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Diffstat (limited to 'host/lib/usrp/multi_usrp.cpp')
| -rw-r--r-- | host/lib/usrp/multi_usrp.cpp | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp new file mode 100644 index 000000000..1a1bd0967 --- /dev/null +++ b/host/lib/usrp/multi_usrp.cpp @@ -0,0 +1,718 @@ +// +// Copyright 2010-2011 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +#include <uhd/property_tree.hpp> +#include <uhd/usrp/multi_usrp.hpp> +#include <uhd/usrp/mboard_iface.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/exception.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/utils/gain_group.hpp> +#include <boost/thread.hpp> +#include <boost/foreach.hpp> +#include <boost/format.hpp> +#include <cmath> + +using namespace uhd; +using namespace uhd::usrp; + +const std::string multi_usrp::ALL_GAINS = ""; + +/*********************************************************************** + * Helper methods + **********************************************************************/ +static void do_samp_rate_warning_message( + double target_rate, + double actual_rate, + const std::string &xx +){ + static const double max_allowed_error = 1.0; //Sps + if (std::abs(target_rate - actual_rate) > max_allowed_error){ + UHD_MSG(warning) << boost::format( + "The hardware does not support the requested %s sample rate:\n" + "Target sample rate: %f MSps\n" + "Actual sample rate: %f MSps\n" + ) % xx % (target_rate/1e6) % (actual_rate/1e6); + } +} + +static void do_tune_freq_warning_message( + double target_freq, + double actual_freq, + const std::string &xx +){ + static const double max_allowed_error = 1.0; //Hz + if (std::abs(target_freq - actual_freq) > max_allowed_error){ + UHD_MSG(warning) << boost::format( + "The hardware does not support the requested %s frequency:\n" + "Target frequency: %f MHz\n" + "Actual frequency: %f MHz\n" + ) % xx % (target_freq/1e6) % (actual_freq/1e6); + } +} + +static meta_range_t make_overall_tune_range( + const meta_range_t &fe_range, + const meta_range_t &dsp_range, + const double bw +){ + meta_range_t range; + BOOST_FOREACH(const range_t &sub_range, fe_range){ + range.push_back(range_t( + sub_range.start() + std::max(dsp_range.start(), -bw), + sub_range.stop() + std::min(dsp_range.stop(), bw), + dsp_range.step() + )); + } + return range; +} + +/*********************************************************************** + * Gain helper functions + **********************************************************************/ +static double get_gain_value(property_tree::sptr subtree){ + return subtree->access<double>("value").get(); +} + +static void set_gain_value(property_tree::sptr subtree, const double gain){ + subtree->access<double>("value").set(gain); +} + +static meta_range_t get_gain_range(property_tree::sptr subtree){ + return subtree->access<meta_range_t>("range").get(); +} + +static gain_fcns_t make_gain_fcns_from_subtree(property_tree::sptr subtree){ + gain_fcns_t gain_fcns; + gain_fcns.get_range = boost::bind(&get_gain_range, subtree); + gain_fcns.get_value = boost::bind(&get_gain_value, subtree); + gain_fcns.set_value = boost::bind(&set_gain_value, subtree, _1); + return gain_fcns; +} + +/*********************************************************************** + * Tune Helper Functions + **********************************************************************/ +static const double RX_SIGN = +1.0; +static const double TX_SIGN = -1.0; + +static tune_result_t tune_xx_subdev_and_dsp( + const double xx_sign, + property_tree::sptr dsp_subtree, + property_tree::sptr rf_fe_subtree, + const tune_request_t &tune_request +){ + //------------------------------------------------------------------ + //-- calculate the LO offset, only used with automatic policy + //------------------------------------------------------------------ + double lo_offset = 0.0; + if (rf_fe_subtree->access<bool>("use_lo_offset").get()){ + //If the local oscillator will be in the passband, use an offset. + //But constrain the LO offset by the width of the filter bandwidth. + const double rate = dsp_subtree->access<double>("rate/value").get(); + const double bw = rf_fe_subtree->access<double>("bandwidth/value").get(); + if (bw > rate) lo_offset = std::min((bw - rate)/2, rate/2); + } + + //------------------------------------------------------------------ + //-- set the RF frequency depending upon the policy + //------------------------------------------------------------------ + double target_rf_freq = 0.0; + switch (tune_request.rf_freq_policy){ + case tune_request_t::POLICY_AUTO: + target_rf_freq = tune_request.target_freq + lo_offset; + rf_fe_subtree->access<double>("freq/value").set(target_rf_freq); + break; + + case tune_request_t::POLICY_MANUAL: + target_rf_freq = tune_request.rf_freq; + rf_fe_subtree->access<double>("freq/value").set(target_rf_freq); + break; + + case tune_request_t::POLICY_NONE: break; //does not set + } + const double actual_rf_freq = rf_fe_subtree->access<double>("freq/value").get(); + + //------------------------------------------------------------------ + //-- calculate the dsp freq, only used with automatic policy + //------------------------------------------------------------------ + double target_dsp_freq = actual_rf_freq - tune_request.target_freq; + + //invert the sign on the dsp freq for transmit + target_dsp_freq *= xx_sign; + + //------------------------------------------------------------------ + //-- set the dsp frequency depending upon the dsp frequency policy + //------------------------------------------------------------------ + switch (tune_request.dsp_freq_policy){ + case tune_request_t::POLICY_AUTO: + dsp_subtree->access<double>("freq/value").set(target_dsp_freq); + break; + + case tune_request_t::POLICY_MANUAL: + target_dsp_freq = tune_request.dsp_freq; + dsp_subtree->access<double>("freq/value").set(target_dsp_freq); + break; + + case tune_request_t::POLICY_NONE: break; //does not set + } + const double actual_dsp_freq = dsp_subtree->access<double>("freq/value").get(); + + //------------------------------------------------------------------ + //-- load and return the tune result + //------------------------------------------------------------------ + tune_result_t tune_result; + tune_result.target_rf_freq = target_rf_freq; + tune_result.actual_rf_freq = actual_rf_freq; + tune_result.target_dsp_freq = target_dsp_freq; + tune_result.actual_dsp_freq = actual_dsp_freq; + return tune_result; +} + +static double derive_freq_from_xx_subdev_and_dsp( + const double xx_sign, + property_tree::sptr dsp_subtree, + property_tree::sptr rf_fe_subtree +){ + //extract actual dsp and IF frequencies + const double actual_rf_freq = rf_fe_subtree->access<double>("freq/value").get(); + const double actual_dsp_freq = dsp_subtree->access<double>("freq/value").get(); + + //invert the sign on the dsp freq for transmit + return actual_rf_freq - actual_dsp_freq * xx_sign; +} + +/*********************************************************************** + * Multi USRP Implementation + **********************************************************************/ +class multi_usrp_impl : public multi_usrp{ +public: + multi_usrp_impl(const device_addr_t &addr){ + _dev = device::make(addr); + _tree = (*_dev)[0].as<property_tree::sptr>(); + } + + device::sptr get_device(void){ + return _dev; + } + + /******************************************************************* + * Mboard methods + ******************************************************************/ + void set_master_clock_rate(double rate, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _tree->access<double>(mb_root(mboard) / "tick_rate").set(rate); + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_master_clock_rate(rate, m); + } + } + + double get_master_clock_rate(size_t mboard){ + return _tree->access<double>(mb_root(mboard) / "tick_rate").get(); + } + + std::string get_pp_string(void){ + std::string buff = str(boost::format( + "%s USRP:\n" + " Device: %s\n" + ) + % ((get_num_mboards() > 1)? "Multi" : "Single") + % (_tree->access<std::string>("/name").get()) + ); + for (size_t m = 0; m < get_num_mboards(); m++){ + buff += str(boost::format( + " Mboard %d: %s\n" + ) % m + % (_tree->access<std::string>(mb_root(m) / "name").get()) + ); + } + + //----------- rx side of life ---------------------------------- + for (size_t m = 0, chan = 0; m < get_num_mboards(); m++){ + for (; chan < (m + 1)*get_rx_subdev_spec(m).size(); chan++){ + buff += str(boost::format( + " RX Channel: %u\n" + " RX DSP: %s\n" + " RX Dboard: %s\n" + " RX Subdev: %s\n" + ) % chan + % rx_dsp_root(chan).leaf() + % rx_rf_fe_root(chan).branch_path().branch_path().leaf() + % (_tree->access<std::string>(rx_rf_fe_root(chan) / "name").get()) + ); + } + } + + //----------- tx side of life ---------------------------------- + for (size_t m = 0, chan = 0; m < get_num_mboards(); m++){ + for (; chan < (m + 1)*get_tx_subdev_spec(m).size(); chan++){ + buff += str(boost::format( + " TX Channel: %u\n" + " TX DSP: %s\n" + " TX Dboard: %s\n" + " TX Subdev: %s\n" + ) % chan + % tx_dsp_root(chan).leaf() + % tx_rf_fe_root(chan).branch_path().branch_path().leaf() + % (_tree->access<std::string>(tx_rf_fe_root(chan) / "name").get()) + ); + } + } + + return buff; + } + + std::string get_mboard_name(size_t mboard){ + return _tree->access<std::string>(mb_root(mboard) / "name").get(); + } + + time_spec_t get_time_now(size_t mboard = 0){ + return _tree->access<time_spec_t>(mb_root(mboard) / "time/now").get(); + } + + time_spec_t get_time_last_pps(size_t mboard = 0){ + return _tree->access<time_spec_t>(mb_root(mboard) / "time/pps").get(); + } + + void set_time_now(const time_spec_t &time_spec, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _tree->access<time_spec_t>(mb_root(mboard) / "time/now").set(time_spec); + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_time_now(time_spec, m); + } + } + + void set_time_next_pps(const time_spec_t &time_spec){ + for (size_t m = 0; m < get_num_mboards(); m++){ + _tree->access<time_spec_t>(mb_root(m) / "time/pps").set(time_spec); + } + } + + void set_time_unknown_pps(const time_spec_t &time_spec){ + UHD_MSG(status) << " 1) catch time transition at pps edge" << std::endl; + time_spec_t time_start = get_time_now(); + time_spec_t time_start_last_pps = get_time_last_pps(); + while(true){ + if (get_time_last_pps() != time_start_last_pps) break; + if ((get_time_now() - time_start) > time_spec_t(1.1)){ + throw uhd::runtime_error( + "Board 0 may not be getting a PPS signal!\n" + "No PPS detected within the time interval.\n" + "See the application notes for your device.\n" + ); + } + } + + UHD_MSG(status) << " 2) set times next pps (synchronously)" << std::endl; + set_time_next_pps(time_spec); + boost::this_thread::sleep(boost::posix_time::seconds(1)); + + //verify that the time registers are read to be within a few RTT + for (size_t m = 1; m < get_num_mboards(); m++){ + time_spec_t time_0 = this->get_time_now(0); + time_spec_t time_i = this->get_time_now(m); + if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)){ //10 ms: greater than RTT but not too big + UHD_MSG(warning) << boost::format( + "Detected time deviation between board %d and board 0.\n" + "Board 0 time is %f seconds.\n" + "Board %d time is %f seconds.\n" + ) % m % time_0.get_real_secs() % m % time_i.get_real_secs(); + } + } + } + + bool get_time_synchronized(void){ + for (size_t m = 1; m < get_num_mboards(); m++){ + time_spec_t time_0 = this->get_time_now(0); + time_spec_t time_i = this->get_time_now(m); + if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)) return false; + } + return true; + } + + void issue_stream_cmd(const stream_cmd_t &stream_cmd, size_t chan){ + if (chan != ALL_CHANS){ + _tree->access<stream_cmd_t>(rx_dsp_root(chan) / "stream_cmd").set(stream_cmd); + return; + } + for (size_t c = 0; c < get_rx_num_channels(); c++){ + issue_stream_cmd(stream_cmd, c); + } + } + + void set_clock_config(const clock_config_t &clock_config, size_t mboard){ + if (mboard != ALL_MBOARDS){ + //set the reference source... + std::string clock_source; + switch(clock_config.ref_source){ + case clock_config_t::REF_INT: clock_source = "internal"; break; + case clock_config_t::PPS_SMA: clock_source = "external"; break; + case clock_config_t::PPS_MIMO: clock_source = "mimo"; break; + default: clock_source = "unknown"; + } + if (clock_source == "external" and clock_config.pps_polarity == clock_config_t::PPS_NEG) clock_source = "_external_"; + _tree->access<std::string>(mb_root(mboard) / "clock_source" / "value").set(clock_source); + + //set the time source + std::string time_source; + switch(clock_config.pps_source){ + case clock_config_t::PPS_INT: time_source = "internal"; break; + case clock_config_t::PPS_SMA: time_source = "external"; break; + case clock_config_t::PPS_MIMO: time_source = "mimo"; break; + default: time_source = "unknown"; + } + _tree->access<std::string>(mb_root(mboard) / "time_source" / "value").set(time_source); + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_clock_config(clock_config, m); + } + } + + size_t get_num_mboards(void){ + return _tree->list("/mboards").size(); + } + + sensor_value_t get_mboard_sensor(const std::string &name, size_t mboard){ + return _tree->access<sensor_value_t>(mb_root(mboard) / "sensors" / name).get(); + } + + std::vector<std::string> get_mboard_sensor_names(size_t mboard){ + return _tree->list(mb_root(mboard) / "sensors"); + } + + mboard_iface::sptr get_mboard_iface(size_t){ + return mboard_iface::sptr(); //not implemented + } + + /******************************************************************* + * RX methods + ******************************************************************/ + void set_rx_subdev_spec(const subdev_spec_t &spec, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _tree->access<subdev_spec_t>(mb_root(mboard) / "rx_subdev_spec").set(spec); + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_rx_subdev_spec(spec, m); + } + } + + subdev_spec_t get_rx_subdev_spec(size_t mboard){ + return _tree->access<subdev_spec_t>(mb_root(mboard) / "rx_subdev_spec").get(); + } + + size_t get_rx_num_channels(void){ + size_t sum = 0; + for (size_t m = 0; m < get_num_mboards(); m++){ + sum += get_rx_subdev_spec(m).size(); + } + return sum; + } + + std::string get_rx_subdev_name(size_t chan){ + return _tree->access<std::string>(rx_rf_fe_root(chan) / "name").get(); + } + + void set_rx_rate(double rate, size_t chan){ + if (chan != ALL_CHANS){ + _tree->access<double>(rx_dsp_root(chan) / "rate" / "value").set(rate); + do_samp_rate_warning_message(rate, get_rx_rate(chan), "RX"); + return; + } + for (size_t c = 0; c < get_rx_num_channels(); c++){ + set_rx_rate(rate, c); + } + } + + double get_rx_rate(size_t chan){ + return _tree->access<double>(rx_dsp_root(chan) / "rate" / "value").get(); + } + + tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){ + tune_result_t r = tune_xx_subdev_and_dsp(RX_SIGN, _tree->subtree(rx_dsp_root(chan)), _tree->subtree(rx_rf_fe_root(chan)), tune_request); + do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX"); + return r; + } + + double get_rx_freq(size_t chan){ + return derive_freq_from_xx_subdev_and_dsp(RX_SIGN, _tree->subtree(rx_dsp_root(chan)), _tree->subtree(rx_rf_fe_root(chan))); + } + + freq_range_t get_rx_freq_range(size_t chan){ + return make_overall_tune_range( + _tree->access<meta_range_t>(rx_rf_fe_root(chan) / "freq" / "range").get(), + _tree->access<meta_range_t>(rx_dsp_root(chan) / "freq" / "range").get(), + this->get_rx_bandwidth(chan) + ); + } + + void set_rx_gain(double gain, const std::string &name, size_t chan){ + return rx_gain_group(chan)->set_value(gain, name); + } + + double get_rx_gain(const std::string &name, size_t chan){ + return rx_gain_group(chan)->get_value(name); + } + + gain_range_t get_rx_gain_range(const std::string &name, size_t chan){ + return rx_gain_group(chan)->get_range(name); + } + + std::vector<std::string> get_rx_gain_names(size_t chan){ + return rx_gain_group(chan)->get_names(); + } + + void set_rx_antenna(const std::string &ant, size_t chan){ + _tree->access<std::string>(rx_rf_fe_root(chan) / "antenna" / "value").set(ant); + } + + std::string get_rx_antenna(size_t chan){ + return _tree->access<std::string>(rx_rf_fe_root(chan) / "antenna" / "value").get(); + } + + std::vector<std::string> get_rx_antennas(size_t