From c861f98c55c38250a0d87ed91f5c19b10192a4b8 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Sat, 16 Oct 2010 18:07:10 -0700 Subject: usrp: created multi-usrp (multi chan, multi board), and deprecated mimo-usrp --- host/lib/usrp/multi_usrp.cpp | 422 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 422 insertions(+) create mode 100644 host/lib/usrp/multi_usrp.cpp (limited to 'host/lib/usrp/multi_usrp.cpp') diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp new file mode 100644 index 000000000..d0fc5c0f6 --- /dev/null +++ b/host/lib/usrp/multi_usrp.cpp @@ -0,0 +1,422 @@ +// +// Copyright 2010 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 . +// + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +using namespace uhd; +using namespace uhd::usrp; + +static inline freq_range_t add_dsp_shift(const freq_range_t &range, wax::obj dsp){ + double codec_rate = dsp[DSP_PROP_CODEC_RATE].as(); + return freq_range_t(range.min - codec_rate/2.0, range.max + codec_rate/2.0); +} + +/*********************************************************************** + * Simple USRP Implementation + **********************************************************************/ +class multi_usrp_impl : public multi_usrp{ +public: + multi_usrp_impl(const device_addr_t &addr){ + _dev = device::make(addr); + } + + device::sptr get_device(void){ + return _dev; + } + + /******************************************************************* + * Mboard methods + ******************************************************************/ + std::string get_pp_string(void){ + std::string buff = str(boost::format( + "Multi USRP:\n" + " Device: %s\n" + ) + % (*_dev)[DEVICE_PROP_NAME].as() + ); + for (size_t m = 0; m < get_num_mboards(); m++){ + buff += str(boost::format( + " Mboard %d: %s\n" + ) % m + % _mboard(m)[MBOARD_PROP_NAME].as() + ); + } + + //----------- rx side of life ---------------------------------- + for (size_t m = 0, chan = 0; m < get_num_mboards(); m++){ + buff += str(boost::format( + " RX DSP %d: %s\n" + ) % m + % _rx_dsp(m)[DSP_PROP_NAME].as() + ); + for (; chan < (m + 1)*get_rx_subdev_spec(m).size(); chan++){ + buff += str(boost::format( + " RX Channel: %u\n" + " RX Dboard: %s\n" + " RX Subdev: %s\n" + ) % chan + % _rx_dboard(chan)[DBOARD_PROP_NAME].as() + % _rx_subdev(chan)[SUBDEV_PROP_NAME].as() + ); + } + } + + //----------- tx side of life ---------------------------------- + for (size_t m = 0, chan = 0; m < get_num_mboards(); m++){ + buff += str(boost::format( + " TX DSP %d: %s\n" + ) % m + % _tx_dsp(m)[DSP_PROP_NAME].as() + ); + for (; chan < (m + 1)*get_tx_subdev_spec(m).size(); chan++){ + buff += str(boost::format( + " TX Channel: %u\n" + " TX Dboard: %s\n" + " TX Subdev: %s\n" + ) % chan + % _tx_dboard(chan)[DBOARD_PROP_NAME].as() + % _tx_subdev(chan)[SUBDEV_PROP_NAME].as() + ); + } + } + + return buff; + } + + std::string get_mboard_name(size_t mboard){ + return _mboard(mboard)[MBOARD_PROP_NAME].as(); + } + + time_spec_t get_time_now(void){ + return _mboard(0)[MBOARD_PROP_TIME_NOW].as(); + } + + void set_time_next_pps(const time_spec_t &time_spec){ + for (size_t m = 0; m < get_num_mboards(); m++){ + _mboard(m)[MBOARD_PROP_TIME_NEXT_PPS] = time_spec; + } + } + + void set_time_unknown_pps(const time_spec_t &time_spec){ + std::cout << "Set time with unknown pps edge:" << std::endl; + std::cout << " 1) set times next pps (race condition)" << std::endl; + set_time_next_pps(time_spec); + boost::this_thread::sleep(boost::posix_time::seconds(1)); + + std::cout << " 2) catch seconds rollover at pps edge" << std::endl; + time_t last_secs = 0, curr_secs = 0; + while(curr_secs == last_secs){ + last_secs = curr_secs; + curr_secs = get_time_now().get_full_secs(); + } + + std::cout << " 3) 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 = _mboard(0)[MBOARD_PROP_TIME_NOW].as(); + time_spec_t time_i = _mboard(m)[MBOARD_PROP_TIME_NOW].as(); + 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::print_warning(str(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())); + } + } + } + + void issue_stream_cmd(const stream_cmd_t &stream_cmd){ + for (size_t m = 0; m < get_num_mboards(); m++){ + _mboard(m)[MBOARD_PROP_STREAM_CMD] = stream_cmd; + } + } + + void set_clock_config(const clock_config_t &clock_config, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _mboard(mboard)[MBOARD_PROP_CLOCK_CONFIG] = clock_config; + return; + } + for (size_t m = 0; m < get_num_mboards(); m++){ + set_clock_config(clock_config, m); + } + } + + size_t get_num_mboards(void){ + return (*_dev)[DEVICE_PROP_MBOARD_NAMES].as().size(); + } + + /******************************************************************* + * RX methods + ******************************************************************/ + void set_rx_subdev_spec(const subdev_spec_t &spec, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _mboard(mboard)[MBOARD_PROP_RX_SUBDEV_SPEC] = 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 _mboard(mboard)[MBOARD_PROP_RX_SUBDEV_SPEC].as(); + } + + size_t get_rx_num_channels(void){ + size_t nchan = get_rx_subdev_spec(0).size(); + for (size_t m = 1; m < get_num_mboards(); m++){ + if (nchan != get_rx_subdev_spec(m).size()){ + throw std::runtime_error("rx subdev spec size inconsistent across all mboards"); + } + } + return nchan; + } + + std::string get_rx_subdev_name(size_t chan){ + return _rx_subdev(chan)[SUBDEV_PROP_NAME].as(); + } + + void set_rx_rate(double rate){ + for (size_t m = 0; m < get_num_mboards(); m++){ + _rx_dsp(m)[DSP_PROP_HOST_RATE] = rate; + } + } + + double get_rx_rate(void){ + return _rx_dsp(0)[DSP_PROP_HOST_RATE].as(); + } + + tune_result_t set_rx_freq(double target_freq, size_t chan){ + size_t nchan = get_rx_num_channels(); + return tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(nchan/chan), nchan%chan, target_freq); + } + + tune_result_t set_rx_freq(double target_freq, double lo_off, size_t chan){ + size_t nchan = get_rx_num_channels(); + return tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(nchan/chan), nchan%chan, target_freq, lo_off); + } + + double get_rx_freq(size_t chan){ + size_t nchan = get_rx_num_channels(); + return derive_freq_from_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(nchan/chan), nchan%chan); + } + + freq_range_t get_rx_freq_range(size_t chan){ + size_t nchan = get_rx_num_channels(); + return add_dsp_shift(_rx_subdev(chan)[SUBDEV_PROP_FREQ_RANGE].as(), _rx_dsp(nchan/chan)); + } + + void set_rx_gain(float gain, size_t chan){ + return _rx_gain_group(chan)->set_value(gain); + } + + float get_rx_gain(size_t chan){ + return _rx_gain_group(chan)->get_value(); + } + + gain_range_t get_rx_gain_range(size_t chan){ + return _rx_gain_group(chan)->get_range(); + } + + void set_rx_antenna(const std::string &ant, size_t chan){ + _rx_subdev(chan)[SUBDEV_PROP_ANTENNA] = ant; + } + + std::string get_rx_antenna(size_t chan){ + return _rx_subdev(chan)[SUBDEV_PROP_ANTENNA].as(); + } + + std::vector get_rx_antennas(size_t chan){ + return _rx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as(); + } + + bool get_rx_lo_locked(size_t chan){ + return _rx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as(); + } + + float read_rssi(size_t chan){ + return _rx_subdev(chan)[SUBDEV_PROP_RSSI].as(); + } + + dboard_iface::sptr get_rx_dboard_iface(size_t chan){ + return _rx_dboard(chan)[DBOARD_PROP_DBOARD_IFACE].as(); + } + + void set_rx_bandwidth(float bandwidth, size_t chan) { + _rx_subdev(chan)[SUBDEV_PROP_BANDWIDTH] = bandwidth; + } + + /******************************************************************* + * TX methods + ******************************************************************/ + void set_tx_subdev_spec(const subdev_spec_t &spec, size_t mboard){ + if (mboard != ALL_MBOARDS){ + _mboard(mboard)[MBOARD_PROP_TX_SUBDEV_SPEC] = 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 _mboard(mboard)[MBOARD_PROP_TX_SUBDEV_SPEC].as(); + } + + std::string get_tx_subdev_name(size_t chan){ + return _tx_subdev(chan)[SUBDEV_PROP_NAME].as(); + } + + size_t get_tx_num_channels(void){ + size_t nchan = get_tx_subdev_spec(0).size(); + for (size_t m = 1; m < get_num_mboards(); m++){ + if (nchan != get_tx_subdev_spec(m).size()){ + throw std::runtime_error("tx subdev spec size inconsistent across all mboards"); + } + } + return nchan; + } + + void set_tx_rate(double rate){ + for (size_t m = 0; m < get_num_mboards(); m++){ + _tx_dsp(m)[DSP_PROP_HOST_RATE] = rate; + } + } + + double get_tx_rate(void){ + return _tx_dsp(0)[DSP_PROP_HOST_RATE].as(); + } + + tune_result_t set_tx_freq(double target_freq, size_t chan){ + size_t nchan = get_tx_num_channels(); + return tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(nchan/chan), nchan%chan, target_freq); + } + + tune_result_t set_tx_freq(double target_freq, double lo_off, size_t chan){ + size_t nchan = get_tx_num_channels(); + return tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(nchan/chan), nchan%chan, target_freq, lo_off); + } + + double get_tx_freq(size_t chan){ + size_t nchan = get_tx_num_channels(); + return derive_freq_from_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(nchan/chan), nchan%chan); + } + + freq_range_t get_tx_freq_range(size_t chan){ + size_t nchan = get_tx_num_channels(); + return add_dsp_shift(_tx_subdev(chan)[SUBDEV_PROP_FREQ_RANGE].as(), _tx_dsp(nchan/chan)); + } + + void set_tx_gain(float gain, size_t chan){ + return _tx_gain_group(chan)->set_value(gain); + } + + float get_tx_gain(size_t chan){ + return _tx_gain_group(chan)->get_value(); + } + + gain_range_t get_tx_gain_range(size_t chan){ + return _tx_gain_group(chan)->get_range(); + } + + void set_tx_antenna(const std::string &ant, size_t chan){ + _tx_subdev(chan)[SUBDEV_PROP_ANTENNA] = ant; + } + + std::string get_tx_antenna(size_t chan){ + return _tx_subdev(chan)[SUBDEV_PROP_ANTENNA].as(); + } + + std::vector get_tx_antennas(size_t chan){ + return _tx_subdev(chan)[SUBDEV_PROP_ANTENNA_NAMES].as(); + } + + bool get_tx_lo_locked(size_t chan){ + return _tx_subdev(chan)[SUBDEV_PROP_LO_LOCKED].as(); + } + + dboard_iface::sptr get_tx_dboard_iface(size_t chan){ + return _tx_dboard(chan)[DBOARD_PROP_DBOARD_IFACE].as(); + } + +private: + device::sptr _dev; + wax::obj _mboard(size_t mboard){ + std::string mb_name = (*_dev)[DEVICE_PROP_MBOARD_NAMES].as().at(mboard); + return (*_dev)[named_prop_t(DEVICE_PROP_MBOARD, mb_name)]; + } + wax::obj _rx_dsp(size_t mboard){ + return _mboard(mboard)[MBOARD_PROP_RX_DSP]; + } + wax::obj _tx_dsp(size_t mboard){ + return _mboard(mboard)[MBOARD_PROP_TX_DSP]; + } + wax::obj _rx_dboard(size_t chan){ + size_t nchan = get_rx_num_channels(); + std::string db_name = get_rx_subdev_spec(chan/nchan).at(chan%nchan).db_name; + return _mboard(chan/nchan)[named_prop_t(MBOARD_PROP_RX_DBOARD, db_name)]; + } + wax::obj _tx_dboard(size_t chan){ + size_t nchan = get_tx_num_channels(); + std::string db_name = get_tx_subdev_spec(chan/nchan).at(chan%nchan).db_name; + return _mboard(chan/nchan)[named_prop_t(MBOARD_PROP_TX_DBOARD, db_name)]; + } + wax::obj _rx_subdev(size_t chan){ + size_t nchan = get_rx_num_channels(); + std::string sd_name = get_rx_subdev_spec(chan/nchan).at(chan%nchan).sd_name; + return _rx_dboard(chan)[named_prop_t(DBOARD_PROP_SUBDEV, sd_name)]; + } + wax::obj _tx_subdev(size_t chan){ + size_t nchan = get_tx_num_channels(); + std::string sd_name = get_tx_subdev_spec(chan/nchan).at(chan%nchan).sd_name; + return _tx_dboard(chan)[named_prop_t(DBOARD_PROP_SUBDEV, sd_name)]; + } + gain_group::sptr _rx_gain_group(size_t chan){ + size_t nchan = get_rx_num_channels(); + std::string sd_name = get_rx_subdev_spec(chan/nchan).at(chan%nchan).sd_name; + return _rx_dboard(chan)[named_prop_t(DBOARD_PROP_GAIN_GROUP, sd_name)].as(); + } + gain_group::sptr _tx_gain_group(size_t chan){ + size_t nchan = get_tx_num_channels(); + std::string sd_name = get_tx_subdev_spec(chan/nchan).at(chan%nchan).sd_name; + return _tx_dboard(chan)[named_prop_t(DBOARD_PROP_GAIN_GROUP, sd_name)].as(); + } +}; + +/*********************************************************************** + * The Make Function + **********************************************************************/ +multi_usrp::sptr multi_usrp::make(const device_addr_t &dev_addr){ + return sptr(new multi_usrp_impl(dev_addr)); +} -- cgit v1.2.3