chan)[DBOARD_PROP_NAME].as<std::string>()
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% _tx_subdev(chan)[SUBDEV_PROP_NAME].as<std::string>()
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);
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}
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return buff;
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}
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size_t get_num_channels(void){
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return (*_dev)[DEVICE_PROP_MBOARD_NAMES].as<prop_names_t>().size();
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}
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/*******************************************************************
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* Misc
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******************************************************************/
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time_spec_t get_time_now(void){
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//the time on the first mboard better be the same on all
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return _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
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}
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void set_time_next_pps(const time_spec_t &time_spec){
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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_mboard(chan)[MBOARD_PROP_TIME_NEXT_PPS] = time_spec;
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}
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}
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void set_time_unknown_pps(const time_spec_t &time_spec){
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std::cout << "Set time with unknown pps edge:" << std::endl;
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std::cout << " 1) set times next pps (race condition)" << std::endl;
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set_time_next_pps(time_spec);
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boost::this_thread::sleep(boost::posix_time::seconds(1));
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std::cout << " 2) catch seconds rollover at pps edge" << std::endl;
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time_t last_secs = 0, curr_secs = 0;
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while(curr_secs == last_secs){
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last_secs = curr_secs;
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curr_secs = get_time_now().get_full_secs();
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}
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std::cout << " 3) set times next pps (synchronously)" << std::endl;
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set_time_next_pps(time_spec);
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boost::this_thread::sleep(boost::posix_time::seconds(1));
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//verify that the time registers are read to be within a few RTT
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for (size_t chan = 1; chan < get_num_channels(); chan++){
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time_spec_t time_0 = _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
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time_spec_t time_i = _mboard(chan)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
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if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)){ //10 ms: greater than RTT but not too big
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uhd::print_warning(str(boost::format(
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"Detected time deviation between board %d and board 0.\n"
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"Board 0 time is %f seconds.\n"
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"Board %d time is %f seconds.\n"
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) % chan % time_0.get_real_secs() % chan % time_i.get_real_secs()));
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}
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}
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}
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void issue_stream_cmd(const stream_cmd_t &stream_cmd){
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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_mboard(chan)[MBOARD_PROP_STREAM_CMD] = stream_cmd;
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}
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}
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/*******************************************************************
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* RX methods
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******************************************************************/
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void set_rx_subdev_spec(size_t chan, const subdev_spec_t &spec){
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UHD_ASSERT_THROW(spec.size() <= 1);
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_mboard(chan)[MBOARD_PROP_RX_SUBDEV_SPEC] = spec;
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}
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subdev_spec_t get_rx_subdev_spec(size_t chan){
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return _mboard(chan)[MBOARD_PROP_RX_SUBDEV_SPEC].as<subdev_spec_t>();
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}
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void set_rx_rate_all(double rate){
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std::vector<double> _actual_rates;
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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_rx_dsp(chan)[DSP_PROP_HOST_RATE] = rate;
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_actual_rates.push_back(_rx_dsp(chan)[DSP_PROP_HOST_RATE].as<double>());
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}
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_rx_rate = _actual_rates.front();
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if (std::count(_actual_rates, _rx_rate) != _actual_rates.size()) throw std::runtime_error(
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"MIMO configuratio error: rx rate inconsistent across mboards"
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);
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}
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double get_rx_rate_all(void){
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return _rx_rate;
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}
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tune_result_t set_rx_freq(size_t chan, double target_freq){
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return tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan), target_freq);
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}
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tune_result_t set_rx_freq(size_t chan, double target_freq, double lo_off){
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return tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan), target_freq, lo_off);
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}
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double get_rx_freq(size_t chan){
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return derive_freq_from_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan));
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}
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freq_range_t get_rx_freq_range(size_t chan){
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return add_dsp_shift(_rx_subdev(chan)[SUBDEV_PROP_FREQ_RANGE].as<freq_range_t>(), _rx_dsp(chan));
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}
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void set_rx_gain(size_t chan, float gain){
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return _rx_gain_group(chan)->set_value(gain);
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}
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float get_rx_gain(size_t chan){
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return _rx_gain_group(chan)->get_value();
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}
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gain_range_t get_rx_gain_range(size_t chan){
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return _rx_gain_group(chan)->get_range();
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}
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void set_rx_antenna(size_t chan, const std::string &ant){
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_rx_subdev(chan)[SUBDEV_PROP_ANTENNA] = ant;
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}
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std::string get_rx_antenna(size_t chan){
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return _rx_subdev(chan)[SUBDEV_PROP_ANTENNA].as<std::string>();
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}
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std::vector<std::string> get_rx_antennas(size_t chan){
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return _rx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as<prop_names_t>();
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}
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bool get_rx_lo_locked(size_t chan){
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return _rx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as<bool>();
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}