chan){ + return _tree->access<std::vector<std::string> >(rx_rf_fe_root(chan) / "antenna" / "options").get(); + } + + void set_rx_bandwidth(double bandwidth, size_t chan){ + _tree->access<double>(rx_rf_fe_root(chan) / "bandwidth" / "value").set(bandwidth); + } + + double get_rx_bandwidth(size_t chan){ + return _tree->access<double>(rx_rf_fe_root(chan) / "bandwidth" / "value").get(); + } + + dboard_iface::sptr get_rx_dboard_iface(size_t chan){ + return _tree->access<dboard_iface::sptr>(rx_rf_fe_root(chan).branch_path().branch_path() / "iface").get(); + } + + sensor_value_t get_rx_sensor(const std::string &name, size_t chan){ + return _tree->access<sensor_value_t>(rx_rf_fe_root(chan) / "sensors" / name).get(); + } + + std::vector<std::string> get_rx_sensor_names(size_t chan){ + return _tree->list(rx_rf_fe_root(chan) / "sensors"); + } + + /******************************************************************* + * TX methods + ******************************************************************/ + void set_tx_subdev_spec(const subdev_spec_t &spec, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _tree->access<subdev_spec_t>(mb_root(mboard) / "tx_subdev_spec").set(spec); + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_tx_subdev_spec(spec, m); + } + } + + subdev_spec_t get_tx_subdev_spec(size_t mboard){ + return _tree->access<subdev_spec_t>(mb_root(mboard) / "tx_subdev_spec").get(); + } + + std::string get_tx_subdev_name(size_t chan){ + return _tree->access<std::string>(tx_rf_fe_root(chan) / "name").get(); + } + + size_t get_tx_num_channels(void){ + size_t sum = 0; + for (size_t m = 0; m < get_num_mboards(); m++){ + sum += get_tx_subdev_spec(m).size(); + } + return sum; + } + + void set_tx_rate(double rate, size_t chan){ + if (chan != ALL_CHANS){ + _tree->access<double>(tx_dsp_root(chan) / "rate" / "value").set(rate); + do_samp_rate_warning_message(rate, get_tx_rate(chan), "TX"); + return; + } + for (size_t c = 0; c < get_tx_num_channels(); c++){ + set_tx_rate(rate, c); + } + } + + double get_tx_rate(size_t chan){ + return _tree->access<double>(tx_dsp_root(chan) / "rate" / "value").get(); + } + + tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){ + tune_result_t r = tune_xx_subdev_and_dsp(TX_SIGN, _tree->subtree(tx_dsp_root(chan)), _tree->subtree(tx_rf_fe_root(chan)), tune_request); + do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "TX"); + return r; + } + + double get_tx_freq(size_t chan){ + return derive_freq_from_xx_subdev_and_dsp(TX_SIGN, _tree->subtree(tx_dsp_root(chan)), _tree->subtree(tx_rf_fe_root(chan))); + } + + freq_range_t get_tx_freq_range(size_t chan){ + return make_overall_tune_range( + _tree->access<meta_range_t>(tx_rf_fe_root(chan) / "freq" / "range").get(), + _tree->access<meta_range_t>(tx_dsp_root(chan) / "freq" / "range").get(), + this->get_tx_bandwidth(chan) + ); + } + + void set_tx_gain(double gain, const std::string &name, size_t chan){ + return tx_gain_group(chan)->set_value(gain, name); + } + + double get_tx_gain(const std::string &name, size_t chan){ + return tx_gain_group(chan)->get_value(name); + } + + gain_range_t get_tx_gain_range(const std::string &name, size_t chan){ + return tx_gain_group(chan)->get_range(name); + } + + std::vector<std::string> get_tx_gain_names(size_t chan){ + return tx_gain_group(chan)->get_names(); + } + + void set_tx_antenna(const std::string &ant, size_t chan){ + _tree->access<std::string>(tx_rf_fe_root(chan) / "antenna" / "value").set(ant); + } + + std::string get_tx_antenna(size_t chan){ + return _tree->access<std::string>(tx_rf_fe_root(chan) / "antenna" / "value").get(); + } + + std::vector<std::string> get_tx_antennas(size_t chan){ + return _tree->access<std::vector<std::string> >(tx_rf_fe_root(chan) / "antenna" / "options").get(); + } + + void set_tx_bandwidth(double bandwidth, size_t chan){ + _tree->access<double>(tx_rf_fe_root(chan) / "bandwidth" / "value").set(bandwidth); + } + + double get_tx_bandwidth(size_t chan){ + return _tree->access<double>(tx_rf_fe_root(chan) / "bandwidth" / "value").get(); + } + + dboard_iface::sptr get_tx_dboard_iface(size_t chan){ + return _tree->access<dboard_iface::sptr>(tx_rf_fe_root(chan).branch_path().branch_path() / "iface").get(); + } + + sensor_value_t get_tx_sensor(const std::string &name, size_t chan){ + return _tree->access<sensor_value_t>(tx_rf_fe_root(chan) / "sensors" / name).get(); + } + + std::vector<std::string> get_tx_sensor_names(size_t chan){ + return _tree->list(tx_rf_fe_root(chan) / "sensors"); + } + +private: + device::sptr _dev; + property_tree::sptr _tree; + + struct mboard_chan_pair{ + size_t mboard, chan; + mboard_chan_pair(void): mboard(0), chan(0){} + }; + + mboard_chan_pair rx_chan_to_mcp(size_t chan){ + mboard_chan_pair mcp; + mcp.chan = chan; + for (mcp.mboard = 0; mcp.mboard < get_num_mboards(); mcp.mboard++){ + size_t sss = get_rx_subdev_spec(mcp.mboard).size(); + if (mcp.chan < sss) break; + mcp.chan -= sss; + } + return mcp; + } + + mboard_chan_pair tx_chan_to_mcp(size_t chan){ + mboard_chan_pair mcp; + mcp.chan = chan; + for (mcp.mboard = 0; mcp.mboard < get_num_mboards(); mcp.mboard++){ + size_t sss = get_tx_subdev_spec(mcp.mboard).size(); + if (mcp.chan < sss) break; + mcp.chan -= sss; + } + return mcp; + } + + fs_path mb_root(const size_t mboard){ + const std::string name = _tree->list("/mboards").at(mboard); + return "/mboards/" + name; + } + + fs_path rx_dsp_root(const size_t chan){ + mboard_chan_pair mcp = rx_chan_to_mcp(chan); + const std::string name = _tree->list(mb_root(mcp.mboard) / "rx_dsps").at(mcp.chan); + return mb_root(mcp.mboard) / "rx_dsps" / name; + } + + fs_path tx_dsp_root(const size_t chan){ + mboard_chan_pair mcp = tx_chan_to_mcp(chan); + const std::string name = _tree->list(mb_root(mcp.mboard) / "tx_dsps").at(mcp.chan); + return mb_root(mcp.mboard) / "tx_dsps" / name; + } + + fs_path rx_rf_fe_root(const size_t chan){ + mboard_chan_pair mcp = rx_chan_to_mcp(chan); + const subdev_spec_pair_t spec = get_rx_subdev_spec(mcp.mboard).at(mcp.chan); + return mb_root(mcp.mboard) / "dboards" / spec.db_name / "rx_frontends" / spec.sd_name; + } + + fs_path tx_rf_fe_root(const size_t chan){ + mboard_chan_pair mcp = tx_chan_to_mcp(chan); + const subdev_spec_pair_t spec = get_tx_subdev_spec(mcp.mboard).at(mcp.chan); + return mb_root(mcp.mboard) / "dboards" / spec.db_name / "tx_frontends" / spec.sd_name; + } + + gain_group::sptr rx_gain_group(size_t chan){ + mboard_chan_pair mcp = rx_chan_to_mcp(chan); + const subdev_spec_pair_t spec = get_rx_subdev_spec(mcp.mboard).at(mcp.chan); + gain_group::sptr gg = gain_group::make(); + BOOST_FOREACH(const std::string &name, _tree->list(mb_root(mcp.mboard) / "rx_codecs" / spec.db_name / "gains")){ + gg->register_fcns("ADC-"+name, make_gain_fcns_from_subtree(_tree->subtree(mb_root(mcp.mboard) / "rx_codecs" / spec.db_name / "gains" / name)), 0 /* low prio */); + } + BOOST_FOREACH(const std::string &name, _tree->list(rx_rf_fe_root(chan) / "gains")){ + gg->register_fcns(name, make_gain_fcns_from_subtree(_tree->subtree(rx_rf_fe_root(chan) / "gains" / name)), 1 /* high prio */); + } + return gg; + } + + gain_group::sptr tx_gain_group(size_t chan){ + mboard_chan_pair mcp = tx_chan_to_mcp(chan); + const subdev_spec_pair_t spec = get_tx_subdev_spec(mcp.mboard).at(mcp.chan); + gain_group::sptr gg = gain_group::make(); + BOOST_FOREACH(const std::string &name, _tree->list(mb_root(mcp.mboard) / "tx_codecs" / spec.db_name / "gains")){ + gg->register_fcns("ADC-"+name, make_gain_fcns_from_subtree(_tree->subtree(mb_root(mcp.mboard) / "tx_codecs" / spec.db_name / "gains" / name)), 1 /* high prio */); + } + BOOST_FOREACH(const std::string &name, _tree->list(tx_rf_fe_root(chan) / "gains")){ + gg->register_fcns(name, make_gain_fcns_from_subtree(_tree->subtree(tx_rf_fe_root(chan) / "gains" / name)), 0 /* low prio */); + } + return gg; + } +}; + +/*********************************************************************** + * The Make Function + **********************************************************************/ +multi_usrp::sptr multi_usrp::make(const device_addr_t &dev_addr){ + return sptr(new multi_usrp_impl(dev_addr)); +} |