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float read_rssi(size_t chan){
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return _rx_subdev(chan)[SUBDEV_PROP_RSSI].as<float>();
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}
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/*******************************************************************
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* TX methods
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******************************************************************/
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void set_tx_subdev_spec(size_t chan, const subdev_spec_t &spec){
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UHD_ASSERT_THROW(spec.size() <= 1);
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_mboard(chan)[MBOARD_PROP_TX_SUBDEV_SPEC] = spec;
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}
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subdev_spec_t get_tx_subdev_spec(size_t chan){
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return _mboard(chan)[MBOARD_PROP_TX_SUBDEV_SPEC].as<subdev_spec_t>();
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}
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void set_tx_rate_all(double rate){
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std::vector<double> _actual_rates;
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for (size_t chan = 0; chan < get_num_channels(); chan++){
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_tx_dsp(chan)[DSP_PROP_HOST_RATE] = rate;
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_actual_rates.push_back(_tx_dsp(chan)[DSP_PROP_HOST_RATE].as<double>());
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}
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_tx_rate = _actual_rates.front();
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if (std::count(_actual_rates, _tx_rate) != _actual_rates.size()) throw std::runtime_error(
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"MIMO configuratio error: tx rate inconsistent across mboards"
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);
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}
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double get_tx_rate_all(void){
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return _tx_rate;
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}
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tune_result_t set_tx_freq(size_t chan, double target_freq){
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return tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan), target_freq);
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}
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tune_result_t set_tx_freq(size_t chan, double target_freq, double lo_off){
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return tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan), target_freq, lo_off);
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}
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double get_tx_freq(size_t chan){
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return derive_freq_from_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan));
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}
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freq_range_t get_tx_freq_range(size_t chan){
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return add_dsp_shift(_tx_subdev(chan)[SUBDEV_PROP_FREQ_RANGE].as<freq_range_t>(), _tx_dsp(chan));
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}
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void set_tx_gain(size_t chan, float gain){
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return _tx_gain_group(chan)->set_value(gain);
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}
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float get_tx_gain(size_t chan){
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return _tx_gain_group(chan)->get_value();
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}
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gain_range_t get_tx_gain_range(size_t chan){
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return _tx_gain_group(chan)->get_range();
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}
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void set_tx_antenna(size_t chan, const std::string &ant){
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_tx_subdev(chan)[SUBDEV_PROP_ANTENNA] = ant;
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}
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std::string get_tx_antenna(size_t chan){
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return _tx_subdev(chan)[SUBDEV_PROP_ANTENNA].as<std::string>();
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}
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std::vector<std::string> get_tx_antennas(size_t chan){
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return _tx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as<prop_names_t>();
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}
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bool get_tx_lo_locked(size_t chan){
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return _tx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as<bool>();
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}
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private:
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device::sptr _dev;
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wax::obj _mboard(size_t chan){
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prop_names_t names = (*_dev)[DEVICE_PROP_MBOARD_NAMES].as<prop_names_t>();
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return (*_dev)[named_prop_t(DEVICE_PROP_MBOARD, names.at(chan))];
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}
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wax::obj _rx_dsp(size_t chan){
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return _mboard(chan)[MBOARD_PROP_RX_DSP];
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}
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wax::obj _tx_dsp(size_t chan){
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return _mboard(chan)[MBOARD_PROP_TX_DSP];
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}
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wax::obj _rx_dboard(size_t chan){
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std::string db_name = _mboard(chan)[MBOARD_PROP_RX_SUBDEV_SPEC].as<subdev_spec_t>().front().db_name;
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return _mboard(chan)[named_prop_t(MBOARD_PROP_RX_DBOARD, db_name)];
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}
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wax::obj _tx_dboard(size_t chan){
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std::string db_name = _mboard(chan)[MBOARD_PROP_TX_SUBDEV_SPEC].as<subdev_spec_t>().front().db_name;
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return _mboard(chan)[named_prop_t(MBOARD_PROP_TX_DBOARD, db_name)];
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}
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wax::obj _rx_subdev(size_t chan){
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std::string sd_name = _mboard(chan)[MBOARD_PROP_RX_SUBDEV_SPEC].as<subdev_spec_t>().front().sd_name;
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return _rx_dboard(chan)[named_prop_t(DBOARD_PROP_SUBDEV, sd_name)];
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}
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wax::obj _tx_subdev(size_t chan){
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std::string sd_name = _mboard(chan)[MBOARD_PROP_TX_SUBDEV_SPEC].as<subdev_spec_t>().front().sd_name;
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return _tx_dboard(chan)[named_prop_t(DBOARD_PROP_SUBDEV, sd_name)];
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}
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gain_group::sptr _rx_gain_group(size_t chan){
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std::string sd_name = _mboard(chan)[MBOARD_PROP_RX_SUBDEV_SPEC].as<subdev_spec_t>().front().sd_name;
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return _rx_dboard(chan)[named_prop_t(DBOARD_PROP_GAIN_GROUP, sd_name)].as<gain_group::sptr>();
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}
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gain_group::sptr _tx_gain_group(size_t chan){
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std::string sd_name = _mboard(chan)[MBOARD_PROP_TX_SUBDEV_SPEC].as<subdev_spec_t>().front().sd_name;
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return _tx_dboard(chan)[named_prop_t(DBOARD_PROP_GAIN_GROUP, sd_name)].as<gain_group::sptr>();
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}
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//shadows
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double _rx_rate, _tx_rate;
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};
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/***********************************************************************
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* The Make Function
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**********************************************************************/
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mimo_usrp::sptr mimo_usrp::make(const device_addr_t &dev_addr){
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return sptr(new mimo_usrp_impl(dev_addr));
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}
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